R&D Test Engineer

Mainspring Energy

Menlo Park, Canada

Full Time

Posted August 21, 2026

$109k - $124k

Power Generation

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Listing evidence and provenance

Source: lever View original listing
Freshness: Open in the current public read path; this is not an employer guarantee.Last observed September 29, 2026
Classification: Modern power-system classification not yet published for this listing.Legacy source industry field: Power Generation
Pay provenance: Employer-provided pay

Job Description

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.

Key Responsibilities

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

Requirements

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