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Senior Field Service Technician (Worcester, MA)
Mainspring Energy
Worcester, MA
- $36 to $51.3 USD / hour
Added 22 hours ago
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Field Service Technician (Long Island, NY)
Mainspring Energy
Long Island, NY
- $27 to $36 USD / hour
Added 2 days ago
ME
Senior Indirect Buyer
Mainspring Energy
Menlo Park, CA
- $98,000 to $115,000 USD / year
Added 2 days ago
ME
Controls Engineer - Electrical Systems Control
Mainspring Energy
Menlo Park, CA
- $119,033 to $140,039 USD / year
Added 3 days ago
ME
Senior Staff Controls Software Engineer
Mainspring Energy
Menlo Park, CA
- $189,371 to $222,789 USD / year
Added 3 days ago
ME
Senior Executive Assistant
Mainspring Energy
Menlo Park, CA
- $128,000 to $150,000 USD / year
Added 3 days ago
ME
Senior Sustaining Controls Engineer
Mainspring Energy
Menlo Park, CA
- $138,872 to $163,379 USD / year
Added 3 days ago
ME
Senior Project Manager - Grid Scale
Mainspring Energy
Remote, United States
- $135,265 to $159,135 USD / year
Added 3 days ago
ME
Senior Project Coordinator
Mainspring Energy
Remote, United States
- $112,721 to $132,613 USD / year
Added 4 days ago
ME
Director, Electrical Strategic Sourcing
Mainspring Energy
Remote, United States
- $188,232 to $221,450 USD / year
Added 7 days ago
ME
Senior Staff Project Strategist
Mainspring Energy
Menlo Park, CA
- $196,000 to $231,000 USD / year
Added 9 days ago
ME
Software Deployment Operations Manager
Mainspring Energy
Menlo Park, CA
- $115,000 to $135,000 USD / year
Added 12 days ago
ME
Staff Project Engineer - Grid Scale
Mainspring Energy
Remote, United States
- $135,265 to $159,135 USD / year
Added 12 days ago
ME
Staff Power Systems Site Integration Engineer
Mainspring Energy
Remote, United States
- $135,265 to $159,135 USD / year
Added 13 days ago
ME
Senior Staff Software Test & Automation Engineer
Mainspring Energy
Menlo Park, CA
- $160,000 to $190,000 USD / year
Added 14 days ago
ME
Staff Product Performance Engineer
Mainspring Energy
Menlo Park, CA
- $156,005 to $183,536 USD / year
Added 14 days ago
ME
Senior Product Performance Engineer
Mainspring Energy
Menlo Park, CA
- $129,854 to $152,770 USD / year
Added 15 days ago
ME
Senior Product Integration Engineer (CAD)
Mainspring Energy
Menlo Park, CA
- $130,000 to $153,000 USD / year
Added 15 days ago
ME
Vice President, Electrical Engineering
Mainspring Energy
Menlo Park, CA
- $285,000 to $335,000 USD / year
Added 17 days ago
ME
FP&A Manager - Services
Mainspring Energy
Menlo Park, CA
- $132,000 to $145,000 USD / year
Added 18 days ago
ME
Manager, CAD & Design Systems
Mainspring Energy
Menlo Park, CA
- $180,000 to $210,000 USD / year
Added 19 days ago
ME
Vice President, Financial Planning & Analysis
Mainspring Energy
Menlo Park, CA
- $263,000 to $300,000 USD / year
Added 19 days ago
ME
Sustaining Controls Engineer
Mainspring Energy
Menlo Park, CA
- $119,033 to $140,039 USD / year
Added 19 days ago
ME
Staff Technical Program Manager, Software Engineering
Mainspring Energy
Menlo Park, CA
- $151,400 to $178,000 USD / year
Added 19 days ago
ME
Staff Supplier Quality Engineer - Special Processes
Mainspring Energy
Menlo Park, CA
- $140,000 to $165,000 USD / year

Mainspring Energy

R&D Test Engineer

Menlo Park, CA, United States

$108,768 to $123,600 USD / year

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Job details

Pay: $108,768 to $123,600 USD / year
Experience: Master’s degree in electrical engineering, mechanical engineering, physics, or equivalent with 3+ years of applicable experience
Posting language: English
Posted: Aug 21, 2026

Original job description

Job 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. 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.

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

Qualifications

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

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More about this job

Skills

Research
Analytical skills
Troubleshoot
Manage tests
Improve business processes
Electrical engineering
Mechanical engineering
Data analysis
Python
C++
Project management

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