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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Network Engineer Principal - **Company:** General Dynamics Information Technology - **Location:** Herndon, VA, United States - **Experience:** Expert - **Salary:** $110,500.0 - $149,500.0 - **Contract:** Permanent contract - **Skills:** Border Gateway Protocol, Cloud Computing, Complex Networks, Cyber Security, Computer Networks, System Configuration, Dynamic Host Configuration Protocol, Domain Name System Security Extensions, Domain Name System (DNS), Firmware, Hypertext Transfer Protocols (HTTP), Virtual Private Networks (VPN), Junos, Network Security, Network Layer, Network Architecture, Network Planning and Design, Network Monitoring, Routing, Network Service, Network Protocols, Open Shortest Path First (OSPF), Remote Access Technology, TCP/IP, Wireless Networks, Diagnostic Tools, Dynamic Routing, Scripting, Computer Networking Systems, Enterprise Software Applications, Cloud Platform System, Reliability of Systems, HybridCloud, Firewalls (Computer Science), Infrastructure Automation Frameworks, Open Network Automation Platform - **Published:** June 10, 2026 - **Apply:** https://dejobs.org/x/x/76EEB349A321433CACA38D2A026F9A7C/job/ ## About the Role Enterprise Network,Network Architecture,Network Engineering,Network Infrastructures, 8 + years of related experience, * Education: High School diploma required * Experience: 8+ years of related experience with a Bachelor's degree; in lieu of Bachelor's degree, an additional four (4) years of experience is required * Strong hands-on experience with enterprise routing and switching * Deep understanding of networking protocols such as TCP/IP, DNS, HTTP/HTTPS, and VPN technologies * Experience operating and troubleshooting dynamic routing protocols such as BGP and OSPF * Experience configuring and maintaining enterprise firewall platforms, VPN connectivity, and network security control * Experience managing DNS infrastructure, including monitoring, security, and integration with enterprise directory services * Experience supporting enterprise wireless and device authentication environment * Experience working within large enterprise or service provider environments * Familiarity with network monitoring and diagnostic tools * Ability to collaborate effectively across infrastructure, cloud, and security engineering teams Preferred skills not required: * Experience with leading enterprise networking platforms such as JUNOS-based systems, Silverpeak SDWAN, BlueCat and Palo Alto Firewalls * Experience with SASE * Experience supporting networking in hybrid cloud environments * Familiarity with network automation, scripting, or infrastructure automation frameworks * Experience contributing to network design documentation and operational standards * Industry certifications in networking, cloud networking, or security disciplines ## Description We are seeking a Network Engineer Principal to join our enterprise infrastructure team supporting a large, complex environment spanning cloud and enterprise network services. This is a hands-on engineering role responsible for implementing, operating, and continuously improving critical network infrastructure that supports enterprise applications, services, and users across hybrid environments. The ideal candidate brings deep experience in enterprise routing, switching, network security, and core infrastructure services . This role focuses on implementing and operating existing network architecture while identifying opportunities to improve performance, reliability, and operational efficiency across the network environment. You will join a collaborative engineering team responsible for maintaining large-scale enterprise networking platforms, including routing, switching, security infrastructure, and foundational network services used by thousands of users and applications. MEANINGFUL WORK AND PERSONAL IMPACT: Operate and improve enterprise network and security infrastructure * Install, configure, and support enterprise network equipment including routers, switches, and core network services * Continuously improve network reliability, performance, and operational efficiency across large-scale deployments * Configure and support enterprise firewall platforms, including access control policies, VPNs, and secure tunnels * Maintain secure network connectivity across internal networks, remote sites, and cloud environments * Maintain network infrastructure through firmware updates and lifecycle management Support routing, switching, and core network protocols * Configure and troubleshoot routing and switching infrastructure across large enterprise environments * Support dynamic routing protocols such as BGP and OSPF * Maintain strong operational knowledge of network layers (L1/L2/L3) and how they impact service delivery Manage foundational network services * Manage enterprise DNS infrastructure, including record creation, monitoring, troubleshooting, and lifecycle management * Support DNS security and protection mechanisms * Maintain integration between DNS, directory services, and DHCP systems Troubleshoot complex network problems * Provide advanced troubleshooting and resolution for complex network performance or connectivity issues * Utilize monitoring and diagnostic tools to identify and resolve infrastructure problems * Participate in incident response, root cause analysis, and operational improvement efforts Collaborate across engineering teams * Partner with cloud, security, and infrastructure teams to support enterprise networking requirements * Contribute to network design documentation, operational runbooks, and engineering best practices * Mentor junior engineers and support knowledge sharing within the engineering organization ## Related Videos - [What makes Cybersecurity different for critical infrastructure?](https://www.wearedevelopers.com/videos/571-what-makes-cybersecurity-different-for-critical-infrastructure) - [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) - [Turning Container security up to 11 with Capabilities](https://www.wearedevelopers.com/videos/718-turning-container-security-up-to-11-with-capabilities) - [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) - [Cyber Sleuth: Finding Hidden Connections in Cyber Data](https://www.wearedevelopers.com/videos/893-cyber-sleuth-finding-hidden-connections-in-cyber-data) ## Related Articles - [Best Paying Jobs in Technology](https://www.wearedevelopers.com/magazine/256-best-paying-jobs-in-technology) - [The Most Popular IT Jobs on the Market](https://www.wearedevelopers.com/magazine/376-the-most-popular-it-jobs-on-the-market) - [What Are The Top Skills Required For Azure Developers?](https://www.wearedevelopers.com/magazine/77-what-are-the-top-skills-required-for-azure-developers) - [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) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated)