Senior Industrial Refrigeration (HVAC/R) Technician

Job DescriptionTitle: Senior Industrial Refrigeration (HVAC/R) Technician Location: North Chicago, IL Hire Type: Contract, Onsite Schedule: 6:00am - 2:30pm, Monday - Friday Target Pay Range: $40.00 - $45.00/hour (W2) Benefits: PTO, Paid Holidays, Medical/Dental/Vision Plans, 401(k), ESOP Must have Skill Set: Industrial HVAC and Refrigeration installation and repair (electrical and mechanical) Job Summary: The Maintenance Technician (HVAC/R) is responsible for maintaining, troubleshooting, and repairing refrigeration and HVAC systems to ensure reliable facility operations and temperature-controlled pharmaceutical production environments. Job Duties: Maintain, service, troubleshoot, and repair refrigeration and chiller systems including centrifugal, screw, and positive displacement compressors. Install, maintain, and repair walk-in coolers and freezers to ensure proper temperature control and product preservation. Diagnose and repair BAS-controlled components including transducers, actuators, valves, dampers, controller boards, pressure switches, and environmental sensors. Interpret electrical schematics and safely work with 24VAC, 120VAC, and 460VAC systems. Perform refrigeration diagnostics including superheat and subcooling calculations to optimize system performance. Troubleshoot smart refrigeration controllers such as Beacon II and IntelliGen (preferred). Support commissioning, validation, and startup of HVAC/R systems. Partner with cross-functional teams to resolve equipment issues and improve system reliability. Participate in safety initiatives and continuous improvement efforts. Train and support other technicians on advanced HVAC/R tasks as needed. Complete additional maintenance duties and projects as assigned. Qualifications: High School Diploma/GED with 10+ years, or technical certificate with 5+ years, or Associate's degree with 3+ years of relevant experience. Universal EPA certification required. Strong knowledge of HVAC/R systems including chillers, compressors, pumps, and water flow systems. Experience with BAS controls and industrial electrical troubleshooting. Familiarity with HVAC/R validation and commissioning processes. Strong troubleshooting, root cause analysis, and problem-solving skills. Qualified applicants will receive consideration for employment without regard to race, color, age, religion, sex, sexual orientation, gender identity, national origin, disability, protected veteran status, or genetic information. Meet Your RecruiterMike Schmitz Technical Recruiter If you're a skilled professional in engineering, manufacturing, or life sciences and you're exploring your next career move-I'm here to help. I'm a Senior Technical Recruiter and Team Leader who's passionate about connecting great people with great companies. I specialize in placing candidates in roles within product, equipment, food/beverage, and pharmaceutical manufacturing, and I work closely with some of the most respected employers in the industry. My approach is consultative, transparent, and relationship-driven. I'll take the time to understand your goals, skills, and preferences-and then help you navigate the search process with confidence. From resume tips and interview prep to timely feedback and honest communication, my goal is to make your job search feel less stressful and more strategic. I've worked with professionals at all levels-from early career to senior leadership-and I'm always looking to expand my network of talented candidates. Whether you're actively on the market or just curious about what's out there, I'd love to connect. Connect on LinkedIn Qualified applicants will receive consideration for employment without regard to race, color, age, religion, sex, sexual orientation, gender identity, national origin, disability, protected veteran status, or genetic information. As one of the most respected names in engineering staffing, Sterling has hundreds of opportunities with top employers. If you've got a friend or colleague seeking their next move in engineering, we could have their next opportunity. We offer a referral bonus for every referral that we place. Submit referral now.

Created: 2026-03-08