Maintenance Mechanic (HVAC)

• Maintain repair and provide preventative maintenance for a variety of HVAC equipment.
• Operate maintain and perform complex repairs on equipment such as chillers centrifugal pumps cooling towers and heat exchangers.
• Operate maintain and repair air compressors fire pumps domestic water booster pumps water softeners and associate pumps valves and actuators.
• Repair and maintain refrigeration tubing valves and fittings by welding brazing soldering and flaring; adjust or replaces belts bearings pulleys and cleans and lubricates equipment.
• Perform various checks tests adjustments and troubleshooting tasks to determine the need for repair and operational work of heating equipment and boilers.

• You must be a US Citizen or US National.
• Males born after 12/31/1959 must be Selective Service registered or exempt.
• Subject to satisfactory adjudication of background investigation and/or fingerprint check.
• Successful completion of one-year probationary period unless previously served. Refer to the Next Steps section for more information.
• Direct Deposit Per Public Law 104-134 all Federal employees are required to have federal payments made by direct deposit to their financial institution.
• Successfully pass the E-Verify employment verification check. To learn more about E-Verify including your rights and responsibilities visit E-Verify at License Required.
• Pre-Employment Physical Required.
• The ability to obtain/maintain a favorable adjudicated Tier 3 background investigation.
• The ability to obtain/maintain a favorable adjudication from a Security Risk Assessment (SRA) from the federal Select Agent Program.
• Vaccine(s) Required.
• Respirator Fitting and Certification is Required.
• The ability to obtain/maintain prevention certification and asbestos certification.

In order to qualify for this position you must meet the following by the closing date of the vacancy announcement: 08/31/2026

Qualifications will be determined under the Job Element Rating System X-118C Qualifications Standard Handbook. While a specific length of time and experience is not required for most Wage Grade positions you must show through experience and training that you possess the best qualified level of knowledge and skill necessary to perform the duties of this position. Qualification requirements emphasize the quality of experience not necessarily the length. The responses to the questionnaire and your resume should be in significant detail to provide the personal rating of your application with a good understanding of your ability to do the job technical knowledge work and training experience etc. (For example You must have the ability to perform the duties of a Maintenance Mechanic (HVAC) without more than normal supervision (Screen Out)). Applicants who do not meet the SCREEN OUT ELEMENT will not be given further consideration.

Physical Effort:
The incumbent makes repairs and installations on benches supports from ladders scaffolding roof on catwalks in modules manholes ditches around fixtures and piping which requires continuous standing stooping bending limbing kneeling working overhead in stretched cramped and awkward positions. This also includes holding welding torch and rod suspended for short intermittent periods of time and arm strain when required to weld in awkward positions. The work involves frequent lifting carrying and setting up parts and equipment that weighs up to or over 40-50 pounds using weight bearing support.

Working Conditions:
Work is performed both inside and outside and the incumbent is required to make repairs and installations in bad weather; in work areas that are noisy dirty dusty and greasy; and in close quarters. The incumbent is subject to fumes from welding soldering and sparks gases and toxic fumes; to injury and continuous exposure to hazards of cuts bruises noise vibrations burns dust and danger from flying chips when using powered and hand tools and to falls when working on ladders and scaffolds.

Clothing changes are provided by the Location while at duty station.

The incumbent is required to wear safety equipment such as but not limited to coveralls ear plugs safety glasses hard hat gloves and safety shoes. The incumbent works with and around hazardous chemicals while cleaning and repairing tanks sewers and plumbing fixtures.

Showers will be required prior to reporting to duty station in accordance with entrance/exit safety protocols for specific areas of the Location.

The incumbent is required to attend all training assigned for the safe use storage and disposal of hazardous chemicals and be able and willing to understand and execute all safety precautions when working with hazardous chemicals.

The incumbent is required to frequently wear personal protective equipment (PPE) such as masks or respirators eye and ear protection boots gloves and coveralls when working in any of the laboratories. PPE provides necessary protection against biological and chemical hazards but may increase the risk of accidents due to decreased vision hampered communication limited mobility and dexterity. Physical well-being may be compromised by the prolonged usage of the PPE may lead to labored respiration heat stress and dehydration.

Restrictions of facial hair is imposed for proper use of personal protective equipment.

The health status of personnel is monitored periodically using biologic and serologic tests and physical examinations.

Restrictions against contact with birds and livestock outside the laboratory may apply after entering high security animal facilities that are working with disease agents foreign to the United States.

This is an essential position that must report during times of emergency or inclement weather; and will be required to work on weekends nights days evenings holidays and/or after hours for shift work requirements and when necessary during emergencies critical periods or during times when the government is closed due to inclement weather to cover for staffing needs to support mission requirements contractor support scheduled outages and normal operations.

Experience refers to paid and unpaid experience including volunteer work done through National Service programs (e.g. Peace Corps AmeriCorps) and other organizations (e.g. professional; philanthropic; religious; spiritual; community student social). Volunteer work helps build critical competencies and can provide valuable training and experience that translates directly to paid employment. You will receive credit for all qualifying experience including volunteer experience.