Carderock Springs, Maryland
Aug 23, 2019
Aug 27, 2019
Full Time



This announcement has been amended as follows: No Relocation Authorized. Recruitment incentives may or may not be authorized to eligible new hires.
Applicants who applied to the announcement before it was amended should reapply and address the updated information if necessary. The closing date has been extended to: 26-AUG-2019
Learn more about this agency


  • You will develop preventive maintenance schedules to keep air conditioning equipment running at peak performance.
  • You will follow design specifications to install or repair air conditioning systems.
  • You will interpret drawings, manufacturer manuals, or work instructions to determine parts or equipment needed to repair air conditioning systems.
  • You will read blueprints, sketches, and technical manuals to understand the functions of the air conditioning parts or systems, to plan and lay out work, or to aid in finding faulty parts or systems.
  • You will inspect commercial and industrial refrigeration and air conditioning equipment for condition and operation.
  • You will inspect heating, ventilation, air conditioning and refrigeration equipment to verify the equipment and component parts are maintained in a safe and serviceable condition.
  • You will use diagnostic equipment to verify refrigeration, air conditioning, and ventilation control systems are operating correctly.
  • You will use gauges, voltmeters, amp meters, leak detectors, and recharge systems to check operation of equipment.
  • You will calibrate and balance water flow for heating, ventilation, and air conditioning (HVAC) systems to obtain optimum heating and cooling performance.
  • You will disassemble, replace, and adjust thermostats, pressure stats, humistats, relays, switches, and other automatic control devices to verify working condition of air conditioning systems.
  • You will inspect operating efficiency of mechanical, electrical, and pneumatic components of industrial and commercial heating, ventilation, air conditioning and refrigeration systems.
  • You will repair damaged air conditioning components (e.g., diodes, circuit cards, rectifiers, relays, capacitors) to correct malfunctions.
  • You will charge heating, ventilation, and air conditioning (HVAC) refrigerant systems to maintain operating condition.
  • You will measure air conditioning system components using precise measuring instruments to troubleshoot malfunctioning systems.

Travel Required

Not required

Supervisory status

Promotion Potential


Conditions of Employment

  • Must be a US Citizen.
  • Must be determined suitable for federal employment.
  • Must participate in the direct deposit pay program.
  • New employees to the Department of the Navy will be required to successfully pass the E-Verify employment verification check. To learn more about E-Verify, including your rights and responsibilities, visit
  • This is a bargaining unit position.
  • You will be required to obtain and maintain a current valid United States driver?s license.
  • You will be required to obtain and maintain a current Universal EPA Certification (includes completion of 608 cert exam).
  • You will be required to successfully complete a pre-appointment physical examination.
  • You will be required to obtain and maintain an interim and/or final security clearance prior to entrance on duty. Failure to obtain and maintain the required level of clearance may result in the withdrawal of a job offer or removal.
  • You will be required to wear personal protective equipment such as helmets, gloves, coveralls, glasses, goggles, respirators and safety shoes continuously for the duration of the work shift.
  • This position is subject to work an uncommon tour, including nights, weekends, and holidays to meet mission requirements. Overtime or night differential pay and/or unusual duty hours may be required.
  • This position requires rotating shift work.
  • Recruitment incentives may or may not be authorized to eligible new hires.


Although a specific length of time and experience is not required for most trade and labor occupations, you must 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 quality of experience, not necessarily the length of time.

Your qualifications will be evaluated on the basis of your level of knowledge, skills, abilities and/or competencies in the job elements and screen out listed below.

This job has a screen-out element which will be used to determine minimum eligibility for this job. Applicants who do not receive a minimum of two points on the screen-out element(s) will be found ineligible. The Screen-out Element for this position is: 1) Reads blueprints, drawings, sketches, and technical manuals to ensure compliance with regulations; 2) Assists in repairing and/or installing heating, ventilation, air conditioning systems and refrigeration equipment systems.

This position has a selective placement factor. Applicant must possess a Universal EPA Refrigerant Certification (includes completion of 608 cert exam) issued by the Environmental Protection Agency.

Applicants must meet the requirements of the Office of Personnel Management (OPM) Job Qualification Handbook for Trades and Labor Occupations. Additional qualification information can be found at:

Experience refers to paid and unpaid experience, including volunteer work done through National Service programs (e.g., professional, philanthropic, religious, spiritual, community, student, social). Volunteer work helps build critical competencies, knowledge, and skills and can provide valuable training and experience that translates directly to paid employment.


This job does not have an education qualification requirement.

Additional information

This position is covered by the Department of Defense Priority Placement Program.

Additional vacancies may be filled by this announcement.

A tentative offer of employment will be rescinded if the selectee fails to meet the pre-employment requirements, including failure to report to any of the scheduled appointments.

If you are unable to apply online and request information about the Alternate Application process, please contact the Department of Navy's Employment Information Center.

Federal annuitant information: The selection of an annuitant is subject to the Department of Defense and Department of the Navy policy on the employment of annuitants. Policy information may be found at:

ICTAP Applicants: To be considered well-qualified and exercise selection priority as an ICTAP candidate for this vacancy, displaced Federal employees must satisfy all qualification requirements for the position and receive a rating in the highly qualified category or higher. For more information about ICTAP eligibility please review the following link:

Physical Demands: Systems are large and heavy and require setting up motors, compressors, and associated equipment in place. The mechanic makes repairs and installations from ladders, scaffolding, and ground level; and stoop, stretch, bend, and kneel for long periods. The work requires frequent carrying and setting-up of parts and equipment weighing up to 40 pounds. Occasionally may lift items weighing over 50 pounds with assistance.

