Hire the best OSPF specialists
Check out OSPF specialists with the skills you need for your next job.
- $40 hourly
- 4.9/5
- (109 jobs)
Hello! I’m Radion, an experienced network engineer with over a decade of expertise in designing, implementing, and managing complex network infrastructures. My focus has been on creating secure, scalable, and reliable solutions tailored to diverse client needs. Network Design & Implementation I specialize in building scalable network infrastructures, with extensive experience in core protocols: Routing Protocols: Proficient in BGP and OSPF, focusing on efficient routing, reliability, and failover support. Experience with static routing, EIGRP, and RIP in specialized environments. Switching & VLANs: Expertise in configuring VLANs and switching protocols, including Spanning Tree Protocol (STP), Rapid Spanning Tree (RSTP), and Virtual Router Redundancy Protocol (VRRP), enhancing network stability, performance, and security. Network Security Security is an integral part of my approach, with extensive skills in protecting data and network integrity: Firewall Configuration: Skilled in deploying firewalls on MikroTik, Cisco, Fortigate, and PFsense to prevent unauthorized access and safeguard networks. VPNs: Proficient in secure VPN solutions, including PPTP, L2TP, IPsec, and OpenVPN, to enable encrypted remote access. IDS/IPS Systems: Experience with intrusion detection and prevention systems, helping identify and block threats before they impact performance. Systems Administration In addition to network engineering, I manage operating system environments to ensure smooth network performance: OS Administration: Proficient in Windows Server and Linux (Ubuntu, CentOS), managing and optimizing server uptime. Automation: Skilled in scripting and automation to streamline network tasks, reduce error, and enhance response times. Protocol Expertise My hands-on experience covers a broad range of essential protocols that are key to network functionality: IPoE, DHCP, DNS, and TCP/IP: Extensive knowledge of core internet protocols. PPPoE and QoS: Experience with PPPoE and Quality of Service (QoS) protocols for prioritized traffic management and efficient customer support. Multicast (IGMP): Proficient in configuring and managing multicast (IGMP) for optimized multimedia streaming, ideal for IPTV and similar services. Certifications To stay on the cutting edge of technology and maintain high standards, I hold multiple certifications: MikroTik: Certified in MTCNA, MTCRE, MTCEWE, and MTCTC, specializing in routing, wireless, and network troubleshooting. Ubiquiti: UNS and UEWA certifications in advanced wireless deployments. RIPE: Certified for BGP database integration, enabling efficient multi-AS management. Why Choose Me? I take pride in understanding and exceeding client needs with tailored solutions. My work on Upwork and with direct clients demonstrates a successful track record, especially in BGP and complex network design projects. I am committed to continuous improvement, always adapting to new industry practices. My past projects span from supporting small businesses to large enterprises, adapting solutions to meet unique requirements. Feel free to contact me to discuss how I can support your network needs. I look forward to the opportunity to work together!OSPFMultiprotocol BGPIngress FilteringMikrotik RouterBOARDMikroTik RouterOSFiber OpticsPfSenseFirewallFortinetMikroTikZabbixUbiquitiVPNNetwork Design - $150 hourly
- 5.0/5
- (59 jobs)
Versed in a wide-range of IT topics including, but not limited to: - Enterprise Network Monitoring with Zabbix - Network security/implementation utilizing FortiGate/FortiManager/FortiEMS/FortiAnalyzer/FortiAP/FortiSwitch (NSE 4, NSE 5, NSE 7 Certified) - IPSec/SSL VPN - AWS Site-2-Site VPN I have a passion for learning new things and solving Information Technology challenges. The majority of my career experience has been as a Network Security Engineer for a managed security service provider for the financial industry in the United States.OSPFZabbixFortinetLinuxNetwork EquipmentC#Network MonitoringVPNFirewallInternet Protocol Security - $50 hourly
- 5.0/5
- (34 jobs)
My skills: - routing (BGP multihomed and full view, OSPF multi-area, EIGRP, RIP, CARP, GLBP, VRRP); - VPN (OpenVPN, IPSec, WireGuard, L2TP, PPtP, SSTP, IPIP, EoIP, PPPoE); - security and firewalls (Cisco ASA, pfSense/OPNsense, D-link DFL, iptables and nftables, IPFW); - switching (PAgP/LACP, ERPS, STP family, VTP/GVRP); - Amazon Web services (EC2, S3, other); - network simulation (Cisco Packet Tracer, UNL/EVE-NG, GNS3, PNetLab); - traffic sniffing and deep analyzing (Wireshark, tcpdump); - Wi-Fi (channel bonding, MIMO, WDS, Mesh etc.) and LTE; - QoS (FIFO, RED, SFQ, PCQ); - Linux (Debian, Ubuntu Server, Fedora, CentOS), FreeBSD; - monitoring systems (Zabbix and Grafana, Observium); - IPv6 <=> IPv4 translation (Jool/SIIT), - bash scripting, RegExp, JSON. I've completed courses and passed exams successfully: - MTCRE (MikroTik Certified Routing Engineer) - MTCIPv6E (MikroTik Certified IPv6 Engineer) - MTCTCE (MikroTik Certified Traffic Control Engineer), - MTCNA (MikroTik Certified Network Associate), - Cisco TSHOOT (CCNP), - Cisco SWITCH v2.0 (CCNP), - CCNAX (CCNA accelerated), - Linux LL-101. I am online in periods 8 AM - 3 PM and 8 PM - 1 AM (UTC/GMT) every day. However, you can still contact me in off-hours and I will get back to you as soon as possible.OSPFMultiprotocol BGPMikroTikGrafanaWireless Network ImplementationLinuxPfSenseVPNCiscoFirewallNetwork MonitoringNetwork AdministrationAmazon EC2MikroTik RouterOSZabbix - $30 hourly
- 4.6/5
- (44 jobs)
