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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Network Engineer SME (TS/SCI with Poly Required) - **Company:** GCI, Inc. - **Location:** Reston, VA, United States - **Experience:** Expert - **Salary:** $164,382.0 - $274,518.0 - **Contract:** Permanent contract - **Skills:** Border Gateway Protocol, Cloud Computing, System Configuration, Multi-Factor Authentication, Enhanced Interior Gateway Routing Protocol, Networking Hardware, Internet Protocol Security (IP SEC), Virtual Private Networks (VPN), Network Architecture, Network Monitoring, Open Shortest Path First (OSPF), Remote Access Technology, Software Engineering, Wide Area Networks, Network Routing, Network Routers, Any Transport over MPLS, Firewalls (Computer Science), Juniper, Computer Equipment, Data Analytics, Cyber Warfare, Cisco - **Published:** July 18, 2026 - **Apply:** https://www.clearancejobs.com/jobs/9039763/network-engineer-sme-tssci-with-poly-required ## About the Role * Experience in IPSec site-to-site VPN * Experience in Remote access VPN * Experience configuring, designing, maintaining, and troubleshooting LAN/WAN devices * Thorough understanding of network routing concepts (EIGRP, OSPF, BGP, IP MPLS) * Basic understanding of QoS concepts * Experience with network monitoring technologies * Expertise in deploying Cisco, or Juniper firewall Manager servers * Experience engineering and deploying cloud-based and on-prem network firewall solutions * Experience designing, engineering, and deploying controlled interfaces * Ability to take customer requirements or problems and convert them into technical solutions * Ability to partner with systems administrators to solve complex problems * Complex problem management research and issue resolution DESIRED QUALIFICATIONS * Experience configuring, designing, and troubleshooting QoS in LAN or WAN devices * Experience design, engineering, and deploying Multi-Factor Authentication solution *A candidate must be a US Citizen and requires an active/current TS/SCI with Polygraph clearance., Preferred BA/BS or better. Experience Required 10 years: Demonstrated work related experience. ## Description GCI embodies excellence, integrity and professionalism. The employees supporting our customers deliver unique, high-value mission solutions while effectively leverage the technological expertise of our valued workforce to meet critical mission requirements in the areas of Data Analytics and Software Development, Engineering, Targeting and Analysis, Operations, Training, and Cyber Operations. We maximize opportunities for success by building and maintaining trusted and reliable partnerships with our customers and industry. At GCI, we solve the hard problems. As an Expert Network Engineer, a typical day will include the following duties, * Designs and plans network communications to include on-prem and cloud-based systems * Provides specifications and detailed schematics for network architecture * Plans implementation of enhancements and security upgrades to the network * Conducts hands-on setup, configuration, testing, and troubleshooting of on-site network infrastructure * Conducts testing of network infrastructure using industry practices * Monitors network hardware and virtual (cloud) device operations to ensure properly functioning networks and capabilities * Advises network users of hardware needs, configurations, and limitations * Provides troubleshooting assistance and guidance to other team members as well as end users of the network(s) * Provides detailed recommendations for hardware and software selection, implementation techniques, and tools * Provides technical expertise in all areas of network and computer hardware and software interconnection and interfacing, such as routers, switches, firewalls, bridges, gateways, etc. * Evaluates and reports on changing or end of life technologies to ensure capabilities of the network remain up to date and secure ## 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) - [What makes Cybersecurity different for critical infrastructure?](https://www.wearedevelopers.com/videos/571-what-makes-cybersecurity-different-for-critical-infrastructure) - [Small, Secure, Interconnected: The next Internet Protocol](https://www.wearedevelopers.com/videos/100062-small-secure-interconnected-the-next-internet-protocol) - [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) - [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) ## Related Articles - [What Are The Top Skills Required For Azure Developers?](https://www.wearedevelopers.com/magazine/77-what-are-the-top-skills-required-for-azure-developers) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [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) - [9 Ways to Make Money Hacking](https://www.wearedevelopers.com/magazine/333-9-ways-to-make-money-hacking) - [System change: restart as developer?](https://www.wearedevelopers.com/magazine/39-system-change-restart-as-developer)