Air Conditioning Equipment Mechanic Helper

Clarification from the agency

US Citizens and Nationals; no prior Federal experience is required.

• Works with Air Conditioning Equipment Mechanics in installing, operating, maintaining and repairing building heating, ventilation, and cooling systems, commercial and industrial air handling units, heat recovery units, and air terminal units.
• Works with Air Conditioning Equipment Mechanics in installing, operating, maintaining and repairing building refrigeration systems including environmental growth chambers, and all associated control systems.
• Performs repair and project work associated with other trades such as repairing plumbing and electrical systems.
• Understands and follows pertinent repair and maintenance manuals, drawings, and follows oral or written directions.
• Observes and adheres to safety and housekeeping rules, assures proper use of personal protective equipment and tools such as metering and gauging devices.
• Uses centralized computer management software to accurately maintain records such as documenting or recording equipment numbers, time, materials, and work performed as required for preventative maintenance, planned maintenance, etc.
• Applies guidelines and follows biosafety procedures established for up to BSL-4 containment facility to unique situations that arise within the biological containment facility.

Conditions of employment

• 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 https://www.e-verify.gov/

Qualifications

In order to qualify for this position you must meet the following by the closing date of the vacancy announcement:
07/15/2026 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 person rating 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, Air Conditioning Equipment Mechanic Helper without more than normal supervision (Screen Out)). Applicants who do not meet the SCREEN OUT ELEMENT will not be given further consideration.

Working Conditions:
Incumbent is exposed to varying abnormal temperatures and conditions, both indoors and outside buildings. The incumbent works in areas where equipment is in continual operation, and noise levels are abnormal and odors prevail. The incumbent is subject to infection, mechanical injury, gas, cuts, bruises, fumes, dirt and grease. Work requires changes to clothing provided by NBAF while at work duty station. Work may require to showering prior to reporting to duty station in accordance with entrance/exit safety protocols for specific areas of the center. The incumbent must use safety equipment including hard hat, gloves, safety glasses, lock out tag out (LOTO), arc flash clothes and other protective items. The incumbent must wear a full face respirator when working in biological control areas; and restrictions of facial hair may be imposed for proper use of personal protective equipment. Discomfort may occur when wearing protective clothing, gloves, and eye goggles.

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.

Physical Effort:
The work requires performing duties in utility spaces, on ladders, scaffolding, platforms and other hard-to-reach places. This involves walking, standing, stooping, bending, kneeling, climbing and working in tiring and uncomfortable positions for long period of time. Work requires close hand and eye coordination. The incumbent frequently lifts 75 pounds with proper support or move with assistance, heavy objects weighing more than 75 pounds.

Other Considerations:
For the health and safety of the incumbent and to prevent the spread of disease, immunization against diseases being studied which are transmissible to humans may be required.

• Motor Vehicle or Commercial Driver's License Required.
• Drug Test Required.
• Vaccine(s) Required.
• Special Physical Requirements/Demands.
• SAC and full background investigation required for positions working with BSL-3 (or higher) agents, or in BSL-3/BSL-4 facilities.
• Department of Justice (DOJ) Security Risk Assessment (SRA) approval is required.
• National Agency Check with Inquiries (NACI) clearance is required.
• Immunizations may be required.
• Respirator fitting and certification is required.

The mission of NBAF includes research, diagnosis and training for animal diseases foreign to the U.S. for the purpose of protecting American agriculture and domestic food sources from their potentially devastating effects. NBAF is vital to successfully protecting U.S. agriculture from the intentional or non-intentional introduction of foreign animal diseases such as Foot-and-Mouth disease. The position supports the biocontainment facilities and may require entry into biosafety level (BSL) 3, 3 enhanced, 3 Ag and BSL-4 labs. The incumbent must demonstrate the physical and psychological capability to conduct normal duties that are appropriate to their position. To prevent the transmission of disease out of biocontainment and retention of the position, the incumbent must meet the following medical standards in a pre-employment medical examination conducted after the receipt of a preliminary job offer and on a periodic basis:

• Ability to shower out of biocontainment one or more times per day;
• Not have any skin condition which would prevent this;
• Body piercings must be able to be removed prior to entry;
• External medical assist devices must have the ability to be removed prior to entering or not impede the ability to enter biocontainment, and the individual must still be able to shower out safely without assistance;
• Ability to follow instructions regarding decontamination from biocontainment;
• Any medical condition which could create an unsafe environment for the individual or his/her co-workers, such as: insufficient control of a medical disorder which could result in sudden loss of consciousness; and inadequate vision and hearing required for safety in a laboratory environment.

Medical confidentiality will be maintained by the examining physician and only fitness (or unfit) for duty determination will be indicated. The incumbent will also be required to pass periodic fitness for duty physicals. In addition, a medical clearance will be required in the event that it becomes necessary to enter an area where an air purifying respirator or other respiratory protection is required.

A baseline blood sample may be required for employees entering and working in the biocontainment facilities. For the health and safety of the incumbent and to prevent the spread of disease, immunization against diseases being studied at NBAF which are transmissible to humans may be required where the vaccine has been approved by the Food and Drug Administration for safety and effectiveness under the provision of the Federal Food, Drug and Cosmetic Act, as amended 21 USC 321-392. Where the vaccine has been approved by the Food and Drug Administration for investigational purposes, the incumbent will be advised that such immunization is voluntary.