I am an Expert Network Engineer and I am working as an Expert Consultant Network and Security Engineer. I have great hands-on experience for more than 7 years in various network technologies. I have Cisco CCNA, CCIE Enterprise (Enterprise Core & Enterprise Advanced Infrastructure Implementation), CCNP Data Center and CCNP Security certifications. I have Juniper JNCIA-Junos (JN0-102) and JNCIA (Cloud) certifications. I have very good knowledge in Cisco wireless technology, VOIP & Network Security. My specialties: - Design/implement medium and large scale enterprise networks. - Configure Cisco Routers (ASR 1K & 9k, 2900, 2800, ISR 4K, 878, 888), Switches (Cat 6500, 3750, 3850, 2900, 2960, SG- 300, SG-500, [Nexus 5K, 7K and 9K]), Firewalls ([ASA 5505, 5506x, 5508], Fortigate, Palo Alto) and Wireless Acess Points 1800 and 2700. - Configure Juniper Routers (M7, M10, MX 480, MX 960) and SRX (300, 500). - Huawei, Mikrotik, HP & Ubiquiti devices Expert. - Packet Tracer, GNS-3, EVE-NG, VMWare workstation & VirtualBox Expert. - Routing protocols (RIP, OSPF, EIGRP, ISIS & BGP) Configuration and troubleshooting Expert and Switching Expert (VLANs, STP, VTP...). - VPN Configuration Expert (IPSEC/L2TP, GRE/PPTP, OPENVPN & SoftEther). - Linux, Unix & windows servers Expert. - Wireshark Traffic Capture & Analysis Expert. - Write technical reports and summaries. Thanks to check my profile and let me know if you are interested.OSPFFortiGate FirewallNetwork DesignCiscoRoutingCisco Certified Internetwork ExpertSonicWallNetwork EngineeringUbiquitiJuniperMultiprotocol BGPEnhanced Interior Gateway Routing ProtocolCisco RouterMultiprotocol Label SwitchingMikroTik RouterOS - $75 hourly
- 5.0/5
- (116 jobs)
Over the last 12 years, I have deployed and maintained several ISP networks working as a network engineer, senior network engineer, network security administrator and senior network administrator in different companies. I have done a lot of network consulting works for companies in the US, Europe, Africa and helped to successfully start three ISP companies from scratch. I'm holding an industrial CCNP R&S, Fortinet NSE4, CompTIA Linux+, Okta Certified Professional and other certificates I'm seeking opportunities to audit, build, reconfigure or maintain network or server infrastructure of any company. I have experience in the following areas: Routing and Switching, Network Security, VoIP, VPN, Firewalls. I'm familiar with different leading vendors equipment such as Cisco, SonicWALL, Fortinet, Sophos, Arista, Meraki, Mikrotik, Ubiquiti, Cambium Networks, HP, Dell, etc. I've administered SAAS applications like Okta, Google Workspace, Office 365, Zoom, Slack, Gong, Atlassian Jira, Confluence, Jira Service Management and many others.OSPFOKTAFortinetOpen Networking Operating SystemCisco ASANetwork EngineeringFirewallPfSenseNetwork PlanningMikroTik RouterOSCisco Certified Network ProfessionalTCP/IPNetwork SecurityCisco RouterCisco IOSVMware ESX Server - $100 hourly
- 4.9/5
- (312 jobs)
- Top Rated Network and Cloud Engineer. - Expert Vetted by Upwork - top 1% of Upwork freelancers. - 300+ projects and 7000+ Upwork hours up to date. - Six figures in the past twelve months. - Full-Time Freelancer. - 600k+ earned on Upwork. Networking vendors I have worked with: * Cisco, Mikrotik, Fortigate, Ubiquiti, Vyatta, VyOS, pfSense, Sonicwall, Sophos XG, Watchguard, Brocade, Ruckus, HP, Huawei, HPE, Aruba, Arista, etc. Cloud Skills: Terraform (AWS, Azure, GCP) AWS - VPC, EC2, RAM, R53, LB, S3, IAM/SSO, various NGFWs, Terraform. Azure - AD, AADDS, S2S VPNs, VMs, LB, NGFWs, Azure Hub-Spoke, Terraform. GCP - Cloud Compute, Security, NGFWs, Terraform. Digital Ocean Vultr ...OSPFAWS ApplicationFortinetOpen Networking Operating SystemCisco ASANetwork DesignUbiquitiCisco RouterMikroTik RouterOSBrocadePfSenseOpenVPNSophos Sophos UTMGoogle Cloud PlatformMicrosoft Azure - $70 hourly
- 4.7/5
- (213 jobs)
6+ years as DevOps 8+ years as Virtualization / Cluster Expert 12+ years as Linux/BSD administrator 15+ years as Network Engineer 16+ years as Systems Administrator I can help you with: ➢ Virtualization: KVM, Xen, OpenVZ, LXC, LXD, FreeBSD Jail, Proxmox, VDSmanager, Docker ➢ Management: Proxmox, OpenNebula, OpenStack, oVirt ➢ Storage: CEPH, LizardFS, DRBD, SCSI, ISCSI, SAN, NAS, LUNS, ZFS ➢ Orchestration: Puppet, Foreman, Ansible, Chef, Salt ➢ High availability: Corosync, Pacemaker, MySQL cluster, Multipathing, Bonding ➢ Monitoring: Zabbix, Monit, Cacti, ELK(Elasticsearch+Logstash+Kibana) ➢ Backup & Archiving: Bacula, rsyncOSPFDevOpsLinux System AdministrationProxmox VEUnix ShellStorage Area NetworkCloud ComputingNetwork AdministrationDockerZabbixVirtualization - $32 hourly
- 5.0/5
- (256 jobs)
👋 Hello! I specialize in Microsoft 365 and Google Workspace, Azure, Google Cloud, Amazon Web Services, PowerShell, Squarespace/WIX landing pages, web hosting setup and web development, configuring cloud hosting solutions, and email/SMTP-related services. Let me break down my expertise for you: Email Migration: Migrating from one email platform to another? No sweat. With a track record of thousands of successful mailbox transfers between Microsoft 365 and Google Workspace, I ensure data integrity and minimal disruption. Sender Domain Authentication: SPF, DKIM, DMARC—I’ve got these covered. Strengthen your sender reputation and prevent spoofing and stop your emails from going to spam. Cloud Hosting Architect: Building scalable, secure cloud environments is my forte. Whether it’s AWS, Azure, or Google Cloud, I design infrastructure that aligns with your business goals. High availability, load balancing, and auto-scaling—I’ve got it covered. Web Development: I have extensive experience