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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Network Engineer III - **Company:** TASC, Inc. - **Location:** Annapolis Junction, MD, United States (Remote available) - **Experience:** Expert - **Salary:** $124,800.0 - **Contract:** Temporary contract - **Skills:** Data Analysis, Catalyst (Software), Cisco Routers, Cluster Analysis, Computer Networks, Data Centers, Domain Name System (DNS), Monitoring of Systems, Issue Tracking Systems, Inventory Management Software, IP Address Management, Subnetting, OSI Models, Local Area Networks, Network Architecture, Routing, Network Administration, Cisco Nexus Switches, Server Virtualization, Tcl (Programming Language), TCP/IP, Wireshark, Wide Area Networks, Transport Layer Security, Load Balancing, System Availability, Juniper, Restful APIs, Big Ip, Cisco - **Published:** September 26, 2026 - **Apply:** https://www.careerjet.com/job/usb75d5345ddc539434d5787954ada6113/eaa ## About the Role * 5 years with a Bachelors degree or 9 years with a HS Diploma * 5 years of hands-on experience in the implementation and administration of complex, multi-location, multi-vendor, converged voice/data networks in a geographically distributed environment * Must have in-depth hands-on experience on F5 Load Balancers in real world complex environments * Hands-on experience in administering Cisco routers & switches including but not limited to Nexus 9xxx, Catalyst 9000, Cisco ONS, Cisco ACI and DNA Center. Juniper MX routers and EX switches. Infoblox DDI appliances * Good understanding of network principles and the OSI model * Experience managing networks, internal and external DNS, and the associated IP infrastructure * Experience working in a Data Center * Experience administering and configuring monitoring tools for proactive alerting and trends analysis * Experience in working with support ticketing systems, managing assigned tickets, as well as providing appropriate follow-up * Experience with creating and maintaining documentation * Experience with the use of Data Center inventory management tools * Must be a US Citizen * Must be able to obtain and maintain the required agency clearance ## Description Our client is seeking an F5 Engineer to join our team. In this role, you will be responsible for the implementation, configuration, maintenance, troubleshooting, and optimization of F5 technologies supporting our network infrastructure. You will work closely with network and infrastructure teams to ensure reliable and secure application delivery across the Customers Data Centers and MAN/WAN sites. The ideal candidate is a detail-oriented engineer with strong troubleshooting skills, the ability to manage multiple priorities, and a commitment to maintaining the performance, availability, and security of the network environment. Responsibilities: * Deploy, license, and configure F5 BIG-IP LTM hardware. * Maintain Virtual servers, Pools, Nodes, Custom monitors, and Persistence profiles * Manage SSL offloading, SSL bridging, and secure cipher suite configurations. * Author, optimize, and troubleshoot custom iRules (TCL-based) to handle: o Advanced traffic steering o URI redirects o Header manipulation o Specialized security workarounds * Manage the lifecycle of SSL/TLS certificates, including: o CSR generation o Certificate deployment o Automated renewal cycles on BIG-IP devices * Perform deep-packet and L3-L7 diagnostics for: o Complex application delivery issues o High latency o Routing issues o SSL handshake failures * Utilize advanced tools such as: o Wireshark o tcpdump o F5 iQuery o F5 Analytics * Execute TMOS operating system upgrades, hotfixes, and backup restorations using UCS/SCF configuration archives. * Design and test failover mechanics in High Availability (HA) topologies, including: o Device Service Clustering (DSC) o Active/Standby setups * Utilize F5 iControl REST APIs for programmatic control and monitoring. * Recommend enhancements to improve systems availability and performance. * Offer recommendations for procedural upgrades. * Provide network administration and support for a campus-wide area network infrastructure. * Maintain experience with: o TCP/IP protocol suite o IP subnets and masking o Routing protocols * Work in Local Area Network (LAN) and Wide Area Network (WAN) environments. * Design, configure, and troubleshoot Routing and Switching systems. o Cisco expertise required. * Maintain security and ensure compliance with security policies and procedures. * Provide on-call support for off-hours data center escalations. * Perform regular scheduled out-of-hours maintenance window support. * Maintain and manage network IP address management (IPAM) ## Related Videos - [How Cisco embraced a DevOps culture within its network engineering team](https://www.wearedevelopers.com/videos/99-how-cisco-embraced-a-devops-culture-within-its-network-engineering-team) - [An Applied Introduction to eBPF with Go](https://www.wearedevelopers.com/videos/1075-an-applied-introduction-to-ebpf-with-go) - [Cyber Sleuth: Finding Hidden Connections in Cyber Data](https://www.wearedevelopers.com/videos/893-cyber-sleuth-finding-hidden-connections-in-cyber-data) - [Turning Container security up to 11 with Capabilities](https://www.wearedevelopers.com/videos/718-turning-container-security-up-to-11-with-capabilities) - [Computer Vision from the Edge to the Cloud done easy](https://www.wearedevelopers.com/videos/263-computer-vision-from-the-edge-to-the-cloud-done-easy) - [Debunking the Top 10 Myths about Web 3](https://www.wearedevelopers.com/videos/634-debunking-the-top-10-myths-about-web-3) ## Related Articles - [How We Built a Worry-Free System That Runs for 10+ Years – And What We’d Do Again](https://www.wearedevelopers.com/magazine/751-how-we-built-a-worry-free-system-that-runs-for-10-years-and-what-we-d-do-again) - [Best Paying Jobs in Technology](https://www.wearedevelopers.com/magazine/256-best-paying-jobs-in-technology) - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers) - [Basic And Advanced Networking in Dart and Flutter](https://www.wearedevelopers.com/magazine/112-basic-and-advanced-networking-in-dart-and-flutter) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [The Most Popular IT Jobs on the Market](https://www.wearedevelopers.com/magazine/376-the-most-popular-it-jobs-on-the-market)