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Hire the best Network Security Engineers in Pune, IN

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  • $40 hourly
    • 5.0/5
    • (3 jobs)
    I am a Senior Application Security Engineer and Penetration Tester with extensive experience in cybersecurity. I specialize in penetration testing (black box, grey box, and white box), vulnerability assessments, and red teaming. I have a deep understanding of security vulnerabilities across various platforms and a proven track record of implementing effective mitigation strategies. Over the course of my career, I have performed thousands of penetration tests and worked with a wide range of tech stacks and programming languages. I've also discovered numerous critical vulnerabilities through bug bounty programs for renowned companies. You can explore my work and contributions through the following links: - Bug Bounty - Bugcrowd Profile Top 200 Worldwide: bugcrowd[dot]com/rootxravi - LinkedIn Profile: linkedin[dot]com/in/ravindra-lakhara-035509173/ - X (formerly Twitter) Profile: x[dot]com/RootxRavi - Personal Projects: - bountyadvice[dot]com - reconsage[dot]com I have completed over 100 successful projects across various sectors, including banking, government, insurance, healthcare, universities, and private companies. I am also skilled in providing security consultations and collaborating on technical software testing and environment assessments. Additionally, I am capable of managing and optimizing your company's Bug Bounty program to ensure vulnerabilities are reported and addressed effectively, strengthening your organization's security posture. Certifications: - CREST Registered Penetration Tester (CRT) - CREST Practitioner Security Analyst (CPSA) - OffSec Certified Professional (OSCP) - Certified Red Team Professional (CRTP) - Certified Red Team Analyst (CRTA) - Multi-Cloud Red Teaming Analyst (MCRTA - AWS/Azure/GCP) - eLearnSecurity Web Application Penetration Tester eXtreme (eWPTX) - eLearnSecurity Certified Professional Penetration Tester (eCPPT) - Certified Ethical Hacker (Practical) - EC-Council (CEH) - eLearnSecurity Mobile Application Penetration Tester (eMAPT) - eLearnSecurity Junior Penetration Tester (eJPT) My Services Include (but are not limited to): ✅ Web Security & Application Testing: - Web Application Penetration Testing (Black Box, Grey Box, White Box) - Mobile App (Android & iOS) Penetration Testing - API Security & Penetration Testing (REST, SOAP, GraphQL) - Thick Client & Desktop Application Penetration Testing - Source Code Reviews (Secure Code Audits) ✅ Network & Infrastructure Security: - Network Penetration Testing (Internal & External) - Active Directory (AD) Security Assessment - Cloud Security Assessments (AWS, Azure, GCP) - Cloud Audit & Configuration Review - Wireless Security Assessments - IoT (Internet of Things) Penetration Testing - Network Configuration & Firewall Rule Review - Infrastructure Security Assessments ✅ Red Teaming & Advanced Security Assessments: - Red Teaming & Adversary Simulation - Multi-Cloud Red Teaming (AWS, Azure, GCP) - Social Engineering (Phishing, Vishing, Smishing) - Physical Security Assessments & RFID Cloning - LLM (Large Language Model) Security Testing - OSINT (Open-Source Intelligence) Investigations - Attack Surface Management (ASM) ✅ Security Consulting & Risk Management: - Bug Bounty Program Management & Optimization - Security Awareness Training & Workshops - Security Policy & Compliance Audits (ISO 27001, SOC 2, PCI-DSS) - Risk Assessment & Threat Modeling - Incident Response Readiness & Tabletop Exercises - Secure SDLC Implementation & DevSecOps Integration I ensure that organizations are protected against both external threats (hackers, cybercriminals, APTs) and internal risks (insider threats, misconfigurations, weak security policies). I look forward to helping secure your platform, products, and APIs from both outsider and insider threats. I am flexible with budgets and committed to delivering high-quality, timely results.