in both front-end and back-end technologies. Whether it’s creating visually appealing websites or building complex web applications, I use the latest frameworks to bring your ideas to life. Responsive design and seamless navigation are my priorities. E-commerce Development: If you’re setting up an online store, count me in! I specialize in secure, feature-rich e-commerce platforms. From intuitive product listings to secure payment gateways, I’ll optimize your site for success. Email Services: Email Deliverability: Email campaigns need finesse. I optimize deliverability, minimize spam, and maximize open rates. Let’s keep your messages out of the abyss and in the inbox where they belong. Authentication protocols are my playground. I configure SPF, DKIM, and DMARC to safeguard your reputation. I’m committed to exceptional results and exceeding expectations. Reach out, and let’s elevate your email capabilities together! 🚀OSPFWordPressEmail SecurityWeb HostingWeb ServerOffice 365GoogleMarketingRackspaceMicrosoft TeamsTechnical SupportLinux System AdministrationMicrosoft Exchange OnlineEmail DeliverabilityTech & ITMicrosoft Active Directory - $150 hourly
- 4.7/5
- (629 jobs)
I have years of experience focusing on the messaging collaboration side of technologies including various versions of Microsoft Exchange and Microsoft Lync Server. I have worked as a lead engineer for major financial companies. I have over 8+ years of Powershell scripting experience. My vision is to provide my clients with enterprise knowledge and experience, give them the guidance for the right answer, and implement the best solution to ensure their day to day operations continue to run smooth. Recent Projects: 1. Create a secure, robust, and highly available Remote Desktop Services (RDS) solution in Azure leveraging Multi-Factor Authentication. 2. Migrate on-premise exchange to office 365 in a staged role out. This method included deploying Azure AD Connect for AD and password synchronization, as well as Exchange Hybrid. 3. Create Powershell script to parse mailboxes for emails matching specific criteria while tagging the email with a flag. This was done leveraging EWS API. 4. Move Sharepoint 2013 farm from using Windows authentication to Active Directory Federated Services (ADFS). This involved building out a redundant and secure ADFS environment in Azure leveraging multiple subnets (DMZ / Private), Web Application Proxies, and Azure Load Balancers.OSPFMicrosoft Windows PowerShellMicrosoft AzureDHCPMicrosoft Active DirectoryMicrosoft Lync ServerMicrosoft SCCMMicrosoft Exchange ServerDNS - $56 hourly
- 5.0/5
- (430 jobs)
I am a System Administrator and Cloud Engineer with over 9 years of professional experience in cloud computing, system administration, and IT security. Currently pursuing a Master’s in Information Security at Stockholm University, I bring a strong academic foundation and hands-on expertise to deliver innovative and secure IT solutions. My technical skills span cloud platforms like AWS, Microsoft Azure, Google Cloud, and Digital Ocean, as well as system administration for Linux and Windows servers. I am proficient in the following areas, • Cloud Service Amazon Web Service | Azure | Google Cloud | IBM Cloud | Digital Ocean | Vultr | Linode | UpCloud | Hetzner | Scaleway • Amazon Web Services (AWS) EC2 | ECS | RDS | S3 | Route 53 | IAM | Cloud Watch | SES | SNS | ELB | Certificate Manager | VPC | Glacier | Autoscaling | CodeCommit | CodePipeline | Guard Duty | Elastic Beanstalk | CloudFront • System Administration Windows Server | Linux Server | KVM | OpenVZ | Xen | VMware ESXI | Hyper-V | Server Migration | Server Monitoring | Server Management | Server Optimization | 3CX | Twilio Elastic SIP • CMS WordPress | WordPress Migration | WordPress Speed Optimization | WordPress HA | Ghost | Medium | Laravel Installation | Laravel Site Migration • Database MongoDB | PostgresSQL | MySQL | MariaDB | DB Optimization • Windows Server Active Directory | Group Policy | IIS | Exchange | DNS Server | RRAS | Windows Firewall • Linux Nginx | Apache | MySQL | PHP | UFW | Iptables | Git | Let’s Encrypt | OpenVPN | SoftEther | MariaDB | Dovecot | Fail2Ban | Grafana | LEMP | LAMP | WireGuard | Redis | Docker • Cloud Tools CyberPanel | Lite Speed | RunCloud | CloudWays | GridPane | Ploi | Plesk | cPanel l Virtualmin | Webmin • Networking Cisco Routing and Switching | Mikrotik | OpenWRT | Generic Router | VPN • Mail Server Setup and Management Postfix | SendMail | Amazon SES | MailWizz | Mandrill | SendGrid | Server Blacklisting and Bounce Management | Sendy | SPF | DKIM | DMARC | MailGun | Sendinblue • Workspace Amazon Workspace | Google Workspace | Office365 | AzureAD | AWS AD | Zoho Workspace | Zoho Mail | Proton Mail | NextCloud | OwnCloud I hold multiple certifications, including: • AWS Certified Solutions Architect – Professional • Microsoft Certified: Azure Administrator Associate • Certified Ethical Hacker (CEH) • AWS Authorized Instructor As a Top Rated Plus Freelancer on Upwork, I have successfully delivered projects involving cloud migrations, infrastructure optimization, DevOps automation, and IT security enhancements for global clients. My passion for learning extends to IoT development and cybersecurity research, with published work on global bandwidth optimization and web-based systems. Let’s collaborate to solve your IT challenges with scalable and secure solutions!OSPFComputer EngineeringEmail Campaign SetupOpenWrtPage Speed OptimizationTechnical SupportGoogle Workspace AdministrationEmail DeliverabilityIT Service ManagementWordPressAmazon EC2VMware ESX ServerLinux System AdministrationAmazon Web ServicesSystem AdministrationOffice 365 - $35 hourly
