Senior R&D Reliability Technician

Mainspringenergy; Houston (TX); On-site; USD 70,000 - 100,000; Full time

Job summary

Mainspring Energy in Houston is seeking a Sr Reliability R&D Technician to join our Product Testing team and help drive reliability improvements for our linear generator technology.

You will work at a new endurance-testing site, collaborating with test engineering to inspect, diagnose, repair, and validate generator components while communicating findings to stakeholders.

Qualifications

• 6+ years hands-on mechanical assembly/repair experience.
• Automotive or heavy equipment assembly experience is a plus.
• Experience with precision measuring instruments (micrometers, bore gauges, gauge blocks).
• Ability to learn quickly and maintain a high safety standard.
• Basic software familiarity is a plus.

Responsibilities

• Build and repair cutting-edge generator components and assemblies following procedures; suggest improvements.
• Troubleshoot mechanical and basic electrical issues, perform root cause analysis, repair parts.
• Inspect test units and document findings to support failure analysis and design improvements.
• Conduct comprehensive generator testing and validation with the test team.

Skills

Mechanical assembly

Repair

Learning agility

Safety awareness

Customer-facing communication

Tools

Micrometers

Bore gauges

Gauge blocks

Calipers

Software basics

Job description

About Mainspring

Mainspring Energy manufactures and delivers fuel-flexible, low-emissions local power solutions that rapidly add new capacity and deliver reliable, affordable, and sustainable electric power. The company began commercial shipments of its Mainspring Linear Generators in 2020 and today has hundreds of megawatts in advanced development and field operations for leading Fortune 500 companies, data centers, and utilities. Mainspring also partners with global energy leaders including AEP, NextEra Energy Resources, Schneider Electric, and more.

The core values that ground our work, guide our decisions, and connect us together:

• Pragmatic Optimism
• Excellence without Ego
• Proactive Collaboration

We are seeking enthusiastic and resourceful individuals with a strong mechanical background to join our growing Product Testing team as a Sr Reliability R&D Technician in Houston, Texas. You will be at the forefront at a new site for endurance testing to drive reliability improvements on our product.

If you have a knack for mechanics, enjoy tackling novel challenges, and possess a passion for creative problem-solving in a fast paced environment, this could be the perfect opportunity for you. In this role, you will be instrumental in the testing of our innovative linear generator technology. You will play a direct role in working closely with our test engineering team conducting inspections, diagnostics, reactive repairs and performing some functionality testing of our generators.

The ideal candidate is highly motivated, demonstrates strong personal integrity, and is capable of working independently while maintaining a high standard of quality and accountability. This role requires professionalism and confidence in customer-facing interactions, as you may engage with customers, partners, and cross‑functional stakeholders to communicate testing activities, technical findings, and operational updates.

Responsibilities

• Build: Apply your mechanical skills and expertise to repair, assemble cutting‑edge generator components and assemblies, adhering to established procedures while proactively identifying areas for improvement
• Troubleshoot and Repair: Partner with engineers to diagnose issues for both mechanical and basic electrical elements, perform root cause analysis, and repair components and assemblies, directly impacting the evolution of our generator designs
• Inspect and Document: Perform thorough inspections of test units and meticulously record findings to support failure analysis and drive critical design and process improvements
• Testing & Validation: Execute comprehensive testing, and general generator system functional testing in collaboration with test team

Qualifications

• Minimum of 6 years of hands‑on experience with mechanical assembly and/or repair
• Experience with automotive or heavy equipment assembly is a plus
• Proven ability to learn quickly, a strong sense of self‑motivation, and a demonstrated commitment to safety
• Experience with precision measuring instruments, capable of measurements down to .001”, using tools such as micrometers, bore gauges, and gauge blocks.
• Software familiarity and experience is a plus
• Forklift or heavy equipment operation experience a plus

Does your experience not meet all of our posted requirements? Studies have shown that some people are less likely to apply to positions unless they meet every listed requirement. At Mainspring, we are committed to building a diverse, inclusive, flexible, and collaborative environment, so if you want to help us transition the world to clean and affordable electricity, and don’t meet all posted requirements for a particular role, we’d still love to hear from you. Mainspring can sometimes be flexible enough to shift responsibilities for the right person, or otherwise identify open or upcoming roles that may better fit your professional background.

In more traditional words, Mainspring Energy, Inc is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, or protected veteran status and will not be discriminated against on the basis of disability.

This compensation and benefits information is based on Mainspring Energy's estimate as of the date of publication and may be modified in the future. We generally do not negotiate on salary once we have made an offer. The level of pay within the range will depend on a variety of job-related factors that may include location, relevant prior experience and/or education, or particular skills and expertise. New hires joining the company tend to be paid within the starting base pay range noted above, with opportunities to increase pay over time based on development of additional skills, competencies, and company-specific knowledge.