> Markdown version of [/jobs/ext/3818081-system-network-engineer](https://www.wearedevelopers.com/jobs/ext/3818081-system-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). --- # System Network Engineer - **Company:** Mantech International Corporation - **Location:** Hanover, NH, United States - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Systems Engineering, Information Systems, Computer Networks, System Configuration, Linux, Windows Servers, Software Deployment, Software Systems, Systems Architecture, Virtualization Technology, Network Routers, Information Technology, Network Server, Multiplatform, Cisco, Vmware - **Published:** October 18, 2026 - **Apply:** https://find.jobs/jobs-near-me/apply/ats-redirect/?id=3025578098-2 ## About the Role * Bachelor's degree in System Engineering, Computer Science, Information Systems, or a related field; an additional 5 years of experience may be substituted for a degree. * 14+ years of systems engineering experience. * Proficiency in engineering and administering VMware virtualized infrastructure. * 7 years of combined experience in: + Designing and implementing Cisco networks and Windows Server across classified or unclassified environments. + Architecting and configuring secure, classified systems, servers, and network enclaves. + Providing systems engineering expertise, including design, software deployment, and advanced troubleshooting for workstations and servers. Preferred Qualifications: * Multi-platform expertise in the design and administration of VMware, Linux/UNIX, and Windows Server environments. Clearance Requirements: * Active/Current TS/SCI with Polygraph. Physical Requirements: * Must be able to remain in a stationary position 50% of the time. * Needs to occasionally move about inside the office to access file cabinets and office machinery. * Frequently communicates with co-workers, management, and customers, which may involve delivering presentations. Must be able to exchange accurate information in these situations. ## Description * Analyzing user requirements, operational concepts, and system architectures to develop detailed system specifications. * Leading system design and development activities, guiding users in requirements formulation, and evaluating alternative solutions. * Developing and maintaining technical documentation, including system architecture and design documents, engineering management plans, and integration/test plans. * Ensuring the technical integrity of systems engineering deliverables and managing the system baseline throughout its lifecycle. * Directing the development, integration, and testing of complex hardware/software systems and networks, including requirements analysis and interface standards. * Assisting with system security compliance and the application of security controls to networks and equipment. * Leading or assisting with the troubleshooting and repair of systems and network components, including routers, switches, servers, VMs, and workstations.