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  • $45 hourly
    • 5.0/5
    • (40 jobs)
    Hi! I’m here to help you resolve your networking challenges with extensive experience across multiple platforms, including Mikrotik, Cisco, Juniper, and Ubiquiti devices. With over 12 years of professional experience, I’ve managed complex networking environments, optimized infrastructure, and implemented both small- and large-scale network solutions. My Core Skills Include: Routing and Switching: I have deep expertise in the design, configuration, and troubleshooting of a wide range of routing and switching protocols. Whether you’re looking to improve traffic routing or ensure network redundancy, I can implement: • BGP (Border Gateway Protocol) • OSPF (Open Shortest Path First) • RIP (Routing Information Protocol) • PBR (Policy-Based Routing) • Static Routing and VLAN • Failover Solutions Wireless Solutions: I have vast experience in designing and deploying wireless solutions that provide robust, scalable coverage for different environments: • WiFi Hotspot Implementation • WiFi Roaming • Standalone AP and CAPsMAN Monitoring & Network Management: Real-time monitoring, logging, and alerting can prevent downtime and keep your network performing at its best. I work with: • The Dude • SNMP, Netflow • PRTG and SolarWinds • SevOne PM • NetBox VoIP and Server Management: I specialize in deploying and maintaining communication systems (VoIP) and backend infrastructure: • Asterisk and FreeSwitch • Server Management • Dolibarr and OpenERP Virtualization and Cloud: Need to set up virtual machines or integrate cloud services? I have hands-on experience in: • VirtualBox • VMware-ESXI • ProxMox Network Security: I offer full security solutions from basic firewall setups to comprehensive multi-layered security frameworks: • VPNs (IPsec, PPTP, L2TP, OpenVPN, WireGuard) • ACLs (Access Control Lists) • Firewalls (Mikrotik, Cisco ASA, Juniper SRX) • Security Audits Devices and Platforms I Work With: • Mikrotik Routers: Devices such as CCRxxx, RBxxxx, AHxxx, cAP ac, and others. • Mikrotik Switches: Various CRS series, including CRS328-24P-4S+RM, for both core and edge deployments. • Cisco Routers: Including ISR 800, 4500, 1700, 2800, 2900, 3900 series, and ASR 1001-X. • Cisco Firewalls: ASA 5500, 5500-X, and Firepower 2100 for network security. • Cisco Switches: Extensive work with C2950, C2960-X, C3560, C3850, C4500, C6500, and more. • Juniper Routers and Switches: Including MX480, MX960, MX104 routers, and EX2200, EX4200, EX4300 switches. • Ubiquiti: EdgeRouter, UniFi series for efficient, scalable network deployment. • Dell and IBM Servers: Deployment, management, and configuration. Network Design and Optimization: I am proficient in assessing existing network setups and recommending improvements to streamline performance, increase security, and reduce latency. Whether you’re setting up a new data center or scaling up your current infrastructure, I can guide you through choosing the right devices and configurations for optimal results. Additionally, I provide consultation on network best practices, compliance with industry standards, and cost-effective hardware recommendations. NMS, NPM and DCIM Solutions: I can also deploy fully customized solutions for Network Monitoring System(NMS), Network Performance Monitoring (NPM) and Data Center Infrastructure Management (DCIM). I’ve worked extensively with The Dude, SevOne, NetBox and offer solutions that can be integrated into your existing infrastructure under the management platforms. Project Experience: With over 12 years in the field, I’ve successfully deployed over 1,000 Mikrotik devices and managed a variety of network projects involving multi-vendor environments. From small office networks to large-scale Network setups, I’ve managed both deployment and long-term support. I am skilled in troubleshooting, optimizing existing systems, and ensuring the reliability and scalability of networks. How I Can Help You: Whether you need help with routing and switching, setting up firewalls, designing a wireless network, deploying VoIP, or managing servers and virtual environments, I’ve got you covered. I can help you plan and deploy the best network solutions tailored to your unique needs. Plus, I’ll ensure ongoing support, so your network always performs at its best. I look forward to working with you and making sure your network infrastructure is both powerful and reliable! Let’s connect and discuss how I can help you achieve your goals.
    Featured Skill VPN
    Linux
    Juniper
    Cisco Router
    Virtual LAN
    Network Monitoring
    Network Equipment
    Network Design
    Network Planning
    Scripting
    Mikrotik RouterBOARD
    MikroTik RouterOS
    MikroTik
  • $35 hourly
    • 4.9/5
    • (29 jobs)
    I am a highly skilled network troubleshooter with 9+ years of experience in the networking and security field. As a certified CCNA, CCNP (Enterprise & Security), CCSA, NSE4, MTCRE, and MTCNA professional, I specialize in custom project-based solutions that enhance network performance, security, and scalability. I have hands-on experience in Banking, Corporate, Garments networks, Security Projects, and Managed Service Providers (MSPs), delivering high-quality, reliable, and detail-oriented solutions tailored to business needs. Key Skills & Expertise: ✔ Network Troubleshooting & Optimization ✔ Routing Protocols – BGP, OSPF, EIGRP, RIP ✔ Switching Technologies – VLAN, STP, PVST, VTP, LACP, PAgP, Bridge ✔ Security & Firewalls – Cisco FTD, Checkpoint, FortiGate, Sophos ✔ VPN Solutions (Multi-Vendor) – IPsec, GRE, L2TP, PPTP, IPIP, EoIP, PPPoE ✔ Access Control (ACLs) – Cisco Routers & Switches ✔ Wireless & LTE – Channel Bonding, MIMO, WDS, Mesh Networks ✔ QoS & Traffic Optimization – FIFO, RED, SFQ, PCQ ✔ MikroTik Expertise – Load Balancing, Failover, Bandwidth Management, Web Proxy, DHCP, PCC/PBR Routing, Static NAT/PAT, SNMP, Scripting Professional Certifications: 🏆 Fortinet Network Security Expert (NSE4) 🏆 Checkpoint Certified Security Associate (CCSA) 🏆 Cisco Certified Network Professional (CCNP-Security & CCNP-Enterprise) Cisco Certified Specialist - Enterprise Core Cisco Certified Specialist - Enterprise Advanced Infrastructure Implementation 🏆 Cisco Certified Network Associate (CCNA) (Cisco-ID: CSCO13422865) 🏆 MikroTik Certified (MTCNA, MTCRE) I am committed to delivering top-tier network security and performance solutions with a dedication to excellence. Let’s collaborate to take your network infrastructure to the next level!
