As a Maintenance Mechanic you will perform plumbing, carpentry, installation, maintenance, repair, and modification of ventilation, air conditioning, and refrigeration (HVAC/R) equipment in support of NIH facilities in Montgomery County, MD and Hamilton, MT to include Bio-Safety (BSL) 3 & 4 labs. These state-of-the-art labs are designed to protect our researchers and staff. Be a part of a team that works to keep these labs operational.
As a Maintenance Mechanic you will perform plumbing, carpentry, installation, maintenance, repair, and modification of ventilation, air conditioning, and refrigeration (HVAC/R) equipment in support of NIH facilities in Montgomery County, MD and Hamilton, MT to include Bio-Safety (BSL) 3 & 4 labs. These state-of-the-art labs are designed to protect our researchers and staff. Be a part of a team that works to keep these labs operational.
Working as a Maintenance Mechanic with the Office of Research Facilities (ORF), you will:
Install, repair, and maintain large commercial and industrial ventilation, refrigeration, air conditioning (AC), and cooling systems with complex problems and extensive repairs.
Install, modify, overhaul, repair, replace, and maintain a variety of heating systems.
Perform preventive maintenance on HVAC/R systems and equipment.
Respond to service calls and preventive maintenance inspections orally or in writing through a computerized maintenance management system (CMMS) regarding malfunctioning/inoperable equipment, kitchen and domestic equipment (e.g., dishwashers, electric ranges, dryers); shop and laboratory equipment (e.g., vacuum pumps, air compressors, piping systems); and plumbing, utility, supply, and disposal system (e.g., steam, chilled water, domestic water, sanitary water natural gas, etc.)
Operate a van-type truck (weighing up to and including one-ton load capacity) to transport tools, materials equipment, and self to work site.
U.S. Citizenship requirement or proof of being a U.S. National must be met by closing date.
Employment is subject to the successful completion of a background investigation, verification of qualifications, completion of onboarding forms, submission of required documents, and any other job-related requirement before or after appointment.
Applicants must meet all qualification requirements by the closing date of this announcement.
Males born after December 31, 1959 must be registered with the Selective Service.
This position has physical requirements. You must be able to perform the essential duties of the position, with or without reasonable accommodation.
You must be able to lift and move heavy items weighing 100lbs. You must be able to stand for prolonged periods on concrete floors and walk over rough and uneven terrain.
You must be able to bend, stoop, walk, stand, and climb, and work in cramped positions. The selectee must be able to work outdoors under all weather conditions.
Applicants for this position must pass a pre-employment medical examination.
This position is Emergency Essential. Please see Additional Information section.
This position requires weekend hours, night shifts, regular or rotational shifts, holiday hours. This position has on-call or call-back requirements.
If selected, you will be covered by a bargaining unit (union).
The selectee must possess and maintain a valid state motor vehicle license.
If selected for a position that operates within high-containment facilities, specifically Biosafety Level (BSL) 3 and BSL 4 laboratories, the selectee will be subject to the NIH Biological Surety Program. See the additional information section.
You may work in hazardous environments or handle hazardous substances.
Qualifications
Applicants will be rated in accordance with the OPM Qualification Standard Handbook X-118C. 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 level of knowledge and skill necessary to perform the duties of the position.
The approved job elements for this occupation are listed as follows:
Ability to do the work of the position without more than normal supervision (Screen-out element).
Ability to interpret instructions, specifications, etc. (includes blueprint reading).
Ability to use and maintain tools and equipment.
Knowledge of materials.
Knowledge of equipment assembly, installation, repair, etc.
You will receive credit for all experience material to the position, including experience gained in religious, civic, welfare, service, and organizational activities, regardless of whether you received pay.
Do not copy and paste the duties or specialized experience from this announcement into your resume as that will not be considered a demonstration of your qualifications for this position.
We may verify or assess your qualifications at any time. Inflated or unsupported qualifications may affect your rating. Any misrepresentation or material omission of facts may be sufficient cause to end further consideration of your candidacy. Persons listed as knowing your past accomplishments or experience in your application may be contacted for verification purposes at any time. Verification may, but need not, begin before receiving an offer.
