Mainspring Energy

Senior Reliability Engineer, Electrical Systems

Job Description

Posted on: 
2026-05-13

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.
  • Design, build, and run specialized test equipment for unique electrical operating circuits.

Job Requirements

  • Bachelor of Science in Electrical Engineering or Mechanical Engineering.
  • 5+ years of experience with testing for electrical hardware, PCBA’s, or cable assemblies with an emphasis on reliability.
  • Experience in a dynamic engineering environment with evolving systems and processes.
  • 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.).
  • Strong understanding of electrical system concepts and components.
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