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Dc 3Rd Class Engineer Jobs in Reston, VA (NOW HIRING)

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 ...

CBS

Lead Engineer

Washington, DC

$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 ...

Amentum

Engineer-Third Class

Washington, DC · On-site

Amentum is seeking a licensed and skilled Engineer - 3rd Class to support facility operations and mechanical system maintenance in the Washington, DC area. This position is responsible for the ...

Pae

Engineer-Third Class

Washington, DC

Amentum is seeking a licensed and skilled Engineer - 3rd Class to support facility operations and mechanical system maintenance in the Washington, DC area. This position is responsible for the ...

Complete Building Services

Plant Operator

Fairfax, VA · On-site

DC 3rd Class Engineer license * EPA 608 (Universal CFC) EOE, including disability/veterans Why You'll Love Working With Us Complete Building Services (CBS) is a company that is passionate about the ...

JLL

Chief Engineer

Washington, DC

DC 3rd Class Engineer license * Experience using Microsoft Office (Word, Outlook, Excel, Teams) * Ability to lift up to 50 lbs * Comfort using ladders up to 30 feet tall * Ability to frequently climb ...

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All JobsDc 3Rd Class Engineer JobsDc 3Rd Class Engineer Jobs in Reston, VA

Dc 3Rd Class Engineer information

See Reston, VA salary details

$32.3K

$99.7K

$132.6K

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

As of Jun 26, 2026, the average yearly pay for dc 3rd class engineer in Reston, VA is $99,662.00, according to ZipRecruiter salary data. Most workers in this role earn between $84,300.00 and $120,700.00 per year, depending on experience, location, and employer.

What are some of the typical daily responsibilities for a DC 3rd Class Engineer in a facility setting?

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 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.

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 are the key skills and qualifications needed to thrive as a DC 3rd Class Engineer, and why are they important?

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.
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Dc 3Rd Class Engineer jobs near you
Engineer DC 3rd

Engineer DC 3rd

The Donohoe Companies, Inc.

Washington, DC

$52.66/hr

Full-time

Posted 18 days ago

Job description

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 perform tours and daily watches to monitor safe system operations and maintain systems at peak performance.

  • Engineers preform tours and daily watches to monitor safe system operations and maintain system to peak performance
  • Perform operation and daily function of installed equipment, required temperatures and humidity levels, and BAS displays and alarms
  • Engineers will apply their knowledge of refrigeration theory, pipe-fitting, and plant operations to install, service, and maintain MEP systems, including preventive maintenance maintenance and service call repair

All Shifts 6am - 2pm, 8am -4pm, 9am - 5pm, 10am - 6pm,  3pm - 11pm, 11pm - 7am. (Monday - Friday) 

Salary: $52.66 per hour


The DC 3rd Class Engineer shall possess the following minimum qualifications:
  • Must possess a valid stationary engineer's license equivalent to Class 3 Steam Engineer (DC) 
  • Minimum five (5) years of experience in steam plant operations
  • Minimum 3-5 years of experience in steam plant operations, chemical analysis, and troubleshooting
  • Experience with computerized monitoring systems and automated control technologies.
  • Strong knowledge of DC regulatory requirements for steam systems.
  • Familiarity with preventative maintenance programs for industrial equipment. 

  • Technical expertise in steam generation, condensate recovery, and cooling system operations.

  • Strong problem-solving and analytical skills for troubleshooting plant issues.

  • Proficiency in Microsoft Office, CMMS (Computerized Maintenance Management Systems), and

  • BMS (Building Management Systems).

  • Excellent organizational and time management skills to handle multiple tasks efficiently.

  • Strong verbal and written communication skills for record-keeping and reporting.

  • Ability to prioritize and execute tasks with minimal supervision.                                                                                               

EOE, including disability/veterans


Complete Building Services (CBS) is a leading facilities management company specializing in the operation, maintenance, and engineering of commercial, government, and private-sector buildings. CBS is committed to delivering reliable, high-quality services that ensure the efficient performance and long-term sustainability of the facilities it manages.

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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