Maintenance Mechanic

Summary You will serve as a Maintenance Mechanic at Manassas National Battlefield Park in Manassas, Virginia. Please visit find a park for additional park information. This is a Permanent, Competitive, Full-time appointment Responsibilities At the full performance level (WG-10) the major duties of this position include, but are not limited to, the following: Inspects, services, and repairs commercial and light-industrial HVAC systems including air handlers, condensers, heat pumps, exhaust systems, and ductwork park wide. Diagnoses mechanical and electrical faults using testing instruments and replaces motors, belts, contactors, capacitors, thermostats, and related components to maintain proper environmental conditions in visitor centers, offices, and historic structures. Provides support in the areas of operation, maintenance, troubleshooting and repair of the large and complex systems utilized for air conditioning and heating various historic and non-historic buildings within the National Park Service. Constructs, alters, modifies, or repairs a wide range of features in buildings, quarters and other facilities. Implements scheduled preventive maintenance programs for boilers, HVAC equipment, pumps, and related building systems. Conducts seasonal changeovers, system startups/shutdowns, filter replacements, lubrication, safety inspections,and performance testing Documents work orders, inspections, parts usage, and system conditions in facility management systems. Assists with project planning, contractor oversight, material estimates, and compliance with safety standards (OSHA, EPA, fire and life safety). Responds to emergency service calls to restore critical building systems Requirements Conditions of Employment Must be a U.S. Citizen or National. Appointment subject to background investigation and favorable adjudication. Males born after 12-31-59 must be registered for Selective Service. Direct Deposit participation required. Successfully pass the E-Verify employment verification check. To learn more, visit You are required to wear a uniform and comply with the uniform standards. A uniform allowance will be provided. You must be at least (1)18 years old or (2) at least 16 years old and: (a) Have graduated from high school or been awarded a certificate equivalent to graduating from high school; or (b) Have completed a formal vocational training program; or (c) Have received a statement from school authorities agreeing with their preference for employment rather than continuing their education; or (d) Be currently enrolled in a secondary school and either work only during school vacation periods or work part-time during the school year under a formal student employment program. You must be at least 18 years of age or older and possess a valid state driver's license to operate government vehicles. As a condition of employment for accepting this position, you will be required to serve a 1-year probationary period during which your fitness and whether your continued employment advances the public interest will be evaluated. This probationary period is an extension of the appointment process and therefore requires the agency to determine if continued employment would advance the public interest, meet the organization goals and mission of the agency, and/or otherwise promote the efficiency of the service. In determining if your employment advances the public interest, the agency will consider: your performance and conduct; the needs and interests of the agency; whether your continued employment would advance organizational goals of the agency or the Government; and whether your continued employment would advance the efficiency of the Federal service. Qualifications All qualifications must be met by the closing date of this announcement - 10/06/2026 - unless otherwise stated in this vacancy announcement. To qualify for this position, you must have sufficient knowledge and ability in the following job-related factors: Ability to Do the Work of the Position without More Than Normal Supervision (SCREEN OUT) Use of Measuring Instruments Technical Practices (Theoretical, Precise, Artistic) Ability to Interpret Instructions, Specifications, etc. (Includes Blueprint Reading) Knowledge of Equipment Assembly, Installation, and Repair, etc. Ability to Use and Maintain Tools and Equipment Knowledge of Materials Your resume must clearly show that you are able to perform common maintenance tasks under normal supervision subject to inspection for compliance with work and safety standards and policies including: Uses basic hand tools and measuring devices correctly and safely. Follows instructions, learns procedures, and completes assigned tasks to standard. Performs routine physical tasks appropriate to the position. If your knowledge and ability in the SCREEN OUT factor above is not sufficient, you will receive no further consideration. In preparing your application, describe in detail the experience and training which you have had that specifically prepared you for this job and to perform the duties described for this job. Experience should be clearly described and documented in your resume. Your resume must support your response to the assessment questionnaire, and if it does not, your application will be marked as not eligible. The qualifications reviewer will not assume performance of such duties by Job Titles alone. Address your knowledge, skills and/or abilities in the areas shown in the job-related factors. You must meet at least 2 points on the screen-out element(s) and obtain an average of at least 2 points on all of the job elements to be considered qualified for this position. Volunteer Experience: 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, knowledge, and skills and can provide valuable training and experience that translates directly to paid employment. You will receive credit for all qualifying experience, including volunteer experience. Education There is no substitution of education for experience for Federal Wage System (FWS) positions. Additional Information Additional vacancies may be filled using this job announcement. Physical Demands: Physical effort is heavy to moderate and requires occasional lifting or handling of objects or materials up to 50-100 pounds unassisted, following proper lifting procedures to avoid injury. Frequently required to stand while working, climb ladders or scaffolding, and bend, stoop, climb, and work in awkward positions. This requires standing, bending, stooping, kneeling, climbing and working in tiring and cramped positions. Working Conditions: Exposed to a variety of seasonal weather conditions while working outdoors (temperatures -40 to 90+ degrees). Subject to danger of falling from ladders or scaffolding. Exposed to dust, dirt, wind, and rain. May work with dangerous chemicals and around moving equipment; paints, solvents, etc. May be exposed to electrical shocks and biting insects. The incumbent's clothing may become soiled from· grease, dust, and chemicals. There is frequent exposure to the possibility of cuts, bruises, falling, bums, broken bones and chemical vapors, constant noise, rotating machinery, dust, grease, chemicals, oil, fumes and infectious blood pathogens when working in or about systems. Incumbent may also be exposed to energized circuits, electrical shock, burns, electrical rotary devices, cuts and abrasions from the use of tools and equipment and bums from chemicals. The incumbent is required to wear prescribed safety equipment and to adhere to safety rules and regulations, and standards as set by OSHA and the Park's established Safety Plan. Snowmobile operation is occasionally required for winter operations at some park locations. Ethics: All Department of Interior (DOI) employees, their spouses, and minor children may not acquire or retain any claim, permit, lease, small tract entry, or other rights granted by the Department in Federal lands, with limited exceptions. Additional ethics prohibitions can be found here, Probationary Period: Under applicable law, the employment of an individual serving a probationary or trial period automatically terminates when that period ends unless the agency affirmatively certifies, in writing, that the individual's employment should continue and that their appointment should be finalized. In the absence of agency action to affirmatively certify continued employment beyond the probationary or trial period, such appointments are terminated. Upon completion of your probationary period your employment will be terminated unless you receive certification, in writing, that your continued employment advances the public interest.