    Featured Skill Network Security
    Vulnerability Assessment
    Web Design
    Cybersecurity Tool
    Desktop Application Testing
    API Testing
    Bug Reports
    Cybersecurity Management
    Web App Penetration Testing
    Penetration Testing
    Bug Tracking & Reports
  • $40 hourly
    • 5.0/5
    • (11 jobs)
    Ethical Hacker with good understanding of Penetration testing methodology and in-depth coding/networking knowledge. Coming with Strong communication skills, technical writing skills, and certification in Ethical Hacking and Internet Investigation Specialist.
    Featured Skill Network Security
    Network Penetration Testing
    Metasploit
    Cybersecurity Management
    Wireless Security
    Web App Penetration Testing
    Email Security
    Research Papers
    Information Security
    Kali Linux
    Vulnerability Assessment
    Content Writing
    Penetration Testing
    Technical Writing
  • $20 hourly
    • 5.0/5
    • (3 jobs)
    ✅ Senior Network Administrator ✅ Network Security Expert ✅ Firewalls - Cisco ASA, Palo Alto ✅ Cybersecurity ✅ Professional Engineer ✅ CCNA, CCNP, CCNA-Security certified Network Security Engineer with more than 9 years of experience in the field holding certifications including a CCNP. If you hire me you will be hiring an Engineer with vast experience in Security and Core Network Issues. I have experience leading big projects doing tasks like- Installation, designing, configuring, Implementing, & troubleshooting networks. I have good communication skills and work well in a team. Expertise on: -Cisco ASA Firewalls -Palo Alto Firewalls -Network Proxy -Cisco Meraki -Network Design -Cisco ISE -VPN Technologies (Cisco Anyconnect, Pulse Secure, GlobalProtect, Meaki VPNs) -Routing -Switching Here are the certifications I have: CCNA CCNA Security CCNP Routing & Switching MCP
    Featured Skill Network Security
    Network Design
    Information Security
    Network Administration
    Network Engineering
    Network Monitoring
    Cisco Meraki
    Firewall
  • $40 hourly
    • 0.0/5
    • (0 jobs)
    Protect your organization with expert Security Operations Center (SOC) solutions. I offer professional services to monitor, detect, and respond to potential threats, ensuring the safety and integrity of your systems. Key Offerings: Threat Monitoring: Continuous surveillance of systems to identify and address vulnerabilities. Incident Response: Quick and effective action to mitigate security incidents. Security Audits: Comprehensive evaluation of your organization's security posture. Log Analysis: Detailed examination of logs to uncover hidden risks. With hands-on experience in SOC environments, I am dedicated to providing reliable, efficient, and tailored solutions to meet your cybersecurity needs. Having deep understanding of SIEM tools like Splunk.
    Featured Skill Network Security
    Cybersecurity Tool
    Cyber Threat Intelligence
    Cybersecurity Monitoring
    CyberARK
  • $22 hourly
    • 4.8/5
    • (2 jobs)
    IT professional with 10+ years of experience and expertise in designing, architecting, consulting, implementing and troubleshooting Network Infrastructure and IT Security solutions. Breadth of experience working across enterprise environments supporting wide variety of information systems. Adept at assessing requirements and goals of clients and implementing IT infrastructure and security solutions. Provide a range of IT strategy and business-related advice to clients. Client breadth spans across Governments, large corporations and SMEs across the globe.
    Featured Skill Network Security
    Cloud Computing
    Cloud Architecture
    Cloud Services
    VMware ESX Server
    System Security
    Cloud Security
    Virtual Desktop Infrastructure
    DevOps
    Mobile Device Management
    Microsoft Intune
    Microsoft Hyper-V Server
    Network Administration
    Windows Administration
    Microsoft Azure
  • $30 hourly
    • 4.8/5
    • (364 jobs)
    I’m a Computer Engineer by degree and a writer by passion, and I've tackled everything from whitepapers and blogs to academic theses and business proposals. If it needs to be written (especially on cybersecurity), I’m your go-to! I’m all about staying organized, diving deep into research, and hitting deadlines like they’re going out of style. Expect your projects done with time to spare—giving you plenty of room for feedback. I take real pride in delivering polished, top-quality work. Let’s get things done!
