Hvac Engineer Jobs in Illinois
Hvac Engineer jobs in Illinois are consistently active, with demand concentrated in commercial construction, industrial facilities management, and large-scale building systems across the Chicago metropolitan area, Rockford, and Peoria. Major employers with a lasting footprint in Illinois include Siemens, Johnson Controls, and Pepper Construction, all of which regularly hire hvac engineers from entry-level design roles through senior project and systems engineers. The most in-demand specialties are building energy modeling, controls integration, and mechanical systems commissioning. Find a role that fits below and apply directly.
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POSITION SUMMARY
A Cooling Customer Engineer Site Leader is responsible for installation, commissioning, scheduled and emergency service on Liebert Air products. The Site Lead is required to establish, promote and maintain excellent rapport with all customers, co-workers, sales representatives and others as appropriate. The Site Lead is also required to maintain continuous communication with Area/District Offices, and direct manager.
RESPONSIBILITIES
ROLE
- Rely on direction to accomplish goals
- Perform a number of work-related tasks
- Capable of working under direct supervision or independently based upon training
- Maintain certifications per Job requirements
TECHNICAL
- Render on site and phone assistance to customers.
- Communicate with National Technical Support on equipment issues
- Perform work related tasks according to company guidelines for scheduled maintenance
- Implement Field Change Notices according to published guidelines
- Keep current on Safety Bulletins, Safety Field Change Notices, Field Change Notices, and Service Tips
SAFETY
- Operate in a safe manner in accordance with published safety guidelines
- Must wear appropriate PPE as per company guidelines and accordance with job duties
- Adhere to work hours policy guidelines – “14 hours rule”
- Report all work related accidents or injuries within 24 hours to the appropriate personnel.
ADMINISTRATION
- Provide accurate and timely reporting according to company guidelines
- Timecards, expense reports, mileage reports, ticket closure, forms et al.
- Maintain individual inventory in accordance with company policy
- Maintain company property according to company policies
- Vehicle, credit cards, PPE, test equipment, laptop, pager, et al.
CUSTOMER SATISFACTION
- Provide proper and adequate communication to internal and external customers
- Provide estimated time of arrival to the customer for where applicable
- Complete scheduled maintenance documentation properly and provide to the customer and local office upon completion of each designated assignment
- Strive to provide all customers a “first time fix” for their equipment
- Maintain customer satisfaction rates according to company guidelines
- Attend Customer Meetings as required
PERFORMANCE
- Maximize productivity by combining service opportunities
- Complete all work in an efficient and timely manner
- Capable of making technical and commercial decisions under pressure
- Properly evaluate site and equipment for appropriate billing status
- Maintain productive utilization rate according to company guidelines
- Perform inventory cycle counts according to company guidelines
- Adhere to company dress code and safety regulations
- Meet or exceed on-site response time requirements for each customer
- Understand and comply with company startup/escalation processes and procedures
- Maintain proper and adequate level of internal communications
- Managers, co-workers, Support Services, electronic communications, et al.
- Perform several work-related tasks
- Capable of working under direct supervision or independently based upon training Maintain certifications per Job requirements
QUALIFICATIONS
- High School Diploma or G.E.D. equivalent
- HVAC – Certificate Program degree or equivalent experience in the field., Six years military experience in a related field or Equivalent industry experience with EPA refrigerant license
- Basic electrical knowledge
- Interpersonal Skills
- Professional
- Reliable
- Team Player
- Familiarity with electrical / electronic test equipment and fundamentals
- Must be able to read and interpret electrical line diagrams and blueprints
- Working knowledge of OHM’s law and HVAC theory
- Technical skills
- Ability to make basic site evaluation skills to include: environmental temperature, and general operating conditions
- Elementary fix/repair techniques based on directed supervision
- Capable of completing tasks and return unit to full operating conditions based upon directed supervision
- Ability to summarize and report all work related tasks performed
- Strong skill sets:
- Communication skills
- Customer service skills
- Troubleshooting skills
- Safety procedures
- Organizational and planning skills
- Computer skills Mechanical aptitude
PHYSICAL & ENVIRONMENTAL DEMANDS
While performing duties of the above jobs, the associate is regularly required to stand, walk, use hands and fingers, handle or feel objects, tools or other components; reach with hands and arms; stoop, kneel, crouch, or crawl; talk, hear and smell. The associate frequently is required to sit and climb or balance. Specific vision abilities required by this job include close vision, distant vision, color vision, peripheral vision, depth perception, and the ability to adjust focus. Frequent driving (car, van, truck). Must be able to consistently lift up to 50 pounds and occasionally up to 75 poundsNotes: Vertiv will make reasonable accommodations whenever necessary for all qualified employees or candidates with disabilities (as defined by applicable law), provided that (1) the individual is otherwise qualified to safely perform the essential functions of the job and (2) such accommodations due not impose an undue hardship.
- Extreme cold (below 32*)
- Extreme heat (above 100*)
- Noise Level (Medium / High need to shout to be heard)
- Working around moving machinery (fork-lifts, tractors)
- Protective Equipment Required (earplugs, gloves, eyewear, respirator, mask, etc.) Work outdoors (no effective protection from weather)
WORKING CONDITIONS:
- Travel is required
- Flexible schedules (weekends, evenings, and holidays)
- May have on-call responsibility
- Valid driver’s license
- Must be at least 18 years old
See All 17 Hvac Engineer Jobs in Illinois
Find roles in Illinois that match your experience and apply in just a few clicks.
Find Hvac Engineer JobsHvac Engineer Jobs by City in Illinois
Where Illinois roles are concentrated, by current openings.
Hvac Engineer Job Market in Illinois
A snapshot from current Illinois openings, updated as new roles post.
Who's Hiring
- Sargent & Lundy10

