Hiring: Senior Mechanical Engineer Company: Heirloom Location: Brisbane, CA Job Posted Time: 2026-09-16 13:48:41 Employment Type: Full-time Target Skills & Keywords : Product Lifecycle Management, R, Root Cause Analysis About the job Experience: •5+ years of experience designing and delivering products through the full lifecycle, from concept to production Required Skills: •Be expected to challenge assumptions, rigorously evaluate tradeoffs, and push the boundaries of design and manufacturing while maintaining a clear focus on cost, reliability, and long-term operability. This is a high-ownership individual contributor role with significant technical leadership and cross-functional influence. •Own end-to-end design of complex mechanical subsystems, from requirements definition and concept architecture through validation, production ramp, and deployment •Drive subsystem performance across cost, reliability, manufacturability, and serviceability, with direct impact on $/ton CO₂ economics •Design low and high-volume components using a variety of manufacturing processes, including sheet metal stamping, casting, roll forming, and extrusions •Lead design trade studies using first-principles analysis, data-driven methods, and sound engineering judgment •Design and develop product-level test equipment, fixtures, and validation strategies to support Design for Reliability (DfR), including accelerated life testing, stress testing, and failure-mode–driven validation to ensure robust subsystem and system performance over the intended service life •Partner closely with suppliers, equipment operators, manufacturing, and supply chain teams to ensure designs are robust, scalable, and production-ready •Generate and review detailed 2D drawings with proper GD&T, aligned with production and inspection standards 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 •Comfort operating in both fast-paced R&D environments and the structured rigor of NPI execution •You don’t have to have every listed requirement and skill to be a great fit. If you are passionate about this opportunity and think you have the skills to succeed, please apply! •Our Commitment to Diversity, Equity, and Inclusion •We encourage you to apply if you identify as Black, Native Hawaiian or Pacific Islander, American Indian or Alaskan Native, Hispanic or Latino, LGBTQ+ – or with any other underrepresented group – even if you don’t tick all the boxes in the description below. •Excellent health, dental and vision insurance covered up to 100% by Heirloom. FSA option •16 weeks paid parental leave for all Heirloom employees •Flexible PTO for exempt (salaried) employees & 120 hours for full time non-exempt (hourly) employees •Monthly health and wellness reimbursement Interested candidates, please apply directly through the job posting on company's career page or try via AI auto apply on this platform. Don't miss this opportunity to join a forward-thinking team!