    Featured Skill Network Security
    Amazon Web Services
    Artificial Intelligence
    Blockchain
    Web App Penetration Testing
    Network Penetration Testing
    Vulnerability Assessment
    Robotics
    Editing & Proofreading
    Website Copywriting
    ISO 27001
    Cloud Security
    Information Security
    Disaster Recovery
    Policy Writing
    Technical Writing
    PCI
    Project Risk Management
  • $10 hourly
    • 0.0/5
    • (0 jobs)
    Service Description: Freelance Network Firewall Engineer With 7 years of hands-on experience as a Network Firewall Engineer, I specialize in designing, implementing, and managing robust firewall solutions to safeguard your IT infrastructure. My expertise includes working with industry-leading firewall platforms such as Palo Alto Networks, Check Point, and FortiGate. Services Offered: • Firewall Design & Deployment: Custom-tailored firewall solutions to meet your organization's security needs. • Configuration & Optimization: Fine-tuning firewalls for optimal performance, ensuring maximum protection with minimal disruption. • Security Policy Management: Crafting and maintaining effective firewall policies aligned with your business goals. • Troubleshooting & Support: Swift identification and resolution of network security issues to ensure uninterrupted operations. • Compliance & Auditing: Ensuring your network adheres to regulatory standards and best practices. If you're looking for a reliable, experienced freelancer to bolster your organization's cybersecurity, I'm here to help protect your network from evolving threats. Let’s work together to achieve a secure, seamless, and efficient IT environment!
    Featured Skill Network Security
    MikroTik
    VPN
    Network Administration
    Check Point
    Palo Alto Firewalls
    Computing & Networking
    Network Engineering
    Fortinet
  • $15 hourly
    • 0.0/5
    • (0 jobs)
    Profile Summary: Experienced Security Architect with over 14 years of expertise in designing, implementing, and managing robust security solutions across all security domains. Proven track record of enhancing organizational security posture through comprehensive risk assessment, strategic planning, and deployment of cutting-edge security technologies. Core Competencies: - • Security Architecture & Design • Risk Management & Compliance • Endpoint Security, Antivirus & EDR • Network Security • Identity & Access Management (IAM) • Security Operations • Email Security • Threat Intelligence & Incident Response • Cloud Security • Application Security • Data Protection & Privacy • Security Governance • Microsoft Defender for cloud, Zero Trust Exchange, ZIA, ZPA • Application of AI & ML into Cyber Security
    Featured Skill Network Security
    Microsoft Azure
    Cisco ISE
    Firewall
    Web Application Firewall
    Governance, Risk & Compliance Software
    Cybersecurity Tool
    Antivirus & Security Software
    Web Proxy
    NIST Cybersecurity Framework
    Cybersecurity Management
    Cyber Threat Intelligence
    Cloud Security
    Information Security
  • $10 hourly
    • 0.0/5
    • (0 jobs)
    I am a motivated student with a growing interest in Industrial Control Systems (ICS) and Operational Technology (OT) Security, along with a parallel focus on Robotics and Drone Systems Security. I'm motivated to build a solid foundation in Offensive and Defensive Cybersecurity that aligns with different Critical Infrastructures. While still in the early stages of my career, with good grasping power, curiosity and passion in learning, I would contribute to any organization I get into.
    Featured Skill Network Security
    Cybersecurity Management
    Security Analysis
  • $15 hourly
    • 0.0/5
    • (0 jobs)
    I'm a Cybersecurity Analyst with 1 year of experience, CEH certified, specializing in Penetration Testing and Vulnerability Assessment (VAPT). -Vulnerability Remediation: Expertise in using Burp Suite, Metasploit, and Nessus to identify and fix vulnerabilities, enhancing security by up to 40%. -Network Security: Strong understanding of OSI Model, TCP/IP, IDS/IPS, NGFW, WAF, and VPN technologies for network security. -Security Monitoring: Knowledgeable in SIEM, DLP, EDR, and UEBA architectures for real-time threat detection and incident response. -Cloud & Technical Skills: Proficient in Linux, SQL, data encryption, access control, and basic AWS security. -Continuous Learning: Skilled in risk assessments, vulnerability management, and staying updated on cybersecurity threats.
