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Maintenance Mechanic Assistant Supervisor


Job Location:

Washington, DC - USA

Hourly Salary: USD 45 - 45
Posted: 6 October 2026 (19 days ago)
Application Deadline: 3 January 2027
Vacancies: 1 Vacancy

Job Summary

Summary

This position is located in the Architect of the Capitol (AOC) Office of the Chief of Operations Facility Manager Building and Grounds Supreme Court Operations and Maintenance Division Maintenance Branch Day. Serves as full Assistant Supervisor and is responsible for managing and overseeing operations maintenance and repair of mechanical plumbing utility HVAC hydronic heating steam generating equipment and building automation systems at the Supreme Court of the United States.


Duties

Applicant Must Possess a Current and Valid Drivers License

Chlorofluorocarbon (CFC) certification by an EPA-Approved Technicians Certification Program is Desired.

The selectee will be required to report to work during emergencies and inclement weather situations. Core hours for this position are from 6:00 am to 2:30 pm with the option of an alternative work schedule. Tour of duty may include holidays and weekends on a regular and recurring basis. Rotating shift work may also be required at managements discretion to support the mission of the Supreme Court facility.

TO BE CONSIDERED FOR THIS POSITION JOURNEY-LEVEL EXPERIENCE IS REQUIRED IN THE FOLLOWING OCCUPATIONAL TRADES: AIR CONDITIONING AND PIPEFITTING

Major Duties:

Supervisory

Functions as a full assistant to the Maintenance Mechanic Supervisor with full authority to act on all matters for which the supervisor is responsible. Serves as a working supervisor working alongside subordinates performing the same work as the subordinates and provides advice to the Facilities Managers team on all matters affecting facilities maintenance productivity efficiency and management.

Performs administrative and technical supervisory functions for subordinates. Assigns duties and evaluates performance. Manages the organizational units budget and workload to include material purchases and service contract development and oversight.

Assigns work to employees directly and through work leaders and provides technical direction and/or assistance in accomplishing the work. Observes work in progress investigates work related problems and determines causes. Implements corrective actions to resolve work problems.

Plans and established leave schedules. Determines training needs of subordinates and arranges for its accomplishment. Counsels employees on performance sets performance standards and makes formal appraisals of subordinates work performance.

Uses computerized systems to support work assignments.

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. Observes and tests the operating efficiency of heating systems in order to localize malfunctions.

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.

Tests systems and equipment for proper operation circulation flow pressure and ensures leak-free joints. Traces and troubleshoots pipelines systems and equipment to locate and repair leaks and trouble spots. Performs safety and preventive maintenance inspections of systems and equipment.

Inspects and maintains sprinkler system fire and booster (jockey) pumps to confirm that proper system pressure is available. Troubleshoots and repairs fire pump motor controls and electrical control systems.

Air Conditioning System and Refrigeration Troubleshooting Installation and Maintenance

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. Ability to navigate the Building Automation System (BAS) system from an operation troubleshooting and diagnosis standpoint; as well as perform the installation of equipment and components. 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.

Chlorofluorocarbon (CFC) certification by an EPA-Approved Technicians Certification Program is Desired.

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

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.

Is 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.


Requirements
Conditions of employment
  • You must be a U.S. Citizen.
  • You must be able to pass a drug test.
  • Your resume and question responses must demonstrate the job-related KSAs.
  • You must possess and maintain an active Drivers License.

Requirements:

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.
Qualifications

You must meet the United States Office of Personnel Managements (OPM) qualification requirements for the advertised position.

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

You must meet the selective placement factor required for this position: Ability to supervise employees in the mechanical trades field.

And Journey-level skill in Air Conditioning and Pipefitting.

Education

Requirements:

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.
Additional information

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 AOCs 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 employees 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 Architect of the Capitol is an Equal Opportunity Employer and prohibits discrimination on the basis of race color sex religion age national origin 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 on a case-by-case basis.

Moving expenses are not authorized.

Relocation expenses are not authorized.

Probationary Period- A newly appointed selectee(s) 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.

All Federal employees are required to have Federal salary payments made by direct deposit to a financial institution of their choice.
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.

Candidates should be committed to improving the efficiency of the Federal government passionate about the ideals of our American republic and committed to upholding the rule of law and the United States Constitution.

A career with the U.S. government provides employees with a comprehensive benefits package. As a federal employee you and your family will have access to a range of benefits that are designed to make your federal career very rewarding. Opens in a new windowLearn more about federal benefits.

A variety of health insurance plans; retirement system with investment options; paid holidays; paid sick and annual (vacation) leave; life insurance; incentive systems; subsidized transportation; training and development opportunities etc.

Selected applicant(s) may be eligible to earn a higher annual leave accrual rate credit towards annual leave accrual based on prior non-Federal or uniformed service work experience. The amount of service credit will be based on specialized experience or qualifying experience that is provided on the applicant profile submitted. As such if you are a new employee to the Federal Government or a rehire it is important that you provide a work history that lists all directly related positions held and it must include the dates of employment (month/day/year).

The Architect of the Capitol offers eligible employees opportunity to participate in the Student Loan Repayment Program.

Eligibility for benefits depends on the type of position you hold and whether your position is full-time part-time or intermittent. Contact the hiring agency for more information on the specific benefits offered.


Required Experience:

Manager