This job does not have an education qualification requirement.
Additional information
This position is designated as an "emergency essential" position and the selected candidate will be considered an "emergency essential" employee and will be required to be available, ready, willing, and able to report for duty under all circumstances (e.g., inclement weather, government closings and holidays, lapses in appropriations, non-emergency and emergency situations) for operation 24 hours a day and 365 days per year coverage.
This position may be assigned to work with, handle, receive, or store materials designated as Select Agents and Toxins by the Federal Select Agent Program, and is subject to the terms of the National Institutes of Health (NIH), Biological Surety Program (BSP).
The NIH BSP requires successful completion of the following:
Initial and annual medical qualification assessments held by the NIH Occupational Medical Services.
Initial and annual behavioral health screenings, including qualification assessments held by the NIH Behavioral Health Screening Official.
A deemed export review per 15CFR 734.8(c).
An annual Collective Foreign Threats Screening.
Initial and recurrent safety and biological safety training provided on the job.
This is a Tier 3 noncritical sensitive National Security position and an Access National Agency Check Inquiry (ANACI), background investigation is required.
Based on your appointment, a one or two-year trial/probationary period may be required. A decision regarding your continued employment with NIH will be made as you near the end of this period.
We may make additional selections for similar positions within the commuting area(s) of the locations listed through this vacancy announcement. By applying, you agree to have your application shared with any interested selecting official(s). Clearance of CTAP/ICTAP will be applied for similar positions.
The National Institutes of Health participates in the USCIS Electronic Employment Eligibility Verification Program (E-Verify). E-Verify helps employers determine the employment eligibility of new hires and the validity of their Social Security numbers.
The NIH maintains a tobacco-free work environment and campus.
Must be able to perform the essential duties of the position, with or without reasonable accommodation.
Visit our Help Applying page for helpful information on the application process.
If selected, you may be eligible to receive a salary above the minimum based on superior qualifications and/or a special need of the Government for your services. This applies to employees paid under the General Schedule (GS) and Federal Wage System (FWS) pay systems and is at the discretion of the hiring manager. A salary above the minimum must be approved before the appointment.
Candidates should be committed to improving the efficiency of the Federal government, passionate about the ideals of our American republic, and committed to upholding the rule of law and the United States Constitution.
You will be evaluated for this job based on how well you meet the qualifications above.
You will be evaluated based on how well you meet the qualifications listed in this vacancy announcement. Your qualifications will be evaluated based on your application materials (e.g., resume, supporting documents) and your score on the required assessments
You will be assessed on the following job elements:
Ability to do the work of the position without more than normal supervision (Screen-out element).
Ability to interpret instructions, specifications, etc. (includes blueprint reading).
Ability to use and maintain tools and equipment.
Knowledge of materials.
Knowledge of equipment assembly, installation, repair, etc.
If you meet the minimum qualifications for this position, your application and assessment scores will be evaluated under Category Rating and selection procedures for placement in one of the following categories:
Best Qualified - for those who are superior in the evaluation criteria
Well Qualified - for those who excel in the evaluation criteria
Qualified - for those who meet the minimum qualification requirements
The Category Rating Process does not add veterans' preference points but protects the rights of veterans by placing them ahead of non-preference eligibles within each category. Applicants determined to be Best Qualified will be referred for further consideration. Preference eligibles in the Best Qualified category are referred before all other applicants.
To be considered well qualified for the purposes of the Career Transition Assistance Program (CTAP)and the Interagency Career Transition Assistance Program (ICTAP), you must be able to satisfactorily perform the duties of the position upon entry and substantively exceed the basic qualifications by scoring at least 80 points on assessment(s), and meet all eligibility, physical, medical, suitability, and all other requirements.
