JLL · 18 hours ago
Specialist, Engineering Services
Chicago, IL
Full-time
Onsite
Mid Level
$47.92/hr - $47.92/hr
4+ years expJLL is a leading professional services firm specializing in real estate and investment management. They are seeking an HVAC/Refrigeration Technician Grade 1 responsible for maintaining and repairing critical building systems to ensure operational efficiency. This hands-on role requires expertise in HVAC and refrigeration systems, with a focus on troubleshooting and system installations.
CommercialReal Estate
Responsibilities
Troubleshoot and repair pneumatic, electric, and electronic controls using proper testing equipment and technical documentation
Diagnose and repair HVAC electrical components on chillers, rooftop units, fan units, and related equipment
Perform complete charging and start-up procedures for large chiller systems
Repair and rebuild pumps, compressors, and other mechanical components
Service residential and commercial refrigeration systems, including refrigerant recovery, charging, and system diagnostics
Troubleshoot and repair ice machines and kitchen equipment as needed
Utilize building automation systems (BAS) to diagnose and resolve control issues
Qualification
Required
High school diploma or GED required
Completion of 4-year apprenticeship program and/or equivalent hands-on experience
CFC certification for refrigerant handling
Proven experience with large compressor operations and pressure/temperature relationships
Expertise in refrigerant systems, recovery procedures, and charging protocols
Ability to read and interpret blueprints, diagrams, schematics, and service manuals
Must own complete set of hand tools necessary for the trade
Preferred
Knowledge of pneumatic controls, instruments, and automatic dampers
Experience with air flow management and air balancing in large institutional settings
Familiarity with water and steam systems operations
Working knowledge of building automation systems and DDC controls
Kitchen equipment maintenance and repair experience
Proficiency in soldering techniques (silver solder and soft solder)
Understanding of federal, state, and local codes applicable to HVAC/refrigeration work
Company
JLL
We’re a leading professional services firm that specializes in real estate and investment management.
10001+ employees
H1B Sponsorship
JLL has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (70)
2024 (47)
2023 (60)
2022 (68)
2021 (39)
2020 (43)
Funding
Current Stage
Public CompanyTotal Funding
$1.59B2025-11-03Post Ipo Debt· $565.35M
2023-11-08Post Ipo Debt· $400M
2019-05-29Post Ipo Debt· $46.5M
Leadership Team
Christian Ulbrich
President, CEO & Director
Jones Lang LaSalle
Global CEO, Capital Markets and Member
Recent News
Morningstar.com
2025-12-29
2025-12-17
Company data provided by crunchbase