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Dc 3Rd Class Engineer Jobs (NOW HIRING)

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 ...

New

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 ...

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 ...

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 ...

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 ...

Melwood

ENGINEER

Beltsville, MD · On-site

$37.87/hr

Melwood & Eggleston Enterprises, LLC has an immediate need for a DC 3rd Class Engineer at the Carver Center. Melwood & Eggleston Enterprises, LLC offers an experienced single-source solution for ...

Melwood

ENGINEER

Washington, DC · On-site

Melwood has an immediate need for a DC 3rd Class Engineer in Washington, DC. Responsible for the safe and efficient operation and maintenance during his/her watch of all equipment in his/her plant.

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 ...

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 ...

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 ...

The Donohoe Companies, Inc.

Plant Operator

Fairfax, VA · On-site

$45 - $50/hr

DC 3rd Class Engineer license or Maryland 1st Class Engineer license * EPA 608 (Universal CFC) EOE, including disability/veterans IND123 Complete Building Services (CBS) is a company that is ...

Complete Building Services

Plant Operator

Fairfax, VA · On-site

$45 - $50/hr

DC 3rd Class Engineer license or Maryland 1st Class Engineer license * EPA 608 (Universal CFC) EOE, including disability/veterans IND123 Why You'll Love Working With Us Complete Building Services ...

Complete Building Services

Plant Operator

Fairfax, VA · On-site

$45 - $50/hr

DC 3rd Class Engineer license or Maryland 1st Class Engineer license * EPA 608 (Universal CFC) EOE, including disability/veterans IND123 Why You'll Love Working With Us Complete Building Services ...

Alutiiq

Lead Engineer

Arlington, VA · On-site

$117K - $154K/yr

Minimum five (5) years of experience in engineering services related to facility operations District of Columbia (DC) 3rd Class Steam and Hot Water Heating Boiler Engineer license Secret security ...

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$31K

$95.8K

$127.5K

How much do dc 3rd class engineer jobs pay per year?

As of Aug 18, 2026, the average yearly pay for dc 3rd class engineer in the United States is $95,796.00, according to ZipRecruiter salary data. Most workers in this role earn between $81,000.00 and $116,000.00 per year, depending on experience, location, and employer.

What is a DC 3rd Class Engineer?

A DC 3rd Class Engineer is a licensed professional responsible for operating and maintaining boilers, engines, and other mechanical equipment in facilities such as power plants or large buildings. The '3rd Class' designation typically refers to the level of license or certification required, which allows them to work with specific types or sizes of equipment under certain regulations. Their duties often include monitoring systems, performing routine maintenance, and ensuring all equipment runs safely and efficiently. They usually work under the supervision of more senior engineers. This role is essential for the continuous and safe operation of large-scale mechanical systems.

What does a DC 3rd Class Engineer do?

As a DC 3rd Class Engineer, your daily responsibilities often include monitoring and maintaining building systems such as HVAC, boilers, and electrical equipment. You'll perform regular inspections, conduct preventative maintenance, and respond promptly to service calls or equipment malfunctions. Collaboration with other engineering team members and facility staff is common to ensure smooth operations. Additionally, accurate documentation of maintenance activities and adherence to safety protocols are essential parts of the role.

What skills and qualifications are needed to be a DC 3rd Class Engineer?

To thrive as a DC 3rd Class Engineer, you need a solid understanding of mechanical systems, boiler operations, and basic electrical knowledge, usually backed by a 3rd Class Engineer license or equivalent certification. Familiarity with control systems, maintenance management software, and safety protocols is commonly required. Strong problem-solving skills, attention to detail, and effective teamwork are essential soft skills in this role. Mastering these abilities ensures the safe and efficient operation of equipment, regulatory compliance, and minimizes downtime in industrial or facility settings.

What is the difference between Dc 3Rd Class Engineer vs Dc 2Nd Class Engineer?

AspectDc 3Rd Class EngineerDc 2Nd Class Engineer
CertificationsRequires a 3rd Class Engineer LicenseRequires a 2nd Class Engineer License
Work EnvironmentMaintains and operates machinery in ships or facilitiesHandles more complex systems, supervises 3rd Class Engineers
ResponsibilitiesAssists in machinery operation and maintenanceOversees 3rd Class Engineers, manages systems

The main difference between a Dc 3Rd Class Engineer and a Dc 2Nd Class Engineer lies in their certification requirements and responsibilities. A Dc 2Nd Class Engineer has a higher license, enabling them to oversee more complex machinery and supervise lower-class engineers. Both roles are essential in maritime and industrial settings, but the 2nd Class Engineer holds greater authority and technical expertise.

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Cities with the most Dc 3Rd Class Engineer job openings:

What states have the most Dc 3Rd Class Engineer jobs?

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

Dc 3Rd Class Engineer jobs near you
Infographic showing various Dc 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 $95,796 per year, or $46.1 per hour.

DC 3rd Class Engineer

CMI Management

Washington, DC

Full-time

Posted yesterday

New

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.