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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Integration & Test Specialist - **Company:** Endurance - **Location:** Seattle, WA, United States - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Software Debugging, Rapid Prototyping Process, System Testing, Systems Integration, Build Process - **Published:** July 3, 2026 - **Apply:** https://www.indeed.com/viewjob?jk=a02aa8731d08f143 ## About the Role * 5+ years of hands-on experience in mechanical assembly, fluid systems, or integration roles * Demonstrated experience assembling and testing complex mechanical or fluid systems * Strong experience with tubing, piping, fittings, and fluid system integration * Ability to read and interpret mechanical drawings and P&IDs * Experience with pressure testing, leak detection, and system validation * Strong mechanical intuition and ability to troubleshoot integration issues quickly * High attention to detail and craftsmanship in assembly work * Track record of working effectively in fast-paced, prototype-driven environments * High ownership mindset and ability to operate independently with minimal supervision * Strong communication skills and ability to work closely with engineers Preferred Skills * Experience with orbital tube welding and/or other high-reliability welding processes * Background in high-pressure systems, process piping, or thermal systems * Experience in marine, subsea, aerospace, or energy hardware environments * Familiarity with Swagelok or equivalent fluid system standards and best practices * Light fabrication and manual machining experience (lathe, mill, drill press) * Experience supporting test operations and building custom test infrastructure * Familiarity with cleanliness standards and contamination control for fluid systems * Ability to contribute to fixture design and integration tooling ## Description As an Integration & Test Specialist at Endurance Energy, you will work alongside mechanical, fluids, and electrical engineers to assemble, plumb, instrument, and test complex systems under real-world conditions. You will be responsible for taking subsystems from parts to fully integrated hardware, pressure-tight, leak-free, instrumented, and ready for test. You will play a key role in debugging integration issues, improving build processes, and ensuring systems are safe and robust before deployment. You are expected to operate with high ownership on the floor: driving build quality, identifying issues early, and pushing systems to readiness without waiting for direction. This is a critical position where your speed, precision, and judgment directly impact our ability to hit hardware milestones on aggressive timelines., * Assemble mechanical and fluid systems including pressure vessels, piping, valves, and heat exchangers * Perform tubing and piping integration including routing, bending, cutting, and fitting * Execute high-quality plumbing of test systems and subsea hardware (Swagelok, compression fittings, welded systems, etc.) * Install sensors, instrumentation, and support hardware for test readiness * Perform pressure testing, leak checking, and system validation (hydrostatic and pneumatic) * Support system bring-up and debugging alongside engineering teams * Read and interpret engineering drawings, P&IDs, and assembly documentation * Identify and resolve fit-up, tolerance, and integration issues in real time * Drive clean, organized, and repeatable build processes on the floor * Document builds, test setups, and issues for engineering and QA traceability * Support rapid prototyping and iteration under tight timelines * Maintain a safe working environment when operating high-pressure and high-temperature systems ## Related Videos - [How To Test A Ball of Mud](https://www.wearedevelopers.com/videos/173-how-to-test-a-ball-of-mud) - [Why I Love End-2-End Tests and How To Get Them Right](https://www.wearedevelopers.com/videos/996-why-i-love-end-2-end-tests-and-how-to-get-them-right) - [Empowering Democratic Processes: Building a Hybrid Voting Platform](https://www.wearedevelopers.com/videos/1163-empowering-democratic-processes-building-a-hybrid-voting-platform) - [Using AI Without Losing Your Skills](https://www.wearedevelopers.com/videos/2045-using-ai-without-losing-your-skills) - [Reusing apps between teams and environments through Containers](https://www.wearedevelopers.com/videos/107-reusing-apps-between-teams-and-environments-through-containers) - [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 - [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) - [The 8 Best Code Testing Tools](https://www.wearedevelopers.com/magazine/402-the-8-best-code-testing-tools) - [Top Characteristics of a Software Engineer](https://www.wearedevelopers.com/magazine/166-top-characteristics-of-a-software-engineer) - [Integration And E2E Testing: Are They Complementary or Interchangeable?](https://www.wearedevelopers.com/magazine/86-integration-and-e2e-testing-are-they-complementary-or-interchangeable) - [Is Software Engineering Hard?](https://www.wearedevelopers.com/magazine/448-is-software-engineering-hard) - [Now is the time for industrialized software development](https://www.wearedevelopers.com/magazine/601-now-is-the-time-for-industrialized-software-development)