- 5.0/5
- (135 jobs)
With over 7 years of extensive experience in the email industry, I have worked with businesses to grow their revenue by ensuring their emails land in the inbox. I have helped clients improve their open rates from 8% to 40% within a few weeks. Regardless of the email service used, I can fix your email problems because I understand how email & DNS work and how to maintain a high domain reputation. If your emails aren't reaching the inbox, you're likely missing out on significant revenue opportunities. By using Proven and tested ROI Based strategies, I can take your Email Outreach to the next level by: - Solving Email Deliverability Problems - Email setup in Gmail/Google Workspace/Office 365/Zoho and others - DNS-records setup - SPF, DKIM & DMARC implementation - Warming up domains and emails - Solving delivery issues with software like Sendgrid, Mailchimp, Gsuite, Outlook, and other major ESP providers. - Sending mass emails with outreach software like Lemlist, Instantly, Smartlead, Apollo, Woodpecker, and other major outreach software - Email signature setup - Email migration and tech support - IP blacklist check to check your domain reputation I work with many well-known brands I partner with for clients' benefit, like email deliverability and infrastructure setup. With a focus on Email Marketing, Email setup, and Sales Development, I offer a comprehensive suite of services designed to maximize your success: - Custom Marketing Strategies: Tailored approaches that align with your unique goals and target audience. - Lead Generation: Proven strategies for effective B2B cold email campaigns, generating high-quality leads. - Automated Workflows: Streamlined processes to save time and enhance efficiency. - Campaign Launches: Expert guidance and execution to ensure impactful email campaigns. - A/B Testing: Fine-tuning your campaigns based on data-driven insights for optimal performance. - Domain Setting and Warm-up: Implementation of essential protocols including SPF, MX, DKIM, and DMARC. - Proficiency in Email Platforms: Expertise in Klaviyo, Woodpecker, Mailchimp, Mailshake, SendGrid, MxRoute, Shopify, Snov.io, GSuite, and LinkedIn Sales Navigator. - Deliverability Issue Resolution: Proactive troubleshooting to resolve email deliverability challenges. - Domain Warm-up: Implementing proven techniques to establish optimal email performance. - Data Analysis: Leveraging insights to inform strategic decision-making and campaign optimization. Let's maximize your email reach!OSPFDNSLead Generation StrategyEmail SupportEmail SecurityCold EmailOffice 365Google WorkspaceEmail Platform Account SetupEmail Marketing ConsultationEmail DeliverabilityEmail Campaign OptimizationMailchimpActiveCampaignEmail Marketing StrategyEmail Marketing - $25 hourly
- 5.0/5
- (21 jobs)
Dedicated and highly experienced Network Security professional with 18+ years of proven expertise in designing, implementing, and maintaining robust network and security. Oversee large-scale IT projects, networks, and infrastructures. Outstanding results and complete projects on time. Firewalls: • Sophos UTM, XG and XGS all models, Dynamic routing and XDR. • Fortigate all models, FortiManager, FortiAnalyser., FortiAP, FortiSwitch • Checkpoint Firewall • Cisco Meraki, Cisco Firepower (FMC) Cisco ASA-5515, 5520,5550,5506-x. • Cisco Wireless Access point and WLC. • Cisco ISE • Watchguard all models Dynamic Routing. • Firewall Configuration migration. • Sophos Firewall policy, Dynamic routing, HA, SD-WAN, VPN and other configurations Managing, Troubleshooting. • Fortigate Firewall Policy configuration, Dynamic routing, HA, SD-WAN, External Connectors configuration. Managing, Troubleshooting. • FortiManager. FortiAnalyzer, Fortinet ZTNA & EMS. • Watchguard Firewall Policy, Dynamic routing, UTM, SD-WAN configuration, HA, Managing, Troubleshooting. • Cisco Firewall Policy configuration, VPN, Failover, IPS-IDS Managing, Troubleshooting. • Cisco Meraki MX deployment and troubleshooting. • Cisco Identity Service Engine ISE design and deployment with HA Managing, Troubleshooting. • All Firewall VPN - IPSec, Site-To-Site VPN, SSL VPN. • ManageEngine Endpoint Central implementation and support Routing & Switching • Cisco Routers almost all router including ISR 1000,4000 series Managing, Troubleshooting. • Cisco Switching Catalyst all models, Nexus all models Managing, Troubleshooting. • Routing Protocol - OSPF, EIGRP, and BGP. • NAT, Policy-based Routing, QoS, Traffic shaping. 1:- Send me an invite 2:- Lets connect over the call or message. 3:- I will ask you few questions for your requirements 4:- Will provide you exact plan for your goal with expected duration 5:- After agree on all points and looks good we can execute the plan Just click on Invite button and let's work together. #SDWAN #Fortinet #Fortigate #PaloAlto #DNACenter #SDN #ISE #IdentityServicesEngine #Firepower #CiscoUmbrella #EmailSecurityAppliance #WebSecurityAppliance #CloudWebSecurity #ciscoasa #Meraki #Stealthwatch #ManageEngine #Sophos #Watchguard #VPN #ASA #Telepresence #IPCameras #ASR1K #ASR9K #NexusSwitches #PrimeInfrastructure #IPTelephony #NetworkDesigning #Monitoring #SecurityInfrastructure #Acronis #ArcserveOSPFNetwork ArchitectureCisco UCSServer VirtualizationInformation SecurityCisco MerakiARCserveFortinetSophos Sophos UTMNetwork DesignWeb Application FirewallCybersecurity ManagementNetwork SecurityCisco ISECisco ASAFirewall - $40 hourly
- 5.0/5
- (19 jobs)