    Featured Skill VPN
    Cisco ISE
    Mikrotik RouterBOARD
    Cisco Router
    Cisco ASA
    Cisco Firepower Threat Defense
    Cisco IOS
    Palo Alto Firewalls
    PfSense
    Network Administration
    MikroTik
    Cisco Meraki
    FortiGate Firewall
    Sophos Sophos UTM
    MikroTik RouterOS
  • $80 hourly
    • 5.0/5
    • (138 jobs)
    A result-driven IT professional with extensive experiences in multi platforms (Network, Systems & Firewall as well as Email Deliverability Platforms) engineering, administration and support with total working experiences in Singapore (6 years 8 months) and in Bangladesh (5 years 10 months). In-depth expertise in the implementation, analysis, optimization, troubleshooting and documentation of global network, firewall and systems as well as monitoring network platform that capitalizes on expertise in CISCO Routers/Switches, ASA, Checkpoint, Juniper SRX (Firewalls and Routers), Fortigate, Sonicwall, Monowall, IPTABLES firewalls, Linux/Unix (RedHat, Debian, SUSE, BSD, CENTOS, FC, Ubuntu), Windows 2000/2003/2012R2 platform, F5 LTM/GTM devices, Nokia checkpoint (Provider1 and Smart Manager). Dedicated to pursue further challenges in the field of Network & Security as well as System Administration/Engineering wherein my skills and knowledge will be highly developed and utilized. Maintain focus on achieving end-results while demonstrating strategic problem solving skills and ability to follow through multi-tasking job. Scope of Intervention • Installation (Routers, Switches, Servers, Patching, Applications, Firewalls etc) • Troubleshooting (Network, Firewalls, Systems, Apps etc) • Test & Commissioning (Network & Security projects for Routers, switches and firewalls & COLO servers) • Troubleshooting of Email Marketing platforms (Sendgrid, Mailchimp, JangoMail, AWS SES etc. as well as company hosted SMTP servers with Postfix, PowerMta, Exim and any other MTA issues for official Email Platforms or Bulk sending platforms. • Monitoring (Nagios, Opsview, Solarwinds, Cacti, HPNA, ENM, APPSVIEW, • BMC Proactive, Intermapper, HP Netcool, Splunk, eHealth, Sitescope etc.) • Ticketing – (Jira, Maximo, Salesforce etc.) • Documentation and Diagrams – (Sharepoint, Visionael and MS Visio etc) • Global Meetings (For projects and troubleshooting) Industries & Specialties • Telecommunication (VoIP and SMS) • Solutions Provider (Network & Security) • Managed Services Provider (Network, Security, Servers & applications) • Bank Network Infra (Network, Security & Systems)
    Featured Skill VPN
    TCP/IP
    Cisco ASA
    Customer Relationship Management
    Red Hat Enterprise Linux
    Firewall
    Email Deliverability
    Cisco Certified Network Associate
    Google Workspace
    Network Engineering
    Network Monitoring
    Systems Engineering
    SMTP
    Ubuntu
    Windows Server
  • $40 hourly
    • 4.9/5
    • (99 jobs)
    I am a Dynamic, Dedicated, Passionate and Quickly Adaptable Freelancer with Technological innovations. I am a 🏅Upwork-Skill-Certified Freelancer with ✅100% JSS ✅ 70%+ Long-Term Clients ✅ 80%+ Clients Recommendation ✅ 90+ Active and Completed Jobs with Positive Feedback🏅Architect Certified on Sophos, Fortinet Firewalls and Endpoints Managements ✅ Others Certification on Network and Security✅ Strong and long Experiences on Fortinet, Sophos, SonicWall, Palo-Alto, PFSense Infrastructures Deployments, Migration and Managements✅ Any kinds of Wireless and Voice Solution Deployments✅ Network, System Security & Compliance Managements✅ Strong Experience on Routing & Switching🏦 Long-Experience with MSP, Corporate and Solution/Service-Provider Sectors. 🏦 Already worked with 90+ clients from different regions such as Asia, Africa, US, Europe etc. 🎖️Certifications (Completed & Enrolled) • Upwork Skill Certification - Customer Service. • Certified Architect by Sophos and Fortinet. 🏅 Sophos Certifications: • Sophos-Firewall v19.5-Engineer. • Sophos Firewall v19.5-Architect. • Sophos Firewall v19.5 to v20.0 Certified Architect Delta (AU80). • Sophos Firewall v19.5 to v20.0 Certified Engineer Delta (EU80). • Sophos Firewall v20.0 to v21.0 Certified Architect Delta (AU80). • Sophos Central Endpoint and Server v4.0-Engineer. • Central Endpoint and Server v4.0-Architect. • Sophos Central Endpoint v4.0 to v5.0 Architect Delta (AU15). • Sophos Central Engineer Delta v4.0 to v5.0 (EU15). 🏅 Fortinet Certifications: • NSE-7 (Network Security Architect) –NSE-ID:- 0Qjbf0qGSd • NSE-4 (Network Security Professional) – NSE-ID:- GThFxY1viO • NSE-5 (Network Security Analyst) on FortiAnalyzer- NSE-ID: - 8gIRCniwPN. • NSE-1 (Network Security Associate) By Fortinet License Number: OYBF7cetpL. • NSE-2 (Network Security Associate) By Fortinet License Number: FTsFjlmHck. 🏅 Other Certification: • CNSS (Certified Network Security Specialist) By ICSI, UK License Number: 18427811 • Cisco Certified Network Associate (Routing & Switching) Cisco-ID: - CSCO13303817 Here, I would like to share my Working experiences, fields of expertise and much more- ✅ I have 9 years plus hands-on experiences on Network, System, Security administration, Deployment and Migrations on different Infrastructures along with direct involvements/cooperation on different known issues from Deployment stage to end-user’s support. ✅ Fields of Specialization: 1. Because of having 9 years plus exclusive experiences on different Fortinet, Sophos, SonicWall, PFSense, Palo-Alto and other Infrastructures Deployments and Administration I can work with the Complete Design, Deployments, Migrations and Integrations on these Different types of Infrastructures such as- • Fortigate, Forti-APs, Forti-Switches, FortiVoice-Enterprise, Forti-Manager, Forti-EMS,FortiAnalyzer, FortiAuthenticator, FortiNAC, Fortinet Security Fabric Devices, FortiSandbox, FortiToken/Mobile/Service. • Sophos Infrastructures Managements such Firewalls, Endpoints, Switches, APs etc. • SonicWALL Infrastructures Managements such as Firewalls, NSM, Capture-Clients Endpoints etc. • Palo-Alto, Barracuda, PfSense, Cisco-Firepower, Firepower-Thread Defence and FMC and Others Firewalls Managements. • Migration To/From any of these above Infrastructures. 3. Long experiences on the Network and System Administration on these Infrastructures- • Routing & Switching on Cisco, Mikrotik, Juniper, HP, Dell, Aruba etc. • Wireless Implementation on Cisco, Aruba, Ruckus, 4Ipnet, Unifi/Ubiquiti, Forti-AP, Cambium, Altai, TP-Link-Omada, Teltonika etc. • Mail-Server Administration on Office365, G-Suite by Google, Zimbra etc. • Windows Server Managements. • Virtualization & Datacentre Managements on VMware, ESXi, vSphere or VCenter, Hyper-V, Synology-NAS/SAN and Others. • Voice Solution implementation on renowned Voice Solution Providers such as FortiVoice Enterprise, Grandstream, 3cX, Synway, Yeastar-PBX, FreePBX etc. • Endpoint Solution Deployments on TrendMicro, Sophos Endpoint Protection, FortiClient by Forti-EMS (Endpoint Management Server), ESET etc. • Complete Video Conferencing Solution on Dahua, Polycom etc. • Surveillance, Attendance reader solution on Hikvision, Dahua, ZKTecho, Handuri etc. 4. I am a quick and dynamic learner. I can adjust myself with the Technological innovation within a very short amount of time. 5. I am a technical person with a Never Give-Up character. I have multiples valuable feedback with great reviews on Upwork. You can also have a look at that. If you have any further query on me just send "Hi" in Upwork.
