Industrial Mechanic -- Pumps, Valves & Steam Systems (Refinery)

Twin Rivers Chemical
Quincy, MA

Job Description

Job Description

Are you the mechanic who keeps process equipment humming?

If you thrive on tearing down pumps, nailing precision alignments, and making steam systems run flawlessly, this refinery role is built for you. You’ll work with limited supervision, applying millwright-level skills to rotating and stationary assets across a continuous process plant.

Why this role matters
  • Uptime and safety drive everything we do. Your craftsmanship on pumps, valves, heat exchangers, and ASME pressure vessels keeps people safe and production reliable.
  • Your judgment matters: you’ll own the call to stop work when safety, asset health, or operations are at risk.
  • Your documentation and improvement ideas elevate our reliability program through the CMMS.
Can you...
  • Execute Lockout/Tagout, confined space entry, hot work, fall protection, and energy isolation every time?
  • Complete JSAs and proactively identify hazards before the job starts?
  • Diagnose, disassemble, inspect, repair, and reassemble centrifugal and positive displacement pumps—including seals and bearings?
  • Perform laser or dial indicator shaft alignments and torque couplings, bearings, and assemblies to spec?
  • Remove, service, and reinstall process valves; assemble flanges correctly; replace gaskets with proper torque sequence and bolt loading?
  • Install steam tracing (bend/flare tubing), place steam traps, and troubleshoot condensate systems?
  • Pull, inspect, and reinstall shell-and-tube exchanger bundles, and support work on distillation columns and hydrolysis towers?
  • Assist with ASME pressure vessel maintenance, including internal entry prep and reassembly of large vertical vessels?
  • Rig and move pumps, motors, exchanger bundles, and piping using slings, shackles, and lifting devices safely?
  • Measure precisely with micrometers, calipers, and dial indicators; operate a lathe, Bridgeport-style mill, drill press, and broaching tools?
  • Drill, tap, fabricate, and modify parts; machine and fit keyways and shafts?
  • Execute preventative and corrective maintenance across hydrolysis, distillation, fractionation, separations, utilities, and logistics systems?
  • Capture accurate CMMS records, suggest procedure improvements, and maintain tools/rigging/shop areas in safe condition?
  • Support major outages, shutdowns, and turnarounds, working extended hours or shifts when needed—and support TRT's annual shutdown?
Minimum profile
  • High School Diploma or GED.
  • 3+ years in refinery/chemical/power/heavy industrial maintenance OR completion of a recognized Industrial Maintenance, Millwright, or Mechanical Technology program.
  • Proven centrifugal pump repair and precision alignment (laser or dial) experience.
  • Knowledge of bolted flange assembly best practices.
  • Manual machining (lathe and milling machine) capability.
  • Able to read mechanical drawings, P&IDs, and OEM manuals.
  • Skilled with micrometers, calipers, dial indicators.
  • Working knowledge of steam systems and steam traps.
  • Safe basic rigging.
  • Familiar with refinery safety and LOTO.
Preferred to have
  • Formal Millwright/Industrial Mechanic apprenticeship.
  • NCCER Industrial Maintenance or Millwright certification.
  • OSHA 10 or OSHA 30.
  • Confined Space Entry and Fall Protection training.
  • Experience on shell & tube exchangers and ASME pressure vessels.
  • Time in oleochemical, chemical, or refinery facilities.
Physical reality of the job
  • All-weather work environment; PPE is required and some tasks occur in confined spaces.
  • Frequent walking/standing/lifting/pushing/pulling/carrying up to 50 lbs.
  • Climb stairs and ladders up to 120 feet.
  • Lift equipment up to and exceeding 40 lbs during maintenance.
  • Turn valves, move handles, and work overhead.
Core strengths we rely on
  • Mechanical troubleshooting
  • Maintenance and repair
  • Equipment diagnostics & troubleshooting
  • Mechanical systems & component repair
  • Lockout/Tagout (LOTO)
  • Equipment repair & maintenance
  • Equipment installation
Posted 2026-06-05

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