Expert in Mikrotik, Ubiquity, gained from working in a WISP/ISP environment. Hands-on different types of gear: Meraki, Radwin, SAF, Netonix, Cambium, Mimosa. Hands-on different monitoring systems: Zabbix, PRTG, UNMS, DUDE. Planning, configuring and troubleshooting different sizes and types of networks.(Wired and Wireless)OSPFCustomer ServiceTechnical SupportWiFiMikrotik RouterBOARDWireless Network ImplementationOpenVPNMikroTik RouterOSVirtualizationNetwork EngineeringVirtual LANUbiquitiNetwork AdministrationInternet Protocol SecurityVPNNetwork Design - $35 hourly
- 5.0/5
- (51 jobs)
Hello! Thanks for paying attention to my profile! I will help you with pleasure for: Networking: ✅ IP network architecture / design. Network diagram. IP addressing. Documenting. ✅ Vlan setup. ✅ Routing of your network. BGP. OSPF. Uplink setup. RIPE/ARIN talking. BGP AS. ✅ MPLS implementation. Traffic engineering. ✅ Security / Protection of your network. BGP black hole. Firewall. Traps protections. ✅ Monitoring of your network. Get Alert / Notification. ✅ Troubleshooting of your network Linux: ✅ Install, setup your VDS/VPS server. ✅ Install applications. ✅ Docker projects. Cloud Kubernetes. ✅ SQL DB. TiDB deploy. Backup. ✅ Git tools. ✅ Monitoring. Zabbix / Grafana. ✅ VoIP service based on Asterisk. FreePBX. Completed project: ISP/WISP setup from scratch ( around 1000 users ). Authorisation service. Mikrotik Hotspot. Captive portal. Uplink failover. Freeradius3 deploy. Asterisk/FreePBX deploy (making dialplan). Migration web application to docker/kubernetes. Talking / requests to Ripe/Arin to get IP prefixes. Setup BGP policy for traffic routing (BGP options). A lot fix of configuration on different devices. Equipment: Juniper / Mikrotik / Zyxel / Ubiquiti Certification. Extra skills: IoT automations (mqtt, homeassistant) Best regards I am glad to help your project!OSPFNetwork MonitoringDockerSystem AdministrationAsteriskNetwork DesignWiFiInformation Technology OperationsJuniperLinux System AdministrationFirewallNetwork EngineeringNetwork EquipmentVoIP AdministrationMikrotik RouterBOARDFreePBX - $134 hourly
- 5.0/5
- (31 jobs)
As a dedicated father, husband, and business owner, I am a technology leader with over 20 years of experience in driving innovation and business growth. My passion lies in leveraging my curiosity, technical expertise, and business acumen to solve technology challenges for businesses. Known as the "MacGyver of Tech," I thrive on problem-solving and innovation, bringing a unique blend of engineering, disruptive technology design, and data science to every project. I have significant experience working with companies and teams of all sizes, consistently leading IT initiatives that enhance operational excellence and cost-effectiveness. As an expert in Artificial Intelligence with extensive experience in ChatGPT, I specialize in helping companies organize, formalize, fundraise, and execute rapid growth strategies. My ability to bridge the gap between technology and business enables me to foster innovation and deliver tangible results. I am always eager to connect with like-minded professionals and explore opportunities to collaborate on transformative projects. My personal specialties include: AI, email deliverability (MX, SPF, DKIM, DMARC, TXT), mobile app development (iOS, Android), technology consulting, CRM (Hubspot, Salesforce) builds, business analysis, operations, email marketing, lead generation, and product development launches.OSPFArtificial IntelligenceEmail DeliverabilityIT ConsultationComputer NetworkMicrosoft Hyper-V ServerVMWareAPIInformation SecurityCRM SoftwareCompany PolicyLeadership SkillsWindows ServerMicrosoft AzurePHP - $55 hourly
- 4.9/5
- (136 jobs)
Cisco Certified CCNP - Enterprise, CCNP - Security, and CCNA Cyber Ops and Experienced IT, Network, Security Specialist skilled & I have more than ten years of experience with following, - Assist in planning, design, documentation, and implementation of Network, Security, and System infrastructure - Hands-on experience with configuration administration of Cisco, Meraki, HP, Dell, Ubiquiti, routers, switches, and network devices and Cisco ASA, Fortinet, SonicWall, PaloAlto, pfSense, OPNsense firewall devices - TCP/IP, Routing and Switching Protocols RIP, EIGRP, OSPF, BGP, GLBP VRRP, HSRP, VLANS, STP, VTP, ACL, Security features - IP Sec site to site and remote access VPN on Ubiquiti Unifi, Fortigate, SonicWall, PaloAlto, pfSense, OPNsense firewalls, AWS, Azure, GCP cloud services, and Strongswan, Openswan and Libreswan as well - Familiar with security platforms such as IPS, IDS, Web Security Appliance, Email Security Appliance, and Cisco ISE - Familiar with VOIP platforms such as FreePBX, Grandstrem, etcOSPFCisco IOSCisco RouterUbiquitiPfSenseCisco Certified Network ProfessionalVPNWireless Network ImplementationFirewallPalo Alto FirewallsNetwork MonitoringNetwork SecurityCisco ASAFortinetGrandstreamDNS - $45 hourly
- 4.1/5
- (3 jobs)
I am a Cisco professional with an experience up to 12 years as a senior network engineer in an enterprise level campus as a full-time senior network engineer, and in afternoon as a part-time Cisco instructor, which make from me have both the knowledge and experience to help you ,moreover I have a master degree in communication and electronics engineering so if you need a help then you may drop me a message, thanksOSPFCisco Certified Network ProfessionalCisco RouterTechnical WritingWireless Network ImplementationCisco Certified Network AssociateCisco Certified Design ProfessionalCisco IOSWiresharkWireless SecurityCisco Certified Design Associate - $80 hourly
- 5.0/5
- (509 jobs)
