{"schemaVersion":"jobsearcher.job.v1","id":"eb6f470f1dffa661733b3d8e","url":"https://jobsearcher.com/jobs/eb6f470f1dffa661733b3d8e","canonicalUrl":"https://jobsearcher.com/jobs/eb6f470f1dffa661733b3d8e","title":"Staff Reliability Engineer, Electrical Systems","description":"About Mainspring\nMainspring 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.\n\nThe core values that ground our work, guide our decisions, and connect us together:\n\nPragmatic Optimism\n\nExcellence without Ego\n\nProactive Collaboration\n\nJob Overview\nMainspring 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.\n\nResponsibilities\n\nPerform reliability testing including mechanical stress tests, shock, vibration and environmental testing.\n\nPrepare concise and detailed test plans and reports.\n\nConduct failure analysis using analytical techniques and methodology to derive root cause.\n\nDirect and develop design engineers in the implementation of the product performance risk analysis process.\n\nLead cross functional teams executing FMEA for design, process and maintenance.\n\nDevelop verification test plans with design engineers based on system and sub-system specs and possess the knowledge of system architecture and industry standard protocols.\n\nDesign, 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.\n\nBased on knowledge of UL and NFPA standards, guide cross-functional design team for excellence of design in electrical & fuel system components.\n\nQualification\n\nBachelor of Science in Electrical Engineering or Mechanical Engineering\n\n8+ years experience with testing for mechanical, electrical or electromechanical systems with an emphasis on reliability or 5+ years with a masters degree in a related field\n\nExperience working in a dynamic engineering environment, where systems and processes are evolving rapidly.\n\nDemonstrated ability to independently spearhead reliability initiatives from conception to completion, leveraging strong interpersonal skills to mentor or lead small groups of engineers\n\nDemonstrated ability to execute challenging multi-system engineering projects\n\nIn depth understanding and use of FMEA (Failure Mode and Effects Analysis)\n\nAbility to set up and automate a variety of repetitive testing operations.\n\nData Analysis and reporting capabilities (Python, Matlab, Google Docs, Weibull ++, JMP, etc.)\n\nExperience with CAPA (Corrective Action Preventative Action) type processes (RCA, 8D, etc.), in iterative development to improve products.\n\nProficiency and knowledge in use of a wide variety of instrumentation/sensors and DAQ devices\n\nStrong understanding of electrical system concepts and components, a plus\n\nUnderstanding of failure characterization and reliability of HV/LV electronics hardware, a plus\n\nExperience using failure analysis techniques such as X-ray, CT, cross-sectioning and optical microscopy, a plus.\n\nExperience in compliance testing and knowledge of standards (UL, IEC, etc.), a plus.\n\nStrong understanding of mechanical assemblies, a plus.\n\n$151,000 - $178,190 a year\n\nonsite 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.\n\nMainspring 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.\n\nThis 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.\n\n#J-18808-Ljbffr","company":"Ring","rawCompany":"ring","city":"Menlo Park","state":"CA","isRemote":false,"isActive":false,"createdAt":"2026-06-22T03:25:57.999Z","occupations":[{"code":"17-2071.00","title":"Electrical Engineers","slug":"electrical-engineers"},{"code":"17-2112.02","title":"Validation Engineers","slug":"validation-engineers"},{"code":"17-2199.00","title":"Engineers, All Other","slug":"engineers-all-other"}],"industries":[{"code":"541330","title":"Engineering Services","slug":"engineering-services"},{"code":"221118","title":"Other Electric Power Generation","slug":"other-electric-power-generation"},{"code":"221111","title":"Hydroelectric Power Generation","slug":"hydroelectric-power-generation"}],"jobPosting":{"@context":"https://schema.org","@type":"JobPosting","title":"Staff Reliability Engineer, Electrical Systems","description":"About Mainspring\nMainspring 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.\n\nThe core values that ground our work, guide our decisions, and connect us together:\n\nPragmatic Optimism\n\nExcellence without Ego\n\nProactive Collaboration\n\nJob Overview\nMainspring 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.\n\nResponsibilities\n\nPerform reliability testing including mechanical stress tests, shock, vibration and environmental testing.\n\nPrepare concise and detailed test plans and reports.\n\nConduct failure analysis using analytical techniques and methodology to derive root cause.\n\nDirect and develop design engineers in the implementation of the product performance risk analysis process.\n\nLead cross functional teams executing FMEA for design, process and maintenance.\n\nDevelop verification test plans with design engineers based on system and sub-system specs and possess the knowledge of system architecture and industry standard protocols.\n\nDesign, 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.\n\nBased on knowledge of UL and NFPA standards, guide cross-functional design team for excellence of design in electrical & fuel system components.\n\nQualification\n\nBachelor of Science in Electrical Engineering or Mechanical Engineering\n\n8+ years experience with testing for mechanical, electrical or electromechanical systems with an emphasis on reliability or 5+ years with a masters degree in a related field\n\nExperience working in a dynamic engineering environment, where systems and processes are evolving rapidly.\n\nDemonstrated ability to independently spearhead reliability initiatives from conception to completion, leveraging strong interpersonal skills to mentor or lead small groups of engineers\n\nDemonstrated ability to execute challenging multi-system engineering projects\n\nIn depth understanding and use of FMEA (Failure Mode and Effects Analysis)\n\nAbility to set up and automate a variety of repetitive testing operations.\n\nData Analysis and reporting capabilities (Python, Matlab, Google Docs, Weibull ++, JMP, etc.)\n\nExperience with CAPA (Corrective Action Preventative Action) type processes (RCA, 8D, etc.), in iterative development to improve products.\n\nProficiency and knowledge in use of a wide variety of instrumentation/sensors and DAQ devices\n\nStrong understanding of electrical system concepts and components, a plus\n\nUnderstanding of failure characterization and reliability of HV/LV electronics hardware, a plus\n\nExperience using failure analysis techniques such as X-ray, CT, cross-sectioning and optical microscopy, a plus.\n\nExperience in compliance testing and knowledge of standards (UL, IEC, etc.), a plus.\n\nStrong understanding of mechanical assemblies, a plus.\n\n$151,000 - $178,190 a year\n\nonsite 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.\n\nMainspring 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.\n\nThis 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.\n\n#J-18808-Ljbffr","datePosted":"2026-06-22T03:25:57.999Z","dateModified":"2026-06-22T03:25:57.999Z","hiringOrganization":{"@type":"Organization","name":"Ring","sameAs":"https://jobsearcher.com"},"jobLocation":{"@type":"Place","address":{"@type":"PostalAddress","addressLocality":"Menlo Park","addressRegion":"CA","addressCountry":"US"}},"identifier":{"@type":"PropertyValue","name":"JobSearcher","value":"eb6f470f1dffa661733b3d8e"},"url":"https://jobsearcher.com/jobs/eb6f470f1dffa661733b3d8e"}}