Field Commissioning Engineer: Waste-to-Energy Plants

Liberty Personnel Services, Inc.; Newark (NJ); On-site; USD 120,000 - 160,000; Full time

Job summary

Liberty Personnel Services, Inc. is seeking a Sr. Commissioning Engineer - Mechanical, Electrical, Instrumentation & Controls to lead commissioning of waste-to-energy and renewable energy plants across North America.

This hands-on role requires traveling up to 70% and overseeing pre-commissioning through start-up and handover. You will work with P&IDs, electrical drawings, control schematics, PLC/HMI/SCADA systems, and SAT to ensure safe, reliable operation.

Qualifications

• Bachelor's degree in engineering or related technical discipline.
• 3–5 years of relevant industrial commissioning/start-up experience.
• Hands-on commissioning of mechanical, electrical, instrumentation and controls.
• Willingness to travel up to 70% across North America.
• Strong problem-solving and communication skills.

Responsibilities

• Supporting development and execution of commissioning plans, procedures, schedules, checklists, and test protocols.
• Executing and coordinating onsite commissioning from pre-commissioning through start-up, SAT, performance testing, and handover.
• Coordinating daily commissioning activities with construction teams, equipment vendors, sub-contractors, and project personnel.
• Verifying mechanical completion and system readiness before commissioning begins.
• Performing equipment inspections, equipment checkout, calibration verification, loop checks, I/O checks, and functional testing.
• Coordinating and performing dry and wet commissioning for mechanical, electrical, instrumentation, control, automation, and process systems.
• Supporting PLC, HMI, SCADA, and control system testing during commissioning and start-up.
• Troubleshooting equipment, instrumentation, control systems, and process issues and assisting with corrective actions.

Skills

Commissioning

Start-up

Troubleshooting

P&ID interpretation

PLC/SCADA testing

Field instrumentation

Industrial safety

Education

Bachelor's degree in engineering

Engineering diploma considered

Tools

PLC

HMI/SCADA

Electrical drawings

Process diagrams

Job description

Liberty Personnel Services, Inc. is seeking a Sr. Commissioning Engineer - Mechanical, Electrical, Instrumentation & Controls to lead commissioning of waste-to-energy and renewable energy plants across North America.

This hands-on role requires traveling up to 70% and overseeing pre-commissioning through start-up and handover. You will work with P&IDs, electrical drawings, control schematics, PLC/HMI/SCADA systems, and SAT to ensure safe, reliable operation.