Senior Mechanical Engineer, High Volume Design

• Own end-to-end design of complex mechanical subsystems, from requirements definition and 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

This role directly influences the economics, reliability, and scalability of Heirloom's core technology for carbon removal, contributing to fighting climate change by making carbon capture more effective and affordable.

• 5+ years of experience designing and delivering products through the full lifecycle, from concept to production
• 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

• Excellent health, dental and vision insurance covered up to 100% by Heirloom. FSA option.
• 16 weeks paid parental leave for all Heirloom employees.
• Generous stock options.
• Unlimited PTO for exempt (salaried) employees & 120 hours for full time non-exempt (hourly) employees.
• 401(k).
• Monthly health and wellness reimbursement.
• Annual education and conference budget.

Harnessing natural processes to capture 1 billion tons of carbon dioxide by 2035.