> Markdown version of [/jobs/ext/2626117-network-engineer-it-sr-cleared-onsite-manassas-herndon](https://www.wearedevelopers.com/jobs/ext/2626117-network-engineer-it-sr-cleared-onsite-manassas-herndon). 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). --- # Network Engineer - IT, Sr / Cleared / Onsite - Manassas/Herndon - **Company:** Lockheed Martin - **Location:** Manassas, VA, United States - **Experience:** Expert - **Salary:** $95,900.0 - $178,100.0 - **Contract:** Permanent contract - **Skills:** IP Addressing, Local Area Networks, Network Architecture, Network Planning and Design, Wireless Security, Routing, Peer-To-Peer (P2P), TCP/IP, Wireless Networks, Network Switches, Network Routers, Multiplexers, Firewalls (Computer Science), Computer Equipment, Information Technology, Performance Monitor, National Industrial Security Program Operating Manual (NISPOM), Cisco - **Published:** August 29, 2026 - **Apply:** https://www.careerjet.com/job/usa6059c61f02a6b0582a98af17875b544/eaa ## About the Role Hands on exposure and experience related to networking and fault isolation Installation and configuration of Cisco and/or Brocade network switches and routers Hands on experience with routing and switching Hands-on experience and knowledge of Type 1 network encryption Candidate must have a minimum of 3 years' experience supporting network infrastructure Familiarity with TCP/IP, IP configuration, peer-to-peer networking and IP addressing and subnetting. Must be able to lift 35 pounds Must be able to walk and stand for extended periods of time Knowledge of Cat5/6 wiring The ability to lead projects to completion Candidate must be able to support a rotational 24x7 on-call support model with the ability to be on site within one hour Knowledge of DoD security standards, policies, and procedures TS/SCI eligible ## Desired Skills TS/SCI Cleared CCNA and/or CCNP certification Experience with DoD SIPRNet General Dynamics TACLANE NSA Type 1 Encryptor experience Knowledge of the National Industrial Security Program Operating Manual (NISPOM), JFAN and JSIG Installation and configuration firewall experience Proven excellent written and verbal communications skills Candidate should have the ability to successfully work autonomously ## Description This position is within the Lockheed Martin Enterprise Business and Digital Transformation (EBDT) Classified IT Transformation organization. It is chartered with transforming IT delivery to Classified programs and environments. If you are looking for your next challenge in a fast- paced, innovation-oriented group, look no further! Lockheed Martin recognizes the tremendous opportunity for significant advancement in the way Classified IT services are delivered to our Business Area partners. These improvements will ultimately enable Lockheed to build better products faster in support US Department of Defense mission. In acknowledgement of this opportunity, the Classified Transformation organization and leadership structure have been put in place, along with significant investment to drive positive changes to both transform and standardize Classified IT delivery. Lockheed Martin is seeking a driven and dedicated team member to support both Manassas and Herndon Lockheed Martin locations. Your experience and expertise will contribute to information technology with a growth mindset mentality, and willingness to learn and acquire skills over time. Your support of the customer demonstration and Lab environment will not only be your greatest asset, but ours as well. You will be a key contributor, providing coaching and knowledge transfer to other team members to assist with skill building over time. The selected candidate will join the Classified IT Transformation team, as a Network Administrator ensuring that the Lockheed Martin networks and IT systems are managed, controlled, and updated in a manner consistent with Lockheed Martin policies and procedures. This includes supporting routine updates, major upgrades, and on-going maintenance and support of the network switches, wireless network and LAN routers including both Classified and Unclassified networks. Overall responsibilities include but are not limited to: The support of Type 1 encryption systems and performance monitoring of the classified network infrastructure, supporting break/fix incidents and supporting various project work within both campuses and remote facilities. Position includes the remediation of vulnerabilities by adhering to customer operating regulations, best practices with supporting documentation of all managed and controlled network assets. This role utilizes troubleshooting skills to provide timely and effective solutions to problems as well as developing technical solutions to complex problems which require consistent use of ingenuity and creativity. All work must be performed on-site, including some off-shift hours, weekends, and occasional travel. The position works a 4x10 schedule (Mon-Thurs) but will also support a 24 X 7 weekly on-call rotation schedule. Designs and plans network communications systems. Provides specifications and detailed schematics for network architecture. Provides specific detailed information for hardware and software selection, implementation techniques and tools for the most efficient solution to meet business needs, including present and future capacity requirements. Conducts testing of network design. Maintains technical expertise in all areas of network and computer hardware and software interconnection and interfacing, such as routers, multiplexers, firewalls, hubs, bridges, gateways, etc. Evaluates and reports on new communications technologies to enhance capabilities of the network. ## 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) - [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) - [An Applied Introduction to eBPF with Go](https://www.wearedevelopers.com/videos/1075-an-applied-introduction-to-ebpf-with-go) - [Your Infrastructure Is Not a Playground: AI Agents for Infra Done Right](https://www.wearedevelopers.com/videos/2084-your-infrastructure-is-not-a-playground-ai-agents-for-infra-done-right) - [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) - [Turning Container security up to 11 with Capabilities](https://www.wearedevelopers.com/videos/718-turning-container-security-up-to-11-with-capabilities) ## Related Articles - [Dev Digest 134 - Where pixels sing?](https://www.wearedevelopers.com/magazine/477-dev-digest-134-where-pixels-sing) - [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) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [Best US AI Conferences for CTOs in 2026: Build vs. Buy, Vendor Evaluation, and Peer Intelligence](https://www.wearedevelopers.com/magazine/736-best-us-ai-conferences-for-ctos-in-2026-build-vs-buy-vendor-evaluation-and-peer-intelligence) - [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs) - [Best Paying Jobs in Technology](https://www.wearedevelopers.com/magazine/256-best-paying-jobs-in-technology)