COMSEC Engineer: Global Key Management & Secure Network

SAIC; Newington (VA); On-site; USD 120,000 - 160,000; Full time

Job summary

SAIC is seeking a COMSEC Engineer to support secure communications for U.S. diplomatic posts worldwide.

You will design and integrate cryptographic systems and manage key distribution across a secure global network. This hands-on role requires TS clearance and readiness to travel; you will provide Tier II/III engineering support, operate KMI nodes, and deploy Over-the-Network Keying to replace courier-delivered keys.

Qualifications

• Bachelor’s degree in a technical discipline; 5+ years of COMSEC or network security experience.
• 3+ years hands-on COMSEC or cryptographic work—keying material handling and accountability.
• Working knowledge of HAIPE-compliant INEs, secure terminals, and fill devices.
• Solid IP networking foundation: routing, VPNs, firewalls, and packet captures.
• U.S. citizenship with active TOP SECRET clearance; SCI eligibility.
• Willingness to on-call rotate and travel occasionally.

Responsibilities

• Integrate HAIPE-compliant inline network encryptors and CSfC components into the global network.
• Build test plans and run interoperability, regression, and failure-mode testing with evidence behind it.
• Provide Tier II/III COMSEC support for incidents, including on-call coverage across time zones.
• Operate KMI clients and Advanced Key Processors, handling key ordering, distribution, and destruction.
• Deploy Over-the-Network Keying and manage rekey cycles.
• Engineer cryptographic modernization including CNSA 2.0 and post-quantum-ready algorithms.
• Document designs and train custodians and junior engineers.

Skills

HAIPE INEs

Secure terminals

Fill devices

IP networking

Packet capture reading

On-call / travel readiness

Education

Bachelor’s degree in technical discipline

Tools

CSfC engineering

Job description

SAIC is seeking a COMSEC Engineer to support secure communications for U.S. diplomatic posts worldwide.

You will design and integrate cryptographic systems and manage key distribution across a secure global network. This hands-on role requires TS clearance and readiness to travel; you will provide Tier II/III engineering support, operate KMI nodes, and deploy Over-the-Network Keying to replace courier-delivered keys.