RESUME:
Your resume must clearly demonstrate, in two pages or less, how your skills and experiences align with the "Qualifications" section and support your questionnaire responses. While cover letters provided with your application will be shared with hiring officials, they will not be used for initial qualification determinations. We cannot assume required experience based on your work or academic history. If your resume exceeds two pages, only the first two will be reviewed.
Use a legible font such as Lato, Calibri, Helvetica, or Arial, with 0.5-inch margins. Suggested formatting: 14-point for titles and 10-point for body text.
You may use the USAJOBS Resume Builder or upload your own resume. If uploading, ensure it includes all required information and is organized so we can match the following to each position:
Job title
Employer name
Employment dates (MM/DD/YYYY)
Hours worked per week (full-time assumed; part-time prorated)
Detailed duties, accomplishments, skills, responsibilities, and supervisory details (if applicable)
Series and grade or equivalent (for federal positions)
If the position has an education requirement or you are qualifying on the basis of education, you must list your education history including the type of degree and your major of study. If the position requires a certain number of credit hours, you are strongly encouraged to list the relevant courses in your resume.
Do not include a photograph or video of yourself, or any sensitive information (age, date of birth, marital status, protected health information, religious affiliation, social security number, etc.) on your resume or cover letter. We will not access web pages linked on your resume or cover letter to determine your qualifications.
ASSESSMENT(S):
You must complete any required assessment. Not providing the required information or participating in required assessments will result in a determination that you do not meet minimum requirements for the position (e.g., an ineligible rating).
REQUIRED DOCUMENTATION FOR PREFERENCE OR ELIGIBILITY CLAIMS
To claim veterans' preference, career transition selection priority, Schedule A or military spouse eligibility, you must provide the documentation listed below AND respond accordingly to the associated question on the online questionnaire.
Veterans' preference (DD-214, VA Disability Letter, etc.): Reference Standard Form 15 (SF-15) for required documentation for 10 point claims. Submission of SF-15 is not required, unless you are claiming derived preference (XP) as described in questions 7, 8, or 9 on the SF-15. In those cases, you must submit a completed SF-15 and the required documentation. For 5 point claims, you must submit your DD-214 (if separated) or any written documentation from the armed forces that certifies you are expected to be discharged or released from active duty service in the armed forces under honorable conditions not later than 120 days after the date the certification is submitted with your application package.
Schedule A Eligibility (Applicants with Disabilities) Applicants who are eligible to be considered under Schedule A must submit appropriate documentation to verify eligibility. Documentation must be obtained from a licensed medical professional (e.g., a physician or other medical professional certified by a state, the District of Columbia, or a U.S. territory to practice medicine); a licensed vocational rehabilitation specialist (i.e., state or private); or any Federal agency, state agency, or agency of the District of Columbia or a U.S. territory that issues or provides disability benefits. The letter must be printed on a medical professional's letterhead. Veterans' preference takes precedence in these appointments.
The Schedule A and military spouse hiring authorities do not guarantee employment or give an individual preference in the hiring process.
If you do not provide the required information, we will assume you are not eligible, or you do not wish to be considered for any preference or eligibility.
Do not submit documentation that is not requested of you. To protect your personal information, we will only send your resume and cover letter to the selecting official or hiring manager.
To apply for this position, please read and follow all instructions in this announcement, complete the online application, and submit the documentation specified in the "Required Documents" section. Your complete application package must be submitted by 11:59 PM Eastern Time (ET) on 06/17/2026 to receive consideration.
Please read the entire announcement and all the instructions before you begin an application. To apply and be considered for this position, you must complete and submit all required questionnaires, assessments, and required documentation as specified in the How to Apply and Required Documents sections. The complete application package must be submitted by 11:59 PM (ET) on the closing date of the announcement to receive consideration. The application process is as follows:
Click Apply Online button.
Follow the prompts to select your resume and/or other supporting documents to be included with your application package. See the "Required Documents" section for any additional forms and/or supplemental materials required.
Read all Eligibility questions and respond accordingly to any Eligibility you wish to claim. You will only be considered for those Eligibility questions (Veteran, Schedule A, etc.) you respond in the affirmative to, regardless of what documentation you submit. We cannot assume you intended to respond differently to a question based on other information in your application package.
