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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Principal Test Development Engineer (Spacecraft) - **Company:** CareerCircle - **Location:** Tukwila, WA, United States (Remote available) - **Salary:** $170,000.0 - $230,000.0 - **Contract:** Permanent contract - **Skills:** Systems Engineering, Automation of Tests, Python (Programming Language), System Testing, Test Execution Engine, Data Processing, Hardware Testing - **Published:** September 3, 2026 - **Apply:** https://www.careercircle.com/jobs/all/all/usa/wa/tukwila/6932c923-9e1d-41c9-a0da-65f67c318ad9 ## About the Role * 12 years of experience in spacecraft integration and test, development, or similar hardware test environments. * Bachelor's degree in Aerospace, Electrical, Mechanical Engineering, or a related field. * Experience leading multiple spacecraft or launch vehicle build and test campaigns. * Hands-on experience with spacecraft system test procedures, automation, and execution. * Proficiency in scripting/coding for automating satellite testing. * Strong understanding of spacecraft AIT principles, including test-as-you-fly, NASA and DoD standards. * Experience with ground support equipment and Python. Additional Skills & Qualifications * Background in high-rate production environments or programs with repeated test execution. * Extensive experience with spacecraft Ground Support Equipment (GSE) design, build, and validation. * Experience developing and validating test automation and data processing code in Python. * Experience in introducing test campaigns for new products and maturing them over time. * Comfort with using tools for requirement and verification tracking. ## Description We are at the forefront of space-based intelligence, providing satellite imagery, automated analytics, and high-frequency monitoring to address global strategic, economic, and security challenges. Our team is committed to delivering critical insights to our clients, enabling them to act swiftly and strategically. We pride ourselves on a people-first, customer-focused, and fun work environment., * Transition satellite tests from engineer-driven 'new product' tests to routine, automated, efficient test processes. * Lead the development of end-to-end satellite qualification and acceptance test plans. * Develop production test strategies, plans, procedures, automation, and supporting Ground Support Equipment (GSE). * Collaborate cross-functionally with Systems Engineering, Production AI&T, and spacecraft subsystem teams. * Ensure reliable and repeatable high-rate satellite production. * Transform early, engineering-driven test approaches into mature, production-ready systems., This position is based in our Tukwila, WA office, where you will work in an office environment. The role involves collaboration with a global team, utilizing cutting-edge technology to make a worldwide impact. ## Related Videos - [How To Test A Ball of Mud](https://www.wearedevelopers.com/videos/173-how-to-test-a-ball-of-mud) - [Implementing continuous delivery in a data processing pipeline](https://www.wearedevelopers.com/videos/73-implementing-continuous-delivery-in-a-data-processing-pipeline) - [WeAreDevelopers LIVE - Modern DevOps for IoT Devices and More](https://www.wearedevelopers.com/videos/1805-wearedevelopers-live-modern-devops-for-iot-devices-and-more) - [What I learned as a developer from accidents in space](https://www.wearedevelopers.com/videos/642-what-i-learned-as-a-developer-from-accidents-in-space) - [Testing .NET applications a Tool box for every developer](https://www.wearedevelopers.com/videos/704-testing-net-applications-a-tool-box-for-every-developer) - [How I Built QA from Scratch in a Scaling Startup - no fluff real life story](https://www.wearedevelopers.com/videos/2041-how-i-built-qa-from-scratch-in-a-scaling-startup-no-fluff-real-life-story) ## Related Articles - [The 8 Best Code Testing Tools](https://www.wearedevelopers.com/magazine/402-the-8-best-code-testing-tools) - [What is a Test Plan: Guide to Test Planning](https://www.wearedevelopers.com/magazine/191-what-is-a-test-plan-guide-to-test-planning) - [How to create a test plan for software testing](https://www.wearedevelopers.com/magazine/56-how-to-create-a-test-plan-for-software-testing) - [How We Built a Worry-Free System That Runs for 10+ Years – And What We’d Do Again](https://www.wearedevelopers.com/magazine/751-how-we-built-a-worry-free-system-that-runs-for-10-years-and-what-we-d-do-again) - [Should senior developers refuse interview coding challenges?](https://www.wearedevelopers.com/magazine/29-should-senior-developers-refuse-interview-coding-challenges) - [Is Software Engineering Hard?](https://www.wearedevelopers.com/magazine/448-is-software-engineering-hard)