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AIR CONDITIONING REFRIGERATION MECHANIC L10

Employer
USAJobs
Location
Quantico, Virginia
Closing date
Oct 20, 2020
Duties

Summary

Marine Corps Community Services (MCCS) is looking for the best and brightest to join our Team! MCCS is a comprehensive program that supports and enhances the quality of life for Marines, their families, and others in the Marine Corps Community. We offer a team oriented environment comprised of military personnel, civilian employees, contractors and volunteers who keep the organization functioning smoothly and effectively.
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Responsibilities

SUMMARY OF DUTIES:

Installing, recognizing the cause of faulty equipment and making repairs on large systems that provide for a variety of air conditioning functions such as heating, cooling, humidifying, dehumidifying, cleaning, filtering, and circulating air.

Install and repair systems used to condition the air for different kinds of structures such as warehouses large office buildings and complexes including those with areas that have special requirements such as communication, data processing, and other areas with sensitive equipment. The systems use a variety of methods of air conditioning such as mechanical compression, vapor compression, absorption, and steam jet or air cycle.

Installs, determines defects and repairs a variety of electrical equipment including but not limited to: motors, pumps, heaters, vacuum cleaners, light fixtures, conduit, wire, switches, outlets and circuit breakers. Installs or trouble shoots and repairs a variety of small and domestic heating and cooking units and systems. Checks, tests and replaces controls and thermostat. Installs and traces, locates defect and repairs a variety of cooling equipment.

Relays instructions from supervisor. Gets work started. Sets work pace. Demonstrates work methods, and provides work-related guidance. Ensures worksite materials and tools are available to complete work. Reports workplace injuries immediately to the immediate or higher level supervisor, and to the Human Resources office in the absence of the immediate supervisor.

Checks with supervisor on problems. Checks on work and meets productivity goals. Ensures employees follow security, safety and housekeeping rules. Conducts on-the-job training and instructions. Performs supervisory duties in an emergency, or short-term and nonrecurring basis.

Ensures compliance with all pertinent safety and fire regulations.

May perform the suites of subordinate maintenance workers, which would include various electrical repair and maintenance, refrigeration repair and maintenance or other duties.

Provides World Class Customer Service with an emphasis on courtesy. Assists customers and communicates positively in a friendly manner. Takes action to solve problems quickly. Alerts the higher-level supervisor, or proper point of contact for help when problems arise. Adheres to safety regulations and standards. Promptly reports any observed workplace hazards, and any injury, occupational illness, and/or property damage resulting from workplace mishaps to the immediate supervisor. Adheres to established standards of actively supporting the principles of the EEO program and prevention of sexual harassment.

May be required to work during inclement weather when the rest of the Base is closed or arrive on duty early or stay on duty after normal working hours to initiate maintenance repairs, remove snow, ice, etc.

Must operate vehicle in performance of job duties, hauling material and equipment to and from job site.

Performs other related duties as assigned/required

Travel Required

25% or less - Varies

Supervisory status
No

Promotion Potential
NA

Requirements

Conditions of Employment

  • See Duties and Qualifications

EVALUATIONS:

Qualifications

SKILLS AND KNOWLEDGE:

Mechanics use a knowledge of the refrigeration cycle of a variety of commercial and industrial systems to locate and check elements such as those that control low side and high side pressure; the temperature of the cooling units; the temperatures of the liquid and suction lines; and the running time of the various mechanisms. They check for the probability of leaks by visual and audible examination of equipment components; by applying prescribed test procedures and equipment; and by exploration of probable reasons for equipment failure. They know principles and theories of air conditioning and refrigeration such as the refrigeration cycle, heat transfer laws, the use of refrigerant tables; how to calculate airflow, and the pressure-temperature characteristics for the different systems in order to locate and repair faulty equipment swiftly and to reduce inoperative time to a minimum. They know how to locate trouble before dismantling, and to make repairs that insure proper functioning after assembly.

Malfunctions of larger, more varied and complex systems are more difficult to locate because the controls are more difficult to balance. For example, a variety of compressors such as gear, reciprocating, centrifugal, or rotary pump, and a variety of refrigerant controls such as those with low and high pressure side floats, automatic thermostatic expansion valves, capillary or choke types, and those based on volume or quantity changes. A variety of complicated motor controls are also used such as hermetically sealed motors and pressure controls, thermostatic motor controls (remote and double remote), full and semi-automatic defrosting controls, relays, and other controls to protect against overload or overheating. Various types of power sources are used with various combinations or pulleys, belts, horsepower capacity, and tensioners. May dismantle, repair and reassemble units such as pumps, impellers, compressors, chillers, receivers, and evaporators. When making repairs of this nature, they perform more complex repairs such as installing and fitting connecting rods, crank shafts, piston rings, bearings, and bushings; overhauling valves by adjusting or replacing gaskets, springs, floats, diaphragms, valve fittings, seals, and couplings; and aligning motors and flywheel drives.

