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Mainspring Energy

Onsite linear generators for scalable power

Sustaining Controls Engineer

Controls & Automation EngineeringConfirmed live in the last 24 hours
Full-timeMenlo Park, CA, USA$119k - $140k /yrIn-person

About the Job

Requirements

  • Experience conducting successful root cause analysis of complex software-mechatronic systems.
  • Ability to create or improve effective sustaining engineering processes as a self-directed systems thinker.
  • Ability to communicate and collaborate across multidisciplinary teams.
  • A degree in mechanical or electrical engineering with a controls focus.
  • 2–5 years of experience.

Responsibilities

  • Manage, document, and resolve fleet issues, ensuring clear communication and follow-up on resolutions while improving the process.
  • Diagnose root causes of system issues and distinguish between mechanical, electrical, and software-related problems.
  • Categorize and systematize gaps in automated system behavior, then address those gaps.
  • 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 C++ code to interpret system 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 to ensure continuous improvement.
  • Support reliability and manufacturing testing, contributing to system life-cycle maintenance.

About the Company

Mainspring Energy

Onsite linear generators for scalable power

Mainspring Energy designs and ships onsite linear generators that produce electricity for commercial and industrial customers, data centers, utilities, and microgrids. The kit uses a straight-line motion that is converted into electric current by magnets moving through copper coils, driven by a flameless, low-temperature air-and-fuel reaction with only two moving parts and an oil-free air-bearing. The system is fuel-flexible, handling natural gas, biogas, hydrogen, ammonia, and propane, and it scales from about 250 kW to more than 100 MW, with near-zero NOx and no after-treatment required. The company sells power as a service, enabling installations with no upfront cost and ongoing payments based on energy use, aiming to lower operating costs and increase energy resilience for its customers.

Company size
501-1,000
Company stage
Series F
Total funding
$813M
Headquarters
Menlo Park, CA
Founded
2010

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