    Featured Skill VPN
    SonicWall
    PfSense
    System Administration
    VoIP PBX
    Sophos Sophos UTM
    Security Management
    Wireless LAN Controller
    Palo Alto Firewalls
    Security Infrastructure
    FortiGate Firewall
    Network Administration
    Fortinet
    Firewall
    Network Security
  • $15 hourly
    • 5.0/5
    • (17 jobs)
    I'm a professional Linux System Administrator with over 13 years of hands-on experience in managing, securing, and optimizing Linux-based servers and infrastructure. If you're a startup, entrepreneur, web agency, or enterprise looking for rock-solid server performance, automation, and security, you're in the right place. I work closely with clients to build stable, scalable, and secure Linux environments What I Can Help You With: Linux Server Setup & Management: Debian, Ubuntu, CentOS, AlmaLinux, RHEL etc Installation, Disk partitioning, LVM, RAID, system hardening Performance tuning and troubleshooting Web Server Deployment: Apache2, Nginx, PHP-FPM, SSL/TLS, Let's Encrypt Virtual Hosts, Rewrite Rules, Reverse Proxy configuration Mail Server Configuration: Postfix, Dovecot, Zimbra, Roundcube etc SMTP, IMAP, SPF, DKIM, DMARC setup Email deliverability and spam protection DNS & Control Panels: BIND, PowerDNS, DNS record management Webmin, ISPConfig, CyberPanel, Virtualmin, Vestacp etc setups Cloud & DevOps Integration: Infrastructure automation using Bash and Ansible Server provisioning, patching, user/group management, cron jobs Experience with various cloud platforms Cloud server setup and management VPN & Proxy Services: Squid, 3proxy, WireGuard, OpenVPN, Anyconnect, PPTP, Ipsec IP rotation, IPv4/IPv6 support, authentication Monitoring & Logging: Zabbix, Nagios, Grafana, Cacti ELK Stack: Elasticsearch, Logstash, Kibana Virtualization & Containers: KVM, Proxmox, VMware ESXi Docker containers, Docker Compose, orchestration Database & Backup: MySQL/MariaDB setup, optimization, replication, backup & restore Rsync, Rclone, cloud/offsite backup strategies Custom backup scripting and automation If you’re looking for a trusted Linux expert to support or transform your infrastructure, let’s connect and discuss how I can help!
    Featured Skill VPN
    Scripting
    ELK Stack
    Apache Administration
    Mail Server Implementation
    SSL
    Virtualization
    Nagios Core
    Zabbix
    Squid
    Linux System Administration
    DevOps
    MySQL
    Linux
    DNS
  • $19 hourly
    • 5.0/5
    • (298 jobs)
    I’m a Full-Stack Developer with extensive experience in building fast, scalable, and secure solutions across Android, iOS, Web, Backend, and DevOps. I specialize in SaaS platforms, custom VPN systems, and secure web & mobile applications. Clean code, strong communication, and reliable delivery. Let’s work together. ✅ MOBILE DEVELOPMENT ∎ ANDROID: • Languages: Kotlin, Java • UI Toolkit: Jetpack Compose, XML • API Clients: Retrofit, Ktor, Volley • Concurrency: Kotlin Coroutines, Handler, Thread, Async Tasks • Dependency Injection: Hilt • Storage: Room, SQLite, MySQL • Image Processing: Glide, Coil • Architecture: Clean Architecture + MVVM • Tools: Android Studio, Firebase, JUnit, GraphQL ∎ iOS: • Languages: Swift, Objective-C • UI Toolkit: SwiftUI, Storyboard • API Clients: URLSession, Alamofire • Concurrency: async/await, Task Actors • Dependency Injection: Resolver/Swinject • Storage: CoreData, Realm, SQLite.swift • Image Processing: SDWebImage, Kingfisher • Architecture: MVVM, TCA (The Composable Architecture) • Tools: Xcode, Firebase, XCTest, SwiftLint, Fastlane, Instruments ✅ DESKTOP DEVELOPMENT (WINDOWS & macOS) • Language: C++ • UI Framework: Qt Widgets, Qt Quick (QML) • Build System: CMake, qmake • Networking: QtNetwork (QNetworkAccessManager) • Database: QtSql, LMDB • Architecture: MVC, MVVM • Package Management: Conan, vcpkg • Styling: Custom themes & stylesheets ✅ BACKEND DEVELOPMENT • PHP: Laravel, Lumen, CodeIgniter • Node.js: Express.js • API Features: - Authentication (JWT, Sanctum) - WebSocket for real-time systems - API documentation (L5 Swagger) - Payment & in-app purchase integration • Databases: MySQL, MariaDB, SQLite ✅ FRONTEND DEVELOPMENT • Frameworks: Vue.js, React.js, Angular.js, TypeScript • Styling: Bootstrap, Tailwind CSS, SCSS • CMS: WordPress ✅ VPN & NETWORK SECURITY • VPN Protocols: - WireGuard (IPv4/IPv6, split tunneling) - OpenVPN (FreeRADIUS integration) - OpenConnect (ocserv) - Shadowsocks, Singbox, Tor proxy • Networking: Multi-IP routing, DNS control ✅ DEVOPS & SERVER MANAGEMENT • OS: Ubuntu 22.04, CentOS 7 • Automation: Shell scripting, cron jobs • Firewall: IPTables, NFTables • Database: MySQL automation, replication ✅ SAAS & ENTERPRISE SOLUTIONS • B2B SaaS (white-label, niche verticals) • Cybersecurity & privacy tools • Full-stack web panels & APIs ✅ WHY CHOOSE ME? ✔ Full-cycle development – From concept to deployment ✔ Optimized code – Clean architecture, scalable design ✔ Security-focused – Encryption, secure APIs, compliance ✔ Transparent workflow – Regular updates, agile collaboration ✅ WHAT I DELIVER ✔ Enterprise-grade SaaS platforms ✔ Secure VPN solutions with custom features ✔ Complete systems (Web + Mobile + API) ✔ Optimized architecture for scaling ✔ Reliable maintenance & documentation Let's build something exceptional - contact me to discuss your project.
