Job opening

Battery Pack- Mechanical Engineer

Fruition Group US

10 locations in CA

Filed under Defense and Space Manufacturing

Full job description

Battery Pack Engineer – Mechanical


Location: San Francisco, CA


About the role

As a Mechanical Engineer on our battery team, you'll lead the design and analysis of lithium-ion battery packs across the full program lifecycle - concept, prototyping, analysis, modeling, drafting, manufacturing, and test - helping bring our portfolio to market across multiple industries.


What you'll do

  • Lead product design and development for our battery packs
  • Drive program-critical decisions across engineering teams
  • Identify core issues, develop solutions, and communicate impacts internally and externally
  • Create and deliver CAD models and presentations to customers
  • Develop supporting documentation - BOMs, assembly and installation procedures
  • Ensure compliance with standards and battery pack performance requirements
  • Work cross-functionally to verify battery hardware and software meet system needs


What you bring

  • 3+ years of system design for lithium-ion battery packs or related technologies
  • 5+ years of engineering experience in automotive, aerospace, or industrial sectors
  • Experience designing, developing, and testing battery systems for electrified propulsion or stationary storage
  • Strong technical communication and demonstrated leadership, collaboration, and problem-solving
  • Basic understanding of UL or similar certification processes
  • Proficiency in CAD (Catia or Solidworks) and analysis packages (FEMAP, NASTRAN, or equivalent)
  • BS in Mechanical Engineering, Electrical Engineering, Physics, or similar


Export-controlled role: candidates must be a U.S. citizen, permanent resident

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