Menlo Park, California, United States · Remote OK
$109k–$128k/yr
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 …
Skills: Project Management, Electrical Power Distribution, Control Systems, Python, C++
Menlo Park, California, United States · On-site
$140k–$165k/yr
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 …
Skills: 3D CAD Modeling, SolidWorks, GD&T, Tolerance Stack Analysis, FEA
Menlo Park, California, United States · Hybrid
$210k–$247k/yr
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 …
Skills: Industrialization Strategy, New Product Introduction, Manufacturing Engineering, Production Test Engineering, Product Lifecycle Management
Menlo Park, California, United States · Hybrid
$157k–$185k/yr
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 …
Skills: Electrical Test Development, NPI Engineering, Hardware Test Fixture Design, Automated Testing, DFM/DFT
Washington, District of Columbia, United States · On-site
$199k–$243k/yr
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 …
Skills: Federal Advocacy, Legislative Strategy, Government Relations, Energy Policy, Lobbying Management
Washington, District of Columbia, United States · On-site
$172k–$216k/yr
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 …
Skills: Federal Advocacy, Legislative Strategy, Government Relations, Energy Policy, Lobbying Management
Menlo Park, California, United States · Remote OK
$110k–$130k/yr
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 …
Skills: Deal Shepherding, Power Market Literacy, Contract Negotiation, Cross-Functional Leadership, PPA Structuring
Menlo Park, California, United States · On-site
$110k–$130k/yr
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 …
Skills: Field Service Management, ERP Systems, Data Governance, Work Order Scheduling, Inventory Management
Monterrey, Nuevo León, Mexico · On-site
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 …
Skills: Quality Engineering, Root Cause Analysis, APQP, PPAP, Six Sigma
Menlo Park, California, United States · On-site
$132k–$156k/yr
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 …
Skills: Thermal Analysis, Fluids Hardware Design, SolidWorks, Finite Element Analysis, GD&T
Menlo Park, California, United States · On-site
$116k–$175k/yr
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 …
Skills: ASC 740, Tax Provision, Federal Tax Compliance, State Tax Compliance, Sales and Use Tax
Menlo Park, California, United States · On-site
$114k–$130k/yr
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 …
Skills: Thermal Analysis, Fluids Hardware Design, SolidWorks, PLM, Finite Element Analysis
Menlo Park, California, United States · On-site
$151k–$178k/yr
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 …
Skills: Reliability Testing, FMEA, Root Cause Analysis, HALT, Failure Analysis
Menlo Park, California, United States · On-site
$28/hr–$35/hr
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 …
Skills: Interview Coordination, Applicant Tracking Systems, Candidate Experience, Travel Coordination, Stakeholder Collaboration
Menlo Park, California, United States · On-site
$172k–$203k/yr
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 …
Skills: Battery Pack Design, Lithium-ion Battery Architecture, Supplier Management, Thermal Management, Cell Integration
Menlo Park, California, United States · Hybrid
$157k–$185k/yr
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 …
Skills: Root Cause Analysis, CAPA Leadership, Electrical Lab Diagnostics, PCBA Design, Circuit Analysis
Menlo Park, California, United States · Hybrid
$130k–$153k/yr
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 …
Skills: CAPA Leadership, Root Cause Analysis, Electrical Lab Diagnostics, PCBA Design, Failure Analysis
Menlo Park, California, United States · On-site
$109k–$123k/yr
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 …
Skills: Fleet Operations, Data Analysis, Troubleshooting, Incident Resolution, Python
Columbus, Ohio, United States · On-site
$26/hr–$35/hr
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 …
Skills: Mechanical Assembly, Mechanical Repair, Precision Measuring, Micrometers, Bore Gauges
Columbus, Ohio, United States · On-site
$35/hr–$50/hr
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 …
Skills: Mechanical Assembly, Mechanical Repair, Precision Measuring, Troubleshooting, Google Workspace
Menlo Park, California, United States • Remote OK
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Design and implement clean power solutions by configuring and starting up linear generator systems at customer sites. Collaborate with interdisciplinary engineering teams to troubleshoot operational issues and refine commissioning procedures and automation toolkits.
Requires a Bachelor's degree in mechanical engineering, electrical engineering, physics, or a related field with proficiency in at least one programming language. Candidates must be willing to travel nationwide up to 50% of the time and possess strong analytical problem-solving skills.
