Mainspring Energy is revolutionizing power generation with the world’s most flexible and adaptable local power generation technology, the Mainspring Linear Generator. Commercial, industrial, and utility leaders are choosing Mainspring over traditional options like engines, turbines, and fuel cells to quickly and reliably deliver local power for EV charging, commercial facilities, data centers, and grid-scale operations.

The Mainspring Linear Generator is fuel flexible, ramps up and down to meet demand, and utilizes a flameless reaction with near-zero NOx emissions. Backed by top-tier investors including Khosla Ventures, Bill Gates, American Electric Power, Lightrock, and General Catalyst Mainspring designs, manufactures and delivers its products to customers across the U.S. today, and we’re quickly scaling for international expansion.

Inspired by our vision of the affordable, reliable, net-zero carbon grid, Mainspring is rapidly expanding within the $816B global electricity equipment market, and we’re hiring the best talent to meet growing customer demand around the globe. We welcome a broad range of backgrounds, experiences, and talents to bring fresh perspectives and ongoing innovation to our customers.

We are looking to build relationships with people who share our values:

Pragmatic Optimism. Building a new category of world-class power generation requires the optimism of ambition and creativity, balanced with practicality to solve problems efficiently. The challenges that arise are opportunities for growth.

Excellence without Ego. We bring expertise and commitment to creating the best customer experience, from sales to deployment and service, just as we apply deep technical rigor to building and delivering world-class products. We strive for excellence and behave as leaders with the humility to acknowledge our challenges, both collectively and as individual contributors.

Proactive Collaboration. The integration and cross-disciplinary nature of Mainspring’s business requires intentionally seeking out others who bring different skills, perspectives, and priorities. Our culture of inclusion and respect extends beyond our team to interactions with our partners and customers.

More information can be found at www.mainspringenergy.com

Job Overview

Mainspring Energy is growing rapidly and has begun to manufacture its Linear Generators in volume, and reliability is a crucial element to the success of the product. The reliability team is responsible for evaluating design risks, and implementing tests and analyses to quantify and reduce risk to an acceptable level for the target market. Reliability engineers will use tools such as FMEA, HALT and root-cause analysis on a regular basis. The successful candidate is highly organized and communicative, and will thrive in a nimble fast-paced environment that includes product engineering, R&D and manufacturing.

Responsibilities

Perform reliability testing including mechanical stress tests, shock, vibration and environmental testing
Prepare concise and detailed test plans and reports
Conduct failure analysis using analytical techniques and methodology to derive root cause
Direct and develop design engineers in the implementation of the product performance risk analysis process
Lead cross functional teams executing FMEA for design, process and maintenance
Develop verification test plans with design engineers based on system and sub-system specs and possess the knowledge of system architecture and industry standard protocols
Design, build and run specialized test equipment as required to test unique electrical operating circuits with an emphasis on maximizing test output to obtain results with rapid design cycles
Based on knowledge of UL and NFPA standards, guide cross-functional design team for excellence of design in electrical & fuel system components

Qualification

Bachelor of Science in Electrical Engineering or Mechanical Engineering
5+ years experience with testing for electrical hardware, PCBA’s or cable assemblies with an emphasis on reliability
Experience working in a dynamic engineering environment, where systems and processes are evolving rapidly
Demonstrated ability to complete challenging multi-system engineering projects
In depth understanding and use of FMEA (Failure Mode and Effects Analysis)
Ability to set up and automate a variety of repetitive testing operations
Data Analysis and reporting capabilities (Python, Matlab, Google Docs, Weibull ++, JMP, etc.)
Experience with CAPA (Corrective Action Preventative Action) type processes (RCA, 8D, etc.), in iterative development to improve products
Strong understanding of electrical system concepts and components
Ability to navigate schematic and PCBA layout using ECad tools (Altium365, Orcad etc.)
Proficiency in use of Oscilloscope, Function Generator and DMM
Understanding of failure characterization and reliability of HV/LV electronics hardware, a plus
Experience using failure analysis techniques such as X-ray, CT, cross-sectioning and optical microscopy, a plus
Experience in compliance testing and knowledge of standards (UL, IEC, etc.), a plus
Strong understanding of mechanical assemblies, a plus

This position is onsite at our Menlo Park HQ. 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 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 may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.

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