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Principal Mechanical Design Engineer, Industrial Enclosures
Job Location:
Job Location:
Austin, TX - USA
Monthly Salary:
$ 130000 - 183000
Monthly Salary:
Posted:
7 June 2026 (30+ days ago)
Posted:
Application Deadline:
4 September 2026
Application Deadline:
Vacancies:
1 Vacancy
Vacancies:
Department:
Job Summary
Description
Enphase Energy is a global energy technology company and a leading provider of solar battery and electric vehicle charging products. Founded in 2006 our innovative microinverter technology revolutionized solar power making it a safer more reliable and scalable energy source. Today the Enphase Energy System enables users to make use save and sell their own power. Enphase is also one of the most successful and innovative clean energy companies in the world with more than 80 million products shipped across 160 countries.
Join our dynamic teams designing and developing next-gen energy technologies and help drive a sustainable future!
About the Role
The Enphase Power Systems Innovation team in the office of the CTO is responsible for defining prototyping and supporting Enphases Solid State Transformer products. The team is an integrated multi-disciplinary group looking for motivated individuals who can contribute and collaborate closely with the team to deliver innovative solutions. As a team member you will solve some of the most exciting problems in the energy space and help shape the direction of our products. We are looking for a Principal Mechanical Design Engineer with a strong background inindustrial enclosuredesign including structural analysis ingress protection and thermal integrationwho will own the design of the outer enclosure for Enphasesfirst generation Solid StateTransformer product.
What You Will Do
- Designrobustindustrial equipmentenclosures including structural frames panels rails and mounting systems
- Own theingress protection (IP) designfor outdoor-ratedindustrialenclosures ensuring compliance with target IP ratings through seal design gasketing and drainage strategies
- Performstructural design and FEAfor enclosure systems including load-bearing analysis vibration and shock analysis and seismic qualification
- Conductmaterialselectionfor enclosure components evaluating metals polymers and coatings for strength weight cost and environmental suitability
- Specify andvalidatecorrosion protectionstrategies including coatings plating material pairing and galvanic isolation for outdoor and harsh environments
- Designdoor systemswith integrated latching/locking mechanisms that meet security serviceability and reliability requirements
- Design and integrateforcedair-coolingsystemsto support thermal managementwhilemaintainingIP ratings
- Produce 2D drawings and 3D CAD models evaluate parts and collaborate withinternal stakeholders suppliers and contract manufacturing partners tobring your design to market
- Specify key functional and performance requirements; design and execute verification test plans
- Complete documentation for design testing and analysis
- Hands-on fabrication of electromechanical assemblies and prototypes
- Mentor junior staff
Who You Are and What You Bring
- BS/MS/PhD Mechanical Engineering or closely related discipline
- BS and 15 years / MS and 12 years / PhD and 8 years of mechanical design experience
- Candidates with greater levels of experience may be considered and are encouraged to apply
Minimum Skills Knowledge and Special Attributes
- Ability tosolve problems independently andwork effectively on early-stage product development efforts with ambiguous requirementsand tasks
- Ability to take ownership of development tasks andmanage varioushighimportancetasks simultaneously
- Significant experiencein enclosuremechanical designforlargeelectrical equipmentoranalogous products ( body structures)
- StrongproficiencyinIP-rated enclosure design seal design gasketselection drainage and test validation to IP55/IP65 or equivalent
- Expertiseinstructural FEAand analysis for vibration fatigue seismic and load bearing specific to enclosure structures
- Demonstrated experience inmaterialselectionfor enclosure applications sheet metal (steel aluminum) stainless steel polymers and composites
- Experience specifying and validatingcorrosion protectionapproaches (e.g. e-coat powder coat hot-dip galvanizing anodizing hardware selection for dissimilar metals)
- Experience designingdoor systemswith latching locking and hinge mechanisms for security weather resistance and field serviceability
- Experience integratingfans filters and louversinto enclosure and door designs for thermal management whilemaintainingingress protection
- Expertiseinleveragingvarious high-volumecomponentmanufacturing approaches such as sheet metal stampingweldments casting extrusion and injection molding
- Expertisein various joining techniquessuch as weldingadhesivesriveting & bolted joints
- Highproficiencywith an enterprise CAD package (SolidWorks preferred)
- Good communicationand documentation skills
- Strong hands-on mechanical prototyping skills
Additional Desired Skills
- Proficiencywith multi-physics modeling
- Medium voltage >1kV insulation design and creepage/clearance considerations for enclosures
- Familiarity with common standards for electricalequipment (UL IEC NEMA)
- Experience with thermal management integration at the enclosure level (airflow path design heat dissipation CFD)
Work Location
Austin TX
The base pay range for this position is $130000 to $183000. This salary range may be modified in the future. The successful candidates starting pay will be determined based on job-related skills experience education or training work location and market conditions. This position is also eligible for bonus equity and benefits.
SST
Required Experience:
Staff IC
About Company
Enphase is a global energy management technology company that provides residential and commercial solar plus storage solutions. We manufacture solutions spanning solar generation, energy storage, and web-based monitoring and control.