    Featured Skill Network Security
    Metasploit
    Cybersecurity Tool
    Wireshark
    Nessus
    Penetration Testing
    Vulnerability Assessment
    Information Security
  • $11 hourly
    • 0.0/5
    • (0 jobs)
    I am a Cybersecurity & Network Infrastructure Specialist with extensive experience in network security, endpoint protection, infrastructure management, and compliance. I help businesses secure their IT environments, detect and mitigate threats, and optimize network performance with industry-leading solutions. Expertise: ✅ Network Security & Firewall Management (WatchGuard, Fortinet, Palo Alto) ✅ Endpoint Protection & EDR/EPDR Solutions (WatchGuard, CrowdStrike, SentinelOne, etc) ✅ Threat Detection & Response (SIEM, NDR, XDR, Breach & Attack Simulation - BAS) ✅ Zero Trust Security & Multi-Factor Authentication (MFA) ✅ Patch & Vulnerability Management ✅ Data Protection & Encryption (GDPR, HIPAA, ISO 27001 Compliance) ✅ Server & IT Infrastructure Management (Windows, Linux, VMware, Hyper-V) ✅ Synology NAS & Cloud Storage Solutions (AWS, Azure) I specialize in proactive security measures, automation, and compliance-driven strategies to ensure businesses are protected against evolving cyber threats.
    Featured Skill Network Security
    Server Operating System
    Server Administration
    Network Analysis
    Firewall
    Network Monitoring
    Antivirus & Security Software
    Cybersecurity Monitoring
    Security Testing
    Cybersecurity Management
    Security Operation Center
    Security Analysis
    Zero Trust Architecture
    Computing & Networking
    Network Architecture
  • $30 hourly
    • 0.0/5
    • (0 jobs)
    ✅I can assist you by implementing robust security solutions to safeguard data and prevent vulnerabilities. ✅Routing & Switching – Configuring, optimizing, and troubleshooting Layer 2/Layer 3 networks for high availability and performance. ✅ Firewall Management – Working with industry-leading firewalls to secure access control and traffic filtering. ✅ Troubleshooting & Root Cause Analysis – Rapid issue identification and resolution to minimize downtime. ✅ Implementation & Migration – Seamless network upgrades and transitions with minimal business disruption. ✅ Monitoring & Optimization – Proactive network performance analysis and optimization to enhance efficiency.
    Featured Skill Network Security
    Cloud Security
    Root Cause Analysis
    Troubleshooting
    Security Patch Installation
    Security Analysis
    Cybersecurity Tool
    Network Monitoring
    Configuration Management
    WAN Optimization
    LAN Administration
    Firewall
    FortiGate Firewall
    Palo Alto Firewalls
    Network Engineering
  • $15 hourly
    • 5.0/5
    • (3 jobs)
    #AWS, #Azure, #VMware #ManagedCloudServices (#MSP) #ServerAndEmailMigration #SLA 24/7/365 #Office365 Administration, #Exchange Administration #AWSDevOps, #AzureDevOps #ServerAdmin #BackupSolutions, ,#ConnectWise #SolarWinds #ManageEngine #NinjaRMM #Kaseya #Atera #Automate Accomplished, motivated and versatile IT professional with over 10+ years of expertise in Helpdesk IT support Tier 2, I am dedicated in providing exceptional technical support to businesses of all sizes. I am known for client centric and a good team player. Innovative and driven, consistent achiever, responsible and efficient project manager. A welcome addition to any team, with a demonstrated ability to deliver highly critical projects with tight schedules; willing and able to function in any role necessary to ensure project success and on time project delivery. Results-driven IT Professional who has successfully directed multiple projects and incorporated a wide range of applications and technologies. I am able to quickly assess and utilize the appropriate response to meet the specific needs of the business requirement at hand; ready, willing