Mechanical Technician - Diesel Power

Mechanical Technician - Diesel
Power

Location: Marshfield, MO

Work Arrangement: On-site | Project-Based

Position Overview

Prismecs is
supporting a temporary 480V standby power system at a client site in
Marshfield, Missouri. The plant consists of nine 1,250 kW Tier 4 diesel
generators and will be operated and maintained by Prismecs for a 12-month
assignment. Site-team mobilization is planned for the first week of November
2026. The Mechanical Technician will perform preventive and corrective
mechanical maintenance on the diesel generator sets and associated mechanical
systems to maintain plant availability and reliability. This is a hands-on
field role requiring strong diesel-engine troubleshooting experience, with
Volvo diesel engine experience mandatory.

## Key Responsibilities
​

- Perform scheduled preventive maintenance and
inspections on diesel generator sets in accordance with the maintenance plan.
- Troubleshoot and repair cooling, lubrication,
fuel, air-intake, and exhaust systems.
- Service Tier 4 aftertreatment components and
support DEF and fuel-system management.
- Perform oil, coolant, and filter changes and
conduct required fluid sampling and monitoring.
- Support fuel delivery, containment-berm
inspections, and spill-prevention activities.
- Document maintenance work and report defects,
equipment running hours, and spare-parts needs to the Site O&M Lead.
- Follow site HSE procedures, LOTO requirements,
and applicable permit requirements.

Requirements

Required Qualifications

- At least 5 years of diesel power plant
mechanical maintenance experience.
- Mandatory hands-on Volvo diesel engine
experience, including troubleshooting and maintenance of cooling, lubrication,
fuel, air-intake, and exhaust systems.
- Ability to read mechanical drawings, equipment
manuals, and OEM maintenance procedures.
- Good working knowledge of safe work practices
and LOTO.
- Valid driver's license and ability to pass
background and pre-employment screening.

Preferred Qualifications

- Tier 4 aftertreatment (DEF/SCR) experience.
- Experience with containerized or
trailer-mounted generator sets.
- OSHA 10/30 or equivalent safety certification.

## U.S. Work Authorization & Location
Requirement

U.S.-based candidates only. Candidates must currently be based in
the United States, be able to work on site in Marshfield, Missouri (or relocate
to the area), and be legally authorized to work in the U.S. for Prismecs
without current or future employer sponsorship. Prismecs is not able to provide
visa sponsorship for this position at this time.

Why Join This Project

- Hands-on maintenance role supporting nine Tier
4 diesel generator units on a 12-month project.
- Opportunity to work directly on generator
mechanical systems, aftertreatment, fuel, cooling, lubrication, and exhaust
systems.
- Dedicated site team with clear reporting to the
Site O&M Lead.