Overview WHY COOLSYS? At CoolSys, we offer more than just a job—we provide stability, growth, and industry-leading benefits for our employees. No wonder Newsweek named CoolSys one of America’s Greatest Workpl…
Company Description About AbbVie AbbVie's mission is to discover and deliver innovative medicines and solutions that solve serious health issues today and address the medical challenges of tomorrow. We strive to have a r…
Skills: Python, Machine learning, Data science, Biologics, Process development
Company Description About AbbVie AbbVie's mission is to discover and deliver innovative medicines and solutions that solve serious health issues today and address the medical challenges of tomorrow. We strive to have a r…
Skills: Python, SQL, Data engineering, Cloud platforms, ETL/ELT
Company Description About AbbVie AbbVie's mission is to discover and deliver innovative medicines and solutions that solve serious health issues today and address the medical challenges of tomorrow. We strive to have a r…
Company Description About AbbVie AbbVie's mission is to discover and deliver innovative medicines and solutions that solve serious health issues today and address the medical challenges of tomorrow. We strive to have a r…
Company Description About AbbVie AbbVie's mission is to discover and deliver innovative medicines and solutions that solve serious health issues today and address the medical challenges of tomorrow. We strive to have a r…
Skills: Microsoft 365, Product ownership, Change management, User adoption, Stakeholder management
Job Location NORTH CHICAGO PLANT Job Description The Start-Up Leader at our North Chicago Plant is a critical role responsible for owning and leading the overall change management, successful start-up, and validation of …
Job Location NORTH CHICAGO PLANT Job Description The Start-Up Leader at our North Chicago Plant is a critical role responsible for owning and leading the overall change management, successful start-up, and validation of …
Company Description About AbbVie AbbVie's mission is to discover and deliver innovative medicines and solutions that solve serious health issues today and address the medical challenges of tomorrow. We strive to have a r…
Skills: Master Production Scheduling, Inventory Control, Production Activity Control, Materials Requirement Planning, Supply Chain Management
Company Description About AbbVie AbbVie's mission is to discover and deliver innovative medicines and solutions that solve serious health issues today and address the medical challenges of tomorrow. We strive to have a r…
Skills: Engineering, Data analysis, Project management, cGMP regulations, Quality assurance
Company Description About AbbVie AbbVie's mission is to discover and deliver innovative medicines and solutions that solve serious health issues today and address the medical challenges of tomorrow. We strive to have a r…
Work Arrangement: Hybrid Clearance: Active DoD Secret Start: Based on Contract Award Foxhole Technology provides robust cybersecurity and IT support capabilities for federal civilian and defense agencies. A recognized le…
Skills: Systems engineering, Enterprise architecture, Cloud architecture, Cybersecurity, Technical leadership
Associate Director, Commissioning and Start-Up Engineering
North Chicago, Illinois, United States · On-site
$142k–$269k/yr
Senior+
Company Description About AbbVie AbbVie's mission is to discover and deliver innovative medicines and solutions that solve serious health issues today and address the medical challenges of tomorrow. We strive to have a r…
Company Description About AbbVie AbbVie's mission is to discover and deliver innovative medicines and solutions that solve serious health issues today and address the medical challenges of tomorrow. We strive to have a r…
Skills: Validation, Commissioning, Qualification, Risk management, Computer system validation
Company Description About AbbVie AbbVie's mission is to discover and deliver innovative medicines and solutions that solve serious health issues today and address the medical challenges of tomorrow. We strive to have a r…
Company Description About AbbVie AbbVie's mission is to discover and deliver innovative medicines and solutions that solve serious health issues today and address the medical challenges of tomorrow. We strive to have a r…
Company Description About AbbVie AbbVie's mission is to discover and deliver innovative medicines and solutions that solve serious health issues today and address the medical challenges of tomorrow. We strive to have a r…
Skills: Restricted substances management, Regulatory compliance, EU REACH, EU RoHS, Project management
Company Description About AbbVie AbbVie's mission is to discover and deliver innovative medicines and solutions that solve serious health issues today and address the medical challenges of tomorrow. We strive to have a r…
Skills: Software development, Data integration, Infrastructure environments, Python, Java
Principal Research Scientist II Central Core Function Operations Leader
North Chicago, Illinois, United States · On-site
$142k–$269k/yr
Senior+
Company Description About AbbVie AbbVie's mission is to discover and deliver innovative medicines and solutions that solve serious health issues today and address the medical challenges of tomorrow. We strive to have a r…
Company Description About AbbVie AbbVie's mission is to discover and deliver innovative medicines and solutions that solve serious health issues today and address the medical challenges of tomorrow. We strive to have a r…
Skills: Automation Engineering, Strategic Leadership, Capital Project Management, Process Control Systems, Digital Infrastructure
The technician is responsible for performing repairs and maintenance on a wide range of HVAC and refrigeration equipment, including furnaces, boilers, and walk-in coolers. They must ensure systems are functioning correctly while maintaining excellent customer relations.
Requirements
Candidates must have at least 4 years of commercial HVAC and refrigeration experience and hold an active EPA certification. A valid driver's license and the ability to perform physical tasks like lifting 50 lbs and climbing ladders are required.
Full job description
Overview
WHY COOLSYS?