and able to function in any role necessary to ensure project success and on time project delivery. Strong in-depth knowledge of Server Virtualization technologies (VMWare and Microsoft), Wintel Servers, Exchange, Office 365 and Active Directory. Advanced Troubleshooting: I have a deep understanding of IT systems, networks, and software applications. When issues arise, I can quickly identify the root cause and provide effective solutions, minimizing downtime. User Assistance: I offer prompt and friendly assistance to end-users, helping them with technical issues, software installations, account setups, and general IT-related inquiries. Ticket Management: I am well-versed in ticketing systems and can efficiently manage and prioritize support requests, ensuring that critical issues receive immediate attention. Remote Support: With the ability to provide remote support, I can resolve issues efficiently without the need for on-site visits, reducing costs and minimizing disruptions. Documentation: I maintain comprehensive documentation of support activities, including solutions to common problems, to facilitate knowledge sharing and future reference. Escalation Handling: In cases that require Tier 3 support or specialized attention, I am proficient in escalating issues to the appropriate teams or experts. Software and Application Support: Experience in supporting a wide array of software and applications, including Microsoft Office Suite, Adobe products, email clients, QuickBooks, Sage and more. Service 2: Server Administration Tier 3 With over a decade of hands-on experience in Server Administration Tier 3, I offer specialized expertise in managing and optimizing server environments. My service is tailored to meet the specific needs of your organization's server infrastructure. Expertise:- Microsoft Azure Cloud Services: I am well-versed in Microsoft Azure, including the provisioning, configuration, and management of virtual machines, storage, and other Azure services. I can help you leverage the cloud for scalability, cost-efficiency, and flexibility. Server Deployment and Maintenance: I have a proven track record in setting up, configuring, and maintaining Windows and Linux servers, ensuring they operate at peak performance. Security and Compliance: I implement robust security measures to protect your servers and data, including regular updates, firewall configuration, access controls, and compliance with industry standards. Backup and Disaster Recovery: I design and implement reliable backup and disaster recovery solutions to safeguard your critical data and minimize downtime in case of unforeseen events. Performance Optimization: I continuously monitor server performance and fine-tune configurations to ensure optimal resource utilization and response times. Firewall Expertise: I have extensive experience working with various firewall technologies, including FortiGate, Fortinet, Sophos, WatchGuard, and SonicWALL. This expertise allows me to secure your network infrastructure effectively. Patch Management: I handle patch management, applying updates and security patches to servers in a timely manner to mitigate vulnerabilities. 24/7 Monitoring: I offer round-the-clock monitoring to detect and address server issues proactively, reducing the risk of service interruptions. Documentation and Reporting: I maintain detailed documentation of server configurations, changes, and performance metrics. Regular reporting keeps you informed about the health and status of your server infrastructure. Scalability Planning: I work with you to plan for future growth, ensuring your server infrastructure can scale seamlessly to accommodate your organization's evolving needs. My commitment to excellence, in-depth technical knowledge, and extensive experience makes me the ideal partner for all your Helpdesk IT Support.
