Endurance
Energy
Integration&TestSpecialist
Neural analysis suggests this role is
optimal for Mid candidates.
“Integration & Test Specialist at Endurance. Skills: mechanical assembly, fluid systems, integration, tubing, piping, fittings, pressure testing, leak checking, system validation. assemble, plumb, instrument, and test complex systems. taking subsystems from parts to fully integrated hardware, pressure-tight, leak-free, instrumented, and ready for test”
What You'll Achieve.
systems are safe and robust before deployment; hit hardware milestones on aggressive timelines; systems are ready for test; systems are pressure-tight, leak-free, instrumented
Industry & Context.
mechanical intuition and ability to troubleshoot integration issues quickly; Identify and resolve fit-up, tolerance, and integration issues in real time
Global Fieldwork: Travel to fascinating deployment sites along oceanic ridges in locations like the Pacific Northwest, Hawaii, Iceland, Japan, New Zealand, and the Azores, participate in sea trials and deployment operations, operating high-pressure and high-temperature systems
What They're Looking For.
Must Have
5+ years of hands-on experience in mechanical assembly, fluid systems, or integration roles, Demonstrated experience assembling and testing complex mechanical or fluid systems, 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, 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, communication skills and ability to work closely with engineers
Nice to Have
Experience with orbital tube welding 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
What You'll Do.
and test complex systems
taking subsystems from parts to fully integrated hardware
debugging integration issues
improving build processes
ensuring systems are safe and robust before deployment
driving build quality
identifying issues early
pushing systems to readiness
Assemble mechanical and fluid systems including pressure vessels
Perform tubing and piping integration including routing
Execute high-quality plumbing of test systems and subsea hardware
and support hardware for test readiness
Perform pressure testing
and system validation
Support system bring-up and debugging alongside engineering teams
Identify and resolve fit-up
and integration issues in real time
and repeatable build processes on the floor
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
How You'll Work.
Team & Collaboration
work alongside mechanical, fluids, and electrical engineers; Support system bring-up and debugging alongside engineering teams; work closely with engineers
Communication Scope
communication skills
Full Job Description
ABOUT ENDURANCE Endurance is building the world's first modular subsea geothermal power plants, converting vast thermal resources under the ocean into gigawatts of baseload power. Backed by First Round Capital and Point72 Ventures, our founding team includes veterans from SpaceX, Helion, and Robinhood. We have completed multiple deep ocean deployments and are launching our generation pilot this year. By leveraging manufacturing scale, efficient drilling, and latent cooling on the seafloor, we are pioneering a new category of energy that outperforms traditional sources on both environmental impact and cost. WHAT YOU'LL BE DOING 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. KEY RESPONSIBILITIES - 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
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