Completion of an Air Conditioning and Refrigeration certificate program from a community college, trade school, or equivalent union-approved HVAC and Refrigeration apprenticeship program (proof required). *
 
                                                                                 AND
 
(3) Three years (full-time equivalent) paid journey-level experience in the operation, repair, and maintenance of heating, refrigeration, air conditioning, and related equipment of a large structure, which must include one year in the operation and maintenance of a large central air conditioning system.

                                                                                  AND

An Environmental Protection Agency (EPA) mandated Universal Certification for the handling of high and lowpressure refrigerants (proof required.) *

*Proof of required documents, such as degree or transcripts, must be uploaded to the online application at the time of filing. Any proofs submitted must contain either the applicant's name or other identifying characteristics on the form. Degrees must indicate the field of study and transcripts must indicate a field of study and degree conferred date. Candidates who possess degrees from colleges or universities outside the United States must attach proof of educational equivalence at the time of filing.

Knowledge, Skills, Abilities

• Ability to read/troubleshoot from electrical system schematics and experience with computerized building automation control systems. 

Willingness to work an irregular schedule, including nights, weekends, and holidays.

A valid driver's license and a current DMV record must be submitted to the hiring department at the time of selection.

DESIRABLE QUALIFICATIONS: Experience with large (100,000+ sq. ft) and/or high-rise structures, large central plant systems, and pneumatic controls. Bilingual/Biliterate skills (Spanish, Khmer, or Tagalog) are desired for some positions.