HEATING VENTILATION AIR CONDITIONING MECHANIC

Summary

Click on "Learn more about this agency" button below to view Eligibilities being considered and other IMPORTANT information. The primary purpose of this position is to install, maintain, repair, and modify large/complex Heating/Cooling systems (includes heating boilers, single fuel power boilers, steam heating boilers systems), ventilation, air conditioning and refrigeration (HVAC/R) systems including: computer room/equipment air conditioning, humidifying, dehumidifying, air cleaning, filtering

Duties

- Troubleshoots a variety of HVAC/R systems to include large commercial, industrial refrigeration, air conditioning systems and supporting equipment with complex problems and extensive repairs requiring judgment to locate malfunctions. - Installs, repairs, and maintains large commercial and industrial ventilation, nfrigeration, air conditioning (AC), and cooling systems with complex problems and extensive repairs. Installs, modifies, overhauls, repairs, and maintains a variety of complex heating boilers and/or heating systems, single and multiple fuel power boilers, Steam heating boiler systems and associated auxiliary and pollution control equipment. - Plans, lays out and installs a variety of large complex commercial and industrial systems and supporting equipment used to condition air in warehouses, shops, hangars, and large office buildings from electrical/electronic wiring diagrams, schematics, technical orders, blueprints, drawings, electrical/plumbing codes, and work orders. - Performs essential and incidental electrical work to the m maintenance and operation of HVAC/R and Direct Digital Control (DDC) systems. Performs preventive maintenance on HVACR systems and electronic control systems to include disassembly, cleaning, reassembly and assist with calibration. -Installs, modifies, overhauls, repairs, and maintains a variety of complex air compressor systems for low and high pressure applications, and associated drying equipment. Utilizes safety practices and procedures following established safety rules and regulations and maintains a safe and clean work environment.

Qualifications

In order to qualify, you must meet the quality level of experience requirements described in the Office of Personnel Management (OPM) Qualification Standards Handbook X-118C. QUALIFICATIONS: Applicants will be rated in accordance with the OPM Qualification Standard Handbook X-118C for the WG-5300 Industrial Equipment Maintenance Family. Although a specific length of time and experience is not required for most blue-collar positions, you must meet any screen-out element listed, and show through experience and training that you possess the quality level of knowledge and skill necessary to perform the duties of the position at the level for which you are applying. Qualification requirements emphasis is on the quality of experience, not necessarily the length of time. The screen out element for this position is ability to do the work of a WG-5301 HEATING VENTILATION AIR CONDITIONING MECHANIC without more than normal supervision JOB ELEMENTS: Your qualifications will be evaluated on the basis of your level of knowledge, skills, abilities and/or competencies in the following areas: 1. Knowledge ofthe principles and theories of air conditioning and refrigeration and properties of refrigerants to understand thc construction and operation Of a variety Of large industrial and commercial refrigeration and A/C Systems. Also have the ability to test, troubleshoot, calibrate Or repair HVAC electric, electronic and direct digital controls (DDC) systems. 2. Knowledge of mechanical and electromechanical principles to inspect, install, test, maintain, and repair power heating systems and associated auxiliary equipment which use natural gas or liquid propane for steam or hot water production and distribution. 3. Knowledge of environmental, safety and security regulations, practices, and procedures; and regulations, procedures, and policies related to records maintenance and documentation. 4. Skill in the use of measuring instruments such as gauges, multimeters, recorders, analogielectronic displays and computer generated data to determine operational Status and make necessary adjustments. Skill in dismantling, repairing, and reassembling pumps, impellers, compressors, chillers, receivers, and evaporators to include balancing, aligning, and maintaining turbines, pumps, generators; troubleshooting complex problems on large projects; and applying prescribed test procedures. 5. Skill in using hand tools, portable power tools, and a wide variety of test equipment including special tools, such as electronic manifold gauges, acetylene torch, ammeters, electronic leak detectors, vacuum pump, flow hood and hydronic manometer. 6. Ability to read and interpret instructions, blueprints, schematics, building diagrams, and manufacturer technical manuals to maintain difficult balances of a variety of HVAC'R controls, consisting of electrical, electronic and direct digital controls (DDC) systems. Physical Effort The employee lifts, carries, and handles equipment up to 50 pounds unassisted and over 50 pounds With assistance. Works from ladders, scaffolding platforms, or where equipment, parts, or tools are hard to reach, Work requires frequent stooping, stretching, bending, kneeling, and working in tiring, uncomfortable positions for long periods. In addition, work involves frequent movement and maneuvering Of large, heavy equipment using hoists, holders, and pulleys as required. Working Conditions The employee works indoors and outdoors, on elevated structures, and in cramped areas. Subject to discomfort from face masks or other protective devices when there is a possibility of exposure to chemicals, heat, steam, noise, noxious gases, fumes, or acids. Occasionally works outside, on top of buildings, in drafty attic spaces, and in cramped areas with low overheads. Subject to possible burns, electrical shocks, cuts, strains, bruises, and chemical irritations. To reduce dangers from these and other similar conditions, follows prescribed safety practices and use safety equipment such as safety glasses, hard-toe shoes, respirators, hard hats, and fire retardant gloves. PART-TIME OR UNPAID EXPERIENCE: Credit will be given for appropriate unpaid and or part-time work. You must clearly identify the duties and responsibilities in each position held and the total number of hours per week. VOLUNTEER WORK EXPERIENCE: Refers to paid and unpaid experience, including volunteer work done through National Service Programs (i.e., Peace Corps, AmeriCorps) and other organizations (e.g., professional; philanthropic; religious; spiritual; community; student and social). Volunteer work helps build critical competencies, knowledge and skills that can provide valuable training and experience that translates directly to paid employment.You will receive credit for all qualifying experience, including volunteer experience.