HVAC/ Refrigeration licensure at the Journeyman level is required. Two years' experience in related building trades required. Must have knowledge of the operation and installation of a variety of complete HVAC systems and equipment. Must be able to read, interpret and work from blue prints or sketches and be knowledgeable of basic shop mathematics.

Must possess a valid Virginia state driver's license and be capable of obtaining a government vehicle operator's license.

RESPONSIBILITIES:

Leads the work of NA-8 maintenance workers and one NA-10 Maintenance Mechanic/ electrician/refrigeration worker. Passes on instruction from supervisors, starts maintenance workers on their work, sets the pace, demonstrates proper work methods, checks work while in progress, answers employees' questions.

PHYSICAL EFFORT:

The work requires frequent walking, standing, bending, stooping, reaching, kneeling, pushing, pulling, carrying, crawling and climbing. Frequent lifting, carrying and setting up of materials and equipment weighing up to 100 pounds is also required.

WORKING CONDITIONS:

Work may be performed either inside or outside, occasionally in inclement weather. Frequently exposed to sudden temperature changes, dust, dirt, fumes, spray and loud noises. Subject to cuts, burns, bruises, electrical shocks or injuries occurring from lifting heavy pieces of lumber/equipment or in fall from ladder/scaffolds. Required to wear supplied protective clothing/equipment.

Education

Additional information

GENERAL INFORMATION: Applicants are assured of equal consideration regardless of race, age, color, religion, national origin, gender, GINA, political affiliation, membership or non-membership in an employee organization, marital status, physical handicap which has no bearing on the ability to perform the duties of the position. This agency provides reasonable accommodations to applicants with disabilities. If you need a reasonable accommodation for any part of the application and hiring process, please notify the agency. The decision on granting reasonable accommodation will be on a case-by-case basis.

It is Department of Navy (DON) policy to provide a workplace free of discrimination and retaliation. The DON No Fear Act policy link is provided for your review: https://www.donhr.navy.mil/NoFearAct.asp.

As part of the employment process, Human Resources Division may obtain a Criminal Record Check and/or an Investigative Consumer Report. Employment is contingent upon the successful completion of a National Agency Check and Inquiries (NACI). For all positions requiring access to firearms or ammunition, the Federal Government is prohibited from employing individuals in these positions who have ever been convicted of a misdemeanor crime of domestic violence, or a felony crime of domestic violence adjudged on or after 27 November 2002. Selectees for such positions must submit a completed DD Form 2760, Qualification to Possess Firearms or Ammunition, before a final job offer can be made.

Direct Deposit of total NET pay is mandatory as a condition of employment for all appointments to positions within MCCS.

Required Documents:

*Education/certification certificate(s), if applicable.

*If prior military, DD214 Member Copy

This activity is a Drug-free workplace. The use of illegal drugs by NAF employees, whether on or off duty, cannot and will not be tolerated. Federal employees have a right to a safe and secure workplace, and Marines, sailors, and their family members have a right to a reliable and productive Federal workforce.

Involuntarily separated members of the armed forces and eligible family members applying through the Transition Assistance Program must submit a written request/statement (may be obtained from the MCCS Human Resources Office) and present ID card with "TA" stamped in red on front of card.

INDIVIDUALS SELECTED FROM THIS ANNOUNCEMENT MAY BE CHANGED TO PART-TIME OR FULL-TIME AT MANAGEMENT'S DISCRETION WITHOUT FURTHER COMPETITION.

ALL ONLINE APPLICATIONS MUST BE RECEIVED BY 1159PM EASTERN STANDARD TIME (EST) ON THE CLOSING DATE LISTED IN THE JOB POSTING.

How You Will Be Evaluated

You will be evaluated for this job based on how well you meet the qualifications above.

Your application/resume and supporting documentation will be used to determine whether you meet the job qualifications listed on this announcement. This vacancy will be filled by the best qualified applicant as determined by the selecting official.

Background checks and security clearance

Security clearance
Not Required

Drug test required
No

Required Documents

Varies - Review "OTHER INFORMATION"

If you are relying on your education to meet qualification requirements:

Education must be accredited by an accrediting institution recognized by the U.S. Department of Education in order for it to be credited towards qualifications. Therefore, provide only the attendance and/or degrees from schools accredited by accrediting institutions recognized by the U.S. Department of Education .

Failure to provide all of the required information as stated in this vacancy announcement may result in an ineligible rating or may affect the overall rating.

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