    Featured Skill Network Security
    Hosting Setup
    Technical Support
    Virtualization
    Server Administration
    VMware Administration
    Microsoft Small Business Server Administration
    Microsoft Hyper-V Server
    AWS Server Migration
    Linux System Administration
    Office 365
    Microsoft Azure
  • $20 hourly
    • 5.0/5
    • (24 jobs)
    • Responsible for various hardware and software acquisitions and implementations. • Expertise in Unix/Linux system installation, configuration, administration, the development and testing of backup and recovery methodologies, troubleshooting, capacity and performance planning, • Performance tuning, preventative maintenance, monitoring and alerting setup and security hardening. • Experience in the support of fundamental technologies such as DNS, SFTP/FTP, SMTP, SNMP, LDAP, SSL, SSH, TCP, UDP, IP, RAID, SQUID and DHCP. • Experience in the support of Designing of PC Cluster using LAM/OSCAR FOSS TOOL • Experience in the virtualization using XEN/KVM Expertise in: MIGRATIONS: AMAZON/Wordpress/Magento/LAMP/Cpanel migration plans and implementation, backup-restore and recovery plans. I have helped dozens of clients migrate their web sites and applications into the CLOUD VPC. Design and build Web Servers with HIGH PERFORMANCE (LAMP, NGINX/python, Nginx/Varnish, Nginx/php-fpm, Jboss, Apache tomcat and Varnish) - Improve and Fix performance issues, service optimization, security issues and deployments. MALWARE removal and analysis: WordPress / Magento / Joomla Malware removal and remediation, Incident handling and Forensics analysis. BOOST and optimize websites with: NGINX, Varnish, REDIS, Amazon S3, Memcached, APC, apache tunning and mysql tunning, Amazon CloudFront and more. Amazon Cloud Computing (AWS) - AMAZON EC2, amazon CDN S3, amazon RDS, amazon ELB, Amazon AutoScaling, Amazon VPC, CloudFront, Route53, etc. Also Management of multiple Control panels like Rackspace Cloud Computing, SoftLayer, GoDaddy, HostGator, dreamhost and MediaTemple. DevOps and Continuous integration: Docker + vagrant, Vagrant + Puppet, Puppet + Git, Docker + Ansible. Continuous integration with Jenkins, travisCI, distelli and more... Designing and deploying scalable & Highly available systems such as: Amazon Load Balancing (ELB), Hearbeat, HAProxy, mysql cluster, apache cluster... Network and web security such as: Vulnerability Assessments, Hardening servers, security audits, Penetration testing, Virus/Malware/Threats/Vulnerabilities countermeasures, web security, fail2ban, Tripwire-AIDE-OSSEC, mod_security, mod_evasive, Denial of Services (DDOS) countermeasures, Firewalls (iptables, CSF and apf), etc. VPS: Cpanel / WHM / Plesk / DirectAdmin / Webadmin - Migrations, management, hardening, configuration, maintenance and high level of Administration. Databases Administration such as: Mysql tweaking and tunning, MongoDB, load balancing and Mysql replication (Master & Slave) for High traffic. Database: Mysql tweaking and tunning, MongoDB, ElasticSearch, Apache Solr, Sphinx, lucene, MariaDB, Postgresql replication & Pgpool, Mysql load balancing and Mysql replication (Master & Slave) for High traffic. Networking: TCP/IP high expertise, NAT, FIREWALLS, CISCO routing and switching and Packet analysis with tcpdump and wireshark. Storage solutions and Directory management: SAMBA, NFS, FTP and sftp. LVM and RAID*. SCRIPTING: Bash and python. Proficient with MAIL Servers: postfix, sendmail and Zimbra. Source control versioning: GIT and SVN. Deploying and maintaining Monitoring systems such as: nagios, ZAbbix, cacti and Jboss Operations Network (JON). Backups solutions: amanda, rsync, Amazon backups and rsnapshot. Research & development (R & D) for any open source service and technology.
