Senior Test Infrastructure Software Engineer

Responsibilities

• As a Senior Test Infrastructure Software Engineer at Endurance, you will build the software, controls, and electrical infrastructure that allows our engineering team to rapidly validate every component and every subsystem that goes into a subsea geothermal power plant.
• Design and build the software infrastructure that powers testing across Endurance, from component qualification through full integrated system validation
• Architect and implement hardware-in-the-loop (HITL) and simulation environments that allow firmware and controls software to be tested under realistic operating conditions and failure scenarios
• Develop software for automated test execution, operator interfaces, data acquisition, visualization, storage, and analysis
• Design and integrate the electrical and controls infrastructure behind new test systems, including DAQs, PLCs, VFDs, sensors, instrumentation, and industrial communication networks
• Partner closely with firmware, electrical, mechanical, controls, and systems engineers to rapidly develop new testing capabilities
• Build scrappy one-off test systems when speed matters, then evolve successful concepts into scalable engineering infrastructure
• Write production-quality software while establishing the architecture and engineering patterns that future test systems will build upon
• Own the technical foundation of Endurance's testing ecosystem as it grows from individual laboratory experiments to full power plant validation
• Help shape the test infrastructure organization as it grows, including interviewing and onboarding future engineers

Requirements

• 5+ years of software engineering experience
• Track record building software for hardware systems, including automated testing, hardware-in-the-loop (HITL), industrial controls, robotics, aerospace, autom

Additional Information

Senior / Principal Test Infrastructure Software Engineer 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, Blue Origin, and Apple. We have completed multiple deep-ocean deployments to subsea volcanoes 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 environmental impact, deployment speed, and cost.

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