Maintenance Mechanic

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

Major duties

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

Qualifications

All qualifications must be met by the closing date of this announcement - 09/29/2026 - 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.

Requirements

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 www.dhs.gov/EVerify/. 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.