    Featured Skill Network Security
    Hardware Troubleshooting
    Nagios Core
    Redmine
    Linux System Administration
    Red Hat Administration
    RAID Administration
    Bash Programming
    Wireless Security
    Python
  • $15 hourly
    • 0.0/5
    • (0 jobs)
    Associate Manager with 16+ years of work experience in the industry which includes expertise in the areas of Routing, Switching, Firewall, Virtualization, Cloud, SDWAN and Load Balancing domain Cisco Switches: 9200, 9300, 9500, 4500, 3500, 6500, Nexus 7k, 2k, 5k, 9k etc. Cisco Routers: 1800/1921, 2900, 1000 ASR, 4000 ISR Firewall: Cisco ASA 5500, Checkpoint R81.20, FortiOS 7.2.11, PAN-OS 11 Monitoing tools Solarwind, Netflow Analyzer, Netcool Analyzer, What's up gold, SNMPc, Zabbix Ticketing Tools Service Now, Crowdstrike, Forescout, HPNA, SM9, Smoke-Ping, JIRA, Rancid, mRemote NG, BMC Remedy, Netbox, Entuity, IT Infrastructure Management / Networking & Network Security Administration / Service Delivery Management,Project Management / Operation Support / Vendor Management / Quality Management / Resource Management /Team Management / Risk Management Data Networking (Routing & Switching) Routing & Switching: Hands-on experience with Cisco Catalyst (9200, 9300, 4500, 6500) and Nexus switches (7K, 9K, 5K, 2K) along with Cisco routers (ASR, ISR). Expertise in configuring VLANs, STP, HSRP, VRRP, GLBP, and advanced routing protocols like OSPF, BGP, and EIGRP. Troubleshooting issues such as packet loss, high CPU utilization, asymmetric routing, link flapping, and latency. Performed change management tasks including pre-checks, peer review, CAB approval, and implementation. Experience in network hardening, access-list configuration, and DHCP pool setup. Security & Firewall Expertise: Extensive experience in Palo Alto (PAN-OS), FortiGate (FortiOS 7.2), Cisco ASA, and Checkpoint (R80.30, R81). Configuring and managing firewall rules, NAT policies, SSL decryption, VPNs (IPSec, DMVPN, SSL), and GlobalProtect setup. Implementing security policies, license upgrades, and hardening of firewall appliances to mitigate vulnerabilities. Experience with Cisco ASA firewall migration to Palo Alto and FortiGate firewalls. Troubleshooting firewall issues like high memory utilization, access restrictions, policy optimization, and log analysis using Panorama and FortiManager. SD-WAN & Cloud Security: Expertise in SD-WAN solutions including Cisco Viptela, Meraki, and Versa. Configuring SD-WAN policies, VPN tunnels, vSmart policies, and application-aware routing. Troubleshooting SD-WAN connectivity, performance, and latency issues. Experience in configuring Zscaler Internet Access (ZIA) and ZPA, including web filtering, proxy settings, and access management. Load Balancer & Virtualization: Strong expertise in F5 LTM/GTM, including VIP, WIP configurations, iRules scripting, SSL offloading, and application delivery optimization. Experience in VMware NSX-T, configuring distributed and edge routing, overlay networking, and NSX-V to NSX-T migration. ******** Certifications: Palo Alto PCNSE, , Checkpoint CCSE, ITILv4., DUAL Cisco CCNP (R&S, Security) all sertifications are valid till date ****************************** With proven expertise in networking and security, I deliver scalable, secure, and high-performance IT solutions. Enterprise Network Design & Architecture: Designed and deployed enterprise networks with high availability, scalability, and redundancy. Developed LLDs and HLDs, incorporating BGP, OSPF, VXLAN, and MPLS-based WAN architectures. Expertise in network segmentation, micro-segmentation, and Zero Trust implementations. Firewall Security & Advanced Threat Protection: Configured NGFW features like IPS, Anti-Bot, URL filtering, and SSL decryption on Palo Alto, FortiGate, and Checkpoint firewalls. Implemented advanced security profiles, including IDS/IPS signatures, malware sandboxing, and application layer filtering. Troubleshooting VPN tunnels, certificate-based authentication, and security policy anomalies. Cloud & Hybrid Network Security: Hands-on experience with cloud-based security solutions including Prisma Access, Azure Firewall, and AWS Security Groups. Securing multi-cloud and hybrid cloud environments with IPSec tunnels, VPC peering, and SD-WAN connectivity. Deploying Zscaler ZIA/ZPA for secure remote access and inline threat prevention. Advanced SD-WAN & Traffic Optimization: Configured SD-WAN fabric with policy-based routing, QoS, and dynamic path selection. Integrated SD-WAN controllers with cloud-based security platforms for end-to-end encrypted traffic management. Performance monitoring and optimization of SD-WAN tunnels using real-time analytics and AI-driven insights. Network Automation & Performance Optimization: Automated network operations with Python, Ansible, and Terraform to streamline firewall rule deployment and configuration backups. Used APIs to integrate network monitoring tools with ITSM platforms like ServiceNow for proactive incident management. Optimized network performance using AI-driven tools, predictive analytics, and proactive threat detection.
