Senior Network Engineer – COMSEC/Secure Networks
Listed on 2026-09-27
-
IT/Tech
Cybersecurity, Network Engineer, Network Security, Systems Engineer
SEACORP is seeking a well-qualified
Senior Network Engineer – COMSEC / Secure Networks
.
Job Description:
SEACORP's Electronic Warfare Business Area is seeking a highly skilled Network Engineer tosupport secure, mission-critical Department of Defense (DoD) networkenvironments. The successful candidate will have strong hands-on experience with routing and switching, IPsec VPN, DMVPN, network encryption, and COMSECoperations. This position will support the design, deployment, configuration, integration, troubleshooting, and maintenance of secure communications networks. The engineer will work closely with network, cybersecurity, systems engineering, and operations teams to maintain highly available and secure network infrastructure.
The ideal candidate is a hands-on engineer capable of troubleshooting complex problems across the network stack, from physical connectivity and routing through VPN tunnels, encryption devices, and COMSEC systems.
Responsibilities Include:
- Design,configure, deploy, and maintain secure IP network infrastructure supporting DoD missions.
- Configure and troubleshoot Cisco routers, switches, firewalls, and security appliances.
- Design,implement, and troubleshoot: IPsec VPN, DMVPN, Site-to-siteVPN, GRE/GRE overIPsec and Secure WANconnectivity.
- Configure and troubleshoot BGP, OSPF, and EIGRP routing environments.
- Troubleshoot complex routing, switching, VPN, and encrypted communications issues.
- Configure and maintain network encryption equipment and encrypted communication paths.
- Support NSA-approved
Type 1 encryption technologies and associated network architectures. - Support COMSECoperations, including key management, key loading, accounting,safeguarding, and handling procedures.
- Serve as atechnical resource for COMSEC-related network issues and securecommunications.
- Support COMSECequipment installation, configuration, maintenance, testing, and troubleshooting.
- Maintain accurate network configurations, diagrams, inventories, and technical documentation.
- Perform networktesting and validation following system upgrades, configuration changes,and new deployments.
- Analyze packetcaptures, routing tables, device logs, and monitoring data to isolatenetwork problems.
- Supportcybersecurity and system accreditation activities, including implementation of applicable DISA STIGs.
- Participate innetwork integration, testing, exercises, deployments, and operationalevents.
- Coordinate with government customers, program management, cybersecurity personnel, andother engineering disciplines.
- Provide technical support during scheduled and unscheduled maintenance activities.
- Travelperiodically to customer, deployment, training, and operational locations.
Education:
Bachelor's degree in Computer Science, Information Technology, Electrical Engineering, Network Engineering, or a related technical field preferred. Equivalent relevant military, technical, or professional experience may be substituted for formal education where permitted by contract requirements.
Experience: 5+ years of professional network engineering experience; 7+ years preferred for senior-level candidates.
Strong hands-on experience with Cisco IOS/IOS-XE.
Required TechnicalQualifications:
- Advanced understanding of TCP/IP networking and routing.
- Demonstrated experience with: BGP, OSPF, EIGRP, VLANs and trunking, NAT/CGNAT, DHCP/DNS, IPv4/IPv6, QoS
- Strong hands-on experience with IPsec VPN and DMVPN.
- Experience troubleshooting GRE, GRE over IPsec, and encrypted tunnels.
- Experience with network encryption devices, preferably KG-series or comparable NSA Type 1 encryption equipment.
- Working knowledge of COMSEC policies, procedures, equipment, and key management.
- Experience operating within a DoD or other U.S. Government…
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