Working Conditions: The incumbent works both inside and outside, on top of buildings, in drafty attic spaces, and in cramped areas with low overheads. Personal protective equipment such as protective clothing, helmets, goggles, respirators, etc. may be required to be worn when there is a possibility if exposure to toxic refrigerants during regular maintenance and repair or when making emergency repairs. Working conditions are considered in the evaluation of the job and do not meet criteria for compensation by environment or hazard pay.

Additional Requirements/Information: Mechanic must be able to become CPR certified. Mechanic must be able to become certified in Confined Space Safety, Backflow Prevention, and Refrigerant Recovery. By law, all persons with access to a system or container that stores refrigerant, including A/C coolant such as R-22 or R-410A, must have Universal Certification received from an EPA approved certifying program. Certification card must be carried on person while in a duty status. The card shall be presented upon request. Any change in certification status, any Clean Air Act Section 608, 40 CFR 82 violations, EPA fines, or pending EPA investigations must be reported at once to the direct supervisor and department head. Decertification may be grounds for dismissal. Mechanic must possess the Environmental Protection Agency (EPA) 608 certification exam (Universal) as a pre-qualification for this wage grade.

How You Will Be Evaluated

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

In order to qualify for this position, your resume must provide sufficient experience and/or education, 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.

When the application process is complete, we will review your resume to ensure you meet the hiring eligibility and qualification requirements listed in this announcement. You will be rated based on the information provided in your resume and responses to the Occupational Questionnaire, along with your supporting documentation to determine your ability to demonstrate the following job elements:


You should list any relevant performance appraisals and incentive awards in your resume as that information may be taken into consideration during the selection process. If selected, you may be required to provide supporting documentation.

If after reviewing your resume and supporting documentation, a determination is made that you inflated your qualifications and/or experience, your score may be adjusted to more accurately reflect your abilities or you may be found ineligible/not qualified.

Please follow all instructions carefully. Errors or omissions may affect your rating or consideration for employment.

All eligibility, qualifications, and time-in-grade requirements must be met by the closing date of this announcement.

Background checks and security clearance

Security clearance

Drug test required

Required Documents

You are required to provide documentation that supports the eligibility and qualification claims made in your resume and assessment questionnaire. You must submit the applicable documents listed here and those listed with the eligibilities you select in the announcement questionnaire with your application package. Applicants who do not provide supporting documentation that fully support their claims will not be referred to the hiring manager. Cover letter is optional.

A complete resume is required. Your resume must show relevant experience, job title, duties and accomplishments. Your resume must show complete information for each job entry to support minimum qualifications. The following information should be provided in your resume, but it is acceptable to provide elsewhere in your application package: employer's name, starting and end dates (Mo/Yr), hours per week, and pay plan, series and grade level (e.g. GS-0201-09) for relevant federal experience.TIP: A good way to ensure you include all essential information is to use the Resume Builder in USAJOBS to create your resume.

Are you claiming membership in any professional organizations, or possession of a license, certificate or credentials? Check the Conditions of Employment section above to see if any are required. If you claim membership, license, certification, or credentials, you must submit a copy of said document in your application package.

Are you using education as a substitute for some or all of the experience requirement? Is there a basic education requirement for this position? Check the Education section above to see what is allowed and what is required. Any claims you make in your resume or assessment questionnaire regarding education or degrees must be supported by unofficial transcripts or a list of courses, grades earned, completion dates, and quarter and semester hours earned issued from your school. You may submit a copy your degree(s) if specific coursework does not have to be verified. Claims for approved "grandfather" clauses must be fully supported with documentation.

If you are selected, we will request official/sealed transcripts directly from the school(s). All education and degrees claimed by you in your application package will be verified before you can report for work.

Are you a veteran claiming 5-point veterans' preference or claiming sole survivorship preference? You must submit a copy of your latest DD-214 Certificate of Release or Discharge from Active Duty (any copy that shows all dates of service, as well as character of service [Honorable, General, etc.] is acceptable) OR a VA letter that shows dates of service or service connected disability AND character of service. If you have more than one DD-214 for multiple periods of active duty service, submit a copy for each period of service. If you were issued a DD-215 to amend aforementioned information on the DD-214 you must submit that too. If you are not sure of your preference eligibility, visit the Department of Labor's website: Veterans' Preference Advisor

Are you a disabled veteran or claiming 10-point veterans' preference?
If you are eligible to claim 10 point veterans preference you must submit a DD-214 Certificate of Release or Discharge from Active Duty as described above for 5-point preference.

You must also provide the applicable supporting documentation of your disability (e.g. disability letter from the VA) as described on Standard Form-15 (SF-15). .

Are you an active duty service member? Active Duty Service Members are required to submit a statement of service printed on command letterhead and signed by the command. The statement of service must provide the branch of service, rate/rank, all dates of service, the expected date of discharge and anticipated character of service (Honorable, General, etc.).

Documents submitted as part of the application package, to include supplemental documents, may be shared beyond the Human Resources Office. Some supplemental documents contain personal information such as SSN and DOB and some documents such as military orders and marriage certificates may contain personal information for someone other than you. You may sanitize these documents to remove said personal information before you submit your application. You must provide an un-sanitized version of the documents if you are selected.

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