Maintenance Mechanical Millwright

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Senior Recruiter at Gulfstream SP | Expert in Recruiting Top Talent for the HVAC, Plumbing, & Building Automation Industries | Committed to Crafting… Job Title: Applied Mechanical Systems Technician
Location: Phoenix, AZ
Job Summary
We seek a highly skilled and motivated Applied Mechanical Systems Technician to join our expanding service team in Phoenix, AZ. This field-based, full-time role is focused on servicing, troubleshooting, and maintaining high-performance mechanical systems, including large-capacity HVAC equipment such as chillers, boilers, pumps, rooftop units (RTUs), and Variable Refrigerant Flow (VRF) systems. The ideal candidate brings hands-on experience in complex mechanical environments and thrives in a role that demands technical expertise and customer-focused service.
Key Responsibilities
Diagnostics & Repair: Troubleshoot and repair air- and water-cooled chillers (screw, scroll, centrifugal), large-capacity RTUs (20-200+ tons), and other applied mechanical systems.
Preventive Maintenance: Perform scheduled maintenance on cooling towers, pumps, boilers, and associated infrastructure to ensure optimal system performance.
VRF System Expertise: Install, commission, and maintain VRF systems by manufacturer specifications and industry standards.
Controls & BAS Integration: Interface with Building Automation Systems (BAS/BMS) for system calibration, optimization, and control integration.
OEM Compliance: Follow service guidelines and protocols from manufacturers such as Trane, Carrier, York, Daikin, and Mitsubishi.
Safety Compliance: Adhere strictly to OSHA standards, lockout/tagout (LOTO), and company safety procedures at all times.
Documentation & Reporting: Accurately log all service activities, diagnostics, repairs, and parts using field service management tools.
Client Communication: Professionally interact with facility managers, engineers, and contractors to deliver service updates, technical recommendations, and post-service summaries.
Qualifications
5+ years of hands-on experience with applied mechanical and HVAC systems in commercial or industrial settings
EPA Universal Certification (Section 608)
Strong proficiency in diagnosing and servicing: Air- and water-cooled chillers (screw, scroll, centrifugal), Large RTUs, Boilers, hydronic pumps, and mechanical system components VRF systems
Ability to read and interpret mechanical and electrical schematics and blueprints
Valid Arizona driver's license with a clean driving record
Strong organizational skills and effective verbal/written communication
Self-directed with the ability to manage multiple service calls independently
Preferred Qualifications
OEM/factory training from manufacturers like Trane, Carrier, York, Daikin, or Mitsubishi
Experience with building automation platforms (Metasys, Tracer, Niagara, etc.)
Background working in critical environments such as healthcare, data centers, or laboratories
Expertise in brazing, refrigerant recovery, pressure testing, and system commissioning
What We Offer
Competitive compensation based on experience and certifications
Company-provided service vehicle, tools, and mobile technology
Paid OEM and ongoing technical training
Comprehensive health, dental, and vision coverage
401(k) with employer match
A safety-first culture and supportive team environment
If you're an experienced HVAC professional seeking a dynamic and rewarding career opportunity in the Phoenix area, we encourage you to apply and join our trusted service team.
All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or veteran status.
Seniority level Seniority level Not Applicable
Employment type Employment type Full-time
Job function Job function Customer Service, Other, and Engineering
Industries HVAC and Refrigeration Equipment Manufacturing, Wholesale Hardware, Plumbing, Heating Equipment, and Engineering Services
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Inferred from the description for this job Medical insurance
Vision insurance
401(k)
Pension plan
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