For qualifications determinations, it is recommended that applicants include their months and hours worked per week for each employment listed on their resume. All qualifications and education requirements must be met by the closing date of this announcement and clearly documented in your resume. EXPERIENCE: A specific length of training and experience is not required, but you must show evidence of training or experience of sufficient scope and quality of your ability to do the work of this position. Evidence which demonstrates you possess the knowledge, skills, and ability to perform the duties of this position must be supported by detailed descriptions of such on your resume. Experience for the WG-8 is defined as experience that demonstrates the ability to: (1) Perform routine preventive and corrective maintenance on mechanical systems such as HVAC, chillers, steam, or water distribution systems; (2) Operate mechanical equipment using manual or local control systems; (3) Troubleshoot and repair common mechanical malfunctions using technical manuals or diagrams. Experience for the WG-10 is defined as experience that demonstrates the ability to: (1) Operate and maintain industrial mechanical systems such as chillers, cooling towers, steam, compressed air, or water systems; (2) Diagnose and repair mechanical and electrical equipment malfunctions; (3) Monitor and adjust system operations using direct digital controls or building automation systems. Experience for the WG-11 is defined as experience that demonstrates the ability to: (1) Troubleshoot and repair complex industrial mechanical plant systems such as chillers, HVAC, steam distribution, compressed air, or water systems; (2) Diagnose system failures and restore equipment to operational status; (3) Operate and control plant systems using computerized building automation or SCADA systems. 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). You will receive credit for all qualifying experience, including volunteer experience. SCREEN-OUT ELEMENT: Your qualifications will first be evaluated against the prescribed screen out element, which usually appears as question 1 in the on-line questionnaire. Those applicants who appear to possess at least the minimal acceptable qualification requirement are considered for further rating; those who do not are rated ineligible and are eliminated. Potential candidates are then rated against the remainder of the questions. The screen-out element for this position is "Ability To Do The Work Of The Position Without More Than Normal Supervision" PHYSICAL EFFORT/REQUIREMENTS: The work requires prolonged periods of standing, walking, bending, crouching, crawling, and climbing ladders. Duties involve the use of various tools and the lifting of heavy equipment to conduct inspections, perform repairs, and resolve operational issues. WORKING CONDITIONS: Indoor Work: The work environment can experience rapid temperature changes and includes exposure to various hazardous substances, such as acids, fumes from soldering, welding, batteries, steam, gas, hot water, and high-voltage conditions. Incumbent may face risks of electric shock, falls from ladders, and injuries from tools and heavy equipment. Physical Challenges: The role often involves working in awkward positions and potentially dangerous areas. Incumbent might be exposed to dust, insulation, and asbestos particles, especially when working in ceiling areas. Special precautions, including adherence to guidelines and the use of personal protective equipment (PPE) such as Tyvek suits and respirators. Outdoor Work: Outdoor assignments can require working under inclement weather conditions, with exposure to heat, cold, and rapid temperature changes. Refrigeration Plants, Steam Tunnels, Manholes, and Mechanical Rooms: These areas can be noisy and subjected to extreme temperatures, dust, dirt, moving machinery, and pressurized piping systems containing hazardous chemicals. Specialized handling and protective measures are required. Safety Protocols: Compliance with safety procedures and the mandatory use of appropriate safety gear, including safety shoes, hard hats, hearing protection, protective eyewear, and gloves, are essential to ensure a safe working environment. ACTIVE DUTY SERVICE MEMBERS: Federal agencies treat active duty service member as veterans, disabled veterans, and preference eligible, when they submit, as part of their application package, a "certification" of active service in lieu of a DD-214, indicating the service member is otherwise eligible and will be discharged or released within 120 days from the date of submission.. A "certification" letter should be on letterhead of the appropriate military branch of the service and contain (1) the military service dates including the expected discharge or release date; and (2) the character of service. This "certification" must include your rank, dates of active duty service, type of discharge and character of service (i.e. honorable), and date any terminal leave will begin. It must be signed by, or by direction of, the adjutant, personnel officer, or commander of your unit or higher headquarters. Active duty members that fail to provide a valid "certification" of service with their initial application will be found "not eligible". Members may be appointed before the effective date of their military retirement/separation if they are on terminal leave.