> Markdown version of [/jobs/ext/3073192-systems-network-engineer](https://www.wearedevelopers.com/jobs/ext/3073192-systems-network-engineer). 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). --- # Systems/Network Engineer - **Company:** General Dynamics Information Technology - **Location:** Annapolis Junction, MD, United States - **Experience:** Expert - **Salary:** $164,382.0 - $201,250.0 - **Contract:** Permanent contract - **Skills:** Microsoft Excel, Artificial Intelligence, Systems Engineering, Confluence, JIRA, Network Security, Network Troubleshooting, Microsoft Visio, Network Diagrams, Microsoft PowerPoint, Tripwire, Wireshark, Network Routers, Firewalls (Computer Science), Network Support, Cisco Switches, Cisco - **Published:** September 25, 2026 - **Apply:** https://gdit.wd5.myworkdayjobs.com/External_Career_Site/job/USA-MD-Annapolis-Junction/Systems-Network-Engineer--TS-SCI--w-poly-required-_RQ229159-1/apply ## About the Role A seasoned network engineer with over 20 hands on years' experience preferably in an intelligence community environment. The candidate should have experience with CISCO switches, routers and firewalls, dell and other servers, network laptops, network debug and analysis tools such as Wirehsark and Tripwire. The candidate should also have experience with devices such as Palo Alto, Haipe or other security appliances., * Network security hardening experience * Specific knowledge of CISCO switches, routers and firewalls to include the Cisco 9300 series switches * Demonstrated ability to design and develop rack configurations drawings and network diagrams * Expertise and knowledge of switches, routers, firewalls, security appliances and architectures of network as a service * Network security and network hardening experience in DoW environments * Support for SSP development * Network Troubleshooting + Evaluation of message receiving functions + Assessment of Acks and Nacks + Ability to understand specific functions + Drawing and configuration of racks + Assess if network is configured correctly + Review firewall traffic (use of Packet Tools and Tripwire) + Tools: Wireshark and others + Ability to determine which side of the network problem is from a connection standpoint * Network Requirements Evaluation and developing network diagrams in Visio, PowerPoint and Excel * Physical Network Construction (installation of switches, fiber, cables security devices and more) on SERD for SCS/ESB * Assistance to tamper and concealment group in assessing needs for design and deployed network * HAIPE MTU assessment and review * Fiber installation and removal * Experience with JIRA, Confluence and similar tools Candidate must interact well as an individual contributor or member of a focused team., Bring your technology expertise and drive for innovation to GDIT. The Systems Engineer Sr Principal must have: * Education: HS Diploma * Experience: 10+ years of related experience * Technical skills: Strong Network Experience * Security clearance level: Active TS/SCI w/ Polygraph required * US citizenship required, Years of Experience 20 + years of related experience * may vary based on technical training, certification(s), or degree Certification ## Description Own your opportunity to serve as a critical component of our nation's safety and security. Make an impact by using your expertise to protect our country from threats. ## 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) - [Hacking Kubernetes: Live Demo Marathon](https://www.wearedevelopers.com/videos/488-hacking-kubernetes-live-demo-marathon) - [Improving quality with Agentic AI with Rovo Dev and Xray](https://www.wearedevelopers.com/videos/2005-improving-quality-with-agentic-ai-with-rovo-dev-and-xray) - [What makes Cybersecurity different for critical infrastructure?](https://www.wearedevelopers.com/videos/571-what-makes-cybersecurity-different-for-critical-infrastructure) - [Collaboration Quantified: Lessons from Open Source Developer Networks](https://www.wearedevelopers.com/videos/1422-collaboration-quantified-lessons-from-open-source-developer-networks) - [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) ## Related Articles - [Best Paying Jobs in Technology](https://www.wearedevelopers.com/magazine/256-best-paying-jobs-in-technology) - [Data Engineer Salary UK](https://www.wearedevelopers.com/magazine/253-data-engineer-salary-uk) - [The Most Popular IT Jobs on the Market](https://www.wearedevelopers.com/magazine/376-the-most-popular-it-jobs-on-the-market) - [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) - [Top-Paying Tech Jobs (with Salaries)](https://www.wearedevelopers.com/magazine/372-top-paying-tech-jobs-with-salaries) - [What’s the Difference between a Junior, Mid, and Senior Developer?](https://www.wearedevelopers.com/magazine/238-what-s-the-difference-between-a-junior-mid-and-senior-developer)