> Markdown version of [/jobs/ext/3954273-senior-integration-test-engineer](https://www.wearedevelopers.com/jobs/ext/3954273-senior-integration-test-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Integration & Test Engineer - **Company:** AetherFlux Inc. - **Location:** San Carlos, CA, United States - **Experience:** Expert - **Salary:** $125,000.0 - $200,000.0 - **Contract:** Permanent contract - **Skills:** Automation of Tests, Code Coverage, Software Debugging, Network Interface Controllers, Firmware, Python (Programming Language), Signal Integrity, Systems Integration, Data Processing, Scripting, Graphics Processing Unit (GPU), Integration Tests, Lidar - **Published:** October 27, 2026 - **Apply:** https://www.careerbuilder.com/job-details/senior-integration-test-engineer-san-carlos-ca--e3b739bf-2d25-47bb-b6ca-90678ff08942 ## About the Role * Experience with integration, test, or validation of hardware systems * Strong hands-on experience with test automation, instrumentation, and lab equipment * Experience building test setups: fixtures, harnessing, racks, and data acquisition systems * Background in avionics board-level testing and debugging (power, signal integrity, communications) * Familiarity with scripting (Python or similar) for test automation * Experience with RF, sensors, LiDAR, or avionics systems is a plus * Ability to read and interpret engineering drawings, schematics, and interface control documents * Comfortable working in fast-paced, ambiguous environments with high ownership, * Experience supporting complex hardware or engineering programs * Background in high-growth or deeply technical organizations * Experience managing high-value spend portfolios or vendor-owned inventory agreements * Familiarity with automation tools or process optimization within procurement workflows * Prior experience in aerospace, space, or other frontier technology industries * Background in environmental testing methods including thermal vacuum, vibration, shock, and EMI/EMC. ## Description We're looking for an SeniorIntegration & Test Engineer to own the end-to-end validation of our hardware systems. You will be responsible for bringing up, integrating, and testing complex electro-mechanical and avionics systems-ensuring they perform reliably in mission-critical environments. This role is highly hands-on and cross-functional, working closely with hardware, avionics, and software teams to take systems from prototype through flight readiness. Responsibilities: * Own system-level integration and test of hardware and avionics systems * Design, build, and maintain test infrastructure (racks, fixtures, harnessing, and tooling) * Develop automated and manual test procedures for board- and system-level validation * Lead bring-up and debug of electrical systems, including root cause analysis and failure investigation * Execute environmental and functional testing (thermal, vibration, DVE, etc.) * Collaborate cross-functionally with hardware, firmware, and software teams to validate performance * Drive improvements in test coverage, reliability, and scalability of test systems * Support flight qualification and launch readiness activities * Support launch campaign operations including payload integration checkouts, pre-flight verification, and real-time anomaly resolution.