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Mantel

Commissioning Engineer

Mantel

Commissioning Specialist executing startup of molten-salt carbon capture technology. Ensuring system comes up safely and to design intent during hands-on field operations.

Posted 6/6/2026full-timeTrois Rivieres • 🇨🇦 CanadaSeniorLeadWebsite

About the role

Key responsibilities & impact
  • Execute pre-commissioning and commissioning activities under the direction of the Commissioning Director: walkdowns, loop checks, interlock verification, flushing, leak testing, and startup sequencing
  • Work through punch lists methodically - identify, document, and close out items with contractors and trades on-site
  • Follow commissioning procedures precisely and flag deviations clearly and immediately
  • Coordinate day-to-day on-site activities with contractors, trades, and host-site operations personnel
  • Serve as a reliable, professional Mantel presence on the ground - keeping work moving safely and on schedule
  • Support the Commissioning Director in maintaining a well-organized, well-documented site at all times
  • Maintain accurate commissioning records: completed procedures, punch lists, test results, and field observations
  • Ensure documentation is complete, legible, and organized — the record you leave behind matters
  • Feed field observations and lessons learned back to the engineering and commissioning team
  • Execute all work in compliance with site safety requirements, LOTO procedures, and Mantel's operating standards
  • Participate in pre-job safety briefings, toolbox talks, and hazard assessments
  • Raise safety concerns immediately - no work is more important than a safe site

Requirements

What you’ll need
  • 7+ years of hands-on experience in industrial plant commissioning, construction, or operations; relevant field experience and demonstrated commissioning competency are what count
  • You've been through at least one plant startup and know what the work actually looks like - pre-comm checks, punch lists, the last-minute scrambles, and how to keep your head through all of it
  • You're a careful, methodical executor - you follow procedures, document everything, and don't cut corners
  • You're comfortable working in industrial environments: heat, noise, PPE, shift schedules, and tight coordination with trades don't slow you down
  • You take direction well and communicate clearly - you keep the Commissioning Director informed and surface issues early
  • You're reliable and follow through without needing to be chased

Benefits

Comp & perks
  • 90% subsidized medical and dental healthcare coverage for employees, 50% for dependents (full extended benefits in Canada)
  • 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
pre-commissioningcommissioningloop checksinterlock verificationflushingleak testingstartup sequencingpunch listssafety complianceLOTO procedures
Soft Skills
methodical executionclear communicationreliabilityproblem-solvingteam coordinationattention to detailsafety awarenessprofessionalismadaptabilitytime management