Mechanical Testing and Certification Engineer

Pegasus; Richmond (CA); On-site; USD 90,000 - 120,000; Full time

Job summary

Pegasus Solar is seeking a hands-on Mechanical Test Engineer to design test fixtures and execute rigorous tests on mounting hardware, ensuring structural performance and reliability for PV modules. You will own end-to-end certification processes with UL and other bodies, collaborating with external PEs and Pegasus engineers in a fast-growing solar hardware environment.

Requires 3+ years in mechanical testing, strong root-cause troubleshooting, and SolidWorks fixture design skills.

Qualifications

• 3+ years of experience in mechanical testing.
• Strong mechanical aptitude and hands-on approach; root-cause analysis.
• Proficiency in SolidWorks for fixture/test equipment design (required).
• Proficiency in Microsoft Word and Excel for test plans, data analysis, and certification documentation.
• Shop and fabrication skills — CNC, lathe, and welding experience a plus.
• Bachelor's degree in Mechanical Engineering (required).
• Ability to work in-office at our Richmond, CA headquarters (required).

Responsibilities

• Designing and building custom test fixtures.
• Planning and executing tests on Pegasus mounting hardware to validate structural performance and reliability.
• Owning module certifications end-to-end, keeping Pegasus products certified with new and existing PV modules.
• Helping manage certification processes with UL and other certification bodies.
• Working with our outside PEs on structural reviews and certification documentation.
• Working alongside our senior test engineer on test planning, execution, and reporting.

Skills

Mechanical testing

Test planning

Data analysis

Troubleshooting

Education

Bachelor's degree in Mechanical Engineering

Tools

SolidWorks

Microsoft Word

Microsoft Excel

CNC

Lathe

Welding

Job description

Pegasus Solar is the fastest-growing provider of proprietary solar mounting hardware and project design software in the U.S. In 2025, we'll manufacture and ship more than 13 million parts — with a Pegasus system installed once per minute.

We're a tight-knit, high-impact team driven to accelerate solar deployment by making it simpler, faster, and better. Founded in 2012, Pegasus partners with installers to design and engineer products that improve installation efficiency and long-term reliability. With 180+ patents issued/pending and 500,000 systems installed, we continue to set the standard for innovation and reliability in solar. Our mission is to give installers a better day on the job — and system owners a better product for life.

If you're passionate about clean energy, innovation, and scaling world-class hardware, this is where you'll make an impact.

What your day looks like:

• Designing and building custom test fixtures
• Planning and executing tests on Pegasus mounting hardware to validate structural performance and reliability
• Owning module certifications end-to-end, keeping Pegasus products certified with new and existing PV modules
• Helping manage certification processes with UL and other certification bodies
• Working with our outside PEs on structural reviews and certification documentation
• Working alongside our senior test engineer on test planning, execution, and reporting

What we're looking for:

• 3+ years of experience in mechanical testing
• Strong mechanical aptitude and a hands-on approach — troubleshooting a failure to root cause comes naturally to you
• Proficiency in SolidWorks for fixture and test equipment design (required)
• Proficiency in Microsoft Word and Excel for test plans, data analysis, and certification documentation
• Shop and fabrication skills — CNC, lathe, and welding experience a plus
• Bachelor's degree in Mechanical Engineering (required)
• Ability to work in-office at our Richmond, CA headquarters (required)