    Featured Skill Network Security
    Information Security
    System Hardening
    Cisco Router
    VPN
    OSPF
    Multiprotocol BGP
    VMware NSX
    Web Application Firewall
    FortiGate Firewall
    WAN Optimization
    Load Balancing
    LAN Administration
    Palo Alto Firewalls
    Network Engineering
  • $12 hourly
    • 0.0/5
    • (0 jobs)
    Experienced System Software Developer having 5+ years of experience with a demonstrated history of working in Linux product development with C and C++ technology. Worked on projects based on EPS (Endpoint Protection solution), Policy based protection, built kernel modules for data gathering and blocking activities. My responsibility start with requirement gathering, feature design(high/low level) according to requirement, coding and deployment of projects. I work well both independently as well as in a group setting, demonstrating the dedication and motivation required to achieve short-term and long-range goals while meeting the long-haul objectives set by senior management. Languages : C, C++, Scripting languages Skills: : Kernel Modules, Multi-threading, Data Structure, Socket Programming, File System, Memory leak. Operating System : Linux , Windows Database : SQL, Oracle Tools : vi, gcc, gdb, make, valgrind, Wireshark, Procmon, Linux Packaging, Att&ck framework, Caldera, VS Code, GitLab, Postman, Virtual Box, KDE
    Featured Skill Network Security
    System Security
    EPS
    Windows API Development
    C
    Linux
    Integration Framework
    Low-Level Programming
    Cybersecurity Tool
    Kernel
    C++
    System Programming
    Cyber Threat Intelligence
  • $20 hourly
    • 0.0/5
    • (0 jobs)
    Hello and welcome to my profile! I'm Alok, a Senior Network Engineer with over 9 years of hands-on experience in: Cisco Routing & Switching Wireless Networking Fortigate and Palo Alto Firewalls Cloud Networking (AWS & Azure) 🔧 Core Skills & Expertise 9+ years of experience in Cisco-based network design and troubleshooting 6+ years in cloud networking and hybrid infrastructure Strong knowledge of network security, firewall policies, and VPN configurations Data center design, migration, and network upgrades 🛠️ Services I Offer Network troubleshooting & performance optimization Cloud & on-premise network setup and migration Firewall configuration and security hardening Data center network design and deployment Infrastructure upgrades and documentation 🕒 Availability Available Monday to Friday Support offered 6 days a week I'm passionate about delivering secure, scalable, and cost-effective networking solutions tailored to your business needs. Whether it's resolving critical issues or designing a new network from scratch—I'm here to help. 📩 Feel free to reach out—I'd love to discuss how I can support your next project!
    Featured Skill Network Security
    Microsoft Azure
    FortiGate Firewall
    Wireless LAN Controller
    Wide Area Network
    Local Area Network
    OSPF
    Multiprotocol BGP
    Cisco Certified Network Professional
    Cisco Certified Network Associate
    Network Engineering
    Network Administration
    Network Design
    Network Analysis
  • $5 hourly
    • 0.0/5
    • (0 jobs)
    College time Table management Program Using Python, Student Attendence and Performance Showing website in development ,Project based on Newton's Cooling law numericals, Matrices Problems using python
    Featured Skill Network Security
    Network Penetration Testing
    Penetration Testing
    Router
    Routing
    Network Architecture
    Network Software
    Network Engineering
    Network Planning
    Linux System Administration
    Linux
    Python
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Rates charged by Network Security Engineers on Upwork can vary with a number of factors including experience, location, and market conditions. See hourly rates for in-demand skills on Upwork.

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