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Maintenance Mechanic Assistant Supervisor

Architect of the Capitol · Legislative Branch · Washington, District of Columbia

Federal agencyWS-10
At a glance

A this is an excepted service position and does not require or confer civil service competitive status, permanent, full time job with Architect of the Capitol in Washington, District of Columbia. It pays $45.21$52.68 per hour (annualised at 2,087 hours) at grade WS-10. Applications close on Sep 18, 2026 — 2 days left.

Working pattern
Telework eligible
Who can apply
Open to the public
Clearance
Not Required

Main duties

  • Applicant Must Possess a Current and Valid Driver's License Chlorofluorocarbon (CFC) certification by an EPA-Approved Technician's 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.
The original posting

Full details

About the role

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.

What you will do

  • Applicant Must Possess a Current and Valid Driver's License Chlorofluorocarbon (CFC) certification by an EPA-Approved Technician's 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 management's 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 Manager's 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 unit's 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 Technician's 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

  • 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.

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.

How you will be evaluated

Review your resume and responses carefully. Your eligibility for consideration and qualifications for the position will be determined based upon a review of your detailed resume and your responses to job specific self-assessment questions.

Your resume will be evaluated based on evidence of your ability to demonstrate the knowledge, skills, and abilities (KSAs) for this position, possession of any specialized experience, and how well your background and experience relates to the self-assessment questions in the job announcement.

The self-assessment questions relate to the following knowledge, skills, abilities, and competencies: 1. Ability to supervise employees in the mechanical trades field. 2.

Knowledge of technical practices, equipment systems, installation, maintenance, and troubleshooting associated with the air conditioning and pipefitting trades. 3. Skill in the use of tools and diagnostic equipment in the air conditioning and pipefitting trades.

4. Ability to plan, prioritize, schedule and coordinate maintenance work, including determining workload, staffing, resources and work priorities. 5.

Ability to monitor maintenance operations, identify work related problems and productivity issues, and implement corrective actions. Your responses to the self assessment questions serve as the basis for your initial rating. You will receive a numerical score based on your responses to these questions.

Next, your responses will be evaluated by a Human Resources Specialist and/or a subject matter expert against the information provided in your resume and optional cover letter. Your resume must support your answers to the self assessment questions. Falsifying your background, education, and/or experience is cause for not hiring you or disqualification for further consideration.

Please note that a complete application is required for consideration.

(Please review the “Required Documents” section of this job announcement to see what must be included in a complete application). You may preview questions for this vacancy.

Documents you must provide

  • The Architect of the Capitol's job application process is designed to ensure that we only ask you for the information that is absolutely needed to evaluate your qualifications and eligibility for the position.
  • To apply for this position, you only need to submit online the following: a) your resume and 2) answer the online vacancy assessment questionnaire.
  • The online questionnaire contains eligibility and screening questions and other relevant supplemental information.
  • No additional documentation or attachment is required at the time of application.
  • We ask that you prepare and submit a resume that best describes fully your background experience, skills, abilities, education, training and other relevant credentials.
  • The resume should include dates of employment.
  • Nothing further is required until it is requested by the staff of the Human Capital Management Division.
  • If additional documentation is required for a position, you will be asked to provide it during the selection process or upon selection.
  • At that point, we may ask you to submit documentation to support statements made in your resume.
  • For example, we may ask you to provide documents such as college transcripts, copy of diploma or proof of Federal employment status.
  • If the position requires a license or certification, we will ask candidate(s) to provide proof at the time of selection.
  • If you are claiming veterans' preference, we may ask you to submit proof of Veterans preference (DD-214, and, if claiming 10-point preference, the SF-15 plus proof required by that form).
  • If you fail to provide the required documents, we will withdraw a tentative job offer made and/or remove you from further consideration.

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.

What to expect next

You will receive a notice generated by the USAJobs System when you have successfully submitted your application. We will review your application to ensure you meet the basic qualification requirements. You can check the status of your application by logging into ***

You may also sign up to receive automatic emails anytime the status of your application has changed by logging into your USAJobs Account, editing your profile and changing the ‘Notification Settings' to indicate that you want to be notified by email when the status changes.

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 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, 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.

How to apply

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Details on this page reflect the source posting as of Sep 17, 2026. Closing dates and salary ranges can change without notice — the official listing is always authoritative. How our coverage works.

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