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3Rd Class Engineer Jobs (NOW HIRING)

Dexterra

DC 3rd Class Engineer

Washington, DC

The DC 3rd Class Engineer is responsible for the safe and efficient operation and maintenance of all equipment at CMI's customer site in Washington, DC. Shift - Monday- Friday 2:00pm-10:00 Key Job ...

CMI Management

DC 3rd Class Engineer

Washington, DC

The DC 3rd Class Engineer is responsible for the safe and efficient operation and maintenance of all equipment at CMI's customer site in Washington, DC. Shift - Monday- Friday 2:00pm-10:00 Key Job ...

Dexterra

DC 3rd Class Engineer

Washington, DC · On-site

The DC 3rd Class Engineer is responsible for the safe and efficient operation and maintenance of all equipment at CMI's customer site in Washington, DC. Shift - Monday- Friday 2:00pm-10:00 Key Job ...

Complete Building Services

Engineer DC 3rd

Washington, DC · On-site

$52.66/hr

About the Role The DC 3rd Class Engineer will have comprehensive knowledge of MEP systems and mission critical operating characteristics to support full building operations. On each shift, Engineers ...

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 ...

Donohoe Companies Inc., The

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 ...

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3RD Class Engineer information

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$12

$33

$49

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

As of Aug 30, 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:

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.

DC 3rd Class Engineer

Washington, DC

Dexterra
Repair and Maintenance • 5 - 10K employees
Learn more about Dexterraexternal

Full-time

Posted 19 days ago

Job description

Company Description

CMI is now a part of the Dexterra Group!
CMI Management LLC is headquartered in Alexandria, VA and is a proven provider of efficient business, technology and facilities management solutions designed to help government and commercial clients reduce operational costs, operate at optimum performance and access the information needed for daily and long-term productivity. CMI has been in business for over 30 years and is well established in the federal contracting arena.  Please visit www.cmimgmt.com to learn more about our company!

Job Description

The DC 3rd Class Engineer is responsible for the safe and efficient operation and maintenance of all equipment at CMI's customer site in Washington, DC.

Shift - Monday- Friday 2:00pm-10:00

Key Job Functions

  • Perform maintenance, troubleshooting, diagnoses and repairs to facilities equipment, fixtures, and property including but not limited to: HVAC, plumbing, electrical and mechanical systems controls, building automation systems, carpentry, painting, masonry, appliance repairs, minor grounds work and effectively perform minor and /or skilled maintenance tasks at customer facilities, property, fixtures, electrical and mechanical systems, and equipment
  • Troubleshoot/diagnose and correct infrastructure problems with facilities, equipment, and property
  • Safely and effectively perform minor and /or skilled maintenance tasks on customer facilities, property, fixtures, electrical and mechanical systems, and equipment
Qualifications
  • High School Diploma or equivalent
  • 3rd Class DC License is required
  • Knowledge of systems which include but not limited to performing diagnostics and repairs on electrical equipment, plumbing repairs, toilets, sinks, domestic water system, etc
  • Demonstrated working knowledge of engineering and building systems
Additional Information

COMPETENCIES FOR SUCCESS

  • Teamwork
  • Results orientation/operational excellence
  • Holding self and other accountable
  • Operational business thinking

All your information will be kept confidential according to EEO guidelines.

CMI is an equal opportunity employer committed to diversity and inclusion. We are pleased to consider all qualified applicants for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability, protected veterans' status, Indigenous status, or any other legally protected factors. Disability-related accommodations during the hiring selection process are available upon request.

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