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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Avionics Test Engineer, Software - **Company:** The Apex - **Location:** Los Angeles, CA, United States - **Experience:** Experienced - **Salary:** $137,500.0 - $176,000.0 - **Contract:** Permanent contract - **Skills:** Systems Engineering, Automation of Tests, Communications Protocols, Computer Engineering, Software Debugging, Linux, Github, Revision Control Systems, Python (Programming Language), Regression Testing, Software Engineering, Systems Integration, Universal Asynchronous Receiver/Transmitter, Scripting, Test Scripts, Hardware Testing, Linux Development, Git Flow, Information Technology, Performance Monitor, Software Version Control, GNSS - **Published:** May 14, 2026 - **Apply:** https://www.indeed.com/viewjob?jk=3b20b295c0eb693e ## About the Role Do you have experience in Version control?, * Bachelor's degree in Electrical Engineering, Computer Engineering, Aerospace Engineering, Physics, Computer Science, or related field * 3+ years of professional experience in aerospace, embedded systems, or electronics testing * Strong Python scripting and test automation experience * Experience working with laboratory instrumentation and automated test systems * Familiarity with avionics hardware and embedded communication protocols: + UART + SPI + CAN + I2C * Experience using Linux development environments and version control tools such as GitHub * Strong debugging, analytical, and communication skills * Must be a U.S. Person (U.S. Citizen or Green Card holder) in accordance with ITAR requirements, * Experience automating RF or communications system testing * Familiarity with SDRs, USRP systems, and software-defined ground systems * Experience with spacecraft, launch vehicle, or flight electronics integration * Familiarity with digital modulation techniques and RF system analysis * Exposure to environmental test campaigns and spacecraft qualification testing * Experience developing scalable automated validation infrastructure * Familiarity with link budgets, S-parameters, and insertion loss analysis ## Description We're looking for an Avionics Test Engineer, Software to join our growing Test team. In this role, you'll focus on developing automated test infrastructure, scripting, and validation tooling for spacecraft electronics, embedded systems, and integrated avionics platforms. You'll work closely with electrical, software, RF, and systems engineers to validate flight hardware, expand regression test coverage, and support spacecraft integration and environmental test campaigns. This role is ideal for engineers who enjoy building scalable test systems, automating hardware validation, and debugging complex integrated systems., * Develop and execute automated test procedures for avionics subsystems and embedded hardware * Create Python-based tooling for: + Automated test execution + Regression testing + Telemetry monitoring + Data parsing and analysis + Hardware control and instrumentation interfaces * Expand automated regression test coverage for new flight software releases * Develop and maintain flatsat and communications rack automation infrastructure * Interface with RF and avionics hardware including: + Oscilloscopes + Power supplies + DAQ systems + VNAs + Vector signal analyzers/generators + SDR and USRP-based systems * Support validation of: + Radios and transceivers + GNSS systems + RF switches + DVB-S2 and OFDM communication systems * Analyze system performance metrics including: + SNR + BER + EVM + PLL behavior + Link margin and insertion loss * Support environmental and qualification test campaigns including: + EMI/EMC + Vibration + Thermal cycling + TVAC * Troubleshoot integrated hardware/software issues on flight and flatsat hardware * Collaborate with cross-functional teams on design-for-test and system integration initiatives * Author and maintain Design Verification Plans (DVPs), automated test procedures, and test reports * Work within Linux-based development and test environments using Git-based workflows ## Related Videos - [Innovating Developer Tools with AI: Insights from GitHub Next](https://www.wearedevelopers.com/videos/1268-innovating-developer-tools-with-ai-insights-from-github-next) - [Docker network without Docker](https://www.wearedevelopers.com/videos/1418-docker-network-without-docker) - [Crew Management System for Airlines: Plan duties for pilots & flight attendants worldwide](https://www.wearedevelopers.com/videos/1444-crew-management-system-for-airlines-plan-duties-for-pilots-flight-attendants-worldwide) - [Bringing AI Model Testing and Prompt Management to Your Codebase with GitHub Models](https://www.wearedevelopers.com/videos/1536-bringing-ai-model-testing-and-prompt-management-to-your-codebase-with-github-models) - [Docker exec without Docker](https://www.wearedevelopers.com/videos/1094-docker-exec-without-docker) - [AIQSpecFlow: Improves and automates your agile process of specification and creation of testcases.](https://www.wearedevelopers.com/videos/100084-aiqspecflow-improves-and-automates-your-agile-process-of-specification-and-creation-of-testcases) ## Related Articles - [The 8 Best Code Testing Tools](https://www.wearedevelopers.com/magazine/402-the-8-best-code-testing-tools) - [The 12 Best Jobs for Software Engineers](https://www.wearedevelopers.com/magazine/401-the-12-best-jobs-for-software-engineers) - [Where To Find Software Engineering Jobs](https://www.wearedevelopers.com/magazine/396-where-to-find-software-engineering-jobs) - [Dev Digest 121 - AI goes offline](https://www.wearedevelopers.com/magazine/456-dev-digest-121-ai-goes-offline) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [Quick guide: How to write a Software Developer CV](https://www.wearedevelopers.com/magazine/37-quick-guide-how-to-write-a-software-developer-cv)