Integration Engineer

A large defense technology client is seeking a Systems Integration Engineer to sit onsite in Costa Mesa, CA. This role focuses on system-level integration and testing, bringing together hardware, firmware, and cross-functional teams to validate complex systems from initial bring-up through full system verification.


This position requires a blend of strong technical depth and project engineering leadership. The Systems Integration Engineer will develop and execute system test plans, create architectural and integration diagrams, and lead cross-disciplinary efforts to ensure successful integration. The ideal candidate has prior experience acting as a technical lead, coordinating across teams, and driving integration efforts through clear communication and organization.

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Required Skills & Experience

Bachelor's degree in Electrical Engineering, Systems Engineering, or related technical discipline


Experience performing system-level integration and testing (beyond board-level testing)


Proven ability to develop and execute system test plans


Hands-on experience working across hardware and firmware disciplines


Strong understanding of system architecture and interdependencies between subsystems


Experience creating system diagrams (block diagrams, interface diagrams, signal flow diagrams)


PCB design experience or strong familiarity with PCB-level architecture and schematics


Experience working with cabling, harnesses, and interconnects, including interface verification


Ability to troubleshoot and debug issues that span multiple subsystems


Nice to Have Skills & Experience

Prior experience in aerospace, defense, UAV, automotive, or complex embedded systems


Background as a project engineer, systems engineer, or integration lead


Experience supporting complex electromechanical systems (air vehicles, payloads, comms systems, etc.)


Familiarity with lab tools and debug equipment (oscilloscopes, power supplies, interface tools)


Experience leading integration efforts in fast-paced or evolving development environment


Benefit packages for this role will start on the 1st day of employment and include medical, dental, and vision insurance, as well as HSA, FSA, and DCFSA account options, and 401k retirement account access with employer matching. Employees in this role are also entitled to paid sick leave and/or other paid time off as provided by applicable law.