Maintenance Mechanic

Washington, D.C
Oct 05, 2022
Oct 07, 2022
Full Time

Tour of Duty: Day Shift, 7:00 am - 3:30 pm with an option of an Alternate Work Schedule (AWS)

Work may include holidays and weekends on a regular and reoccurring basis.

**The incumbent of this position is designated as "Emergency/Essential" and will be required to report to work during emergencies and inclement weather conditions.**

The individual selected for this position will:

HVAC and Refrigeration Troubleshooting, Installation and Maintenance

Maintains a variety of commercial and industrial systems in order to locate and check elements such as those which control low and high side pressures, the temperature of the cooling units, the temperatures of the liquid and suction lines and the running time of the various mechanisms.

Dismantles, repairs and reassembles units such as pumps, impellers, compressors, receivers and evaporators.

Overhauls valves by adjusting or replacing gaskets, springs, floats, diaphragms, valve fittings, seals and couplings and by aligning motors and drives.

Ensures the repair, overhaul, maintenance and servicing of equipment such as (but not limited to) refrigerator, freezers, water coolers, ice machines, commercial air handling units and smaller air conditioning units; ventilation systems, humidification and dehumidification systems, air compressors and central vacuum systems.

Oversees the installation, repair and troubleshooting of low voltage equipment such as thermostats and controllers; complex heating units related to steam, domestic and secondary hot water systems; other HVAC equipment such as variable frequency drives and motor controllers; and routine maintenance such as replacement of filters, bearings, calibration of sensors and other equipment.

Troubleshoots equipment electrical circuits to include VFDs, DX cooling units and low voltage controls.

Plumbing and Piping Systems Installation, Inspection and Maintenance

Troubleshoots and analyzes defects or malfunctions in specialized pipeline systems and related fixtures.

Inspects piping system equipment and fixtures using a variety of diagnostic techniques and equipment to locate a problem.

Checks steam and chilled water system for leaks, defects in equipment and malfunctions.

Independently conducts inspections of and troubleshoots piping systems, identifying irregularities and existing and/or potential problems.

Installs, modifies, repairs, maintains and troubleshoots high and low pressure piping systems, including domestic water distribution systems, sewage systems; steam generation systems; tempered water systems; hydronic heating systems; drain, waste and vent systems; sump pumps, sewage ejectors, irrigation systems; and fountain display systems.

Independently assembles, installs and repairs replacement pipes, fittings and fixtures of air, water, fountain, vacuum, chemical and other specialized pipeline systems and related fixtures according to specifications and plumbing codes.

Tests systems and equipment for proper operation, circulation, flow, pressure and ensures leak-free joints

Performs a variety of routine pipefitting tasks such as fabrication, installation, modification, repair and testing of piping and tubing.

Electronic Equipment Maintenance (Building Automation System/Direct Digital Controls)

Works on highly complex systems that are characterized by application of advanced electronic theory and frequent technological changes in the systems.

In support of HVAC operations, installs, maintains, troubleshoots and repairs new and existing highly complex systems of electronic sensing and control as well as new systems of similar complexity, mechanic implementing maintenance and repair procedures on major new or modified systems.

Responsible for installation, modification, operation, maintenance, calibration, repair and troubleshooting of the Direct Digital Controls (DDC) and for the day to day overall performance of the DDC.

Installs, modifies, operates, maintains, calibrates, repairs and troubleshoots sensor and controls and related interfaces with building equipment.

Provides technical support to the Facility Manager's team in finding solutions to control problems with the DDC system and its related hardware. Provides technical solutions to problems with control of individual jurisdictional equipment.

NOTE: Chlorofluorocarbon (CFC) certification by and EPA-Approved Technician's Certification Program is required. Proof of certification is required upon selection.


Conditions of Employment

  • You must be able to pass a drug test.
  • Your resume and question responses must demonstrate job-related elements.
  • Must be able to lift items up to 50 pounds.

