Network / C5ISR Engineer (Defense Programs)

Engineer the Backbone of Mission-Critical Defense Systems Design, integrate, and sustain the networks that power real-time military operations. Cambridge Automation is seeking a Network / C5ISR Engineer to support advanced Department of Defense programs across Army, Navy, and Marine Corps environments. You’ll play a critical role in building secure, resilient, and high-performance communications systems that enable mission success in complex operational environments. This is not a maintenance role, this is hands‑on engineering at the tactical edge, directly supporting real-world defense operations. You’ll operate at the intersection of: Advanced network engineering and architecture C5ISR system integration and mission platforms Cybersecurity and information assurance Tactical communications and real-time operations What You’ll Do Network Architecture & Engineering Design and implement secure enterprise and tactical network architectures Configure and manage routers, switches, firewalls, and network devices Support IP-based, wireless, RF, and SATCOM communications Ensure scalability, performance, and redundancy across environments C5ISR Systems Integration Integrate sensors, platforms, and command systems into unified capabilities Enable interoperability across ISR and C5ISR systems Support real-time data flow and mission operations Bridge tactical and enterprise systems for operational effectiveness Cybersecurity & Information Assurance Implement security controls aligned with DoD standards (RMF, STIGs, NIST 800-53) Support ATO processes and continuous monitoring Identify and mitigate vulnerabilities across network systems Monitor and respond to security events Deployment & Field Support Support installation and deployment in operational and field environments Troubleshoot network and system issues (on-site and remote) Participate in exercises, testing events, and mission operations Coordinate with Government and operational personnel Network Monitoring & Performance Monitor availability, utilization, and system performance Diagnose and resolve latency, throughput, and connectivity issues Maintain network diagrams, documentation, and configurations Implement monitoring and analytics tools Maintain configuration control and system baselines Manage changes across development, test, and operational systems Ensure compliance with FAR, DFARS, and cybersecurity requirements Support audits, inspections, and accreditation efforts Technical Leadership Provide mentorship to junior engineers and integration teams Support architecture planning, system upgrades, and technical strategy Contribute to proposal development and technical solutioning What You Bring Active TS/SCI clearance with Polygraph (Required) 7–10+ years of network engineering or C5ISR experience Experience supporting DoD or federal defense programs Strong expertise with Cisco, Juniper, or similar technologies Experience with tactical communications, RF, or SATCOM systems Knowledge of RMF, NIST, STIGs, and cybersecurity frameworks Bachelor’s degree (Engineering, Computer Science, IT, or related) Preferred Master’s degree in a related field Cisco certifications (CCNA, CCNP, CCIE) Experience with SDN or network virtualization Background in ISR, C5ISR, or intelligence systems Experience in deployed or operational environments Salary Range: $150,000 – $195,000+ annually (Commensurate with experience, clearance, and mission scope) Performance-based incentives 401(k) with company match Paid time off and holidays Professional development and certification support On-site / hybrid based on mission requirements Work in classified, lab, and field environments Legal & Compliance Cambridge Automation is an Equal Opportunity Employer. We consider all qualified applicants without regard to any protected status under federal, state, or local law. At-Will Employment This position is at-will and does not constitute a contract of employment. Export Control Notice This position may involve access to ITAR/EAR-controlled or classified information. U.S. Citizenship is required. This position is contingent upon contract award and may require: Letter of Commitment Participation in proposal activities Customer approval and funding availability Why Cambridge Automation We’re building a next-generation defense engineering organization focused on: C5ISR and network integration at scale #J-18808-Ljbffr Cambridge Automation Ltd