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3Rd Class Engineer Jobs (NOW HIRING)

The Donohoe Companies, Inc.

Lead Engineer

Washington, DC · On-site

$52.66/hr

The Lead Engineer will serve as the technical lead for the site and must hold a valid DC Third Class Engineer License. This position is responsible for overseeing the on-site CBS workforce, ensuring ...

CBS

Lead Engineer

Washington, DC · On-site

$52.66/hr

The Lead Engineer will serve as the technical lead for the site and must hold a valid DC Third Class Engineer License. This position is responsible for overseeing the on-site CBS workforce, ensuring ...

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

Building Engineering - Multiple Openings

Miami, FL · On-site

EPA Universal, HVAC, HVAC/R, CFC Universal, Journeyman, 01 Electrician, 07 Electrician, 1st class engineer (gold seal), 2nd class engineer (red seal), 3rd class engineer (blue seal), Low pressure ...

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3rd Class Engineer information

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

As of Sep 9, 2026, the average hourly pay for 3rd class engineer in the United States is $33.43, according to ZipRecruiter salary data. Most workers in this role earn between $23.08 and $41.35 per hour, depending on experience, location, and employer.

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 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 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 are hiring for 3Rd Class Engineer jobs?

Cities with the most 3Rd Class Engineer job openings:

What states have the most 3Rd Class Engineer jobs?

States with the most job openings for 3Rd Class Engineer jobs include:

What are popular job titles related to 3Rd Class Engineer jobs?

For 3Rd Class Engineer jobs, the most frequently searched job titles are:

3rd Class Engineer jobs near you
Infographic showing various 3Rd Class Engineer job openings in the United States as of August 2026, with employment types broken down into 1% As Needed, 66% Full Time, 32% Part Time, and 1% Contract. Highlights an 97% Physical, 1% Hybrid, and 2% Remote job distribution, with an average salary of $69,537 per year, or $33.4 per hour.

Lead Engineer

Washington, DC • On-site

The Donohoe Companies, Inc.
Real Estate • 51 - 200 employees
Learn more about The Donohoe Companies, Inc.external

$52.66/hr

Full-time

Re-posted 2 days ago

Job description

Complete Building Services (CBS) is seeking a Lead Engineer for a large facility located in Northwest Washington, DC. Reporting directly to the Chief Engineer. The Lead Engineer will serve as the technical lead for the site and must hold a valid DC Third Class Engineer License. This position is responsible for overseeing the on-site CBS workforce, ensuring all personnel perform their duties safely, effectively, and in full compliance with contract requirements. Send resume to vickit@donohoe.com and alexisd@donohoe.com

Lead Engineers provide 24/7 coverage M-F as well as on-site weekends and holidays to cover the building and ensure no equipment interruptions, acting as the technical lead in lieu of the Chief Engineer's absence. The Lead Engineers will support the Chief Engineer in all technical matters at the facility.

  • Manage in-house and subcontracted technical workforce handling ongoing operations and building infrastructure maintenance
  • Lead Engineer must be knowledgeable in operating, maintaining, and repairing HVAC utility and associated systems
  • Supervise planning, organization, and performance of maintenance and repair work supported by the DC 3rd  Engineers, Electricians, Elevator Technicians, and Utility Mechanics

Shifts: Day, Second, and Third shifts. (Monday - Friday and Weekends) 

Salary: $52.66 per hour


The Lead Engineer will possess the following:

  • Active DC 3rd Class license
  • High school diploma  
  • Minimum of 7-10+ years experience as a Lead or Chief Engineer in a comparable size facility (2 million + sq. ft.)
  • Comprehensive knowledge of MEP systems, specialized subcontracted trades, and mission critical operating characteristics to oversee and direct daily equipment and systems operations 
  • Computer proficient and advanced knowledge of DDC control system
  • Strong communication and writing skills

EOE, including disability/veterans


Complete Building Services (CBS) is a company that is dedicated to the operation and maintenance of buildings/facilities in the commercial and government sectors. CBS is the largest division of The Donohoe Companies, Inc. - Washington DC's most established real estate company. At CBS, we celebrate and empower our talented employees - and it shows as we have been ranked by the Washington Business Journal as the "Best Place to Work" multiple times. 

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