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Principal Mechanical Design Engineer, Industrial Enclosures

United States, Austin Employment contract 150000.00 - 210000.00 USD / Year · Job Posted June 16, 2026
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Job 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!

Job Responsibility

  • Architect the complete enclosure system for Enphase's Solid State Transformer
  • Own ingress protection end-to-end
  • Lead structural analysis and FEA
  • Drive material and corrosion-protection decisions
  • Design high-performance door and access systems
  • Integrate forced-air cooling architectures into the enclosure
  • Bring your designs to life—build 3D CAD models and production drawings in SolidWorks
  • Define verification strategy
  • Shape the team's technical culture by mentoring junior engineers
  • Accelerate your technical growth
  • Expand your impact beyond enclosures
  • Help build a category-defining product

Requirements

  • 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
  • Independent problem-solver who thrives in ambiguity
  • Relentless ownership mentality
  • Deep enclosure design expertise for large-scale electrical equipment or analogous products
  • IP-rated sealing mastery
  • Structural FEA authority
  • Materials & corrosion-protection strategist
  • Corrosion protection validation chops
  • Door & access system designer
  • Thermal-mechanical integration pro
  • Manufacturing-savvy engineer
  • Joining techniques expert
  • CAD power user
  • Clear communicator & documenter
  • Hands-on prototyping instincts
  • Proven mentor and design leader

Nice to have

  • Multi-physics modeling proficiency
  • Medium-voltage insulation design experience (>1 kV)
  • Standards fluency—working knowledge of UL, IEC, and NEMA standards for electrical equipment

What we offer

  • Bonus
  • Equity
  • Benefits

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