Air Conditioning Equipment Mechanic

Washington, D.C
Jun 11, 2021
Jun 17, 2021
Full Time


This position is located in the Architect of the Capitol (AOC), House Office Buildings, Mechanical Systems Day or Evening Night Section. The selectee works on Air Conditioning Equipment and performs tasks involving installing, repairing and modifying air conditioning and refrigeration equipment and systems that regulate climatic conditions. May be hired at the Mechanic level (WG-10) or Worker level (WG-8).

Learn more about this agency


TOURS OF DUTY: Evening Shift (2:00 pm to 10:30 pm)

***Hours may change due to operational needs of Management***

***The positions are designated as "Emergency/Essential" and will be required to report to work during emergencies and inclement weather conditions.***

  • Runs and maintains air conditioning equipment throughout offices and other facilities requiring critical control of temperatures.
  • Makes all required mechanical connections in order to secure ventilation and exhaust fans for steadiness and cavitation-free functioning.
  • Fuses chilled water or refrigerant lines to condensers, evaporators, compressors, and controls. Evacuates, dehydrates and charges system with appropriate refrigerants. Checks for refrigerant leakages. Resets controls essential to maintain desired temperatures, pressure, and humidity.
  • Locates and diagnoses problems in control systems following trouble calls or inspections.
  • Fabricates new and/or repairs parts such as hinges, flanges, pipe joints, and bearing sleeves, which can require welding. Makes all necessary adjustments in electrical and pneumatic controls for optimal operation of chilled or hot water valves, booster heaters, pre-heaters, maximum air return from outside, and automatic and bypass volume dampers.
  • Routinely maintains associated electronic equipment using manufacturer's equipment guides and specifications, industry criteria, and established techniques for guidance.
  • Checks systems for suitable running cycles, refrigerant and oil leakages, motor and compressor temperatures, belt adjustment and replacement, set points, cleanliness, operations and superheat rotation, and heating protection. Notes any faulty or damaged parts or unsuitable settings and adjustments and makes necessary modifications. Reports any equipment needing major repairs to the supervisor.

The duties quoted are at the WG-10 level .

The position may be filled at the Worker level (WG-8) or Journey-level (WG-10). If hired at the Worker level (WG-8), the selectee will perform progressively more difficult tasks to develop skills leading to promotion to the Mechanic level (WG-10).

Travel Required

Not required

Supervisory status

Promotion Potential
11 - The selectee will have non-competitive promotion potential to the WG-11.


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.

Applicants are required to obtain a valid Environmental Protection Agency (EPA) approved Universal Certification to ensure compliance with environmental and safety regulations while in the performance of duties for this position. Applicants must acknowledge and sign the Hazardous Waste Management Requirement form prior to entrance on duty for the position.


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

You must meet the Screen-out element for this position which will be used to determine minimum eligibility for this position.

The screen-out element for this position is:

WG-08: Ability to perform Air Conditioning Equipment Worker duties without more than normal supervision.

WG-10: Ability to do the work of a journey level Air Conditioning Equipment Mechanic without more than normal supervision.

***NOTE: This experience MUST be clearly and fully supported in your resume.


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 OPM vet guide

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, sexual orientation, 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.

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 You Will Be Evaluated

You will be evaluated for this job based on how well you meet the qualifications above.

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.

In order to qualify for this position, your resume must provide sufficient experience, knowledge, skills, and abilities to perform the duties of the specific position for which you are being considered. Your resume is the key means we have for evaluating your skills, knowledge, and abilities as they relate to this position. Therefore, we encourage you to be clear and specific when describing your 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:

-Appropriate Level of Supervision (SCREEN OUT)
-Interpreting Instructions
-Equipment, Assembly, Installation
-Tools and Equipment

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).

To preview questions please click here .

Background checks and security clearance

Security clearance

Drug test required

Position sensitivity and risk
Non-sensitive (NS)/Low Risk

Trust determination process

Required Documents

The Architect of the Capitol's (AOC) job application process is designed to ensure you only provide information necessary to evaluate your qualifications and eligibility for the position vacancy.

To apply for this position, you only need to submit: a) your resume and b) answers to the online vacancy assessment questionnaire. The online questionnaire contains eligibility and screening questions and other relevant information. No additional documentation or attachments are required at the time of application.

Your resume should list your education, training and work experience including job titles, employment dates (MM/DD/YR), duties and accomplishments.

Nothing further is required until it is requested by AOC's Human Capital Management Division. If additional documentation is required for the position, you will be asked to provide it during the interview or selection process. At that time, you may be asked to submit documentation to support statements made in your resume.

For example, you may be asked to provide a copy of your diploma, college transcripts, or proof of Federal employment status. If the position requires licensure or certification, you will be asked to provide proof at the time of selection.

If Veterans' preference is claimed, you will be asked to submit proof (DD-214, and, if claiming a 10-point preference, a SF-15 and the proof required by that form).

Failure to provide the required documents will end further consideration and/or result in the withdrawal of any tentative job offers.

If you are relying on your education to meet qualification requirements:

Education must be accredited by an accrediting institution recognized by the U.S. Department of Education in order for it to be credited towards qualifications. Therefore, provide only the attendance and/or degrees from schools accredited by accrediting institutions recognized by the U.S. Department of Education .

Failure to provide all of the required information as stated in this vacancy announcement may result in an ineligible rating or may affect the overall rating.

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