    Featured Skill VPN
    Cybersecurity Tool
    DevOps
    OpenVPN
    Websockets
    Firebase
    MySQL
    React
    Vue.js
    Node.js
    Laravel
    Swift
    Kotlin
    iOS Development
    Android App Development
  • $50 hourly
    • 5.0/5
    • (120 jobs)
    As a highly skilled and experienced professional with over 08+ years of expertise, I hold notable certifications such as CCNP, CCNA, RHCE, and Certified Ethical Hacker (CEH) . I have established myself as an accomplished network, system, and security engineer, capable of delivering complete solutions for designing, configuring, automating, and managing network and system projects. My proficiency in using simulation software such as Packet Tracer and GNS3, as well as real-life network and system devices, make me a valuable asset for any project. My few hands-on experiences is: ⭐Network Design by MS Visio, Cisco packet tracer, GNS3, and EVE-NG ⭐Netacad CCNA and CCNP packet tracer Labs activities, projects design and solution ⭐ Expert in configuring, managing, and troubleshooting Cisco routers, switches, FTD, FMC, and ASA firewalls. ⭐ Expert in configuring, managing, and troubleshooting Fortigate, Sophos, Check Point, SonicWall, Palo Alto, pfSense, OPNsense & Huawei firewalls, ⭐Netgear, Huawei, Aruba switch, DrayTek router, TP-Link and others vendor wireless router configurations. ✅Cisco, Tp-Link, Aruba, Fortinet, Ubiquiti, Planet, Huwei switch configurations. ⭐Proficient in configuring, managing, and troubleshooting Unifi Enterprise Fortress Gateway, UDM Pro, Unifi Cloudkey, USG UniFi Firewall , Security Gateway, Switch, and AP devices. ⭐Expert in Linux administration, with expertise in Ubuntu, Red Hat, openSuse, CentOS, Debian, and Kali Linux distributions. ⭐Expert in Windows server administration , Active Directory management, Exchange Server administration, DNS configuration, DHCP implementation, and Windows operating system support. ⭐Experienced in managing and configuring virtualization platforms including HYPER-V, VMware ESXi, VMware Workstation, KVM, VirtualBox, and Proxmox. ⭐Servers: HP Proliant Servers, Dell/EMC Servers, IBM ⭐MikroTik Routers configuration ✅ Cloud Administrator: Azure, AMAZON AWS , Google GCP, OVH and Digital Ocean ⭐VLSM/subnetting of small to large enterprises ⭐VLANs, Inter-VLAN routing, VTP, CDP, Ether-Channel(LACP, PAGP), Spanning Tree (STP, PVST++, MSTP), and FHRP Protocols ⭐IPV4 & IPV6 IP planning, DHCP, NAT/PAT configuration and IP helper address ⭐static and Dynamic Routing protocols (RIP, OSPF, EIGRP, BGP) configuration ⭐Layer-3 Redudent/backup links Using HSRP, VRRP ⭐Port security, ACL( access list) configuration ⭐Network troubleshooting and optimization ⭐VPN Configuration Expert (GRE , SSL, IPSEC, PPTP, OPENVPN , wireguard & DMVPN) ⭐Advanced Excel skills, including macro, VBA, VLOOKUP, and other automation techniques ⭐Network automation script for any cisco and fortigate devices using python ⭐ Skilled in automation using Bash/Shell scripting ✅Overlay Networks VPN Expertise: Proficient in configuring and managing various overlay network VPNs, including ZeroTier, Tailscale, WireGuard, SoftEther VPN, Netbird , Netmaker, OpenVPN Cloud, I, Twingate and PeerVPN for secure, scalable, and decentralized networking, enabling seamless remote access, team collaboration, and encrypted communications across distributed systems. ✅Beryl AX and Flint Router Configuration Expert ( Mini Router, Travel Router, Home Wi-Fi, cellular Router) like GL-MT6000, GL-AXT1800, GL-MT3000, GL-A1300 etc ✅Cisco Duo: MFA, 2FA, SSO, Identity Security Integration, Windows Logon, RDP, Microsoft AD, VPN Authentication.
    Featured Skill VPN
    Fortinet
    Cisco
    Ubiquiti
    PfSense
    Cisco Certified Network Associate
    Linux System Administration
    FortiGate Firewall
    System Administration
    Windows Server
    Linux
    Cisco Certified Network Professional
    Network Administration
    Network Security
    Firewall
  • $30 hourly
    • 3.0/5
    • (3 jobs)
    I have over 8 years of progressive experience in networking protocols and cloud computing. If you don't want to waste time searching for skilled people, I can save you ten times the time. It's not just a promise; it's an experience. 📢 Free 1-on-1 Consultancy Session Professional Certifications: ⦿ Certified SOC Analyst (CSA) ⦿ CCNP Security (Cisco Certified Network Professional) ⦿ CCNA (Cisco Certified Network Associate) ⦿ HCIA-Datacom (Huawei Certified ICT Associate-Datacom) 2x ⦿ Luna HSM Professional Engineer (Thales) Expertise's: ⦿ SOC Analyst label 2 and 3 ⦿ Network Design & Deployment: Expert in LAN, WLAN, and WAN design and implementation. ⦿ Hardware & Software Setup: Skilled in installing and configuring servers, routers, and network devices. ⦿ Troubleshooting: Resolve cloud and local infrastructure issues escalated by support tiers. ⦿ Performance Monitoring: Proficient in tracking and maintaining network integrity. ⦿ Automation & Optimization: Streamline tasks and monitor their effectiveness. ⦿ Security Management: Implement access control and disaster recovery protocols. ⦿ Documentation: Maintain comprehensive technical records. ⦿ Continuous Improvement: Suggest and implement network performance enhancements. Network Devices: ⦿ Switch ⦿ Router ⦿ Firewall ⦿ Load Balancer and WAF ⦿ Server (VMs Network) ⦿ SAN Solution Storage: ⦿ NetApp, SAN Solution Vendors: ⦿ Cisco ⦿ Juniper ⦿ FortiNET ⦿ Sophos ⦿ Huawei ⦿ Dell ⦿ Radware ⦿ F5 ⦿ A10 ⦿ SonicWall ⦿ MikroTik ⦿ D-Link ⦿ SolarWinds ⦿ BMC Software ⦿ VMware ⦿ NetApp ⦿ Brocade ⦿ Cyber Stellar ⦿ Pentera ⦿ EC Council ⦿ Splunk ⦿ CrowdStrike LAB: ⦿ EVE-NG, GNS3, VMware Workstation, VirtualBox, Cisco Packet Tracer, ENSP. As an experienced network security and systems professional, I'm offering a free 1-on-1 consultancy session to discuss your specific needs and challenges. During this session, we can explore topics such as: ⦿ Network security assessments and recommendations ⦿ System setup and optimization ⦿ Troubleshooting network and system issues ⦿ Latest trends and best practices in security tools What You'll Gain: ⦿ Personalized advice tailored to your business needs ⦿ Clear guidance on addressing your security challenges ⦿ Insights into the latest security trends and technologies How It Works: ⦿ Duration: Our session will last for 60 minutes. ⦿ Scheduling: Contact me directly to schedule your free consulting session. ⦿ Follow-Up: After our session, I'll follow up with any additional information you may need and discuss potential next steps. Why Choose Me: ⦿ Proven track record in network security and systems work ⦿ Positive reviews from satisfied clients (check my profile for testimonials) ⦿ Professional, reliable, and dedicated to delivering top-notch service Let's work together to secure your systems and protect your network! Get in touch to schedule your free consulting session today.
    Featured Skill VPN
    Data Center
    System Deployment
    Antivirus & Security Software
    Incident Management
    Information Security Threat Mitigation
    Vulnerability Assessment
    SOC 3
    Web Application Firewall
    Network Administration
    Network Planning
    Network Security
    Network Design
    Network Monitoring
    Firewall
  • $50 hourly
    • 4.9/5
    • (91 jobs)
    I have over 12+ years of practical working experience in VPN (Openvpn, IPSec, PPTP, IPSec/L2TP), Networking (Cisco Nexus, ISE, Juniper, Mikrotik, Ubiquiti) firewall (Sonicwall, Watchguard,Fortigate, Sophos, checkpoint, ASA, Palo Alto), Cloud system (AWS, Digital Ocean, Azure), WAF (F5), Cisco ISE, Mail server (SPF,DKIM,DMARC records) and troubleshooting. Apart of that have working experience on Azure sentinel, 365 Defender, Defender for Cloud, Nessus Also I am holding the following vendor certification 1. Cisco Certified Network Associate 2. Red Hat Certificate of Expertise in Server Hardening 3. Red Hat Certificate of Expertise in Server Hardening 4. Red Hat Certified Virtualization Administrator - (RHCVA) 5. Red Hat Certified Engineer (RHCE) 6. Red Hat Certified System Administrator (RHCSA) 7. Red Hat Certified System Administrator in Openstack 8. ISC2 - Certified in Cybersecurity Certification 9. AWS Certified Solutions Architect - Associate I am interested to work on any project related to VPN, Network and cloud Security, Cisco, VoIP, Asterisk, FreePBX, Elastix, IP Networking, Firewall, Linux system administration, and network/server troubleshooting.
