Senior Network Engineer – COMSEC / Secure Networks
SEACORP· enterprise· Defense & Space· Sep 8, 2026 · 2mo ago
Middletown, RI
In office
Full-time
Senior
$121K–$180K est.
5+ years exp
Job description
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 to
support secure, mission-critical Department of Defense (DoD) network
environments. The successful candidate will have strong hands-on experience
with routing and switching, IPsec VPN, DMVPN, network encryption, and COMSEC
operations. 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-site
VPN, GRE/GRE over
IPsec and Secure WAN
connectivity.
• 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 COMSEC
operations, including key management, key loading, accounting,
safeguarding, and handling procedures.
• Serve as a
technical resource for COMSEC-related network issues and secure
communications.
• Support COMSEC
equipment installation, configuration, maintenance, testing, and
troubleshooting.
• Maintain
accurate network configurations, diagrams, inventories, and technical
documentation.
• Perform network
testing and validation following system upgrades, configuration changes,
and new deployments.
• Analyze packet
captures, routing tables, device logs, and monitoring data to isolate
network problems.
• Support
cybersecurity and system accreditation activities, including
implementation of applicable DISA STIGs.
• Participate in
network integration, testing, exercises, deployments, and operational
events.
• Coordinate with
government customers, program management, cybersecurity personnel, and
other engineering disciplines.
• Provide
technical support during scheduled and unscheduled maintenance activities.
• Travel
periodically 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 environment.
• Ability to troubleshoot complex network problems independently.
• Experience using tools such as Wireshark, packet capture, SNMP/network monitoring systems, and device logging.
The candidate should have practical experience working with COMSEC equipment and procedures, including:
• COMSEC material control and accountability.
• Key management and key distribution procedures.
• Key loading and rekeying procedures.
• Secure handling, storage, and destruction of COMSEC material.
• COMSEC incident reporting and documentation.
• Familiarity with NSA and DoD COMSEC policies and procedures.
• Experience supporting Type 1 encrypted communications.
• Experience with KG-series or similar network encryption equipment strongly preferred.
• COMSEC Custodian experience is highly desirable.
DoD Cybersecurity Requirements:
• The candidate must be able to meet applicable DoD 8140 personnel qualification requirements for the position.
• Security+ CE or equivalent IAT certification is preferred/required based on the applicable contract position.
Additional certifications such as the following are highly desirable:
• Cisco CCNP Enterprise
• CCNP Security
• Security+ CE
• CISSP
• CySA+
• JNCIS/JNCIP or equivalent networking certification
Security Clearance:
• Active Secret security clearance required, with higher clearance eligibility preferred.
• Must be able to maintain the required security clearance for the duration of employment.
• Must comply with all applicable DoD, customer, facility, COMSEC, and information-security requirements.
• U.S. citizenship may be required based on contract and clearance requirements.
Travel:
• Periodic travel is required.
• Travel may include customer sites, military installations, remote deployment locations, training facilities, integration laboratories, and operational sites.
• Travel requirements may vary based on program and mission requirements.
Preferred Experience:
• DoD network engineering experience.
• Military tactical networking experience.
• COMSEC Custodian experience.
• Experience with KG-175, KG-250, KG-350, or comparable Type 1 encryption systems.
• Experience supporting classified networks.
• Experience with DISA STIGs and DoD cybersecurity requirements.
• Experience with SIPRNet/NIPRNet environments.
• Experience with Cisco ISR/ASR platforms.
• Experience with network management and monitoring systems.
• Experience supporting network deployments in austere or remote environments.
• Experience performing network acceptance testing and system integration.
• Ability to read and produce detailed network architecture and topology diagrams.
Desired Candidate Profile:
• The ideal candidate will be a hands-on network engineer with strong Cisco networking skills and practical experience operating secure DoD communications networks.
• Candidates should be comfortable troubleshooting a problem across multiple layers of the environment—for example:
Routing → DMVPN/IPsec → Encryption Device → COMSEC → Remote Network
• The successful candidate will be able to work independently, communicate effectively with both technical and government personnel, and operate professionally in a security-conscious environment.
Core Competencies:
• Network Engineering
• Cisco Routing & Switching
• BGP / OSPF / EIGRP
• IPsec VPN
• DMVPN
• GRE
• Network Encryption
• COMSEC
• Type 1 Encryption
• DoD Networking
• Network Security
• Troubleshooting
• System Integration
• Technical Documentation
• Customer Support
• Configuration Management
As a requirement of employment, all SEACORP employees must hold U.S. Citizenship
Location: Middletown, RI
Travel: Quarterly (approximately 4 times a year)
Clearance: Secret
Work Environment & Physical Demands: Office & Computer Laboratories - Sitting, standing, extended periods of time using a mouse and keyboard and viewing computer screens. Infrequent lifting of Successful candidates will enjoy competitive wages and a very rich benefit program, including:
• Medical Benefits: Choice of two medical insurance programs through Blue Cross & Blue Shield.
• Dental Benefits: A best in class Dental Insurance Plan through Delta Dental.
• Vision Benefits: An excellent Vision Benefit providing discounts and allowances for prescription glasses and contact lenses.
• Retirement Benefits: A qualified 401(k) Retirement Savings Account with a generous employer matching contribution up to 8% of your eligible compensation.
• Life Insurance Benefits: Employer paid Life and Accidental Death & Dismemberment Insurance equal to your annual salary. Supplemental coverage is available for you and qualified family members as well as Supplemental Short-Term and Long-Term Disability Insurance.
• Additional Benefits: Ten (10) Paid Holidays per year (including 2 floating Holidays), a generous Paid Time Off (PTO) program; Tuition Reimbursement, and Referral Bonuses.
Undersea, on the surface, or in the air, SEACORP leverages its software and engineering expertise to deliver cutting edge warfare systems.
SEACORP is a proud Equal Opportunity Employer and complies with all applicable federal, state and local fair employment practices laws. SEACORP strictly prohibits and does not tolerate discrimination against employees, applicants or any other covered persons because of race, color, religion, creed, national origin or ancestry, ethnicity, sex, gender (including gender nonconformity and status as a transgender or transsexual individual), age, sexual orientation, physical or mental disability, citizenship, past, current or prospective service in the uniformed services, genetic information, or any other characteristic protected under applicable federal, state or local law.
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Benefits
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Dental
Vision
401(K)
Pto
Paid Time Off