Federal

HVAC Electronics Mechanic (DDC)

Architect of the Capitol Β· Legislative Branch
πŸ“ Washington, District of Columbia WG-12 $38 - $45/hr
Posted: Jun 4, 2026 Deadline: Jun 24, 2026 (Closes in 16 days)

About This Position

This position is located in the Architect of the Capitol (AOC), Office of the Chief of Operations, Superintendent, Capitol Building, Assistant Superintendent, Tenant Services and Facility Operations Division, Maintenance Branch, HVAC-R Section. The incumbent performs progressively more complex assignments on electronic equipment and control systems frequently solving multi-dimensional problems while inspecting, troubleshooting, maintaining and adjusting heating and cooling systems.

Qualifications

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

You must meet the following SCREEN-OUT(S) required for this position. Ability to perform the work of and HVAC Electronics Mechanic (DDC) without more than normal supervision WG-12: Independently utilizes knowledge for advance troubleshooting and repair of digital control programming; installation, repairing testing, overhauling and modification of multiple HVAC electronic systems, utilizing a comprehensive knowledge of electronic principles and practices.

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

Major Duties

Tour of duty: Evening Shift: Monday - Friday -1:30pm - 10:00pm. Night Shift: Sunday night thru Friday morning - 9:30PM to 6:00AM Hours May Change Due to Operational Needs of Management The individual selected for this position will: Inspect and Troubleshoots HVAC Electronics and DDC Uses a precise knowledge of Direct Digital Controls (DDC) for advanced troubleshooting and repair abilities. Possess the ability to make changes to digital control programming for Automated Logic and Alerton control systems.

Uses skills to troubleshoot and edit a WebCTRL program. Troubleshoots tools such as Wireshark and its usage in BACnet discovery. Possess a basic knowledge of Automated Logic clippings and their usage.

Uses broad, practical and precise knowledge of electronic principles and practices to perform a complete range of electronic mechanical work relative to testing, troubleshooting, repairing, adjusting, aligning and calibration of complex DDC system components. Performs operational tests of newly installed electronic assemblies and major components. Performs tests to identify complex integrated circuitry malfunctions and repair the interface of components in relation to operational performance requirements.

Verifies and proof tests equipment being used to determine if such equipment and/or procedures are within acceptable tolerances. Independently or as a team member, installs, overhauls, repairs, modifies and performs operational checks and built-in tests on a variety building application systems, sub-systems and related electrical, electronic, mechanical and hydraulic components. Troubleshoots, isolates and corrects malfunctions, using system test sets and diagnostic equipment.

Utilizes a knowledge of Building Automation Systems (BAS) to diagnose and coordinate repairs with EMCS, where necessary and to repair DDC and improve operating efficiency. Acknowledges and investigates error alarms to maintain system integrity. Isolates problems and determines nature and scope of repairs and replacements required by making voltage, frequency calculations, tracing circuits and relationships in the signal flow through the use of schematics and applicable drawings.

HVAC Operation and Performance Possess a broad understanding of control strategies for chill water distribution systems. Understands and implements reset control strategies and 100% outside air control strategies for improved HVAC system performance. Develops heating, ventilation and air conditioning (HVAC) operational schedules using Automated Logic WebCTRL system.

Understands and implements feedforward and feedback control loops, how they differ and their purpose in control strategies. Troubleshoots HVAC operational issues using Automated Logic WebCTRL's alarms, trends and reporting features. Uses diagnostic fault tools for advanced troubleshooting of operational issues.

In the absence of established documentation determines the method and technique necessary to perform electronic tests. Performs operational checks of advanced electronic assemblies in accordance with vendor procedures. 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, outside air and automatic and bypass volume dampers. Checks systems for suitable running cycles, refrigerant and oil leakages, motor and compressor temperatures, belt adjustment, set points, cleanliness, operations and superheat rotation and heating protection.

Tests and aligns and final adjustments to meet calibration standards using a variety of sophisticated commercial test equipment such as electronic counters, digital multi-meters, oscilloscopes, card readers, controllers (computers), etc.

Conditions of Employment

β€œTo 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.” 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.

Education

There is no educational requirement for the position.

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 job elements 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 job elements and competencies: -- Ability to do the work of the position without more than normal supervision -- Assembly, Installation and Repair -- Use of Test Equipment -- Electronic Equipment Experience -- Troubleshooting 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 non-selection or disqualification from further consideration. Please note that a complete application is required for consideration. (Please review the β€œRequired Documents” section of this job announcement to see what must be included in a complete application).

You may preview questions for this vacancy.

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 http://www.opm.gov/veterans/html/vetguide.asp#6. 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 http://www.dhs.gov/files/programs/gc_1185221678150.shtm 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.

How to Apply

You MUST apply online. FORMS RECEIVED BY FAX, EMAIL OR U.S. POSTAL SERVICE DELIVERY WILL NOT BE ACCEPTED. If you are a new user to the USAJOBS Site and have never registered for an account; you will first need to create an account profile with your basic contact information and a resume to begin applying.

You must be a registered USAJOBS user AND you must be signed-in to your account in order to apply for this position. For help with setting up an account or for general assistance in using USAJOBS, go to USAJOBS Help Page. NEED HELP? If you experience any difficulties with the application site, help is available! If you have problems completing your on-line application, contact the Monster Hiring Management Help Desk at 1-866-656-6831 or by e-mail at [email protected]. The help desk is available Monday - Friday 7:00 a.m. to 7:00 p.m. Eastern Time.

You may call and leave a voice mail message at all other times. All required supporting documents will be collected electronically via the USAJOBS β€œSaved Documents” feature. If you are unable to apply on-line, you may visit our Employment Center for technical assistance in entering your application. The Employment Center is located at 441 Second & D Streets S.W., Washington, D.C., Room H2-178, and is open Monday through Friday from 8:00 a.m. to 4:00 p.m.

You may call (202) 226-7000 for directions.

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 , 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.

Frequently Asked Questions

What is the salary for the HVAC Electronics Mechanic (DDC) position at Architect of the Capitol?
The salary range for this position is $38 - $45/hr. This is a WG-12 position on the General Schedule pay scale. Actual pay may vary based on locality adjustments.
Where is the HVAC Electronics Mechanic (DDC) job located?
This position is located in Washington, District of Columbia. This is an on-site position.
What qualifications do I need?
There is no educational requirement for the position.
How do I apply for this position?
Apply through USAJobs.gov by clicking the 'Apply on USAJobs' button. You'll need a USAJobs account, a federal-style resume, and supporting documents. The deadline is Jun 24, 2026.
Is a security clearance required?
No security clearance is required for this position.
What benefits do federal employees receive?
Federal employees receive comprehensive benefits including health insurance (FEHB), retirement through FERS, Thrift Savings Plan (TSP) with government matching, paid annual and sick leave, paid parental leave, life insurance, and student loan repayment programs.