    Featured Skill VPN
    Amazon Web Services
    FortiGate Firewall
    Asterisk
    Information Security
    F5, Inc.
    Palo Alto Firewalls
    Cisco ACI
    OpenVPN
    Network Security
    Firewall
    Cisco ISE
    Web Proxy
    Cisco ASA
  • $50 hourly
    • 4.9/5
    • (53 jobs)
    I’m S M Nazmul Hasan, CEO of Kolpolok Limited, trusted by telecoms, SaaS providers, and entrepreneurs in 65+ countries. Over the past decade, I’ve delivered VPN solutions that power millions of daily connections. From first MVPs to enterprise-grade infrastructures, I build scalable, reliable VPN platforms that drive real business growth. 💡𝗦𝗼𝗹𝘂𝘁𝗶𝗼𝗻𝘀 𝗜 𝗗𝗲𝗹𝗶𝘃𝗲𝗿 𝗳𝗼𝗿 𝗬𝗼𝘂 ➡️ End-to-End VPN App Development: ✔ Cross-platform VPN apps for iOS, Android, Windows, macOS, Fire TV, and browsers ✔ Fully white-label solutions with 𝗰𝗼𝗺𝗽𝗹𝗲𝘁𝗲 𝘀𝗼𝘂𝗿𝗰𝗲-𝗰𝗼𝗱𝗲 𝗼𝘄𝗻𝗲𝗿𝘀𝗵𝗶𝗽 ✔ Seamless in-app purchases, user authentication, and multi-language support ✔ Intuitive UI/UX design focused on conversion and retention ➡️ White-Label VPN SDK Integration: ✔ Integration with PureVPN White Label SDK and other leading providers ✔ Ready-to-launch SDKs customized to your brand and user requirements ✔ Full technical support for integration, testing, and deployment ✔ Fast time-to-market without compromising security ➡️ Multi-Protocol Backend Infrastructure: ✔ Support for OpenVPN, WireGuard, IKEv2, Shadowsocks, VMess, VLESS, IPsec, OpenConnect ✔ Scalable VPN admin panel dashboards with user management, analytics, and monetization features ✔ Real-world traffic optimization, load balancing, and redundancy configurations ✔ Compliance-ready architecture aligned with GDPR, SOC2, and ISO standards 💡𝗪𝗵𝘆 𝗖𝗹𝗶𝗲𝗻𝘁𝘀 𝗖𝗵𝗼𝗼𝘀𝗲 𝗠𝗲 I don’t just build apps, I build VPN ecosystems tailored to your business model. ✔ Total Code Ownership – You own the complete source code from day one ✔ Business-First UX – Apps designed for real users, not just developer functionality ✔ Security & Compliance – ISO-certified workflows, audit-friendly design, and robust encryption standards ✔ Scalable Architecture – Built to grow with your user base, handling thousands of concurrent connections ✔ Fast Delivery – Fast responses, milestone clarity, and transparent progress updates ✔ 𝗧𝗼𝗽-𝗥𝗮𝘁𝗲𝗱 𝗣𝗹𝘂𝘀 𝗨𝗽𝘄𝗼𝗿𝗸 𝗖𝗼𝗻𝘁𝗿𝗮𝗰𝘁𝗼𝗿 ✔ 𝟭𝟬𝟬%+ 𝗝𝗼𝗯 𝗦𝘂𝗰𝗰𝗲𝘀𝘀 𝗥𝗮𝘁𝗶𝗻𝗴 ✔ 𝟵𝟬% 𝗔𝗯𝗼𝘃𝗲 𝗥𝗲-𝗵𝗶𝗿𝗲 𝗥𝗮𝘁𝗲 📝𝗣𝗿𝗼𝘃𝗲𝗻 𝗧𝗿𝗮𝗰𝗸 𝗥𝗲𝗰𝗼𝗿𝗱 Delivered 150+ projects in 65+ countries across 5 continents ✔ Trusted by global telecom operators, fintech platforms, and SaaS startups ✔ Developed VPN apps with 1M+ downloads and 4.9+ star average ratings across Google Play, App Store, and Trustpilot ✔ Supported long-term client growth with performance-focused infrastructure enhancements 👤𝗪𝗵𝗼 𝗜 𝗦𝘂𝗽𝗽𝗼𝗿𝘁 & 𝗪𝗼𝗿𝗸 𝗪𝗶𝘁𝗵 Startups, telecom's, and tech firms launching their first VPN product to enter this booming market ✔ SaaS teams and telcos scaling existing VPN infrastructure for reliability and speed ✔ Entrepreneurs and VPN resellers seeking high-performance white-label apps with fast deployment ✔ Agencies and consultancies adding VPN to their service portfolio for recurring revenue streams 💡𝗥𝗲𝗰𝗲𝗻𝘁 𝗙𝗼𝗰𝘂𝘀 𝗔𝗿𝗲𝗮𝘀 ✔ Open Connect, WireGuard, OpenVPN optimization for faster connections and lower battery usage ✔ Advanced obfuscation techniques to bypass censorship firewalls ✔ Payment gateway integrations for subscription-based VPN monetization ✔ VPN reseller admin panels with automated user and license management ✔ Multi-protocol hybrid backend design for global coverage and redundancy 𝗟𝗲𝘁’𝘀 𝗕𝘂𝗶𝗹𝗱 𝗬𝗼𝘂𝗿 𝗩𝗣𝗡 𝗕𝘂𝘀𝗶𝗻𝗲𝘀𝘀 You’re not just hiring a VPN developer. You’re partnering with an expert who understands the technical, business, and security dimensions of building VPN products that scale. If you’re ready to deploy a secure, scalable, and revenue-generating VPN solution under your brand, send me a message. I’ll respond within 24 hours with a tailored roadmap to bring your VPN vision to life – fast, reliable, and built to grow with you. Let’s connect to launch your branded VPN and lead your market today!
    Featured Skill VPN
    Laravel
    Android
    Android App Development
    SQL
    Vue.js
    PHP
    iOS Development
    Objective-C
  • $40 hourly
    • 5.0/5
    • (10 jobs)
    I'm Sirajum Munir, an experienced DevOps engineer dedicated to streamlining development and operations processes for clients. With 7+ years in the field, I specialize in: 🛠️ DevOps Practices: Implementing CI/CD with Jenkins, Gitlab. 🌐 Cloud Infrastructure: AWS, & Google Cloud. 🐳 Containerization & Orchestration: Docker and Kubernetes. 🔐 Security: Robust measures and compliance. 📈 Monitoring & Logging: Real-time insights and analytics. Prometheus, Grafana, ElasticSearch, Kibana, Logtash. 🤖 Automation: Ansible, Terraform, Python & Shell scripting. 📦 Version Control: Git workflows for traceability. 🤝 Let's enhance your DevOps efficiency. Message me to discuss your project. Feel free to discuss your project further with me. Thank you. Best regards.
