Hvac/R Equipment Mechanic

About the role

Click on "Learn more about this agency" button below to view Eligibilities being considered and other IMPORTANT information. The primary purpose of this position is to install, maintain, repair, and modify large/complex heating, ventilation, air conditioning and refrigeration (HVAC/R) systems to include heating boilers and support equipment including complex electronically controlled equipment, systems and all associated distribution lines. In order to qualify, you must meet the quality level of experience requirements described in the Office of Personnel Management (OPM) Qualification Standards Handbook X-118C. QUALIFICATIONS: Applicants will be rated in accordance with the OPM Qualification Standard Handbook X-118C for WG-5300 - Industrial Equipment Maintenance Group. 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 quality level of knowledge and skill necessary to perform the duties of the position at the level for which you are applying. Qualification requirements emphasis is on the quality of experience, not necessarily the length of time. The screen out element for this position is the ability to do the work of the position without more than normal supervision. JOB ELEMENTS: Your qualifications will be evaluated on the basis of your level of knowledge, skills, abilities and/or competencies in the following areas: 1. Extensive knowledge of the principles construction and operation of a variety of residential, commercial, large commercial and industrial heating, ventilation, air conditioning, and refrigeration (HVAC/R) systems. 2. Thorough knowledge of the principles and theories of operation of the refrigeration cycle, psychometrics, air and hydronic balancing, the laws of thermodynamics, electrical and combustion theory, and industrial water treatment. 3. Knowledge of the components, operating principles, and maintenance requirements of a variety of control systems to include pneumatic, electric, electronic, electro-mechanical, solid state, and direct digital controls. Components include valve/damper actuators, sensors, thermostats, main building controllers (MBC), Variable Frequence Drives (VFD), and controlled devices. 4. Knowledge of the components, operating principles, and maintenance requirements of a variety of control systems. This includes pneumatic, electric, electronic, electro-mechanical, solid state, and direct digital controls (DDC). 5. Knowledge of security and safety practices and procedures. Knowledge of technical procedures, regulations, policies, and guidelines. Skill in the use of hand tools, power tools, and a variety of precision test equipment and instruments. 6. Skill in installing, maintaining, dismantling, repairing, and reassembling HVAC/R systems, components of systems, and control systems incidental to their operation. Physical Effort: The incumbent lifts, carries, and handles equipment up to 50 pounds unassisted and over 50 pounds with assistance. Works from ladders, scaffolding platforms, or cramped areas where equipment, parts, or tools are hard to reach. Work requires frequent stooping, stretching, bending, kneeling, and working in tiring, uncomfortable positions for long periods. In addition, work involves frequent movement and maneuvering of large, heavy equipment using hoists, holders, and pulleys as required. Working Conditions: The incumbent routinely works indoors and outdoors on elevated structures, and in cramped areas. Subject to discomfort from face masks or other protective devices when there is a possibility of exposure to chemicals, heat, steam, noise, noxious gases, fumes, or acids. Often works outside on top of buildings, in cold or hot attic spaces, and in cramped areas with low overheads. Subject to possible burns, electrical shocks, cuts, strains, bruises, and chemical irritations. To reduce dangers from these and other similar conditions, follows prescribed safety practices and uses safety equipment such as safety glasses, hard-toe shoes, respirators, hard hats, and fire- retardant gloves. PART-TIME OR UNPAID EXPERIENCE: Credit will be given for appropriate unpaid and or part-time work. You must clearly identify the duties and responsibilities in each position held and the total number of hours per week. VOLUNTEER WORK EXPERIENCE: Refers to paid and unpaid experience, including volunteer work done through National Service Programs (i.e., Peace Corps, AmeriCorps) and other organizations (e.g., professional; philanthropic; religious; spiritual; community; student and social). Volunteer work helps build critical competencies, knowledge and skills that can provide valuable training and experience that translates directly to paid employment. You will receive credit for all qualifying experience, including volunteer experience.

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