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| Company Name: |
General Dynamics IT |
| Location: |
Falls Church, VA |
| Position Type: |
Full Time |
| Post Date: |
06/10/2026 |
| Expire Date: |
07/10/2026 |
| Job Categories: |
Engineering, Information Technology |
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Network Engineer Principal
We are seeking aNetwork Engineer Principalto 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 inenterprise 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 infrastructureInstall, configure, and support enterprise network equipment including routers, switches, and core network servicesContinuously improve network reliability, performance, and operational efficiency across large-scale deploymentsConfigure and support enterprise firewall platforms, including access control policies, VPNs, and secure tunnelsMaintain secure network connectivity across internal networks, remote sites, and cloud environmentsMaintain network infrastructure through firmware updates and lifecycle management Support routing, switching, and core network protocolsConfigure and troubleshoot routing and switching infrastructure across large enterprise environmentsSupport dynamic routing protocols such as BGP and OSPFMaintain strong operational knowledge of network layers (L1/L2/L3) and how they impact service delivery Manage foundational network servicesManage enterprise DNS infrastructure, including record creation, monitoring, troubleshooting, and lifecycle managementSupport DNS security and protection mechanismsMaintain integration between DNS, directory services, and DHCP systems Troubleshoot complex network problemsProvide advanced troubleshooting and resolution for complex network performance or connectivity issuesUtilize monitoring and diagnostic tools to identify and resolve infrastructure problemsParticipate in incident response, root cause analysis, and operational improvement efforts Collaborate across engineering teamsPartner with cloud, security, and infrastructure teams to support enterprise networking requirementsContribute to network design documentation, operational runbooks, and engineering best practicesMentor junior engineers and support knowledge sharing within the engineering organization WHAT YOULL NEED TO SUCCEED The Network Engineer Principal must have:Education: High School diploma requiredExperience: 8+ years of related experience with a Bachelor's degree; in lieu of Bachelor's degree, an additional four (4) years of experience is requiredStrong hands-on experience withenterprise routing and switchingDeep understanding of networking protocols such asTCP/IP, DNS, HTTP/HTTPS, and VPN technologiesExperience operating and troubleshootingdynamic routing protocols such as BGP and OSPFExperience configuring and maintainingenterprise firewall platforms, VPN connectivity, and network security controlExperience managingDNS infrastructure, including monitoring, security, and integration with enterprise directory servicesExperience supportingenterprise wireless and device authentication environmentExperience working withinlarge enterprise or service provider environmentsFamiliarity withnetwork monitoring and diagnostic toolsAbility to collaborate effectively across infrastructure, cloud, and security engineering teams Preferred skills not required:Experience with leading enterprise networking platforms such asJUNOS-based systems, Silverpeak SDWAN, BlueCat and Palo Alto FirewallsExperience with SASEExperience supporting networking inhybrid cloud environmentsFamiliarity withnetwork automation, scripting, or infrastructure automation frameworksExperience contributing tonetwork design documentation and operational standardsIndustry certifications in networking, cloud networking, or security disciplines GDIT IS YOUR PLACEAt GDIT, the mission is our purpose, and our people are at the center of everything we do. Growth: AI-powered career tool that identifies career steps and learning opportunities Support: An internal mobility team focused on helping you achieve your career goals Rewards: Comprehensive benefits and wellness packages, 401K with company match, and competitive pay and paid time off Community: Award-winning culture of innovation and a military-friendly workplaceOWN YOUR OPPORTUNITYExplore an enterprise IT career at GDIT and youll find endless opportunities to grow alongside colleagues who share your desire to drive operations forward.
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| Company Name: |
General Dynamics IT |
| Website: | https://www.gdit.com/careers/job/be3264074/network-engineer-principal/?source=AutoAppend_HBCU |
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