    Featured Skill VPN
    Django
    OpenVPN
    Email Deliverability
    DevOps
    SMTP
    cPanel
    Linux System Administration
    CentOS
    Amazon Web Services
    Ubuntu
    DevOps Engineering
    Docker
    Python
    Linux
  • $20 hourly
    • 5.0/5
    • (21 jobs)
    Hi, I am Mithun Mallik. I am a Systems Engineer. My area of experience in Computer Networking & System Administration. My total working experience are is more than 10 years. Last 2 years I am working in a Network and System Solution provider company. In previous I was in ISP. My working area is bellowed. # Router (Cisco:- ISR, ASR | Mikrotik :- 1072, 1036, 1100, etc.. ) # Switch (Cisco:- Nexus- 2k to 9k | Catalyst Switch :- 9500 to 9200, 6504, 4500, 3850, 3650, 2960 |Small business ) # Firewall (Paloalto :- 5410, 1410 | Cisco :- FTD, ASA, | Sophos |Pfsense |MX-100 ) # Routing ( BGP :- iBGP, eBGP | OSPF | RIP | EIGRP ) # Backbone Solution using MPLS # Other ( PBR | IPSLA | ACL | HA | VPC | VRRP | HSRP | IPSec | IPIP | PPTP | L2TP | EoIP | GRE | Port Channel | NAT | PAT Etc...) # WiFi (Cisco WLC and AP |Meraki MR36, MR52) # LAB practice Software (Packet Tracer | GNS3 | EVE-NG| PNETLab) ======= # Linux ( Redhat |Centos |Debian |Ubuntu ) # Linux Application ( DNS:- Primary, Secondary | Mail :- Zimbra, Postfix | Web : - Apache, WHM, cPanel, nginx, Word Press | FTP | Tacacs+ | Free Radious | Samba etc...) # SSL certificate install using payed SSL or Free SSL # Monitoring Tools (Grafana with Prometheus | Nagios | Observium | SolarWinds | Zabbix | Cacti | LibreNMS) # Virtualization (vSphere 8 | vCenter 8 | Esxi- 6.7 to 5.5 |vCenter-6.7 | Vmware Workstation | Virtual Box) ======= Network Automation using Python ======= WAZUH Nessus NMAP Greenbone OpenVAS
    Featured Skill VPN
    Network Monitoring
    MikroTik RouterOS
    Linux System Administration
    Red Hat Enterprise Linux
    Network Security
    Network Engineering
    Kubernetes
    Cisco Router
    Sophos Sophos UTM
    Cisco Meraki
    Cisco IOS
    VMWare
    System Administration
    Python
  • $13 hourly
    • 5.0/5
    • (9 jobs)
    I am working full time on VPN. I can create customize Android VPN app and VPN admin panel. I can setup any kind of VPN server for you with any protocol. I am Software Engineer and Android app developer I Expert in Android app Development besides this I can also do Web designing, SEO etc. I am expert in C++,C#,JAVA, Android and Web. My First and Last Passion is Coding. Programming is my hobby.
    Featured Skill VPN
    Marketing
    Social Media Account Integration
    OpenVPN
    Digital Marketing
    Web Hosting
    Virtual Private Server
    Android App Development
    Web Application
    Web Design
  • $20 hourly
    • 5.0/5
    • (6 jobs)
    Hi, I can help you to resolve your tasks on Mikrotik, Ubiquiti, Cisco, Juniper, and Edge Router devices: I am working from ISP (internet service provider). multiple APs and Device configuration and troubleshooting. Ubiquiti products switch and access points using controller advanced configuration. Specialized in router&switches, wireless, security, access control, servers, etc: BGP, OSPF, RIP, PPPoE, VPN/tunnel (IPSec, EoIP, PPTP, SSTP, L2TP, OVPN, IPIP), MPLS (VRF & VPLS, TE), Network Design/Architecture for Service Provider/Enterprise, Load Balancing with smooth Failover and bonding (up to 10 Uplinks) High availability, Advanced Scripting, Reachability check, Bandwidth Management, Wireless Security, Bridging, STP, WDS, Mesh CAPsMAN. Dude system management, etc. Hotspot server setup, voucher. Hotspot A to Z support and troubleshoot. # Firewall Fortinet & Palo alto Basic configuration • Configure radio devices and maintain them like NanoStation, Powerbeam, NanoBeam, Rocket, ePMP, etc. I look at both the steam sector (UPlink and routing ) and the Client sector. I have a team for the Client sector. -Routing and switching: iBGP, eBGP, OSPF, Static routing, Multicast, VLANs, STP, Failover. -VPN: Remote Access VPN, Site-to-Site VPN, SSL VPN, IPsec VPN, MPLS VPN -Security: VPN, ACL, -Wireless: Hotspot, Wi-Fi Roaming, Standalone AP, -Server (ERP, CRM,) -VM (VirtualBox, VM Ware). I will also help you network to configure and troubleshoot for your I have learned all this by working ISP (internet service provider) in the system integrator for 4+ Years,
    Featured Skill VPN
    End User Technical Support
    Technical Support
    UniFi
    Social Networking Service
    Multiprotocol BGP
    Remote IT Management
    IT Support
    Computer Network
    Cisco
    OSPF
    Office 365
    Microsoft Azure
    Windows Server
    Mikrotik RouterBOARD
  • $30 hourly
    • 5.0/5
    • (1 job)
    Hello, I'm Tamim. I go by Lokman on Upwork. I love building mobile apps and contributing to open-source projects. Also, I love cats! 🐱
    Featured Skill VPN
    Android NDK
    SwiftUI
    Swift
    Apple Xcode
    iOS
    CI/CD
    GitHub
    Kotlin
    Java
    Golang
    Android App Development
  • $20 hourly
    • 5.0/5
    • (7 jobs)
    Network and systems specialist with more than 9+ years of experience in designing, configuring, troubleshooting, and documenting various IT scenarios for ISPs, enterprises, startups and campus networks. Currently working at an expert level with a variety of network technologies (Cisco, Juniper, Fortinet, Huawei, bgp, isis, ospf, mpls,L2/L3 vpn, ipsec vpn, routing-switching, Multicast, Security, AAA/RADIUS, Network Monitoring windows, linux etc.). Dedicated, flexible and committed to accomplishing any given task/goal without supervision; Keen to learn new skills and adapt to changes. I'm seeking opportunities to audit, build, reconfigure or maintain network or server infrastructure of any company. Vendor Certification: # Red Hat Certified Engineer (RHCE) # Red Hat Certified System Administrator (RHCSA) # Cisco Certified Network Associate (CCNA)
    Featured Skill VPN
    UniFi
    OpenVPN
    FortiGate Firewall
    Cacti
    Cisco
    MikroTik RouterOS
    Multiprotocol BGP
    Autodesk AutoCAD
    Virtual Assistance
    System Administration
    Network Administration
    Network Engineering
    Nagios Core
    Juniper
  • $100 hourly
    • 5.0/5
    • (1 job)
    I am a network security engineer with real-life professional experience. I have work experience with complex networking architecture.
    Featured Skill VPN
    Network Planning
    Network Administration
    Vulnerability Assessment
    Palo Alto Firewalls
    FortiGate Firewall
    Network Design
    Network Security
    Penetration Testing
  • $15 hourly
    • 5.0/5
    • (2 jobs)
    My professional 8year plus experience as a Senior Officer IT (System and Network) at A Plus Group and I have demonstrated proficiency in router management, ISP setup, hardware/software troubleshooting, and network design. I am adept at configuring and managing MikroTik, Cisco, Windows Server and routers, switches, and Mail servers, while also providing comprehensive technical support to ensure seamless operations. I hold certifications in MTCNA (Mikrotik Certified Network Associate), MTCRE (Mikrotik Certified Routing Engineer), CCNA (Cisco Certified Network Associate), and RHCSA (Red Hat Certified System Administration), which validate my expertise in network administration, routing protocols, and system configuration. Additionally, my training in Professional Data Entry and CBC Validation Workshop reflects my commitment to continuous learning and professional development. My technical proficiency is complemented by strong interpersonal skills, effective communication, and a collaborative work ethic. I am adept at working in cross-functional teams, liaising with stakeholders, and delivering high-quality solutions that meet organizational objectives. I am particularly drawn to the challenging opportunities within your organization and am excited about the prospect of contributing to your IT initiatives. Enclosed is my Profile, which provides further details about my qualifications and experiences. Thank you for considering my application. I am enthusiastic about the possibility of joining your team and am available for an interview at your earliest convenience to discuss how I can contribute to the success of your organization.
