Mantel is developing the first molten-salt-based carbon capture technology which is designed to operate at the high temperatures found inside boilers, kilns, and furnaces – enabling highly efficient carbon capture that has not been possible until now. Carbon capture can be applied across industries to reduce emissions and achieve net-negative emissions. By solving for efficiency Mantel can cut costs substantially, unlocking carbon capture’s role in reaching net zero emissions by 2050. To learn more, go to: https://www.mantelcapture.com/
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Mantel is seeking a hands-on Contract Process Operator to support commissioning, startup, and ongoing operation of our high-temperature carbon capture demonstration plant (D-1). This role is critical to safe, reliable plant performance and requires solid industrial operating experience in power generation, oil & gas, chemical processing, or similar heavy industry.
This is an onsite, safety-critical position working in a live industrial environment.
Key Responsibilities Operate and monitor process equipment including pumps, heat exchangers, piping systems, valves, and control systems
Perform field rounds, equipment inspections, and operational checks
Execute startup, shutdown, and normal operating procedures




Monitor process parameters and elevate deviations
Record operating data and maintain accurate shift logs
Commissioning & Startup Support Assist in pre-commissioning checks and system turnover
Support functional testing and troubleshooting
Work closely with engineering and commissioning teams to validate system performance
Safety & Compliance Follow all site safety policies, PPE requirements, and permit-to-work procedures
Identify and report near misses, hazards, and unsafe conditions
Minimum Qualifications: Minimum 5+ years in industrial plant operations
Experience with commissioning/start-up, process safety, and high-temperature systems is an asset.
Strong understanding of process control systems (DCS/PLC) and standard operating practices.
Excellent communication, decision-making, and leadership skills under pressure.
Ability to work rotating shifts, including nights and weekends, in a demonstration project environment.
Desired Qualifications: Experience with high-temperature industrial processes, or boiler/steam systems
Location: This is a site-based role in Trois Rivieres, Quebec.
Compensation & Benefits – This is a project-based, contract role.

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📌 Process Operator (Quebec City)
🏢 Mantel
📍 Quebec City