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3Rd Class Engineer Jobs in Massachusetts (NOW HIRING)

System One

Utilities 3rd Engineer

Quincy, MA · On-site

$28 - $42/hr

Must hold a Massachusetts Third Class Engineers License and have 3+ years of relevant experience. Competitive hourly pay and comprehensive benefits offered. Responsibilities: * Operate, monitor, and ...

System One

Utilities 3rd Engineer

Quincy, MA · On-site

$28 - $42/hr

Must hold a Massachusetts Third Class Engineers License and have 3+ years of relevant experience. Competitive hourly pay and comprehensive benefits offered. Responsibilities: * Operate, monitor, and ...

System One

Utilities 3rd Engineer

Quincy, MA · On-site

$28 - $42/hr

Must hold a Massachusetts Third Class Engineers License and have 3+ years of relevant experience. Competitive hourly pay and comprehensive benefits offered. Responsibilities: * Operate, monitor, and ...

System One

Utilities 3rd Engineer

Quincy, MA · On-site

$28 - $42/hr

Must hold a Massachusetts Third Class Engineers License and have 3+ years of relevant experience. Competitive hourly pay and comprehensive benefits offered. Responsibilities: * Operate, monitor, and ...

JLL

Central Energy Plant Operator

Andover, MA

Licensed operator (3rd Class engineer) who has less than a 2nd Class Engineer's license * Making progress toward a 2nd Class Engineer's License on a schedule mutually agreeable between Employee and ...

Merrimack Health

Boiler Plant Technician

Lawrence, MA

$28 - $38/hr

First, Second or Third Class Engineer * Experience in Boiler Room procedures Merrimack Health is a private, non-profit community hospital providing the Merrimack Valley and southern New Hampshire ...

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All Jobs3Rd Class Engineer Jobs3Rd Class Engineer Jobs in Massachusetts

3Rd Class Engineer information

See Massachusetts salary details

$13

$35

$52

How much do 3rd class engineer jobs pay per hour?

As of Aug 13, 2026, the average hourly pay for 3rd class engineer in Massachusetts is $35.86, according to ZipRecruiter salary data. Most workers in this role earn between $24.76 and $44.35 per hour, depending on experience, location, and employer.

What are the key skills and qualifications needed to thrive as a 3rd class engineer, and why are they important?

To thrive as a 3rd Class Engineer, you need a solid understanding of mechanical systems, thermodynamics, and safety protocols, usually backed by a 3rd Class Engineer’s certificate or license. Familiarity with boiler operation, HVAC systems, and digital monitoring tools is often required. Strong problem-solving abilities, attention to detail, and effective communication help you respond quickly to technical issues and work well in a team. These skills and qualifications ensure safe, efficient plant operations and compliance with regulatory standards.

What is a 3rd class engineer?

A 3rd Class Engineer, also known as a Third-Class Power Engineer, is a certified professional responsible for operating and maintaining industrial boilers, pressure vessels, and related equipment under the supervision of higher-class engineers. They work in settings such as power plants, manufacturing facilities, and heating plants to ensure safe and efficient operation of mechanical systems. To become a 3rd Class Engineer, individuals typically need to complete technical training, acquire hands-on experience, and pass a provincial or state certification exam. Their responsibilities include monitoring equipment, performing maintenance, troubleshooting issues, and adhering to safety regulations.

What are some common challenges faced by 3rd class engineers in their day-to-day work?

3rd Class Engineers often encounter challenges such as balancing preventive maintenance with urgent repair tasks, adapting to new technologies in building systems, and ensuring compliance with safety regulations. They may also be required to work in shifts or on-call, which can affect work-life balance. Collaborating effectively with senior engineers, building management, and other maintenance staff is essential for resolving complex issues and maintaining smooth facility operations.

What cities in Massachusetts are hiring for 3Rd Class Engineer jobs?

Cities in Massachusetts with the most 3Rd Class Engineer job openings:

3Rd Class Engineer jobs near you
Infographic showing various 3Rd Class Engineer job openings in Massachusetts as of August 2026, with employment types broken down into 1% As Needed, 73% Full Time, 25% Part Time, and 1% Contract. Highlights an 97% Physical, 1% Hybrid, and 2% Remote job distribution, with an average salary of $74,598 per year, or $35.9 per hour.

Utilities 3rd Engineer

System One

Quincy, MA • On-site

$28 - $42/hr

Other

Re-posted 7 days ago

Job description

Job Title: Utilities 3rd Engineer Location: Quincy MA Type: Direct Hire Compensation: $28.00 To $42.00 Hourly Work Model: Onsite Hours: 12-hour shifts either 6 am - 6 pm or 6 pm - 6 am. Candidates need to be able to work day or night shift. Two-week rotation. Week 1: Monday, Tuesday, Friday, Saturday (48 hours) Week 2: Sunday, Wednesday, Thursday (36 hours) Overview: Seeking an experienced Utilities 3rd Engineer for a hands-on role at a Quincy MA facility. Responsible for operating and maintaining boilers, generators, and cooling systems on a rotating shift schedule. Must hold a Massachusetts Third Class Engineers License and have 3+ years of relevant experience. Competitive hourly pay and comprehensive benefits offered.

Responsibilities:

  • Operate, monitor, and inspect high-pressure steam boilers, electric generators, air compressors, process cooling water, water treatment systems, and associated auxiliary equipment including pumps, valves, transmitters, gauges, alarms, and safety devices to detect malfunctions and ensure reliable, efficient, and safe operation.
  • Maintain daily logs of operation, maintenance, and safety activities, including test results, instrument readings, and equipment malfunctions for regulatory compliance.
  • Ensure continuous compliance with local, state, and federal regulations related to air quality, water quality, and safety.
  • Maintain proper water levels in boilers, adjust combustion air supplies, and control fuel flow into burners.
  • Test water quality and take corrective actions to maintain chemical conditions for steam generation, processing cooling, and wastewater systems.
  • Interpret readings from gauges, meters, and charts to monitor boiler operation within normal parameters.
  • Analyze problems and take appropriate corrective actions to ensure continuous operation.
  • Adjust controls and valves to regulate system operations.
  • Isolate equipment mechanically and electrically for safe inspection and repair (Lock Out Tag Out).
  • Keep the Utilities Chief Engineer informed of operating conditions.
  • Support company safety, appearance, compliance, quality, and cost standards.
  • Complete safety and equipment audits as assigned.
  • Perform other duties as required.

Requirements:

  • Extensive field work walking throughout the facility.
  • Ability to work in confined spaces and climb heights including boilers, cooling towers, and storage tanks.
  • Dexterity working with tools and machinery.
  • Ability to lift, push, pull, and carry objects up to 65 lbs.
  • Must be able to work in all weather conditions and use PPE.
  • Must have a Commonwealth of Massachusetts Third Class Engineers License (REQUIRED).
  • 3+ years of experience working with high-pressure boilers and related equipment.
  • Ability to obtain Grade 3M or higher Municipal Wastewater License within 12 months of start date.
  • Physical requirements include frequent walking, standing, lifting, and climbing.
  • Skills include operation monitoring, critical thinking, system control, active listening, and monitoring performance.

#M1

Ref: #562-Joule Staffing - Edison