Highly Responsive | cPanel Certified | 10+ Years of Professional Expertise in Web & Email Hosting Certified cPanel Technician with over 10 years of professional experience in providing Technical Support, System Administration, WordPress Support & Email Deliverability Support. I'm always more than happy to consult on an issue you're encountering, please feel free to drop me a message and we can chat. Happy to jump on a Zoom call and discuss any specifics as needed. Key Skills & Expertise: • cPanel/WHM • Domain Registrations, Renewals & Suspensions • DNS / Nameservers • DNS Migrations & Planning • PTR / rDNS • Google Workspace & Office365 Email Setup • Email Deliverability • Email Authentication (DKIM, SPF, DMARC & BIMI) • IMAPSync • WordPress Migrations • WordPress Troubleshooting • CloudFlare Setup • SSLs (including CSR & Private Keys & .pfx) • Linux, CentOS, CloudLinux, Ubuntu, AlmaLinux I've helped clients on some of the following hosts/providers - GoDaddy, Bluehost, WPEngine, Wix, Siteground, Shopify, Mailchimp, AWS, Klayvio, Mailgun, Instantly, Sendgrid, Apollo, Softr.io, Cloudways, Lightsail, Google Domains, 123-Reg, Krystal, SquareSpace, Knownhost & Many more. I pride myself on being direct, upfront, and always striving to provide the highest level of support to my clients. Should you have any questions or concerns, I will go above and beyond to help you and ensure your project runs smoothly. Please don't hesitate to reach out for assistance or further information about my services.OSPFEmailGoogle WorkspaceDomain NameDomain MigrationWeb Host ManagerEmail DeliverabilityCloudflareDNSWordPress MigrationWordPress BackupcPanelWeb HostingWordPressLinux System AdministrationEmail Support - $95 hourly
- 4.6/5
- (339 jobs)
I have 15+ years experience and I will save you time & money with my meticulous work & advice for going forward. I've worked for individuals, businesses, startups and 501(c)(3) non-profits. Skills and experience include: • All aspects of WordPress, including PHP, jQuery, HTML and CSS, Genesis and custom themes, Bootstrap CSS and Javascript, and custom fields and functions. • WooCommerce and Stripe, PayPal and other payment systems. • Cloudflare: security, DNS, WAF rules and SSL configurations. • Advanced Custom Fields (ACF) for custom themes and content input. • Site and server speed optimizations using GTMetrix and Google's PageSpeed as benchmarking tools. • SPF, DKIM and DMARC record configurations to ensure email deliverability for email providers such as Google Workspace and Office 365. • Domain verification and DNS records for third-party email services such as Constant Contact, MailChimp, Hubspot, AWeber, Market, Klaviyo, Keap/Infusionsoft and more. • Setup and configurations for SMTP services such MailGun, Mandrill, SendGrid and more. • Technical SEO: Yoast and All in One SEO, XML sitemaps and the Google Search Console and Analytics. • Linux server administration (Ubuntu, AlmaLinux, Debian): Apache Nginx Litespeed, MySQL/MariaDB, PHP configurations, security and performance, Let's Encrypt SSLs. • Paid Memberships Pro setup and customizations. • Web hosts: WP Engine, Linode, Cloudways, Digital Ocean, Liquid Web, Kinsta, Pantheon (git), Flywheel, Pressidium and Amazon AWS. • Migrations from Joomla, ExpressionEngine, Drupal, phpBB, Hubspot, TypePad, Movable Type, Blogger, Wild Apricot, and migrations from "plain" PHP & MySQL sites. • Mastodon server setup, configurations and scalability. Stack Overflow profile: stackoverflow.com/users/85385/markratledge WordPress Development profile: wordpress.stackexchange.com/users/268/markratledgeOSPFHTML5Database OptimizationPHPCloudflareWordPressInternet SecurityTheme CustomizationWooCommerceLinux System AdministrationFirewallMySQLPage Speed OptimizationUbuntuLinux - $75 hourly
- 4.9/5
- (402 jobs)
🥇UPWORK EXPERT-VETTED🥇 I’m a Network and Security Engineer/Architect with 17+ years of experience and an Expert Vetted Freelancer on Upwork with 14,000+ hours. I specialize in high-quality solutions for complex networking and cloud infrastructure challenges. ✅Enterprise Vendors: Cisco, Juniper, Mikrotik, Arista, Dell, Brocade, Palo Alto, Mellanox, , Unifi, Motorola/Cambium, Aruba, Cumulus, Fiberstore, VyOS ✅Firewalls: Sophos, Zyxel/Zywall, Fortinet/Fortigate, PFSense/OPNSense, Untangle etc ✅Broadband: Netonix, Huawei, DSLAM, OLT/ONT ✅Advanced Networking Solutions: Routing,Switching, VPNs, Emerging Technologies and Network Planning and Architecting. ✅Linux: Ubuntu, Fedora, Debian, Centos ✅Virtualization: Hyper-V, ESXI, Proxmox ✅Monitoring: Fastnetmon, PRTG, GOBGP, Cacti, Librenms, Phpipam, Netbox ✅Cloud: AWS, Azure, Vultr ✅Cisco and Juniper Certified (8 Certifications) Offering maintenance services on a weekly or monthly retainer.OSPFJuniperNetwork ArchitectureNetwork PlanningNetwork DesignCiscoSophos Sophos UTMPfSenseMikrotik RouterBOARDSecurity EngineeringNetwork EngineeringUbiquitiVPNNetwork EquipmentNetwork SecurityFirewall - $34 hourly
- 4.9/5
- (159 jobs)
Could you please inform me if you are seeking assistance in resolving email delivery issues? I am an experienced Email Delivery specialist with a proven track record of effectively addressing delivery issues, including emails ending up in spam folders and enhancing domain reputation. Leverage my strategy, crafted from years of invaluable experience! Why Me? ✔ Email Deliverability ✔ Strategies for Effective Email Marketing ✔ Email Campaign Management ✔ Proficient in email marketing platforms including MailChimp, Sendinblue, Constant Contact, and Sendblaster. ✔ Integrations with Paubox, ActiveCampaign, SendGrid, Mailgun, and other email marketing platforms. ✔ Enhancing domain reputation through seamless inbox integration via Warmup Inbox, along with Smartlead and Apollo for immediate results. ✔ Configuration and Verification of Sender Email DKIM, DMARC, SPF domain management ✔ Configuring your domain with email platforms such as Office 365, Google Workspace, or Zoho. ✔ If you're looking to migrate your email hosting from cPanel to a different provider, just send me a message! ✔ I am consistently here to provide exceptional service and support. ✔ Guaranteed 100% Inbox Delivery - Your Satisfaction is my Promise!OSPFMicrosoft OutlookEmail SecurityTechnical SupportGoDaddyEmail SupportMail Server ImplementationSpamAssassinGoogle Workspace AdministrationDNSEmail DeliverabilityGoogle Cloud PlatformHTML NewsletterEmail Platform Account SetupCampaign Management - $98 hourly
