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Heirloom CarbonPosted 3 weeks ago

Senior Mechanical Engineer

$145,000–$210,000 year

On-siteBrisbane, California, United States

Full TimeSenior LevelStartupEnvironmental Services

Job Summary

Own end-to-end design of complex mechanical subsystems from requirements through validation and deployment, driving performance across cost, reliability, and manufacturability. Lead design trade studies using first-principles analysis and develop test equipment to support Design for Reliability, including accelerated life and stress testing. Generate detailed 2D drawings with GD&T and partner with suppliers and manufacturing teams to ensure production-ready solutions. Act as a technical leader by mentoring peers and driving best practices while balancing competing constraints through cross-functional collaboration.

Required Qualifications

  • 5+ years of experience designing and delivering products through the full lifecycle, from concept to production
  • Strong passion for product design and solving complex engineering problems with simple, robust solutions
  • Excellent engineering fundamentals, with the ability to apply first principles, modeling, and data to real-world design decisions
  • Experience applying Design for Reliability (DfR) principles, including failure mode identification, reliability modeling, accelerated life and stress testing, and translating test results into durable design improvements
  • Experience with engineering analyses such as reliability modeling, tolerance analysis, FEA, fatigue analysis, and root cause analysis
  • Demonstrated ability to lead technically complex projects or subsystems with minimal supervision
  • Proven track record of working cross-functionally to balance competing requirements and constraints
  • Experience producing clear, accurate drawings and specifications suitable for manufacturing and inspection
  • Strong sense of ownership, accountability, and follow-through—delivering high-quality work on schedule

Desired Qualifications

  • Hands-on experience designing sheet metal (stamping, press brake), weldments, and plastic parts (e.g., injection molding, thermoforming)
  • Background in random vibration and fatigue testing, metallurgy, material and test standards
  • Experience managing development in a product lifecycle management system (PLM)
  • Comfort operating in both fast-paced R&D environments and the structured rigor of NPI execution
  • Experience using NX in a production or industrial context

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