    Featured Skill VPN
    Mail Server Implementation
    Zimbra Administration
    Microsoft Azure Administration
    Virtualization
    Firewall
    Email Deliverability
    Network Administration
    Microsoft Active Directory
    Technical Support
    Windows Server
    Cisco
    MikroTik RouterOS
    VMware Administration
    System Administration
  • $50 hourly
    • 0.0/5
    • (0 jobs)
    Providing Solutions by Transforming your Ideas. An Experienced and Robust Software Development Service Provider. Serve 100+ company around the world.
    Featured Skill VPN
    App Development
  • $8 hourly
    • 5.0/5
    • (4 jobs)
    Thank you for checking out my Profile, here is a quick overview of my skills and strength. I am well Organized, efficient, and self motivated . The key of my success has been to learn quicklly and to then reach for a higher professional and professional standard by seeking additional responsibillities . I have Worked in the Retail industry for over 6 years as a Information Techonology and Management Information Systems for companies Such as Giant Group, US-Bangla Group. I have also done customer support and customer service management on fiverr & Upwork for over 1 years. Here’s the value I am going to provide you if you work with me: * I take complete responsibility for what I do. * Quality Work * Reliability (You can trust me with anything) *️ Fast Response Time *️ 24/7 availability (I have a great team) *️ Excellent written and verbal English skills I have extensive experience in: • Desktop Application Automation, Browser Automation, Mobile Application Automation • Data-driven Selenium tests • Regular expressions to retrieve the needed data from web pages. Ultimately, I develop also these other skills I have: • Chat Support • Administrative Assistant • Email Management • Internet Research • Data Entry • Social Media Management • Social Media Marketing • Search Engine Optimization • Graphic Design • Content Writing • Lead Generation Tools and Software I am good with: • Email and Communication: MS Outlook / Gmail / Yahoo Mail/ Zoom/ Skype / WhatsApp • Calendar and Schedule Management Applications: Google Calendar • Social Media Management: Hootsuite / Facebook / Twitter / Instagram/ Pinterest / LinkedIn / Youtube / Google+ • Documentation Tools: MS Office / Google Docs / • Presentation Tools: MS Power Point / Google Slides • File Sharing/Storage: DropBox / Google Drive • Design: Canva / Pinterest I know that growing a business is not easy, but let me be the solution to your problems and fill up the hole in our business, so we can create milestones together. The idea is simple – that is, to unload you from your day-to-day tasks of doing your business, so that you can focus on the more important things: like making PROFIT, time for creative thinking and achieving that elusive work-life balance. I'm happy to give my best for the success of your business. Please feel free to contact me. It's an honor to serve you. Blessings, Tanvir
    Featured Skill VPN
    Data Mining
    Data Analysis
    Article Writing
    LinkedIn Profile Creation
    Email Marketing
    Multi Router Traffic Grapher
    Virtual Assistance
    Legal Translation
    Online Research
    Data Entry
    Microsoft Excel
    Social Media Account Setup
  • $20 hourly
    • 4.3/5
    • (26 jobs)
    Hi, Greetings. I am a Computer Science (IT) Engineer with an expertise in the following topics for over 3 years and I will provide my services in these fields: - Computer Science Fields - Network Administration & Security - E-Commerce Site (like Shopify) development, SEO optimization and SALES Funnel Integration a) Theme Customization b) Home Page/Landing Page design c) Sales App Integration with less monthly cost d) Custom Liquid Installation e) Bundle Apps, Sticky ATC, Cart Customization f) Collections Page Customization g) Tier Based, BOGO Offer and other Discount Policy Settings h) Shipping Fee setup and product cost determination for more profits, and lot more. i) Adding SEO Schemas, ALT text, breadcrumbs, etc for max seo - Active Directory, Windows Server 2016/19 - Desktop & IT Support - AI, ML and Data Science - Docker, CI/CD Pipeline. - Programming: Python, C/C++, Java, Javascript, HTML5/CSS, ASP.NET, PHP, Swift - VM installation with VMware & Virtualbox - Windows Administration - Design with MS Visio - Linux Administration & Bash Scripting - VoIP and Enterprise Wireless Network - Virtualization and VPN Configuration - Computer science-related projects. - Accessibility testing - Windows Troubleshooting - Web Development - Image Editing & PDF Transformation - Web Scraping - Email Validation & Verification - Content Writing, Internet Research - Lead Generation/Extraction, Virtual Assistance - Proofreading, etc. Cisco Networking (CCNA & CCNP) topics that I have 3+ years of practical expertise and will solve your networking problems and projects: - Router and Switch Configuration - VLSM and Subnetting - AAA Authentication using RADIUS & TACACS Server - ASA Firewall (5500), Ansible Automation - SDN Network and RESTful API - JSON, YAML, XML Scripting - CDP, LLDP, Syslog Configuration - VLAN and Inter-VLAN Routing Configuration - STP, RSTP, MST, FHRP Configuration - Ether-Channel Configuration - PortFast, BPDU Guard, Loop Guard, Root Guard - NetFlow, SPAN, VRF, MPLS - Load Balancing - GRE & IPSEC VPN Configuration - DHCP and IP Route Configuration - OSPFv2, OSPFv3, BGP, EIGRP Protocol Configuration - ACL and NAT Configuration - Switch Port Security Configuration - Device Security Configuration - WAN Technology and Virtualization - Packet Simulation and so on..... Just send me a message!!! I am a quick responder, and your job will be done before the deadline!
    Featured Skill VPN
    Desktop Support
    Virtual Assistance
    Windows 10 Administration
    Bash Programming
    Linux System Administration
    Quality of Service
    Network Design
    Wireless Network Implementation
    Cisco IOS
    Python
    Network Administration
    Network Security
    Virtual LAN
    Virtual Machine
  • $25 hourly
    • 0.0/5
    • (0 jobs)
    Are you looking for a seasoned VPN app developer who can bring your ideas to life with precision and expertise? With over 5 years of experience and a proven track record of developing 20+ VPN applications, I specialize in creating secure, high-performance VPN solutions tailored to meet your unique requirements. My Expertise Includes: Protocols: Extensive experience with OpenVPN, Shadowsocks, IKEv2, V2Ray, WireGuard, and more. Platforms: Proficient in developing VPN apps for iOS, Android, Windows, macOS, and cross-platform solutions. Custom Features: Implementing advanced functionalities like split tunneling, kill switches, DNS leak prevention, multi-hop connections, and user-friendly dashboards. Security: Expertise in encryption, authentication, and safeguarding user data to ensure the highest level of privacy and protection. Scalability: Building apps capable of handling large user bases while maintaining optimal performance and uptime. Why Work with Me? End-to-End Solutions: I handle the entire development process, from designing and coding to testing and deployment. Attention to Detail: Every app I build is optimized for speed, security, and a seamless user experience. Problem-Solver: Whether you need a feature-rich app from scratch or want to enhance an existing VPN, I bring innovative solutions to complex challenges. Timely Delivery: I pride myself on delivering quality work within agreed timelines, ensuring your project stays on track. Let’s work together to create a VPN app that stands out in today’s competitive market. Whether you're a startup, business owner, or individual, I’m here to turn your vision into reality. Ready to Get Started? Message me today, and let’s discuss how I can help make your VPN app a success!
