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Heavy Equipment Mechanic (Electro-Mechanic) Repairer I

Metropolitan Washington Airports Authority
Washington D.C
Closing date
Nov 21, 2023

Job Details

Compensation Grade:
Salary Range:

Opening Date:
July 28, 2023

Closing Date:

Please Note: All job announcements close at 11:59 p.m. of the day before the posted closing date.

As a Heavy Equipment Mechanic (Electro-Mechanic) Repairer I, you will perform a wide range of duties to maintain electrical and electronic systems, as well as assist mechanics with preventive maintenance and routine repairs for heavy mobile gasoline and diesel fuel equipment maintained by the shop.

Heavy Equipment Mechanic (Electro- Mechanic) Repairer I

This is a developmental level job and may lead to the next rung of the Heavy Equipment Mechanic (Electro-Mechanic) Repairer career ladder.

After 12 months of successful performance and upon demonstrating proficiency in the operation, maintenance, troubleshooting, and repair of Pre-Conditioned Air Units on Passenger Boarding Bridges and the HVAC systems on Mobile Lounges and Plane-Mates, a one grade increase is awarded non-competitively and the incumbent moves to the Heavy Equipment Mechanic (Electro- Mechanic) Repairer II job profile.

After an additional 12 months of successful performance and upon demonstrating proficiency in the operation, maintenance, troubleshooting, and repair of Aircraft Ground Power units (GPUs) on Passenger Boarding Bridges and generator systems on Mobile Lounges and Plane-Mates, the incumbent moves to the full performance Heavy Equipment Mechanic Electrical job profile (T43001A).

Serves in the Equipment Maintenance Division in the Airport Maintenance Department at Washington Dulles International Airport.

Performs a wide range of shop duties, preventive maintenance, routine repairs, and determines causes of operating problems on electrical systems (up to 670V) and heating, ventilation, and air-conditioning systems (HVAC) on various types of stationary and specialized mobile equipment maintained by the shop in accordance with accepted trade practices. Receives individual assignments and on-the-job training and attends formal classes to help build knowledge, troubleshooting skills, and other proficiencies toward the target level in the career ladder-the full performance (journey) level Heavy Equipment Mechanical (Electrical). Performs related functions.


Performs a variety of duties to maintain electrical and electronic systems. Uses electrical drawings, schematics, and wiring diagrams to trace and troubleshoot faulty circuits, wiring, and to determine defective electrical components.

Maintains, repairs, disassembles, adjusts, and reconditions heating, ventilation, and air conditioning systems and components such as compressors, condensers, pumps, receivers, evaporators, and thermostatic coils. Uses manifold pressure gauges to determine proper operation and refrigerant levels.

Responds to trouble calls to take immediate corrective action on malfunctioning equipment and vehicles including equipment carrying passengers or equipment that is actively servicing aircraft.

Performs mechanical repairs and adjustments as may be required in the performance of duties or as assigned.

Performs shop housekeeping duties as required or as directed by the supervisor.

Uses test equipment including digital volt ohm meters (DVOMs), amp probes, digital storage oscilloscopes (DSOs), reactive and resistive load banks.

Uses soldering and brazing techniques to repair and install copper tubing and air-conditioning repairs in accordance with Environmental Protection Agency (EPA) regulations on refrigerant handling and recovery.

Performs other duties, as assigned.


Three years of progressively responsible experience in the maintenance and repair of either: electrical systems or subsystems; OR heavy equipment; OR HVAC systems.

Basic knowledge of electrical theory and principles, including control circuits, to recognize excessive current flow, isolate equipment from system for repairs, and otherwise maintain, troubleshoot, and repair electrical systems, subsystems, and equipment.

Basic knowledge of core parts of the National Electric Code to work on electrical systems and meet requirements.

Basic knowledge of the principles and operating characteristics of heating and air-conditioning systems and related controls, including vehicular, mobile, and stationary equipment.

Basic knowledge of EPA refrigerant handling and recovery regulations to comply with environmental guidelines in daily work.

Skill in using various types of hand tools and special equipment in making adjustments and repairs.

Ability to perform general analyses of data and information (including reading diagrams and schematics).

Ability to work safely and knowledge of the safety rules, regulations, and procedures to do so.

Ability to speak and write effectively.

Skill in using a computer, computerized work order and time and attendance system, and specialized computerized vehicle diagnostic equipment.


A Class B or Class A Commercial Driver's License.


A high school diploma or a Certificate of General Educational Development (GED).


A state driver's license in good standing.

Licensed as a Class B Commercial Driver (CDL) within 90 days of hire, promotion, or placement into the job.


May work occasionally outside in all kinds of weather when making service calls.

Is exposed to possible burns from chemicals or heated engine components, possible electrical shock, possible falls from ladders or large mobile equipment, and slips on oily flooring. Follows general and/or special safety precautions, and wears protective personal equipment, as required.

Is subject to hold-over and recall on a 24-hour basis for essential services and emergencies such as snow removal.

Work is typically reviewed in progress and upon completion for quality, quantity, timeliness, teamwork, customer service, and other factors.


A background security investigation will be required for all new hires.

Metropolitan Washington Airports Authority is an Equal Opportunity Employer.| Follow us on Twitter @MWAAcareers.


The Metropolitan Washington Airports Authority operates a two-airport system that provides domestic and international air service for the mid-Atlantic region. The organization consists of approximately 1,700 employees in a structure that includes central administration, airports management, and police and fire departments. In addition to operating Ronald Reagan Washington National and Washington Dulles International Airports, the Airports Authority is responsible for capital improvements at both airports and management of the Dulles Toll Road.


Company info
D.C. Metro
United States

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