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Third Class Operating Engineer Jobs in Melrose, MA

System One

Utilities 3rd Engineer

Quincy, MA · On-site

$28 - $42/hr

Keep the Utilities Chief Engineer informed of operating conditions. * Support company safety ... Must have a Commonwealth of Massachusetts Third Class Engineers License (REQUIRED). * 3+ years of ...

System One

Utilities 3rd Engineer

Quincy, MA · On-site

$28 - $42/hr

Keep the Utilities Chief Engineer informed of operating conditions. * Support company safety ... Must have a Commonwealth of Massachusetts Third Class Engineers License (REQUIRED). * 3+ years of ...

System One

Utilities 3rd Engineer

Quincy, MA · On-site

$28 - $42/hr

Keep the Utilities Chief Engineer informed of operating conditions. * Support company safety ... Must have a Commonwealth of Massachusetts Third Class Engineers License (REQUIRED). * 3+ years of ...

System One

Utilities 3rd Engineer

Quincy, MA · On-site

$28 - $42/hr

Keep the Utilities Chief Engineer informed of operating conditions. * Support company safety ... Must have a Commonwealth of Massachusetts Third Class Engineers License (REQUIRED). * 3+ years of ...

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

Chief Fireman

Methuen, MA · On-site

$46.79/hr

Licensed C operator for inground tank. EDUCATION AND RELATED EXPERIENCE: Required: * High School or Trade School diploma. * Massachusetts Third Class Engineer License. * 5 years minimum experience in ...

Merrimack Health

Chief Fireman

Methuen, MA · On-site

$46.79/hr

Licensed C operator for inground tank. EDUCATION AND RELATED EXPERIENCE: Required: * High School or Trade School diploma. * Massachusetts Third Class Engineer License. * 5 years minimum experience in ...

Merrimack Health

Boiler Plant Technician

Lawrence, MA · On-site

$22 - $33/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 ...

Merrimack Health

Boiler Plant Technician

Lawrence, MA · On-site

$22 - $33/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 ...

Merrimack Health

Boiler Plant Technician

Lawrence, MA · On-site

$22 - $33/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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Showing results 21-40

All JobsThird Class Operating Engineer JobsThird Class Operating Engineer Jobs in Melrose, MA

Third Class Operating Engineer information

See Melrose, MA salary details

$38.8K

$104.5K

$160K

How much do third class operating engineer jobs pay per year?

As of Aug 10, 2026, the average yearly pay for third class operating engineer in Melrose, MA is $104,500.00, according to ZipRecruiter salary data. Most workers in this role earn between $94,800.00 and $118,500.00 per year, depending on experience, location, and employer.

What is the difference between Third Class Operating Engineer vs Second Class Operating Engineer?

AspectThird Class Operating EngineerSecond Class Operating Engineer
CredentialsRequires a Third Class license, often with specific experienceRequires a Second Class license, more extensive experience and testing
Work EnvironmentOperates boilers, pumps, and HVAC systems in buildings or facilitiesHandles larger or more complex systems, often in industrial or larger commercial settings
Employer & IndustryCommonly employed in commercial buildings, hospitals, and schoolsFound in industrial plants, large commercial facilities, and power plants

The main difference between a Third Class Operating Engineer and a Second Class Operating Engineer lies in their licensing requirements, scope of work, and the complexity of systems they operate. Second Class licenses permit handling larger and more complex equipment, often in industrial settings, while Third Class licenses are suitable for smaller systems in commercial buildings.

What cities near Melrose, MA are hiring for Third Class Operating Engineer jobs? Cities near Melrose, MA with the most Third Class Operating Engineer job openings:
Third Class Operating Engineer jobs near you

Utilities 3rd Engineer

System One

Quincy, MA • On-site

$28 - $42/hr

Other

Medical, Dental, Vision, Life, Retirement

Re-posted 4 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 – onsite Hours: 12-hour shifts either 6 am - 6 pm or 6 pm - 6 am. Candidates need to be able to workday or night shift. Two-week rotation. Week 1: Monday, Tuesday, Friday, Saturday (48 hours) Week 2: Sunday, Wednesday, Thursday (36 hours) 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.
System One, and its subsidiaries, including Joulé and Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America. We help clients get work done more efficiently and economically, without compromising quality. System One not only serves as a valued partner for our clients, but we offer eligible employees health and welfare benefits coverage options including medical, dental, vision, spending accounts, life insurance, voluntary plans, as well as participation in a 401(k) plan. System One is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex (including pregnancy, childbirth, or related medical conditions), sexual orientation, gender identity, age, national origin, disability, family care or medical leave status, genetic information, veteran status, marital status, or any other characteristic protected by applicable federal, state, or local law. #M- #LI- Ref: #558-Scientific