Sr. Staff Mechanical Design Engineer Jobs

Enphase Energy

Location:
United States, Austin

Category:
IT - Software Development

Contract Type:
Not provided

Salary:

110000.00 - 167000.00 USD / Year

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Job Description:

The Enphase Energy Storage and Systems Innovation team in the office of the CTO is responsible for defining, prototyping, and supporting the next generations of Enphase storage and systems products. The team is an integrated, multi-disciplinary group that is fast-moving and looking for motivated individuals that can contribute and collaborate closely with the team to deliver innovative solutions. As a member of the team, you will solve some of the most exciting problems in the energy space and help shape the direction of our products.

Job Responsibility:

Design high quality mechanical and electromechanical part and assembly designs efficiently and with good modeling practices
Produce 2D drawings and 3D CAD models, evaluate parts, and collaborate with a multi-disciplinary design team, suppliers, and contract manufacturing partners to develop product prototypes
Specify key functional and performance requirements
design and execute verification test plans
Perform mechanical analysis, structural FEA, vibration and shock analysis, FMEA, and design verification testing to inform designs and resolve issues and failures in prototype products
Research, analyze, implement, and test new materials and technologies to support innovative energy storage and system product designs
Complete documentation for design, testing, and analysis
Hands-on fabrication of electromechanical assemblies and prototypes
Work with a multi-disciplinary team to test and troubleshoot prototype designs
Mentor junior staff

Requirements:

BS/MS/PhD Mechanical Engineering or closely related discipline
Minimum experience: BS and 5+ years / MS and 3+ years / PhD with mechanical design experience for a Senior Engineer
BS and 8+ years / MS and 6+ years / PhD and 3+ years mechanical design experience for a Staff Engineer
BS and 12+ years / MS and 8+ years / PhD and 5+ years mechanical design experience for a Sr. Staff Engineer
Significant experience in product and part mechanical design
Expertise leveraging various high volume manufacturing approaches such as sheet metal stamping, die casting, extrusion, forging, laser welding, CNC machining, thermoforming, silicone/rubber molding, injection molding, etc.
Proficiency with structural FEA and analyses for vibration, fatigue, and load bearing
Experience designing products for manufacturability and reliability
High proficiency with an enterprise CAD package (Solidworks preferred)
Outdoor product design experience for various ingress protection environments
Good communication and documentation skills
Ability to work effectively on early-stage product development efforts with ambiguous requirements
Strong hands-on mechanical prototyping skills
Ability to take ownership of development tasks and drive them to completion in a timely manner and with high quality to support team success

Nice to have:

Experience with design for energy product mechanical subsystems such as enclosures, racking systems, busbars, high voltage interconnects, insulation systems, battery chassis, electronics mounting, thermal management systems, and fire protection and containment systems
Familiarity with common standards for electrical equipment and energy storage systems
Experience integrating Printed Circuit Board (PCB) Assemblies and with MCAD/ECAD import/export tools and processes for collaboration between mechanical engineers and PCB layout engineers
Experience designing passive and active solutions for thermal management within a product

What we offer:

bonus
equity
benefits

Additional Information:

Job Posted:
December 08, 2025

Employment Type:

Fulltime

Work Type:

On-site work

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Sr. Staff Mechanical Design Engineer