HVAC Journeyman; Chiller Technician

Steamfitter Journeyman (Chiller Technician)

Job Category
: HVAC

Requisition Number
: HVACJ
001140

• Posted :
  July 9, 2026
• Full-Time

Showing 1 location

ACI, a trusted leader in commercial HVAC services, is expanding our Chiller Service Group and seeking a skilled HVAC Journeyman / Chiller Technician to join our team. This is an exciting opportunity for an experienced technician to work with advanced water- and air-cooled chiller systems—including helical screws and centrifugal equipment—while playing a vital role in mentoring and guiding other mechanics.

If you thrive on solving complex mechanical challenges, enjoy collaborating with a high-performing team, and want to contribute to a growing service group, this role offers a chance to sharpen your expertise while growing your career.

Preventative Maintenance (30%)

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.

Technical Leadership & Guidance (10%)

Provide direction and mentorship to junior mechanics.

Share knowledge to elevate the capabilities of the team.

Partner with leadership to strengthen service offerings.

Contribute technical expertise to expand client relationships.

We're looking for a top-tier technician who brings a mix of technical mastery and leadership.

Experience & Credentials

5+ years of experience as a Journeyman HVAC Technician specializing in chiller service.

Local 602 membership preferred; must be able to work within union guidelines.

Technical Expertise

Deep experience servicing water- and air-cooled chillers, helical screws, and centrifugal equipment
.

Strong knowledge of chilled water applications, electrical and pneumatic systems, and VFDs
.

Skilled in Preventative Maintenance, Diagnostics, Service, Troubleshooting, Repair, and Overhauls
.

Leadership & Teamwork

Able to provide technical guidance to mechanics and collaborate with peers.

Strong problem-solving ability with a proactive, solutions-first mindset.

Growth-Oriented

Motivated to support and help grow an expanding chiller service group.

Desire to take ownership of complex technical challenges and deliver exceptional results.

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: You'll work alongside a union-powered workforce that takes pride in technical excellence. We provide modern tools and equipment to help you perform at your best, maintain a strong safety culture, and foster a collaborative team atmosphere where expertise is valued and shared.

About ACI American Combustion Industries (ACI) is a full-service facility support contractor that provides a wide variety of mechanical services to industrial, commercial, and institutional customers in Maryland, Washington DC, and Virginia. Experts in our field, ACI brings a deep understanding of combustion science and technology to exceed our clients’ expectations and build long-term relationships based on trust and collaboration. Our reputation for reliable customer service, quality service, and installation is reflected in our long track record of providing high-quality products and services and our willingness to go the extra mile for our customers.

In 2022 ACI joined Exigent, a dynamic group of companies focused on providing critical commercial HVAC and mechanical services. Check out our website for more information.

About Exigent Exigent brings together world-class mechanical services companies, creating an integrated platform powered by cutting-edge…