    Featured Skill VPN
    Mobile App
    Web Development
    Android App Development
    iOS Development
    Artificial Intelligence
    App Development
    Web Application
    OpenVPN
  • $50 hourly
    • 0.0/5
    • (0 jobs)
    Over the past 12+ years of my professional life, I have worked in the Internet Service provider (ISP) and Telecom sectors. Hands-on experience in configuration and operational knowledge of router and switching products with major vendors i.e. Cisco, Mikrotik, Firewall, Juniper, F5, APIC, etc. Extensive understating of IP network protocols includes TCP/IP, Routing protocols OSPF & BGP, MPLS, Traffic Engineering, L2VPN, L3VPN, routing policies, Qos … etc.
    Featured Skill VPN
    Huawei AR
    Firewall
    F5, Inc.
    Cisco Router
    Cisco ACI
    Computing & Networking
    MikroTik
    Juniper
    Network Engineering
  • $70 hourly
    • 0.0/5
    • (0 jobs)
    SUMMARY Manager, Data Network with diversified experience over 13 years in running mission critical networks. Seeking for the job in networking field where I can use my skills for the development of organization. PROJECTS Centrally BW MANAGE 08/2023 - 10/2023 Dhaka, Bangladesh Centrally BW manage for a ISP by using MikroTik Router.Customer BW can manage centrally.
    Featured Skill VPN
    Zabbix
    Cacti
    Mikrotik RouterBOARD
    MikroTik RouterOS
    MikroTik
    Huawei AR
    Cisco Router
    Cisco
    Cisco IOS
    Cisco Certified Network Associate
    Juniper
    OSPF
    Multiprotocol BGP
    Routing
  • $20 hourly
    • 0.0/5
    • (0 jobs)
    Hi, I'm Niloy Saha — an experienced Server & System Infrastructure Specialist, Cloud Operations Engineer, and DevOps Enthusiast from Bangladesh. With over 5 years of professional experience in IT infrastructure, server management, cloud deployments, and DevOps practices, I help businesses achieve reliability, scalability, and security in their technology operations. My passion lies in building modern, automated, and efficient IT environments — whether it's on AWS Cloud, in on-premises data centers, or through hybrid infrastructure models. I enjoy solving complex technical challenges and delivering solutions that empower businesses to grow faster and operate smarter. 🔹 Core Areas of Expertise: Cloud Operations (AWS): EC2, VPC, IAM, NACLs, Security Groups, ALB, Route 53, S3, CloudFront, CloudWatch, RDS, Lambda, API Gateway, Serverless Computing. DevOps Engineering: Jenkins CI/CD, GitHub, Terraform (IaC), Ansible Automation, SonarQube Code Analysis, Maven Build Management. Server & Systems Management: Ubuntu, CentOS, Windows Server, Docker Containerization, Kubernetes Orchestration, Nginx & Apache Configuration, Shell Scripting. Monitoring and Alerting: Grafana, Prometheus, Zabbix, SolarWinds, Nagios — complete infrastructure and application monitoring for performance optimization. Database Administration: MySQL, MongoDB — deployment, replication, performance tuning, and backup management. Network Management & Security: Remote Site Connectivity (VPN, GRE Tunnel), Firewall & ACL Configuration, Cisco Switching & Routing, Private Cloud Hosting (DC, NDC, DR). 🔹 Certifications & Specialized Training: Red Hat Certified System Administrator (RHCSA) Cisco Certified Network Associate (CCNA) DevOps Bootcamp - Your Mentors (Bangladesh) Mastering DevOps - Mithun Technologies (India) 🔹 Major Project Highlights: Private Cloud Infrastructure Deployment for Walton Digi-Tech Industries Ltd., including Data Center design, local hosting, NOC operation readiness, and monitoring solutions. Scalable AWS WordPress Hosting with full optimization for high-traffic websites, using ALB, CloudFront, and Route 53. AWS Serverless Web App Hosting using Lambda, API Gateway, DynamoDB, S3 — resulting in cost-effective, highly scalable serverless architecture. 🔹 Professional Qualities That Set Me Apart: ✅ Strong problem-solving and troubleshooting skills ✅ Deep understanding of cloud-native technologies and DevOps culture ✅ Excellent teamwork, leadership, and communication skills ✅ Always focused on automation, scalability, and cost-efficiency ✅ Client-focused with a commitment to delivering high-quality results on time ✅ Quick learner, adaptable, and proactive in staying updated with industry trends 💬 Feel free to invite me to discuss your project — I’m ready to help you scale your business efficiently and securely!
    Featured Skill VPN
    Amazon Virtual Private Cloud
    Terraform
    Cisco
    Linux System Administration
    Kubernetes
    Jenkins
    AWS CloudFormation
    Docker
    IT Support
    Cloud Architecture
    DevOps
    Network Engineering
    System Administration
  • $22 hourly
    • 0.0/5
    • (0 jobs)
    VPN salar Par VPN 3$ All VPN salar . One month 6$ 7 day 2$ One VPN salar and sales Do you trust me
    Featured Skill VPN
  • $20 hourly
    • 0.0/5
    • (0 jobs)
    🚀 12+ Years in Network & Cybersecurity | Cisco | Fortinet | Palo Alto | Mikrotik | F5 Expert I’m a results-driven Network & Security Engineer with over 12 years of hands-on experience in designing, implementing, and managing secure and scalable enterprise networks. I specialize in end-to-end network architecture — from initial planning and documentation to deployment, hardening, and ongoing maintenance. Over the years, I’ve worked with a wide range of technologies and clients across banking, telecom, ISP, and metro, Airport infrastructure projects. 🔧 My expertise includes: Firewall Management: Palo Alto, FortiGate, Sophos, Mikrotik Enterprise Networking: Catalyst, ASR, Nexus, Router, Switch, ISE, WLC, Firewall, DNAC, SDA, SD-WAN F5 LTM/GTM/ASM Deployment VPN Solutions: IPsec, SSL, Remote Access, GlobalProtect Routing & Switching: BGP, OSPF, EIGRP, VLANs, STP, MPLS Network Security Audits: PCI-DSS vulnerability mitigation, hardening best practices Documentation & Design: HLD/LLD creation, network diagrams, SoPs Services I offer: ✅ Network Design & Documentation (HLD, LLD) ✅ Firewall Configuration & Hardening ✅ Routing (OSPF, BGP, IS-IS, EIGRP, STATIC) ✅ VPN (IPsec, SSL, DMVPN, Site-to-Site, Remote Access) ✅ Troubleshooting and Maintenance ✅ Network Monitoring & Troubleshooting (SNMP, Syslog, Wireshark) ✅ Cloud & Hybrid Security Architecture I’m passionate about building secure, reliable, and optimized networks that support business needs without compromise. I believe in clear communication, long-term relationships, and delivering solutions that just work. Whether you need a secure firewall setup, network redesign, or troubleshooting a critical issue, I’m here to help. ✅ Let’s connect and make your network resilient and future-ready!
    Featured Skill VPN
    Cisco Router
    Cisco ISE
    Cisco Firepower Threat Defense
    Routing
    FortiGate Firewall
    Palo Alto Firewalls
    Firewall
    Network Design
    Troubleshooting
    Fortinet
    MikroTik RouterOS
    Cisco
    Information Security
    Network Security
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