Maintenance Mechanic

Air Force Global Strike Command•Warren AFB, WY

11d

About The Position

The primary purpose of this position is to install, maintain, repair, and modify large and complex heating, ventilation, air conditioning, and refrigeration (HVAC/R) systems and supporting equipment, including mechanical system controls and distribution lines. The work includes heating boilers and single- and multiple-fuel power boilers. The employee plans and lays out work using blueprints, sketches, drawings, specifications, guides, codes, and work orders. The role involves troubleshooting complex HVAC/R problems; installing, repairing, and maintaining large commercial and industrial ventilation, refrigeration, air-conditioning, and cooling systems; and maintaining complex heating boilers, power boilers, auxiliary equipment, and pollution-control equipment. The employee also performs incidental electrical work and preventive maintenance. Work takes place indoors and outdoors, including on elevated structures and in cramped areas. The employee may encounter chemicals, heat, steam, noise, noxious gases, fumes, acids, and risks such as burns, electrical shocks, cuts, strains, bruises, and chemical irritation. Safety practices and protective equipment are required. The role includes lifting and handling equipment, working in awkward positions and hard-to-reach spaces, and maneuvering heavy equipment with hoists, holders, and pulleys.

Requirements

U.S. citizenship is required.
Males must be registered for Selective Service.
A valid, appropriate driver's license is required.
Must obtain and maintain a Secret security clearance.
Must hold universal CFC/NCFC certification as required by 40 CFR Part 82, Subpart F, EPA.
Must pass initial and periodic short-notice drug testing as a Testing Designated Position employee.
Must meet the screen-out requirement: ability to perform the work of a WG-4749 Maintenance Mechanic without more than normal supervision.
Knowledge of air-conditioning and refrigeration principles, refrigerant properties, mechanical, electromechanical, and pneumatic principles, and large industrial and commercial refrigeration and A/C systems.
Knowledge of electrical testing equipment, including meggers, test lamps, voltage testers, ammeters, and polarity testers.
Knowledge of safety regulations and practices, and of records-maintenance and documentation policies and procedures.
Skill in dismantling, repairing, and reassembling pumps, impellers, compressors, chillers, receivers, and evaporators; balancing and aligning equipment; troubleshooting complex problems; and applying test procedures.
Skill in using hand tools, power tools, and test equipment.
Ability to read and interpret instructions, blueprints, drawings, sketches, and specifications, and to maintain balances of refrigerant controls and complicated motor controls.
Ability to discern colors, contrast, and depth.
Ability to lift, carry, and handle equipment weighing up to 50 pounds unassisted and over 50 pounds with assistance; work on ladders, scaffolding, and in cramped areas; and frequently stoop, stretch, bend, kneel, and work in uncomfortable positions.
Must be able to work with protective devices and equipment in conditions involving possible exposure to chemicals, heat, steam, noise, gases, fumes, or acids.
Must have direct deposit.
Must serve a one-year probationary period or two-year trial period, depending on the position type; continued employment after the period requires written certification that it advances the public interest.

Responsibilities

Plan and lay out work using blueprints, sketches, drawings, specifications, guides, codes, and work orders.
Troubleshoot complex HVAC/R systems and locate malfunctions requiring judgment and extensive repairs.
Install, repair, and maintain large commercial and industrial ventilation, refrigeration, air-conditioning, and cooling systems.
Install, modify, overhaul, repair, and maintain complex heating boilers and heating systems, single- and multiple-fuel power boilers, and associated auxiliary and pollution-control equipment.
Perform electrical work incidental to maintaining and operating HVAC/R systems.
Perform preventive maintenance on HVAC/R systems and equipment.
Train or guide lower-graded employees or employees in other trades.
Use prescribed safety practices and safety equipment to reduce workplace hazards.
Drive a motor vehicle as required for the work.