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3Rd Class Engineer Jobs in Boston, MA (NOW HIRING)

System One

Utilities 3rd Engineer

Quincy, MA · On-site

$28 - $42/hr

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 ...

Parker Hannifin Corp.

Electrician - Hiring Now

Woburn, MA · On-site

$23.50 - $38.50/hr

Active Massachusetts 2nd Class Fireman License or 3rd Class Engineer license preferred * Experience with pneumatics, hydraulics, basic electrical, and PLC logic is preferred. * Must have good ...

Parker Hannifin Corp.

Journeyman Electrician

Woburn, MA · On-site

$23.50 - $38.50/hr

Active Massachusetts 2nd Class Fireman License or 3rd Class Engineer license preferred * Experience with pneumatics, hydraulics, basic electrical, and PLC logic is preferred. * Must have good ...

Parker Hannifin Corp.

Journeyman Electrician

Woburn, MA

$23.50 - $38.50/hr

Active Massachusetts 2nd Class Fireman License or 3rd Class Engineer license preferred * Experience with pneumatics, hydraulics, basic electrical, and PLC logic is preferred. * Must have good ...

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All Jobs3Rd Class Engineer Jobs3Rd Class Engineer Jobs in Boston, MA

3Rd Class Engineer information

See Boston, MA salary details

$13

$35

$52

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

As of Aug 8, 2026, the average hourly pay for 3rd class engineer in Boston, MA is $35.79, according to ZipRecruiter salary data. Most workers in this role earn between $24.70 and $44.26 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 near Boston, MA are hiring for 3Rd Class Engineer jobs? Cities near Boston, MA with the most 3Rd Class Engineer job openings:
3Rd Class Engineer jobs near you
Infographic showing various 3Rd Class Engineer job openings in Boston, MA as of August 2026, with employment types broken down into 97% Full Time, and 3% Contract. Highlights an 82% In-person, 9% Hybrid, and 9% Remote job distribution, with an average salary of $74,440 per year, or $35.8 per hour.

Utilities 3rd Engineer

System One

Quincy, MA • On-site

$28 - $42/hr

Other

Medical, Dental, Vision, Life, Retirement

Re-posted yesterday

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