> Markdown version of [/jobs/ext/524015-f5-systems-engineer-ts-sci-w-polygraph](https://www.wearedevelopers.com/jobs/ext/524015-f5-systems-engineer-ts-sci-w-polygraph). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # F5 Systems Engineer - TS/SCI w/Polygraph - **Company:** General Dynamics Information Technology - **Location:** Annapolis Junction, MD, United States - **Experience:** Expert - **Salary:** $128,039.0 - $173,229.0 - **Contract:** Permanent contract - **Skills:** IEEE 802.1X, Systems Engineering, Border Gateway Protocol, Cyber Security, Computer Networks, Data Centers, Dynamic Host Configuration Protocol, Disaster Recovery, Domain Name System (DNS), Multi-protocol Systems, Network Security, Network Troubleshooting, Routing, Open Shortest Path First (OSPF), Tcl (Programming Language), TCP/IP, VMware Infrastructure, Virtualization Technology, BIG-IP Local Traffic Manager (LTM), Information Technology - **Published:** June 4, 2026 - **Apply:** https://dejobs.org/x/x/A46D0E6B493A49D88FD93652575E1474/job/ ## About the Role Complex Systems,Information Technology (IT),Systems Design Experience: 8 + years of related experience, Active TS/SCI clearance with CI polygraph Education: Bachelor of Science Degree, or a related technical discipline, or the equivalent combination of education, technical certifications or training, or work experience. Must have the F5 201 certification or obtain the certification within 3 months of hire date Must meet DoD 8570 IAT Level II requirements including one of the following: Security+ CE, CND, SSCP, GSEC, GICSP, CySA+, or CCNA Security. 7+ years of relevant F5 experience with F5 LTM, ASM, BIG-IQ, and/or APM administration and life cycle management including experience with advanced iRule creation and troubleshooting Demonstrates knowledge of a broad range of technology towers i.e.: Storage, Virtualization, Intel, Networking, Data Center Migration and Disaster Recovery Experience deploying, managing, and troubleshooting network systems, switching, and routing protocol standards such as: TCP/IP, MPLS, OSPF, BGP, SDN, and 802.1x. Experience managing and troubleshooting DNS, DHCP, IPAM, and NTP in a large multi-site environment Knowledge of risk and controls landscape, ensuring company-wide standards are met ## Description GDIT is your place. Make it your own by discovering new ways to apply the latest technologies securely and expertly. By owning your opportunity at GDIT, you'll become a critical part in how we successfully solve our clients' biggest challenges, deliver on promise, and innovate the client's physical/virtual infrastructure for the future. Our work depends on an F5 Engineer joining our team to support Government activities in Sterling, VA or Annapolis Junction, MD. At GDIT, we foster a people-focused and customer-centric environment in delivering Network Engineering Services. As an F5 Engineer supporting the Government, you will be responsible for traffic management, F5 Local Traffic Manager, F5 Global Traffic, Tool Command Language (TcL), and more. In this role, a typical day will include: * Manages the configuration on multiple physical and virtual F5 across multiple data centers * Participates in the development and support of customer technical requirements * Plans, designs, develops, implements, and operates F5 products such as LTM, ASM, BIG-IQ, and APM * Provides clear technical documentation and written procedures for issues identified and addressed * Proposes and implements system enhancements that improves the performance and reliability of the network security infrastructure * Monitors and troubleshoots platform and OS based problems: network security infrastructure, and connectivity issues * Performs launch testing for new software releases and the introduction of new features * Collaborates with different technology towers to achieve common goals * Applies capacity planning configuration changes as needed * Addresses performance, scalability, and service architecture administration issues * Coordinates equipment orders including physical or virtual appliances, as well as upgrading, monitoring, testing, and servicing the systems as needed ## Related Videos - [An Applied Introduction to eBPF with Go](https://www.wearedevelopers.com/videos/1075-an-applied-introduction-to-ebpf-with-go) - [Creating a routing app with Google Maps API from scratch](https://www.wearedevelopers.com/videos/831-creating-a-routing-app-with-google-maps-api-from-scratch) - [What makes Cybersecurity different for critical infrastructure?](https://www.wearedevelopers.com/videos/571-what-makes-cybersecurity-different-for-critical-infrastructure) - [Turning Container security up to 11 with Capabilities](https://www.wearedevelopers.com/videos/718-turning-container-security-up-to-11-with-capabilities) - [Security Pitfalls for Software Engineers](https://www.wearedevelopers.com/videos/726-security-pitfalls-for-software-engineers) - [A Technical Introduction to Bitcoin's 2nd Layer- The Lightning Network](https://www.wearedevelopers.com/videos/15-a-technical-introduction-to-bitcoin-s-2nd-layer-the-lightning-network) ## Related Articles - [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) - [Best Coding Boot Camps in Germany](https://www.wearedevelopers.com/magazine/237-best-coding-boot-camps-in-germany) - [Dev Digest 134 - Where pixels sing?](https://www.wearedevelopers.com/magazine/477-dev-digest-134-where-pixels-sing) - [What Are The Top Skills Required For Azure Developers?](https://www.wearedevelopers.com/magazine/77-what-are-the-top-skills-required-for-azure-developers) - [7 Important Tips That Every Software Developer Should Know](https://www.wearedevelopers.com/magazine/101-7-important-tips-that-every-software-developer-should-know)