- 4.8/5
- (83 jobs)
Current Certifications: * CCENT ( Cisco Certified Network Technician ) * CCNA (Cisco Certified Network Admin (Routing & Switching)) * CCNP (Cisco Certified Network Professional (Routing & Switching)) * CCNA-SECURITY (Cisco Certified Network Security Admin) * SECURITY+ CE (CompTIA Certified SECURITY) * CEH (Certified Ethical Hacker) I am a Sr. Network and Security Engineer (SME) with expertise in Cisco Network Engineering and Cyber Security Engineering with year of I.T. experience managing private and government enterprise networks and Cyber security Network environments for large and small businesses . I have over 18+ years total experience as a lead Sr. network engineering SME as my foundation , and 9 yrs experience in Cyber Network Security infrastructure , design, configurations, troubleshooting, Cyber threat hunting. Also upgrading enterprise networks and security infrastructures for private companies , government organizations , including large and small business Networks and information systems. These skills include SME experience in Cisco Routing and Switching, ASA Firewalls, Palo Alto, Pfsense , VPNs, F5 Load balancer, WLAN, VoIP, and Cyber Security tools and SIEMS and Network Scanning, Windows Server, and WiFi networks.OSPFVMWareCisco CallManagerSystem ConfigurationVoIPEthical HackingCisco Certified Network ProfessionalCisco Certified Network AssociateCisco RouterCisco ASAVPNFirewall - $68 hourly
- 5.0/5
- (315 jobs)
📧 Stop sending your cold/marketing/genuine emails to SPAM! Ask me and we'll deliver them right to inboxes! 📨 10% open rate and 13% bounced in your cold email campaign? Damn it! Text me your message and we'll get a 50%+ open rate and less than 1% bounced. Email Marketing and Sales development is my area of focus; developing - Custom Marketing Strategies, - Lead Generation, Cold email B2B campaigns - Automated Workflows, - Campaign Launches, - A/B Tests, - Domain setting and warm up, SPF, MX, DKIM, DMARC - Klaviyo, Woodpecker, Smartlead, Instantly, Mailchimp, Mailshake, SendGrid, MxRoute, Shopify, Snov.io, GSuite, LinkedIn Sales Navigator, AWS SES - Deliverability issues solving, - Appointment setting, - GDPR/CCPA consulting, - Zapier integrations - Domains warm-up and more! 8 years of total sales and marketing experience; including extensive experience in email marketing, social media management, and copywriting. Adobe Creative Suite & HTML proficient.OSPFSalesEmail DeliverabilityLinkedIn DevelopmentCover Letter WritingResume WritingSales StrategyMarketing AutomationEmail MarketingKlaviyoLead GenerationEmail Campaign Setup - $45 hourly
- 5.0/5
- (459 jobs)
Are you looking for someone to solve Email Delivery related issues? I'm professional and experienced Email Delivery expert solve delivery related issues like Email going into spam folder, domain reputation etc... Take advantage of my strategy developed with years of experience! Why Me? ✔ Email Deliverability ✔ 100% Inbox Delivery Satisfaction Guaranteed ✔ Email Marketing Strategies ✔ Email Campaign Management ✔ DKIM, DMARC, SPF domain management ✔ Expertise on Email Platform like MailChimp, Sendinblue, Constant Contact, Sendblaster ✔ Sender Email configuration & Verification ✔ Domain Configuration with Email Platform ✔ Manage Domain Reputation ✔ Stellar Service & SupportOSPFSystem AdministrationEmail SupportDomain NameGmailEmail Spoofing DetectionZoho PlatformMail Server ImplementationGoogle Cloud PlatformDNSWeb HostingDomain TestingGoogle Workspace AdministrationEmail Platform Account SetupEmail DeliverabilityMultiple Email Account Management - $30 hourly
- 5.0/5
- (145 jobs)
Managing various application of Linux/Unix environments. ✔️ Linux:- CentOS | Ubuntu | Debian | Redhat ✔️ Apache | Nginx | LiteSpeed | MySQL | PhpMyAdmin | CWP | WHM | cPanel ✔️ Deployments:- LAMP | LEMP | Node.js | Python | Tomcat | JBoss | RoR ✔️ CMS:- Wordpress | Drupal | Joomla | Mediawiki | Moodle ✔️ Email Servers:- Zimbra | Postfix | Mail-in-a-box | modoboa ✔️ Google GSuite | Microsoft 365 Admin | Sendgrid | AWS SES ✔️ Networking/Firewall | PfSense | IPFire | OpenVPN ✔️ DNS | NFS | SAMBA| FreeNAS ✔️ DevOps | CI/CD | Jenkins | Ansible | Git ✔️ Containerisation | Docker |Kubernetes ✔️ FreePBX | Digium VOIP System ✔️ Cloud Platform | AWS | Linode | DigitalOcean | Azure | GCP ✔️ VMware | vSphere (vCenter, ESXi) | VirtualBox | KVM | QEMU ✅ I offer 1 hour of free work to let you try and taste the quality. No strings attached. I am glad to look into your project before we start. Just invite me to a job and i would gladly try making this work. That's because i am interested in long term collaboration.OSPFWeb Host ManagerSSHPleskcPanelWeb HostingInternet SecurityLinux System AdministrationSystem AnalysisLAMP AdministrationAmazon EC2Network AdministrationSystem AdministrationNGINXPythonAmazon Web Services - $80 hourly
- 5.0/5
- (74 jobs)
