Steamfitter Journeyman (Chiller Technician)

About The Role

ACI, a trusted leader in commercial HVAC services, is expanding its Chiller Service Group and seeks a skilled HVAC Journeyman / Chiller Technician to join the team. This role offers an exciting opportunity to work with advanced water- and air-cooled chiller systems, including helical screws and centrifugal equipment, while also mentoring and guiding other mechanics.

Key Responsibilities

• Perform routine inspections, testing, and maintenance on water- and air-cooled chillers.

• Ensure systems run at optimal efficiency while reducing downtime and extending equipment life.

• Identify and resolve system issues across chillers, drives, and related equipment.

• Troubleshoot electrical, pneumatic, and variable frequency drive (VFD) systems.

• Execute major overhauls on centrifugal and screw chillers.

• Perform component replacements, retrofits, and upgrades as needed.

• Provide direction and mentorship to junior mechanics.

• Share knowledge to elevate the capabilities of the team.

• Support Chiller Service Group growth by partnering with leadership to strengthen service offerings and contribute technical expertise to expand client relationships.

The Ideal Candidate

We are looking for a top-tier technician with a mix of technical mastery and leadership skills. The ideal candidate should have 5+ years of experience as a Journeyman HVAC Technician specializing in chiller service, and local 602 membership is preferred. They should have deep experience servicing water- and air-cooled chillers, helical screws, and centrifugal equipment, along with strong knowledge of chilled water applications, electrical and pneumatic systems, and VFDs. Skilled in preventative maintenance, diagnostics, service, troubleshooting, repair, and overhauls, they should also possess strong problem-solving abilities and a proactive, solutions-first mindset.

What We Offer

• Competitive Compensation: Local 602 scale + overscale rates based on experience.

• Career Growth: Opportunities to advance within a growing, industry-leading company.

• Comprehensive Benefits Package: Including health, dental, and retirement plans.

• PTO: Company policy PTO + paid company holidays.

• Professional Environment: Work alongside a union-powered workforce that values technical excellence and fosters a collaborative team atmosphere.