At CoolSys, we offer more than just a job—we provide stability, growth, and industry-leading benefits for our employees. No wonder Newsweek named CoolSys one of America’s Greatest Workplaces! As a large company serving diverse customers, we invest in our team with:
Competitive Compensation: $25-$50/HR. Up to $10,000 Sign On Bonus!
Ongoing Education & Training: Access to state-of-the-art facilities and paid online training.
Comprehensive Benefits: Medical, Dental, Vision, and Prescription coverage, paid vacation/holidays, and a 401(K).
Year-Round, Diverse Work: Stay engaged with consistent, interesting projects throughout the year, working across various industries and systems to keep learning and growing.
Extra Perks: Quarterly bonus plan, tuition reimbursement, employee discounts on vehicles, hotels, theme parks, pet insurance, and more.
Join us and advance your career while working with top-tier clients in the HVAC and refrigeration industry!
Responsibilities
The HVAC/R Technician role is primarily responsible for performing repairs and maintenance to a variety of HVAC and Refrigeration equipment including air conditioning, electric motors, heating units, heat pumps, hermetic compressors, commercial furnaces, boilers, burners, intake and exhaust fans, economizers and humidifiers, RTUs, remote condensing units, ice machines, walk-in coolers & freezers, and upright refrigerators & freezers.
Qualifications
4+ years of commercial experience as an HVAC and Refrigeration Technician
Active EPA Certification
Valid driver's license
Excellent customer relations and interpersonal skills
Mechanical aptitude and troubleshooting skills
Ability to safely lift to 50 lbs., climb and balance on a ladder, and work in elevated/high locations.
#hvac #refrigeration #icemachine #EPA
Join Us
Today, there are 26 different companies that make up the CoolSys family of brands. Our valued employees are at the heart of our continued growth and success. We invite you to be part of that growth!
Coolsys is an EEO/AA Employer. All qualified individuals - Including all ages, colors, disability, ethnicity, family or marital status, gender identity or expression, language, national origin, physical and mental ability, political affiliation, race, religion, sexual orientation, socio-economic status, veteran status, and other characteristics are encouraged to apply.
Pre-employment background screening (criminal and MVR for driving positions) and drug testing are required for all positions. Coolsys will consider qualified applicants with criminal histories in a manner consistent with federal law, state law, or local ordinance.
Sr, senior, Service Tech, refridgeration, HVAC, refrigeration, HVAC-R, HVAC/R, diagnostic, commercial, service, install, mechanical, mechanic, apprentice, AC, field service, chiller, specialist, HVACR, supermarket, rack systems
Related keywords
HVACRefrigerationService TechnicianEPA CertificationCommercial HVACCompressorBoilerFurnaceHeat PumpRTUIce MachineWalk-in CoolerMechanicalTroubleshootingMaintenanceField Service
CoolSys solves the most complex challenges in refrigeration, air conditioning, heating, engineering, and energy management.
Operating nationwide, our team of over 3,700 experts delivers tailored solutions to help businesses cut costs, optimize critical equipment performance, and lower emissions.
Our services encompass HVAC and refrigeration equipment sourcing, installation, repair, maintenance, monitoring, optimization, and expertise in low-GWP transition. We also offer MEPR/FP engineering and design-build services, integrated energy supply resilience and consumption optimization solutions, as well as used asset recycling and seamless multi-site rollouts across multiple states.
Based in Southern California since 1997, CoolSys serves over 45,000 customer locations across various industries, including grocery, retail, industrial, data centers, education, healthcare, and government.
Recently recognized by Newsweek as one of America’s Greatest Workplaces, CoolSys has experienced remarkable growth through a combination of strategic acquisitions and organic expansion. We collaborate with companies that prioritize safety, excel in customer service, and uphold strong financial performance.
To stay current on our professional solutions—engineering, program management, energy optimization, resilience, and equipment and facility solutions—follow CoolSys Professional Solutions:
To learn more, visit coolsys.com
Offices: 145 S. State College Blvd., Ste. 200, Brea, CA 92821, US · 4275 N. Palm St. Suite 100, Fullerton, CA 92835, US · 15800 International Plaza Dr., Houston, TX 77032, US · 1166 National Dr, Sacramento, California 95834, US · 645 E Missouri Ave., Phoenix, AZ 85012, US
HVACRefrigerationEnergy SavingsEmissions ReductionNatural Refrigerant ConversionCO2 Based SystemsHigh Energy Efficiency SolutionsMEPR/FP DesignEnergy ResilienceCoGeneration Solutions
How much do Engineering jobs in North Chicago, IL pay?
Based on 221 listings with disclosed salaries, most engineering jobs in North Chicago, IL pay between $75k–$237k per year. Individual offers vary with seniority, company size, and specialization.
How many Engineering jobs are open in North Chicago, IL right now?
There are currently 227 open engineering positions in North Chicago, IL listed on Clera. New openings are added daily as companies post roles.
Which companies are hiring for Engineering roles in North Chicago, IL?
Companies currently hiring include Allergan, Abbott, CoolSys - Refrigeration and HVAC Systems, Procter & Gamble, Bilfinger North America, among others. Browse the listings above to see every active employer.
Are there remote or hybrid Engineering jobs in North Chicago, IL?
Yes — 21 of the 227 open engineering positions offer remote or hybrid work (2 remote, 19 hybrid).
How do I apply for Engineering jobs in North Chicago, IL?
Each listing links directly to the employer's application page. Apply early — fresh listings get the most recruiter attention in the first two weeks.