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:
Mainspring Energy seeks a Commissioning Operations Engineer to design and implement resilient, clean power solutions for Commercial & Industrial customers. This involves customer engagement, site visits, and configuring & starting up custom systems based on Mainspring's linear generators. This new role offers an opportunity to shape future workflows and is ideal for analytical engineers comfortable in dynamic settings. The Linear Generator is a complex system requiring a strong understanding of operations, systems engineering, and data analysis. We are looking for a driven and inquisitive individual to excel in this interdisciplinary position.
Operate and test our Linear Generator units after new site installations to allow seamless integration into Mainspring’s growing LGen fleet
Travel to customer sites and project locations to support new installations, site acceptance tests, and customer demonstrations
Enhance current commissioning procedures to improve testing efficiency and shorten timelines.
Troubleshoot and root cause operation issues with our linear generators in collaboration with other engineering teams such as Mechanical, Electrical, and Software & Controls
Work directly with our commissioning technicians to facilitate repairs, retrofits, and provide operational training on our generators
Analyze data, generate reports and communicate results from commissioning to our customers, internal project managers, and with engineering teams to facilitate learnings
Build and refine automation scripts, commissioning toolkits, and data-driven processes that streamline onboarding, testing, and fault recovery
Bachelor’s degree in mechanical engineering, electrical engineering, physics, or equivalent
Experience in project management
Strong organizational and communication skills
Understanding of electrical power distribution and control systems
Proficiency in at least one programming language (e.g. Python, C++, MATLAB)
Knowledge of industrial communication protocols (e.g., Modbus, Ethernet/IP)
Strong analytical and problem-solving skills, with the ability to troubleshoot complex technical issues efficiently
Demonstrates flexibility in approach and willingness to take on new challenges
Detail-oriented and comfortable working in a fast-paced environment
Enjoy working with complex systems and collaborating in interdisciplinary teams
Willingness and ability to travel nationwide up to 50% of the time
Master’s degree in Engineering or related field and/or 3+ years of applicable experience
Hands-on experience in industrial equipment installation/commissioning, including interpreting schematics and technical specifications
Familiarity with microgrid controls solutions, devices, programming, technical challenges, constraints, energy management systems, and controls architecture is preferred
Experience working directly with customers in a technical or engineering capacity
This position is remote. The salary will be adjusted to reflect local market conditions based on employee location as well as the experience of the employee. Along with the base salary, Mainspring offers 10% bonus + pre-IPO stock options + benefits.
Does your experience not meet all of our posted requirements? Studies have shown that some people are less likely to apply to positions unless they meet every listed requirement. At Mainspring, we are committed to building a diverse, inclusive, flexible, and collaborative environment, so if you want to help us transition the world to clean and affordable electricity, and don’t meet all posted requirements for a particular role, we’d still love to hear from you. Mainspring can sometimes be flexible enough to shift responsibilities for the right person, or otherwise identify open or upcoming roles that may better fit your professional background.
In more traditional words, Mainspring Energy, Inc is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, or protected veteran status and will not be discriminated against on the basis of disability.
This compensation and benefits information is based on Mainspring Energy's estimate as of the date of publication and may be modified in the future. We generally do not negotiate on salary once we have made an offer. The level of pay within the range will depend on a variety of job-related factors that may include location, relevant prior experience and/or education, or particular skills and expertise. New hires joining the company tend to be paid within the starting base pay range noted above, with opportunities to increase pay over time based on development of additional skills, competencies, and company-specific knowledge.
We deliver local power where and when you need it.
Mainspring is a power generator manufacturer redefining how local power is delivered to capacity constrained companies and communities. No other primary power solution can match the flexibility, affordability, and low emissions of a Mainspring Linear Generator. Mainspring customers across key industries — utilities, data centers, enterprise, and industrial — are taking control of their energy futures.
Offices: 3601 Haven Avenue, Menlo Park, CA 94025, US
We deliver local power where and when you need it.
Mainspring is a power generator manufacturer redefining how local power is delivered to capacity constrained companies and communities. No other primary power solution can match the flexibility, affordability, and low emissions of a Mainspring Linear Generator. Mainspring customers across key industries — utilities, data centers, enterprise, and industrial — are taking control of their energy futures.
Offices: 3601 Haven Avenue, Menlo Park, CA 94025, US
