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Senior Network Engineer – COMSEC​/Secure Networks

Job in Middletown, Newport County, Rhode Island, 02842, USA
Listing for: Systems Engineering Associates Corporation
Full Time position
Listed on 2026-09-27
Job specializations:
  • IT/Tech
    Cybersecurity, Network Engineer, Network Security, Systems Engineer
Salary/Wage Range or Industry Benchmark: 110000 - 160000 USD Yearly USD 110000.00 160000.00 YEAR
Job Description & How to Apply Below

SEACORP is seeking a well-qualified
Senior Network Engineer – COMSEC / Secure Networks
.

Primary Duties and Responsibilities:

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.

Job

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.
Qualifications:

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 Technical

Qualifications:
  • 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…
Position Requirements
10+ Years work experience
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