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July 17, 2026

Senior Mechanical Engineer (Pyrolysis)

Senior

96,000 - 144,000 USD

Fort Lupton, CO

About Charm

Our mission is to return the atmosphere to 280 ppm CO₂. We convert excess inedible biomass into carbon-rich bio-oil and inject it into underground storage for permanent carbon removal. At scale, we can use bio-oil to make fossil-free iron.

Our carbon removal efforts began in 2020 with initial purchases from customers like Stripe, Shopify, and Microsoft. Since then, we’ve scaled to thousands of tons of carbon removal, grown to over a hundred employees, and established three locations in San Francisco, Colorado, and Louisiana.

We're expanding our team of ambitious, creative, and hands-on problem solvers. We value psychological safety, collaboration, and continuous learning. We take calculated risks and treat mistakes as opportunities to improve.

Come help us reverse climate change. Gigatons or bust!

About the Role

As a Senior Mechanical Engineer based out of our Fort Lupton facility, you’ll be responsible for designing the next generation of pyrolysis technology, implementing and troubleshooting mechanical systems in production, and collaborating with the broader engineering team, including electrical, automation, and manufacturing engineers, as well as fabricators and technicians.

This role involves designing new mechanical systems, selecting electromechanical actuators, sensors, pumps, and continually improving pyrolysis and biomass processing equipment. You’ll help bring designs to life and develop test plans to ensure systems meet overall design intent. You will also update legacy systems to validate new design pathways and support production throughput goals through troubleshooting and corrective actions.

Someone successful in this role will enjoy bringing new designs to life, testing and commissioning equipment, and performing analytical root cause analysis in fast-paced environments.

Responsibilities

  • Design mechanical and electromechanical systems for next generation pyrolyzer operations
  • Develop solutions considering interfacing systems, operating requirements, maintenance, and serviceability
  • Work with testing teams to validate performance before operations integration
  • Conduct thermal and flow analysis with process engineers
  • Refine piping and vessel mechanisms for industrial applications
  • Troubleshoot mechanical system malfunctions and implement corrective actions
  • Develop and execute test plans and commissioning campaigns for production hardware
  • Collaborate with electrical engineers, software developers, and mechanical engineers
  • Support on-call production troubleshooting when needed

Requirements

  • Bachelor’s degree in Mechanical Engineering or related field
  • 5–8 years of mechanical design experience
  • CAD knowledge; OnShape experience preferred
  • Experience reviewing and releasing fabrication and assembly drawings
  • Knowledge of heat transfer, sensor and actuator selection, and requirements development
  • Skilled with fabrication techniques and associated design principles
  • Familiarity with piping standards, flange interfaces, gasket selection, and process system integration
  • Hands-on troubleshooting and assembly experience
  • Strong documentation and communication skills
  • Experience with electromechanical systems including conveyors, pumps, and blowers
  • Experience designing mechanical weldments under load and process pressure
  • Ability to work closely with Electrical & Controls Engineers and fabricators
  • Excitement for scaling hardware solutions that impact climate change

Bonus Qualifications

  • Master’s degree in Mechanical Engineering or related field
  • OnShape modeling experience
  • Experience with process piping and vessel design in industrial or high-temperature environments
  • Experience designing industrial equipment for operations teams
  • Experience supporting 24/7 operations

What We Offer

  • Equity ownership through stock options
  • 100% employee healthcare premiums covered
  • Medical, dental, and vision coverage
  • Employer-funded HSA contributions for eligible plans
  • Traditional and Roth 401(k) with employer match
  • Paid parental and medical leave
  • PPE and workwear allowances
  • Annual professional development stipend
  • Employee recognition programs
  • Opportunities for internal growth and career development

Visa Sponsorship Policy

Charm Industrial currently sponsors E3 and TN visas only.

Our Commitment

Charm Industrial is an equal opportunity employer hiring based on skills, experience, and passion for the mission.

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