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Boiler & Refrigeration (B&R) Operator B – D Shift (Nights) The B&R Operator B is an experienced utilities operator responsible for the safe and reliable operation, monitoring, and intermediate maintenance of industrial boiler, refrigeration (ammonia), and compressed air systems during overnight operations. This role works independently with minimal supervision, troubleshooting routine system issues, performing preventive maintenance, and supporting regulatory compliance with OSHA, EPA, RMP, and PSM standards. The Operator B collaborates with maintenance personnel during repairs, start-ups, and shutdowns, and provides mentorship to lower-level operators while helping ensure continuous, safe plant operations on D shift nights. Pay and level are negotiable based on qualifications and experience.
Job Responsibility:
Perform daily checks, rounds, and documentation independently with minimal oversight
Conduct intermediate Preventive Maintenance (PM) tasks and corrective work within scope
Troubleshoot abnormal system conditions and resolve common failures
Assist with and sometimes lead LOTO, confined space prep, and safe work coordination
Ensure regulatory documentation accuracy for OSHA, EPA, RMP, and PSM compliance
Work alongside higher-level mechanics during major repairs, shutdowns, and startups
Identify system performance issues and recommend corrective actions
Use P&IDs, system drawings, and control systems to diagnose issues
Provide mentorship and task support to Apprentice and Level C operators
Assist with minor system optimization efforts to improve efficiency and reliability
Boiler Systems: Independently operate and monitor high-pressure steam boilers and support systems, Perform intermediate-level maintenance on feedwater and condensate pumps, boiler controls and basic combustion components, steam traps, regulators, and distribution hardware, softener systems and chemical feed systems, Perform boiler startup/shutdown procedures with minimal supervision, Conduct water chemistry testing
adjust chemical feed systems for proper balance, Identify combustion issues (excess air, flame stability, burner faults) and assist in corrective adjustments, Inspect safety shutoff valves, low-water cutouts, flame scanners, and interlocks
escalate findings for repair, Assist in repairs to steam distribution systems, including replacing valves, gaskets, sight glasses, pressure gauges and sensors, Perform preliminary diagnostics for low steam pressure, water carryover, feedwater imbalance, condensate return failures
Compressed Air System Duties – Level B: Perform intermediate diagnostics on compressors, dryers, and filters, Replace and service prefilters, coalescing filters, and particulate filters, Perform leak detection walks and document loss points, Troubleshoot high dewpoint alarms, excessive condensate, dryer malfunction, pressure drops, Support air receiver inspections and safety valve checks
Refrigeration Mechanic (Ammonia) – Level B: Operate and troubleshoot industrial Ammonia Refrigeration systems with limited supervision, Perform intermediate inspections and diagnostics including compressor vibration/noise evaluation, oil failure conditions, suction/discharge imbalance, high-pressure/low-pressure alarms, Perform maintenance tasks on evaporators (coil cleaning, TXV checks, fan repairs), condensers (spray system, pump maintenance, fan alignment), valves, strainers, and oil pots, purge units and non-condensable removal systems, Assist in pump outs, valve rebuilds, defrost troubleshooting, minor compressor service tasks, Perform system oil management activities including oil draining, oil pot operation, handling/transfer with compliant containment, Respond to ammonia alarms within training level
secure area and support emergency actions, Troubleshoot minor refrigeration issues and recommend corrective steps, Identify system inefficiencies and support optimization (superheat issues, condenser fouling, fan sequencing)
RTO – Level B Duties- Operate and Maintain: Perform intermediate RTO diagnostics including temperature imbalance, bed switching faults, fan/VFD issues, Assist with burner adjustments and airflow checks, Perform PMs on media beds, dampers and actuators, burner assemblies, Support troubleshooting of common faults (valve sequencing, chamber temps), Assist with testing environmental compliance indicators
Requirements:
Completion of Level C requirements plus demonstrated technical proficiency
3–5 years of utilities/mechanical experience or equivalent training
Strong working knowledge of industrial boilers or ammonia refrigeration
Ability to read and interpret P&IDs, electrical schematics (within utilities scope), and digital controls
Ability to operate in extreme hot/cold environments and elevated noise
Capable of wearing required PPE including SCBA (refrigeration track)
Completion of intermediate-level ammonia/boiler safety courses and PSM-required training
What we offer:
Health Insurance Benefits - Medical, Dental, Vision
Flexible Spending Accounts for Health and Dependent Care, and Health Reimbursement Accounts
Well-being programs including companywide events and a wellness incentive program
Paid Time Off
Financial Wellness – Industry leading 401(k) plan with generous company contributions, Financial Planning Services, Employee Stock purchase program, and Health Savings Accounts, Life and Accident insurance
Family-Friendly Employee events
Employee Assistance Program services – mental health and other concierge type services