Skip to main content

Mainspring Energy

R&D Test Engineer

Menlo Park, California, United States

Location
Menlo Park, California, United States
Work
On-site
Employment
Not stated
Level
Not stated
Function
Engineering
Pay
$108.8K – $123.6K a year
Posted
2 months ago

About the role

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

This position is onsite 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 base salary, Mainspring offers pre-IPO company equity through Restricted Stock Units (RSUs) + benefits.

Source

Posted by Mainspring Energy on their own hiring page, jobs.lever.co. OptiTalent shows it as published, read 07 Nov 2026 03:49 UTC; the original is the reference.

View the original ad ↗

More at Mainspring Energy

  • Mainspring Energy · Menlo Park, California, United States

    On-siteSenior$128K – $150K a yearAdministration

    We are seeking a highly proactive, detail-oriented, and adaptable Senior Executive Assistant to provide high-level administrative, operational, and strategic support to members of our Executive Leadership Team. Reporting directly to the SVP, People Operations, this role will…

  • Mainspring Energy · Menlo Park, California, United States

    HybridMid level$119K – $140K a yearEngineering

    Do you enjoy controlling multi-domain physical systems like robots, cars, or generators using embedded systems? Are you passionate about modeling system dynamics (linear or nonlinear), designing control algorithms, implementing them in hardware, and verifying real-world…

  • Mainspring Energy · Menlo Park, California, United States

    On-siteSenior$138.9K – $163.4K a yearEngineering

    The Senior Sustaining Controls Engineer will play a crucial role in the success of our product automatically and reliably fulfilling customers’ electricity demand. You will work closely with cross-functional teams to diagnose and resolve issues, differentiate between…

  • Mainspring Energy · Menlo Park, California, United States

    On-siteLead / staff$189.4K – $222.8K a yearEngineering

    Mainspring Energy is seeking a highly skilled Sr. Staff Controls Software Engineer to architect, develop, and deploy industrial-grade Human-Machine Interfaces (HMI) and SCADA systems for our Linear Generator sites. As a senior individual contributor and technical lead, you will…