Due to the contagious nature to livestock of Foot-and-Mouth disease, and other diseases under study at NBAF, Biological Safety Regulations specify a personal quarantine for employees working in BSL-3, 3 enhanced, 3 Ag and 4 biocontainment. As a condition for employment, all personnel entering the BSL-3 or higher biocontainment facilities at NBAF shall not be in contact with specific susceptible animals and their premises away from NBAF for a period of five (5) days after leaving bio-containment. Currently, restricted species are cattle, sheep, goats, deer, other ruminants, and swine. Contact with horses, birds (agricultural and pet birds) and rabbits are normally permitted, but restrictions may be placed on staff working with or near contagious agents affecting these species. Restricted livestock or other restricted animals may not be housed on the premises where the employee lives and where quarantine cannot be enforced. Employees who violate this requirement may be removed from employment or subject to other disciplinary action. Additionally, an approved SRA investigation is required for access to select agent registered spaces.

How you will be evaluated

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

Applications will be evaluated in accordance with Office of Personnel Management's (OPM) Delegated Examining Procedures and USDA policy using category rating. Applicants who meet basic minimum qualifications will be placed in one of three categories: Best Qualified, Well Qualified, or Qualified. Within these categories, applicants eligible for veteran's preference will receive selection priority over non-veterans. Category placement will be determined based on applicants' quality of experience and the extent they possess the following knowledge, skills, and abilities (KSA) or competencies:

• Ability To Do The Work Of The Position Without More Than Normal Supervision
• Ability To Interpret Instructions, Specification, etc. (includes blueprinting reading)
• Ability To Use and Maintain Tools and Equipment
• Knowledge of Equipment Assembly Installation, Repair, etc.
• Knowledge of Materials
• Technical Practices (theoretical, precise, artistic)
• Trouble shooting

Your application, including the online Assessment Questionnaire, will be reviewed to determine if you meet (a) minimum qualification requirements and (b) the resume supports the answers provided to the job-specific questions. Your resume must clearly support your responses to all the questions addressing experience and education relevant to this position. Those determined to be in the best qualified category will be referred to the selecting official for consideration.

Note: If, after reviewing your resume and/or supporting documentation, a determination is made that you have inflated your qualifications and or experience, your score may be adjusted to more accurately reflect your abilities, or you may be found ineligible. Please follow all instructions carefully. Errors or omissions may affect your rating. Providing inaccurate information on Federal documents could be grounds for non-selection or disciplinary action up to including removal from the Federal service.

Clicking the link below will present a preview of the application form; i.e. the online questionnaire. The application form link below will only provide a preview and does not initiate the application process. To initiate the online application process, click the "Apply" button to the right.

To view the application form, visit:https://apply.usastaffing.gov/ViewQuestionnaire/12996379

The following documents are required for your applicant package to be complete. Our office cannot be responsible for incompatible software, your system failure, etc. Encrypted documents will not be accepted. Failure to submit required, legible documents may result in loss of consideration.

• Resume that includes: Personal Information: name, address, contact information; Education; Work Experience related to this position as described in the major duties including work schedule, hours worked per week, dates of employment; title, series, grade (if applicable); other qualifications. Resume cannot exceed 2 pages.
• If education is required or you are using education to qualify, you must submit a copy of your college transcripts. An unofficial copy is sufficient with the application if it includes your name and the necessary course information; however, if you are selected, you will be required to submit official transcripts prior to entering on duty. Education must have been successfully obtained from an accredited school, college or university. If any education was completed at a foreign institute, you must submit with your application evidence that the institute was appropriately accredited by an accrediting body recognized by the U.S. Department of Education as equivalent to U.S. education standards. There are private organizations that specialize in this evaluation and a fee is normally associated with this service. For a list of private organizations that evaluate education, visit the NACES website. All transcripts must be in English or include an English translation.
• If claiming veteran's preference, you must submit a DD214, Certificate of Release from Active Duty, which shows dates of service and discharge under honorable conditions.If currently on active duty you must submit a certification of expected discharge or release from active duty service under honorable conditions not later than 120 days after the date the certification is submitted.Veteran's preference must be verified prior to appointment.Without this documentation, you will not receive veteran's preference and your application will be evaluated based on the material(s) submitted.
• If claiming 10-point veteran's preference you must provide the DD214 or certification requirements (see above bullet), plus the proof of entitlement of this preference as listed on the SF-15 Application for 10-point Veterans' Preference. The SF-15 should be included but is not required. Failure to submit these documents could result in the determination that there is insufficient documentation to support your claim for 10-point preference. For more information on veterans' preference visit FEDSHIREVETS
• Surplus or displaced employees eligible for CTAP, RPL, or ICTAP priority must provide: proof of eligibility (RIF separation notice, notice of proposed removal for declining a transfer of function or directed reassignment to another commuting area, notice of disability annuity termination), SF-50 documenting separation (as applicable), and your most recent SF-50 noting position, grade level, and duty location with your application per 5 CFR 330.

Next steps