"To be employed by the Architect of the Capitol in a paid position, an individual must meet one of the categories below:
  • A citizen of the United States;
  • A person who is lawfully admitted for permanent residence and is seeking citizenship as outlined in 8 U.S.C. 1324b(a)(3)(B);
  • A person who is admitted as a refugee under 8 U.S.C. 1157 or is granted asylum under 8 U.S.C. 1158 and has filed a declaration of intention to become a lawful permanent resident and then a citizen when eligible;
  • A person who owes allegiance to the United States (nationals of American Samoa, Swains Island, and the Northern Mariana Islands, and nationals who meet other requirements described in 8 U.S.C. 1408); or
  • A person who is currently an officer or employee of the Government of the United States."


You must meet all eligibility and qualification requirements by the closing date of the job announcement.

To qualify for this position, applicants must show journey level experience in at least two of the following occupational areas: Electronics, HVAC, Plumbing or Pipefitting. This experience must be reflected in your resume.
You must meet the following SCREEN-OUT(S) required for this position.
  • Ability to perform the duties of a maintenance mechanic (i.e. maintenance and repair of mechanical, plumbing, utility, heating, ventilation and air-conditioning (HVAC), steam generating equipment and building automation systems) without more than normal supervision.

Your application must show that you have sufficient training and/or experience to perform the duties of the position as described in the vacancy announcement.


There is no educational requirement.

Additional information

Welcome Veterans. The Veterans Employment Opportunities Act of 1998 (VEOA) gives veterans' preference rights in the legislative branch to certain veterans as applied by the Congressional Accountability Act. Veterans' preference is applied on this vacancy announcement. If you are a veteran and have been separated under honorable conditions, you must submit a copy of your DD-214 or other proof of eligibility; SF-15, if applicable; and Department of Veterans Affairs documentation of disability, if applicable. For more information, please visit .

If you are a male applicant born after December 31, 1959, you must certify that you have registered with the Selective Service System. If you are exempt from registration under Selective Service Law, you must provide appropriate proof of exemption. Please visit the Selective Service System website for more information.

DRUG TESTING: The Architect of the Capitol (AOC) is a Drug Free Workplace. As part of the AOC's suitability assessment, a candidate tentatively selected for a position who is not currently an AOC employee is required to submit to screening for illegal drug use. Satisfactory completion of a drug test is a condition of employment with the Agency. A candidate must test negative prior to being eligible for appointment into a position. We will schedule, provide and cover the cost for the drug test.

The selectee(s) under the vacancy announcement for this position is subject to a criminal record check by the U.S. Capitol Police and satisfactory adjudication to be eligible for employment at the Architect of the Capitol.

The Architect of the Capitol is an E-VERIFY Participant. E-VERIFY is an Internet-based system that compares information from an employee's Form I-9, Employment Eligibility Verification, to data from U.S. Department of Homeland Security (DHS) and Social Security Administration records to confirm employment authorization in the United States. If you are selected for this position, the documentation that you present for purposes of completing the DHS Form I-9 will be verified through the DHS "E-VERIFY" electronic system. For more information on E-Verify, please visit

The Architect of the Capitol is an Equal Opportunity Employer and prohibits discrimination on the basis of race, color, sex, religion, age, national origin, sexual orientation, gender identity, genetic information and/or disability.

This agency provides reasonable accommodation to applicants with disabilities. If you need a reasonable accommodation for any part of the application and hiring process, please notify the agency. The decision on granting reasonable accommodation will be made on a case-by-case basis.

Moving expenses are not authorized.

Relocation expenses are not authorized.

Probationary Period - A newly appointed selectee is subject to the completion of a one-year trial/probationary period, regardless of whether or not a trial/probationary period has been completed previously with the Architect of the Capitol or another Federal agency.

This vacancy announcement may be used to fill additional vacancies in any of the jurisdictions of the Architect of the Capitol.

All application materials become the property of the Architect of the Capitol.