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 strong 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

Plant Operations

• 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 escalate 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

• Bilingual English / French

Location: This is a site-based role in Trois Rivieres, Quebec.

Compensation & Benefits – This is a project-based, contract role.