
Posted 12 days ago
Sustaining Controls Engineer
AI Summary
Diagnoses and resolves fleet issues for fuel-flexible power generators, distinguishing mechanical, electrical, and software problems, and implements fixes in C++ control algorithms to improve reliability and reduce maintenance.
About this role
About Mainspring
Mainspring Energy manufactures and delivers fuel-flexible, low-emissions local power solutions that rapidly add new capacity and deliver reliable, affordable, and sustainable electric power. The company began commercial shipments of its Mainspring Linear Generators in 2020 and today has hundreds of megawatts in advanced development and field operations for leading Fortune 500 companies, data centers, and utilities. Mainspring also partners with global energy leaders including AEP, NextEra Energy Resources, Schneider Electric, and more.
The core values that ground our work, guide our decisions, and connect us together:
- Pragmatic Optimism
- Excellence without Ego
- Proactive Collaboration
Overview
Responsibilities
Manage, document, and resolve fleet issues ensuring clear communication and follow-up on resolutions and improving the process
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
Qualifications
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
Skills
Explore related jobs
More jobs at Mainspring Energy
Similar C++ jobs
Jobs in Menlo Park
- P
Member of Technical Staff | Quantitative FinancePoesis · Menlo Park - P
Member of Technical Staff | Machine LearningPoesis · Menlo Park - P
Member of Technical Staff | Agentic AIPoesis · Menlo Park - RManager, Global Indirect TaxRobinhood · Menlo Park, CA
- ASecurity Officer Enhanced Part Time Unarmed Patrol Incident DocumentationAllied Universal · Menlo Park, CA
- RSoftware Engineer, AI SecurityRobinhood · Bellevue, WA
Browse these categories
Market data for this role
All reports →- SeriesRole reportsOne role family at a time: how many openings, what changed this week, who is hiring, what it pays.
- SeriesSalary reportsWhat employers publish in job postings, by level and workplace. Not self-reported pay.
- Market overviewState of tech hiring, September 2026: up 4.8%Tech hiring rose 4.8% month over month in September 2026, with 411,122 new listings. Customer support and account executive roles led the growth.