"One of the best services I got in the past 20 years. Super professional and knowledgeable. Much experience. Remarkable communication skills. Attentive immediately when I needed to. Solved 100% of my problems and gave me ideas for new directions. My business is growing thanks to him. Thank you, Jure" Do you have a crazy idea about a new device, sensor, wearable, or microcontroller in eHealth, Industry, Logistic, or Research? And you do not know if it is doable, how to start it, or what are possibilities? Yes, the Internet of Things world is strange. How about investing in a short consulting hour call with me? I will answer your questions, and I am competent to say that your idea won't work, but also suggest an alternative. My motto is "Fail fast without big consequences, learn something, repeat, succeed!" A resourceful, creative, passionate and highly driven individual with communication and project skills and out-of-the-box thinking. Keen on solving unique tasks. I come from a highly technical background (BSc in IT). I’ve been the owner and the CEO of various IT companies, which is how I started working in management and business development. I am still an ongoing PhD candidate in business and management. Multi-awards winning project/team leader and IoT consultant. Most of these consisted of proofs-of-concept (POC), prototypes, mobile apps and back-ends for IoT, Industry 4.0, healthcare (eHealth, telehealth, telemedicine), SmartCity, AAL, SmartHome with sensors (acc, ECG, GPS, environmental), beacons, controllers, wearables (smartwatches and smart-bands) and embedded systems (Raspberry PI, Arduino, ESP32), using WiFi, Bluetooth (BT, BLE, BLE Mesh), LoRaWAN, NB-IoT in several big EU funded R&D and other commercial projects. Eurostars Eureka IoT evaluator. Solutions: - SandBox.engineering - SandBox is OT and IT IoT Engineers’ Swiss Army Knife. It provides a controlled learning, testing, and experimentation environment, enabling users to acquire domain expertise and confidently evaluate different vendor solutions. - IoTool.io - the multi-awards winning IoT solution and a platform incorporating Client / Dashboard / Gateway / Cloud / API all on the Smartphone, supporting more than 100 different devices using Bluetooth. - IoChat.io - the highly secured, self-deployed in-premises text, audio, video chat, screen and file sharing WebRTC solution used in hospitals and nursing homes, for patient and doctor communication or as a general-purpose video conferencing system, easily integrated into any platform, - IoTconcept.team - fast agile IoT prototyping, - CrowdSensing.mobi - the smartphone platform used by a large, spread-out group of participants to collect and receive reliable data from the field. I have a fairly unique skill-set that will help your business by combining your needs and wishes (product and IT) with your business end. Sometimes, I wasn't smart enough to know that I couldn't do it, so I did it. 😊OSPFAndroid App DevelopmentCore BluetoothFirmware ProgrammingHealthcare ITConcept DesignPCB DesignMicrocontroller DesignResearch & DevelopmentWebRTCReact NativeMobile App DevelopmentInternet of ThingsBluetoothWearable TechnologyPrototyping - $30 hourly
- 5.0/5
- (5 jobs)
Are you seeking a seasoned professional with a wealth of experience in Information and Communication Technology (ICT), IT infrastructure, and cutting-edge systems and network technology? Look no further! With 6 years of hands-on experience in the field, I bring a deep understanding of the complexities and nuances of modern IT landscapes. My expertise spans a wide range of areas within ICT, including: Network Infrastructure: Designing, implementing, and maintaining robust network architectures tailored to the unique needs of diverse organizations. From LAN and WAN setups to VPNs and cloud networks, I excel in optimizing network performance and security. Systems Administration: Proficient in managing various operating systems (Windows, Linux, Unix) and server platforms, ensuring seamless operation and maximum uptime. From initial setup and configuration to ongoing maintenance and troubleshooting, I deliver reliable solutions that meet business objectives. Cybersecurity: Adept at implementing robust security measures to safeguard sensitive data and mitigate cyber threats. My comprehensive approach includes risk assessment, vulnerability management, firewall configuration, and incident response to fortify defenses against evolving security risks. Cloud Computing: Skilled in leveraging cloud technologies (AWS, Azure, Google Cloud) to enhance scalability, flexibility, and cost-efficiency. Whether migrating legacy systems to the cloud or developing cloud-native solutions, I leverage the latest tools and best practices to drive digital transformation. ICT Consulting: Trusted advisor to businesses seeking strategic guidance on ICT initiatives. I offer tailored solutions aligned with organizational objectives, helping clients navigate complex technology landscapes and make informed decisions that drive growth and innovation. My commitment to excellence, paired with a passion for staying abreast of emerging technologies, enables me to deliver results that exceed expectations. Whether you're looking to streamline operations, optimize infrastructure, or enhance security, I have the skills and expertise to help you achieve your goals. Let's collaborate to unlock the full potential of your IT environment and propel your business forward. Reach out today to discuss how I can support your ICT and IT initiatives!OSPFHelpdeskVoIP AdministrationISO 27001Information SecurityIT InfrastructureITILBarracuda Networks SignNowCloud Management SoftwareCloud ComputingIT SupportSystem AdministrationNetwork Operating SystemIT ManagementNetwork AdministrationCisco Certified Network Associate Want to browse more freelancers?
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