Maintenance Mechanic

The primary purpose of this position is to install, maintain, repair, and modify large/complex heating (includes heating boilers and single and multiple fuel power boilers), ventilation, air conditioning and refrigeration (HVAC/R) systems and support equipment including mechanical system controls and 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 the WG-4700 General Maintenance & Operations Work Group;
Maintenance Mechanic. 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 a Maintenance Mechanic without more than normal supervision.

• 1. Knowledge of the principles and theories of air conditioning and refrigeration and properties of refrigerants; mechanical, electromechanical, and pneumatic principles to inspect, install, test, maintain, and repair power boilers and associated auxiliary and pollution control equipment; and the construction and operation of a variety of large industrial and commercial refrigeration and A/C systems.
• 2. Knowledge of electrical equipment, i.e., meggers, test lamps, voltage testers, ammeters, and polarity testers.
• 3. Knowledge of safety regulations, practices, and procedures; and regulations, procedures, and policies related to records maintenance and documentation.
• 4. Skill in dismantling, repairing, and reassembling pumps, impellers, compressors, chillers, receivers, and evaporators to include balancing, aligning, and maintaining turbines, pumps, generators, and ash shredding equipment and preheaters; troubleshooting complex problems on large projects; and applying prescribed test procedures.
• 5. Skill in the use of hand tools, power tools, and a variety of test equipment.
• 6. Ability to read and interpret instructions, blueprints, drawings, sketches, and specifications; and maintain difficult balances of a variety of refrigerant controls and complicated motor controls.

The employee 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.

The employee 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. Occasionally works outside, on top of buildings, in drafty 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 use safety equipment such as safety glasses, hard-toe shoes, respirators, hard hats, and fire retardant gloves.

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 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.