Evaluations

Your application package (resume, supporting documents, and responses to the questionnaire) will be used to determine your eligibility, qualifications, and quality ranking for this position. Please follow all instructions carefully. Errors or omissions may affect your rating or consideration for employment. BASIS OF RATING: Your application will be rated under the Cut Point procedures based on the extent to which the quality, depth, and complexity of your experience relates to the qualification requirements. Additional points are not added for Veteran's Preference; however, Veteran's Preference is considered where applicable. Best Qualified Group: Candidates in this category possess exceptional skills and experience to exceed well above the minimum requirements. Fully Qualified Group: Candidates in this category possess good skills and experience above the minimum requirements. Basically Qualified Group: Candidates in this category meet the minimum experience requirements. The resume/documents you submit must support your responses to the online questionnaire. If your application contradicts or does not support your questionnaire responses, you will receive a rating of "not qualified" or "insufficient information" and you will not receive further consideration for this job. Applicants who disqualify themselves will not be evaluated further. APPRAISALS/AWARDS: Hiring Managers use objective methods and consider previous performance appraisals and awards in the selection process. Current Federal Civilian employees should list any relevant performance related rating and/or awards in your resume.

How to apply The complete Application Package must be submitted by 11:59 PM (ET) on 10/15/2026 To preview the Application Questionnaire, please click the following link: https://apply.usastaffing.gov/ViewQuestionnaire/13085874 To begin the process, click the Apply Online button to create an account or log in to your existing USAJOBS account. Follow the prompts to complete the application questionnaire. Please ensure you click the Submit My Application button at the end of the process. To apply for this position, you must provide a complete Application Package which includes: 1. Your Resume. If you submit more than one resume, only the most recent will be reviewed. The "most recent" is considered the resume with the latest timestamp. Resumes may not exceed two pages. The two-page resume ensures the most relevant experience is reviewed and considered, which is a common practice in both the public and private sectors. Resumes exceeding two pages will be removed from consideration. Additional information on how to complete or update your resume may be located here. For qualification determination your resume must contain hours worked per week and dates of employment (i.e., month/year to month/year or month/year to present). If your resume does not contain this information, your application may be marked as insufficient, and you will not receive consideration for this position. If you are a current Federal employee or previous Federal employee, provide your pay plan, series and grade, i.e. GS-0301-09. Current Federal Civilian Employees may list any relevant performance related rating (given within the last three years) and/or incentive awards in your resume. Do NOT include photographs, inappropriate material, inappropriate content, nor personal information such as age, gender, religion, social security number, etc., on your resume. If the resume you submit contains such information you will not be considered for this vacancy. Your name, first and last, MUST be included on your resume. 2. A complete Application Questionnaire 3. Additional Required Documents (see Required Documents section). Ensure all submitted documents contain your full name. 4. Help recruiters find you. Make your resume and profile searchable, which means recruiters may contact you about possible jobs. Additional information may be located here. PLEASE NOTE: It is the applicant's responsibility to verify that information entered and/or uploaded, (i.e., resume) is received, accurate, and submitted by the closing date. You may verify your documents have been processed with your application package successfully. You can access your USAJOBS account to do so by clicking here. Uploaded documents may take up to one hour to clear the virus scan. Human Resources WILL NOT modify or change any answers submitted by an applicant.

Other information Interagency Career Transition Assistance Program (ICTAP): For information on how to apply as an ICTAP eligible click here. To be well-qualified and exercise selection priority for this vacancy, displaced Federal employees must be rated well qualified or above for this position. You must submit a copy of the agency notice, your most recent performance rating, and your most recent SF-50 noting position, grade level, and duty location. Employed Annuitants (Reemployed Annuitants): Applicants in receipt of an annuity based on civilian employment in the Federal Service are subject to the DoD Policy on The Employment of Annuitants. Click here for more information. 120-Day Register: This announcement may result in a 120-day register that may be used to fill like vacancies for 120 days after the closing date. Applicants may be referred for consideration as vacancies occur. Military Spouse Preference (MSP) Eligible: MSP applicants, if determined best qualified, must be selected, and placed at the highest grade for which they applied. You must include a completed copy of the DD Form 3145-4, Military Spouse PPP Self-Certification Checklist dated within 30 days along with the documents identified on the checklist to verify your eligibility for MSP. Click here to obtain/download a copy of the DD Form 3145-4, Military Spouse PPP Self-Certification Checklist. Priority Placement Program (PPP) Applicant Eligible: PPP Applicants, if determined well qualified and selected, will be placed at the at the full performance level. You must include the applicable completed copy of the PPP Self-Certification Checklist dated within 30 days along with the documents identified on the checklist to verify your eligibility as a PPP Applicant. Click here to obtain/download a copy of the applicable PPP Self-Certification Checklist (DD3145-1 through DD3145-4, select the appropriate checklist for your claimed preference). To determine the applicable PPP Self-Certification Checklist required to substantiate the eligibilities you are claiming, refer to the AF Civilian Employment Eligibility Guide located in the Required Documents section of this vacancy announcement. Disabled veteran leave is available to a Federal employee hired on/after 5 Nov 2016, who is a veteran with a service-connected disability rating of 30% or more. For more information, click here. If you have questions regarding this announcement and have hearing or speech difficulties click here.