Job Description
Job Description
General and Mechanical Services (GMS) is a recognized leader in the mechanical, electrical, and plumbing (MEP) industry. Since 1998, we have provided design, repair, retrofit and maintenance services for education, healthcare, commercial and government facilities in MD, VA, DC, DE, and PA. GMS’s professional & certified team delivers the best and most cost-effective mission critical infrastructure solutions to our customers.
Location: DC Metro
Pay: $55/hr- affiliated with the Local 602 union
Willing to pay over scale for the right person
Certifications & Training
- EPA 608 Universal Certification (required)
- OSHA 10/30 Safety Training (preferred; must complete within 90 days if not held)
- OEM/Factory Certifications (at least one preferred, multiple strongly preferred):
- Carrier Chiller Certification (19XR, 19XRV, 23XRV, AquaEdge, etc.)
- Trane CenTraVac / Series R Factory Training
- York YK/YT/YVAA Chiller Certification
- Daikin/McQuay Water-Cooled Chiller Certification
- VFD (Variable Frequency Drive) factory or equivalent training (ABB, Danfoss, Trane, etc.)
- BAS/Controls familiarity (Johnson, Siemens, Honeywell, Trane Tracer, Carrier i-Vu)
Technical Knowledge & Skills
- Minimum of 5–7 years of hands-on water-cooled chiller service experience
- Proficient in centrifugal, screw, and absorption chiller technologies
- Ability to perform tear-downs, overhauls, and tube brushing/cleaning
- Strong understanding of refrigerant handling, reclaim, recovery, and charging (including A2L refrigerants)
- Skilled in reading and interpreting mechanical, electrical, and control schematics
- Experience with eddy current testing coordination and reporting
- Knowledge of cooling tower interface and condenser water treatment requirements
Tools & Equipment
- Owns and maintains a complete set of HVAC tools (gauges, meters, recovery machine, torque wrenches, laptop interface tools, etc.)
- Familiar with diagnostic software and factory interfaces for Carrier, Trane, York, Daikin, etc.
- Experience in vibration analysis and oil/refrigerant sample testing
Safety & Compliance
- Knowledge of lockout/tagout procedures
- Ability to perform confined space work (cooling towers, mechanical rooms)
- Experience with high-voltage equipment (4160V starters, medium-voltage chillers)
- Strong track record of safe work practices with no major safety violations
Professional Attributes
- Strong communication skills with customers and internal team
- Detailed service reporting and documentation ability (Spectrum/eSub/Salesforce experience a plus)
- Ability to mentor apprentices and junior techs
- Reliable transportation and clean driving record, clean background and drug test
- Willingness to be part of rotating on-call schedule for emergency service
Check out this link to learn more about Crete:
Crete United is an equal opportunity employer, considering all applicants for employment regardless of race, color, religion, sex, gender identity, pregnancy, national origin, ancestry, citizenship, age, marital status, physical disability, sexual orientation, genetic information, or any other characteristic protected by state of federal law. Women and minorities are encouraged to apply.
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