Process Commissioning Engineer

Mantel

Supporting engineering execution on-site for Mantel's first molten-salt-based carbon capture demonstration project. Collaborating with technical teams and managing day-to-day activities.

Posted 6/8/2026full-timeTrois Rivieres • 🇨🇦 CanadaMid-LevelSeniorWebsite

About the role

Key responsibilities & impact

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: contractor coordination, punch lists, field modifications, and issue resolution
Serve as Mantel's day-to-day engineering point of contact with the host site and its technical teams
Maintain accurate site records: as-builts, field change notices, commissioning logs, and performance data
Support data collection and system monitoring for technical validation of the demonstration

Requirements

What you’ll need

6+ years in process, mechanical, or chemical engineering with hands-on site or field engineering experience, including at least one commissioning or startup campaign
B.Eng. or B.S. in Chemical, Mechanical, or Process Engineering
Comfortable working in industrial environments alongside operators, contractors, and plant engineers
Genuine curiosity about carbon capture and the role industrial decarbonization plays in reaching net zero

Benefits

Comp & perks

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, plus a week-long winter break at the end of December
Health/Fitness and cell phone stipend
Paid parental leave

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

process engineeringmechanical engineeringchemical engineeringcommissioningstartup campaigndata collectionsystem monitoringtechnical validationfield modificationsissue resolution

Soft Skills

contractor coordinationcommunicationproblem-solvingteam collaborationattention to detailcuriosityadaptabilityorganizational skillsleadershipinterpersonal skills

Certifications

B.Eng.B.S.