Mainspringenergy
New↻ Repost
USD 108768–123600/yr

R&D Test Engineer

United StatesUnited States·EdisonSalarymid
OtherR&D Test Engineer
0 views0 saves0 applied

Quick Summary

Overview

Mainspring is seeking an open-minded, curious, and highly motivated R&D Test Engineer who likes to solve challenging cross-functional problems in both a research and production environment.

Technical Tools
OtherR&D Test Engineer

Mainspring is seeking an open-minded, curious, and highly motivated R&D Test Engineer who likes to solve challenging cross-functional problems in both a research and production environment. In this role, you will design and execute tests on the Linear Generator, focusing on new electrical and software changes that improve product capabilities and performance.You will lead critical sub-system and system-level development and validation tests on new releases of our product and gain exposure to the entire system, including electrical and mechanical components, software, and controls. The breadth of this role is perfect for an engineer or researcher who wants to use their advanced experimental and analytical skills in a fast-paced product development environment.

  • Perform hands on work and work directly with technicians to troubleshoot, retrofit, and operate our Linear Generator test units

  • Collaborate with engineering teams to steer R&D projects by designing and executing experiments that inform product design

  • Analyze data, generate reports and communicate results with engineering teams to facilitate learnings and design releases

  • Manage test priorities on a daily basis to meet higher level deadlines with a focus on throughput and completing high value studies

  • Develop & improve processes and infrastructure to support testing on our next generation products

  • Master’s degree in electrical engineering, mechanical engineering, physics, or equivalent with 3+ years of applicable experience

  • Experience designing and executing tests in an industrial or academic environment, specifically involving instrumentation and data analysis

  • Successful communicator, with a collaborative mindset, who will interface across a range of teams and personalities

  • Proficiency in programming with Python/ MatLab/ C++ (at least one)

  • Strong organizational and project management skills

  • Location & Eligibility

    Where is the job
    Edison, United States
    On-site at the office
    Who can apply
    US

    Listing Details

    Posted
    August 21, 2026
    First seen
    August 24, 2026
    Last seen
    August 25, 2026

    Posting Health

    Days active
    0
    Repost count
    1
    Trust Level
    70%
    Scored at
    August 24, 2026

    Signal breakdown

    freshnesssource trustcontent trustemployer trust
    Newsletter

    Stay ahead of the market

    Get the latest job openings, salary trends, and hiring insights delivered to your inbox every week.

    A
    B
    C
    D
    Join 12,000+ marketers

    No spam. Unsubscribe at any time.

    MainspringenergyR&D Test EngineerUSD 108768–123600