Principal Mechanical Engineer

PetsApp; Calgary; Remote; CAD 80,000 - 120,000; Full time

Job summary

Join a leading startup focused on carbon capture as a Senior Mechanical Engineer. Collaborate with a multidisciplinary team to design and operate innovative systems aimed at reducing emissions. Enjoy competitive pay, unlimited vacation, and a supportive work environment.

Benefits

90% subsidized medical and dental coverage

Unlimited vacation

Health/Fitness stipend

Company-matched 401k

Generous parental leave

Qualifications

• Minimum 5 years of experience in an industrial setting.
• Strong background in safe plant operation and industrial safety.

Responsibilities

• Design, build, commission, and operate the first demonstration system.
• Work on piping, rotating equipment, steam systems, and boilers.

Skills

Problem Solving

Communication

Job description

Mantel is developing the first molten-salt-based carbon capture technology designed to operate at high temperatures within boilers, kilns, and furnaces. This innovative approach enables highly efficient carbon capture, which has not been feasible until now. The technology aims to reduce emissions across industries and help achieve net-negative emissions. By improving efficiency, Mantel can significantly cut costs, supporting the goal of reaching net zero emissions by 2050. To learn more, visit: https://www.mantelcapture.com/

Mantel is seeking a Senior Mechanical Engineer to join a promising startup focused on carbon capture, working on developing molten salts as a novel CO₂ sorbent material. The Mechanical Engineer will collaborate with Mantel’s engineers and partner EPCs to design, build, commission, and operate Mantel’s first demonstration system. Responsibilities include working on piping, rotating equipment, steam systems, boilers, and validating equipment and materials to support demonstration plant scale-up and transition to commercial systems. The role also involves performing analysis, calculations, modeling, equipment specification, component sizing, data sheet review, creating and optimizing startup/shutdown procedures, and coordinating across disciplines with Mantel’s R&D team. The ideal candidate is a well-organized, versatile technical problem solver who can think creatively and communicate effectively within a multidisciplinary team.

Minimum Qualifications:

1. Experience in industrial boiler/plant design, operation, and maintenance
2. Field experience in industrial boiler/plant commissioning
3. Strong background in safe plant operation, industrial safety, and process hazard analysis
4. Thorough understanding of engineering drawings, P&IDs, equipment specifications, and commissioning/operating procedures

Desired Qualifications:

1. Experience with molten salts/metals or carbon capture systems
2. Experience working with external EPCs
3. Minimum 5 years of experience in an industrial setting
4. Location: Remote, Hybrid, or In-person (Cambridge, MA). Up to 25% travel may be required.

Compensation & Benefits:

• Competitive pay based on experience, including equity
• 90% subsidized medical and dental coverage, 50% for dependents (100% for Canadian employees)
• Unlimited vacation, personal days for mental health, sick leave, and a week-long winter break in December
• Health/Fitness stipend and cell phone stipend
• Company-matched 401k (or Canadian equivalent)
• Generous parental leave
• Access to FSA/HSA and commuter benefits (or Canadian equivalents)

This is an exciting opportunity to join a well-funded startup as an early hire, with significant growth potential.