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Mechanical Engineer

Location: Flexible

Job Type

Full Time

About the Role

The Mechanical Engineer will work to build and refine CREW’s reactor systems for operation at multiple scales and under various operating conditions. Working with our teams in dry and wet lab space, they will be responsible for hands-on fabrication, testing, troubleshooting, and refining of our reactor systems. This will involve using machinery and equipment to build and operate reaction vessels, piping systems, pumps, filtration systems, and sampling systems. As such, this individual will be able to interface with manufacturers and vendors for timely deliveries, and QC incoming components.


Key Responsibilities

  • Build and test multiphase reactor systems with support of internal and external engineering teams

  • Produce computer assisted design (CAD) schematics and drawings 

  • Conduct hands-on experimentation with prototype systems, ground truth process simulation models, and oversee refinement of physical system components

  • Operate machinery as well as dry and wet lab equipment to build and operate system components

  • Test reaction vessels, piping systems, pumps, valves, filtration systems, and sampling systems

  • Assist with process development and create PFDs, P&IDs, and Material Balance Diagrams

  • Create and manage bill of materials and standard operating procedures

  • Assess construction materials for system components exposed to corrosive and hazardous liquids, solids, and for gasses that may be pressurized (1-10 bar)

  • Interface with external suppliers and manufacturers


Required Qualifications

  • Bachelor’s degree in Mechanical, Environmental, or Process Engineering

  • 2-4+ years of work experience in engineering or early-stage technologies

  • Skilled in CAD software such as AutoCAD, Solidworks, Autodesk

  • Demonstrated experience in fabrication, using machinery, and hands-on troubleshooting

  • Experience working with electrical components such as sensor and monitoring systems and automation controls

  • Strong understanding of physics, chemistry, and engineering concepts, including fluid mechanics, thermodynamics, and materials science

  • Entrepreneurial spirit and desire to be part of a high-performing team

  • Ideal candidate has a startup mindset where adaptability, creativity, agility, and execution are key 

  • Strong desire to fight climate change

Bonus Qualifications 

  • Familiarity with designing, building, and/or operating equipment in the water treatment, mining, energy, chemicals, pharmaceutical, or similar fields

  • Master's degree in Mechanical, Environmental, or Process Engineering

  • Experience working in a startup with a significant hardware component

While we are looking for someone with these skills, you do not need to have all the listed qualifications to be a great addition to our team. Please reach out if you have any of the listed qualifications, are eager to learn new skills and be involved in the climate tech space, and have solid design, engineering, and problem-solving skills.


The annual salary range for this position is competitive and will depend on many factors including experience, education, and expertise. We offer a competitive benefits package with insurance, vacation, retirement, and equity options.

About the Company

CREW is a distributed and flexible carbon dioxide removal technology that utilizes containerized enhanced weathering in engineered systems for permanent, low-cost, and verifiable storage. By accelerating the well-established, natural weathering process that removes CO2, CREW leverages these reactions in a variety of settings on our path to gigatons of carbon sequestration.

© 2023 CREW Carbon. All rights reserved.

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