About the role

Site Engineering Manager advancing Mantel’s molten-salt carbon capture demonstration project. Managing field execution, commissioning, and performance validation for industrial decarbonization.

Responsibilities

Support engineering execution on-site from test plan through steady-state operation
Translate P&IDs, process designs, and engineering packages into installed, commissioned systems in the field
Manage day-to-day technical activities on-site, including contractor coordination, punch lists, field modifications, and issue resolution
Monitor system performance against design intent and flag technical issues clearly and quickly
Serve as Mantel's day-to-day engineering point of contact with the host site and its technical teams
Coordinate with EPC contractors, equipment vendors, and host-site operations staff
Maintain a safe, professional, and collaborative site environment
Maintain accurate site records, including as-builts, field change notices, commissioning logs, and performance data
Produce site updates and engineering reports for the VP of Engineering and broader project team
Feed lessons learned back into the engineering base for future deployments
Support data collection and system monitoring for technical validation of the demonstration
Surface field observations and operational insights that inform design refinement and scale-up
Close the loop between design intent and real-world performance with the engineering team

6+ years in process, mechanical, or chemical engineering with hands-on site or field engineering experience
At least one commissioning or startup campaign
B.Eng. or B.S. in Chemical, Mechanical, or Process Engineering
Legal to work in either the United States or Canada
Must be a resident of Canada or United States
Experience being on-site during startup/turnarounds
Ability to read drawings, write procedures, and close punch lists
Comfortable working in industrial environments alongside operators, contractors, and plant engineers
Ability to think on your feet and communicate problems clearly
Genuine curiosity about carbon capture and industrial decarbonization

Highly competitive pay based on experience, including equity
90% subsidized medical and dental healthcare coverage for employees, 50% for dependents
Unlimited vacation policy
Mental health personal days
Generous sick leave
Week-long winter break at the end of December
Health/Fitness stipend
Cell phone stipend
Paid parental leave
Meaningful technical contribution from day one, with growing scope as the project portfolio expands
Close collaboration with a small, high-caliber engineering and commercial team
A clear path toward senior engineering leadership as Mantel scales