Complete the application questionnaire. Applicants are asked all questions regardless of their consideration preferences. We will only consider you for the grades, series, locations, specialties, and other considerations that you self-identify as being qualified for or interested in. Preview application questionnaire before you apply: https://apply.usastaffing.gov/ViewQuestionnaire/12935655
Verify all required documentation is included in your application package, review your responses to the assessment questionnaire for accuracy, and then submit your application.
In addition to the required documents, we encourage you to submit a cover letter, copy of your transcripts, and any applicable certifications or licenses. Even though this information is not required at the time of application, we may request this information later.
We cannot assume responsibility or grant extensions for personal issues (e.g., troubles navigating the application process, loss of internet, not understanding a question) when applying to our announcements. For technical difficulties, contact HR Systems Support between 8:00 AM and 4:30 PM ET Monday through Friday at hrss@nih.gov.
If you need any other accommodation or assistance with applying, please contact NIH HR Service Desk Branch C at OHRCSDBRANCHCSRVDSK@od.nih.gov. Requests for reasonable accommodations must be made before the announcement closing date.
Visit our site for information on NIH's EEO program, Reasonable accommodation procedures, laws, policy statements, and the operation of the EEO complaint process.
National Institutes of Health
6701 Rockledge Drive
Bethesda, MD 20892
US
Next steps
Once you submit your application package, you will receive an acknowledgement email. You will be notified of the status of your applications via email. In addition, you can track the progress of your application package through your USAJOBS account.
At the discretion of the agency, you may be contacted via phone or email for an interview or to provide additional information up to several months from the closing date of the announcement. Please ensure you have provided accurate contact information. To remain in consideration, you must respond in a timely manner to our correspondence and requests for documentation or information throughout the hiring process.
The Federal hiring process is set up to be fair and transparent. Please read the following guidance.
RESUME:
Your resume must clearly demonstrate, in two pages or less, how your skills and experiences align with the "Qualifications" section and support your questionnaire responses. While cover letters provided with your application will be shared with hiring officials, they will not be used for initial qualification determinations. We cannot assume required experience based on your work or academic history. If your resume exceeds two pages, only the first two will be reviewed.
Use a legible font such as Lato, Calibri, Helvetica, or Arial, with 0.5-inch margins. Suggested formatting: 14-point for titles and 10-point for body text.
You may use the USAJOBS Resume Builder or upload your own resume. If uploading, ensure it includes all required information and is organized so we can match the following to each position:
Job title
Employer name
Employment dates (MM/DD/YYYY)
Hours worked per week (full-time assumed; part-time prorated)
Detailed duties, accomplishments, skills, responsibilities, and supervisory details (if applicable)
Series and grade or equivalent (for federal positions)
If the position has an education requirement or you are qualifying on the basis of education, you must list your education history including the type of degree and your major of study. If the position requires a certain number of credit hours, you are strongly encouraged to list the relevant courses in your resume.
Do not include a photograph or video of yourself, or any sensitive information (age, date of birth, marital status, protected health information, religious affiliation, social security number, etc.) on your resume or cover letter. We will not access web pages linked on your resume or cover letter to determine your qualifications.
ASSESSMENT(S):
You must complete any required assessment. Not providing the required information or participating in required assessments will result in a determination that you do not meet minimum requirements for the position (e.g., an ineligible rating).
REQUIRED DOCUMENTATION FOR PREFERENCE OR ELIGIBILITY CLAIMS
To claim veterans' preference, career transition selection priority, Schedule A or military spouse eligibility, you must provide the documentation listed below AND respond accordingly to the associated question on the online questionnaire.
Veterans' preference (DD-214, VA Disability Letter, etc.): Reference Standard Form 15 (SF-15) for required documentation for 10 point claims. Submission of SF-15 is not required, unless you are claiming derived preference (XP) as described in questions 7, 8, or 9 on the SF-15. In those cases, you must submit a completed SF-15 and the required documentation. For 5 point claims, you must submit your DD-214 (if separated) or any written documentation from the armed forces that certifies you are expected to be discharged or released from active duty service in the armed forces under honorable conditions not later than 120 days after the date the certification is submitted with your application package.
