Steamfitter Journeyman (Chiller Technician)

Steamfitter Journeyman/Chiller Technician

Glenn Dale, MD | Full-Time | Local 602 Scale + Overscale Pay (DOE)

About the Role

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 systemsincluding helical screws and centrifugal equipmentwhile 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.

Key Responsibilities

• 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.

• Diagnostics, Troubleshooting & Repair (30%)

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

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

• Overhaul & Advanced Service Work (20%)

  • 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.

• Support Chiller Service Group Growth (10%)

  • Partner with leadership to strengthen service offerings.

  • Contribute technical expertise to expand client relationships.

The Ideal Candidate

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.

Apply Today to become part of a team that's redefining excellence in HVAC service.

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.

About Exigent Exigent brings together world-class mechanical services companies, creating an integrated platform powered by cutting-edge technology and union expertise. We focus on critical facilities in recession-proof verticals like healthcare, education, and government, delivering exceptional HVAC, plumbing, and building automation services. Our platform provides operating companies with advanced sales tools, technical training, and operational support while maintaining their entrepreneurial spirit.

Qualifications

Experience

Required

3-5 years:

Knowledge of chilled water applications

3-5 years:

Knowledge of Electrical/Pneumatic/Variable frequency drives

5-7 years:

Experience as a Journeyman servicing both water and air-cooled chillers; helical screws and centrifugal equipment

3-7 years:

Experienced Chiller Technician

Equal Opportunity Employer/Protected Veterans/Individuals with Disabilities This employer is required to notify all applicants of their rights pursuant to federal employment laws. For further information, please review the Know Your Rights notice from the Department of Labor.

American Combustion Industries, Inc.