Senior Integration & Test Engineer (Fluids & Controls)

Responsibilities

• Own integration and test campaigns for complex mechanical, electrical, fluid, and subsea systems from initial bring-up through deployment readiness
• Develop and execute test strategies, procedures, acceptance criteria, and operational plans for development, qualification, and field testing
• Design and build test infrastructure including fluid systems, pressure systems, electrical harnessing, instrumentation, DAQ setups, fixtures, and integration tooling
• Lead hazardous test operations involving high pressure, high voltage, rotating machinery, thermal systems, and offshore hardware
• Drive system integration across multidisciplinary hardware including mechanical assemblies, fluid systems, controls, instrumentation, and power systems
• Debug complex hardware failures and lead root cause investigations across mechanical, electrical, software, controls, and operational domains
• Develop instrumentation plans and configure sensors, DAQ systems, telemetry, and automated test setups
• Drive reliability improvements through failure analysis, operational feedback, test data review, and process standardization
• Define and improve integration workflows, test processes, build standards, checklists, and operational readiness reviews
• Work closely with responsible engineers to ensure designs are testable, manufacturable, serviceable, and operationally robust
• Support field deployments, offshore operations, commissioning activities, and recovery operations
• Operate with urgency and technical rigor to close issues quickly while maintaining safety and hardware quality
• Maintain clear documentation of procedures, test configurations, anomalies, corrective actions, and lessons learned

Requirements

• 7+ years of experience in integration, test, manufacturing, reliability, or systems engineering roles involving complex hardware systems
• Demonstrated experience leading integration and test efforts for multidisciplinary hardware programs
• Strong hands-on experience with mechanical systems, fluid systems, instrumentation, electrical integration, or electromechanical hardware
• Experience planning and executing hazardous testing involving pressure systems, thermal systems, power systems, rotating machinery, or equivalent high-energy hardware
• Strong troubleshooting skills across hardware, controls, instrumentation, and system interactions
• Experience designing and building test infrastructure, tooling, fixtures, or automated test systems
• Ability to read and interpret engineering drawings, schematics, P&IDs, wiring diagrams, and assembly documentation
• Strong systems-level thinking and ability to identify operational and reliability risks early
• High ownership mindset with the ability to independently drive complex technical efforts under aggressive timelines
• Excellent communication skills and ability to coordinate across e

Additional Information

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 Founders Fund, Felicis, 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 a long-term demonstration project this fall. By leveraging modular design, 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.

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