Schedule A Eligibility (Applicants with Disabilities) Applicants who are eligible to be considered under Schedule A must submit appropriate documentation to verify eligibility. Documentation must be obtained from a licensed medical professional (e.g., a physician or other medical professional certified by a state, the District of Columbia, or a U.S. territory to practice medicine); a licensed vocational rehabilitation specialist (i.e., state or private); or any Federal agency, state agency, or agency of the District of Columbia or a U.S. territory that issues or provides disability benefits. The letter must be printed on a medical professional's letterhead. Veterans' preference takes precedence in these appointments.
The Schedule A and military spouse hiring authorities do not guarantee employment or give an individual preference in the hiring process.
If you do not provide the required information, we will assume you are not eligible, or you do not wish to be considered for any preference or eligibility.
Do not submit documentation that is not requested of you. To protect your personal information, we will only send your resume and cover letter to the selecting official or hiring manager.
To apply for this position, please read and follow all instructions in this announcement, complete the online application, and submit the documentation specified in the "Required Documents" section. Your complete application package must be submitted by 11:59 PM Eastern Time (ET) on 06/17/2026 to receive consideration.
Please read the entire announcement and all the instructions before you begin an application. To apply and be considered for this position, you must complete and submit all required questionnaires, assessments, and required documentation as specified in the How to Apply and Required Documents sections. The complete application package must be submitted by 11:59 PM (ET) on the closing date of the announcement to receive consideration. The application process is as follows:
Click Apply Online button.
Follow the prompts to select your resume and/or other supporting documents to be included with your application package. See the "Required Documents" section for any additional forms and/or supplemental materials required.
Read all Eligibility questions and respond accordingly to any Eligibility you wish to claim. You will only be considered for those Eligibility questions (Veteran, Schedule A, etc.) you respond in the affirmative to, regardless of what documentation you submit. We cannot assume you intended to respond differently to a question based on other information in your application package.
Complete the application questionnaire. Applicants are asked all questions regardless of their consideration preferences. We will only consider you for the grades, series, locations, specialties, and other considerations that you self-identify as being qualified for or interested in. Preview application questionnaire before you apply: https://apply.usastaffing.gov/ViewQuestionnaire/12935655
Verify all required documentation is included in your application package, review your responses to the assessment questionnaire for accuracy, and then submit your application.
In addition to the required documents, we encourage you to submit a cover letter, copy of your transcripts, and any applicable certifications or licenses. Even though this information is not required at the time of application, we may request this information later.
We cannot assume responsibility or grant extensions for personal issues (e.g., troubles navigating the application process, loss of internet, not understanding a question) when applying to our announcements. For technical difficulties, contact HR Systems Support between 8:00 AM and 4:30 PM ET Monday through Friday at hrss@nih.gov.
If you need any other accommodation or assistance with applying, please contact NIH HR Service Desk Branch C at OHRCSDBRANCHCSRVDSK@od.nih.gov. Requests for reasonable accommodations must be made before the announcement closing date.
Visit our site for information on NIH's EEO program, Reasonable accommodation procedures, laws, policy statements, and the operation of the EEO complaint process.
National Institutes of Health
6701 Rockledge Drive
Bethesda, MD 20892
US
Next steps
Once you submit your application package, you will receive an acknowledgement email. You will be notified of the status of your applications via email. In addition, you can track the progress of your application package through your USAJOBS account.
At the discretion of the agency, you may be contacted via phone or email for an interview or to provide additional information up to several months from the closing date of the announcement. Please ensure you have provided accurate contact information. To remain in consideration, you must respond in a timely manner to our correspondence and requests for documentation or information throughout the hiring process.
Fair and transparent
The Federal hiring process is set up to be fair and transparent. Please read the following guidance.
