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Sustaining Controls Engineer

Mainspring Energy - Menlo Park, CA, United States - In-office - posted 2026-10-01

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Mainspring Energy manufactures fuel-flexible, low-emissions local power solutions for Fortune 500 companies, data centers, and utilities. The Mainspring Linear Generators have been in commercial shipment since 2020, with hundreds of megawatts in advanced development and field operations. The Sustaining Controls Engineer will play a crucial role in ensuring our products automatically and reliably fulfill customers' electricity demand. You will work closely with cross-functional teams to diagnose and resolve issues, differentiate between mechanical, electrical, and software-related problems, and document solutions to increase product reliability and reduce maintenance needs. Key responsibilities include: - Manage, document, and resolve fleet issues with clear communication and follow-up on resolutions - Diagnose root causes of system issues, distinguishing between mechanical, electrical, and software-related problems - Categorize, systematize, and address gaps in automated system behavior - Collaborate with cross-functional teams to provide technical support and enhance system behavior - Debug and troubleshoot existing control algorithms to improve system performance and reliability - Analyze and understand C++ code to interpret behavior - Implement fixes to field issues in C++ code, and test them in simulation and laboratory environments - Adjust feature designs to address field issues - Use Python for data analysis, scripting, and system diagnostics - Tune control gains and calibrate systems, documenting the process for future reference - Identify and address gaps in system performance, ensuring continuous improvement - Support reliability and manufacturing testing, contributing to the system's life cycle maintenance This position is ideal for a multidisciplinary engineer who enjoys working on complex systems and has a keen eye for detail. REQUIREMENTS: - Experience in successful root cause analysis of complex software-mechatronic systems - Driven and self-directed systems-thinker responsible for creating or improving effective sustaining engineering processes - Excellent communicator with demonstrated collaboration across multidisciplinary teams - Degree in mechanical or electrical engineering with controls focus - 2-5 years of experience

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