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Build Endurance’s software ecosystem for testing and validating subsea geothermal power plants. Responsibilities include firmware, controls, hardware-in-the-loop and simulation environments, automated test execution, data acquisition, operator interfaces, visualization, industrial system integration, and production-line automation. The engineer will collaborate with electrical, mechanical, firmware, controls, and systems teams, establish scalable software architecture, support company-wide software projects, and help grow the test infrastructure organization.

Partners with the CEO to drive company priorities, coordinate cross-functional engineering, manufacturing, and business initiatives, track decisions and action items, prepare executive meetings, manage calendars and travel, and draft communications. The role also supports office operations and requires strong project execution, writing, organization, discretion, independent judgment, and comfort working in a fast-paced startup environment.

Responsible for planning and executing complex integration and test campaigns for subsea energy hardware, collaborating across teams to ensure reliable field deployments and operational readiness.

Design and own subsea power conversion and distribution systems from concept to offshore deployment. Responsibilities include topology selection, magnetics and high-power PCBA design, layout and EMI/thermal control, protection strategy, lab bring-up, validation testing, failure analysis, production release, and cross-functional integration with mechanical, controls, and offshore teams.

In this role, you will design, build, and maintain electrical systems for subsea geothermal power plants, focusing on high-quality harnesses and debugging.

Own the general ledger and audit readiness, review monthly close produced by an outsourced firm, run balance sheet reconciliations, manage accounting policies and CFO/board reporting, support payroll and vendor setup, lead NetSuite migration and consolidation, and prepare controls for audits, investors, and lenders.

Endurance Energy is seeking technically excellent engineers to work on clean energy systems. Responsibilities include hands-on work with large-scale systems and contributing to power generation solutions.

The Senior Mechanical Engineer will design hardware for seafloor geothermal plants, creating systems that endure harsh conditions, leading the complete development from concept to deployment.

Lead design, analysis, and optimization of high-speed turbines and pumps for compact power cycles. Perform 1D/2D sizing, high-fidelity 3D CFD and structural FEA, testing and validation, rotor and seal integration, and develop internal modeling processes and standards to scale production and subsea deployments.