PLC & Instrumentation Technician - Critical Plant Maintenance

Clean Harbors; Rollinsford (NH); On-site; USD 75,000 - 105,000; Full time

Benefits offered by this job

Military & Veteran team members

Job summary

Clean Harbors in Rollinsford, NH seeks an experienced electrical/instrumentation professional to diagnose PLC and control system issues and perform preventive maintenance. You’ll calibrate instrumentation, install control hardware, and collaborate with maintenance crews to keep operations safe and online.

The role requires hands-on electrical work, the ability to read P&IDs and schematics, and experience with VFDs and DCS platforms. Outdoor work in all weather is expected.

Qualifications

• HS diploma or equivalent preferred.
• 6+ years electrical background required; 3+ years instrumentation preferred.
• PLC troubleshooting with Allen-Bradley/Siemens experience.
• Ability to read P&IDs, blueprints and schematics.

Responsibilities

• Diagnose and resolve control and instrumentation issues, including PLC logic troubleshooting.
• Perform scheduled PMs and precision calibrations on instrumentation.
• Document work thoroughly—logs, calibration records, updates to drawings.
• Install new control hardware and associated power wiring.
• Pull cable, build out power distribution, and install/maintain MCCs.
• Replace and service motors and lighting systems.
• Handle general electrical maintenance across the facility.
• Support broader maintenance activities as needed; other duties as assigned.

Skills

PLC troubleshooting

Electrical background

Instrumentation

P&IDs interpretation

DCS platforms

Electrical safety

Education

High school diploma or equivalent

Tools

Allen-Bradley PLC

Siemens PLC

VFD programming

Job description

Clean Harbors in Rollinsford, NH seeks an experienced electrical/instrumentation professional to diagnose PLC and control system issues and perform preventive maintenance. You’ll calibrate instrumentation, install control hardware, and collaborate with maintenance crews to keep operations safe and online.

The role requires hands-on electrical work, the ability to read P&IDs and schematics, and experience with VFDs and DCS platforms. Outdoor work in all weather is expected.