Site Engineering Manager

Mantel

Site Engineering Manager managing technical activities for carbon capture demonstration project. Collaborating closely with engineering and site teams to ensure successful execution and performance monitoring.

Posted 6/9/2026full-timeRemote • California • 🇺🇸 United StatesMid-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
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, alongside the Commissioning Director
Coordinate with EPC contractors, equipment vendors, and host-site operations staff
Maintain a safe, professional, and collaborative site environment at all times
Maintain accurate site records: as-builts, field change notices, commissioning logs, and performance data
Produce clear, concise site updates and engineering reports for the VP of Engineering and broader project team
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
Work closely with the engineering team to close the loop between design intent and real-world performance

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

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 campaigntechnical validationdata collectionsystem monitoringP&ID translationfield modifications

Soft Skills

collaborationcommunicationproblem-solvingtechnical coordinationissue resolutionreportingobservational insightsprofessionalismleadershiporganizational skills