- CBRE1

- Vertiv1

- Oak View1

- Skill Fill1

What Illinois Employers Look For
The qualifications that appear most often in hvac engineer jobs across Illinois.
- Licensed Professional Engineer (PE) registration in Illinois through IDFPR preferred for senior roles
- Bachelor's degree in mechanical engineering or a closely related engineering discipline required
- Proficiency with HVAC design software such as AutoCAD, Revit MEP, or Trane TRACE
- Hands-on experience with commercial or industrial HVAC system design and load calculations
- Familiarity with ASHRAE standards and Illinois Energy Conservation Code requirements
- Strong project coordination skills and ability to manage multiple active engineering submittals
Hvac Engineer Jobs in Illinois: Frequently Asked Questions
How do you become a hvac engineer in Illinois?
Most hvac engineers in Illinois start with a bachelor's degree in mechanical engineering, then gain field experience before pursuing Professional Engineer licensure through the Illinois Department of Financial and Professional Regulation. The PE exam pathway requires passing the Fundamentals of Engineering exam early in your career, accumulating qualifying work experience, and then passing the Principles and Practice of Engineering exam. ASHRAE certifications such as the Building Energy Assessment Professional credential are valued additions in the Illinois market.
Which companies hire hvac engineers in Illinois?
Employers hiring hvac engineers in Illinois right now include Sargent & Lundy, CBRE, and Vertiv, based on current listings on Migrate Mate as of November 2026. Illinois's dense concentration of commercial high-rises, university campuses, and manufacturing facilities keeps a broad range of engineering firms and facility management companies actively recruiting throughout the year.
Which Illinois cities have the most hvac engineer jobs?
The Illinois cities with the most hvac engineer openings are Chicago, Warrenville, and Evanston. Chicago dominates due to its volume of large commercial construction projects, corporate headquarters, and healthcare campuses, while Rockford and Peoria draw steady demand from regional industrial manufacturers and institutional facilities that rely on in-house or contracted hvac engineering support.
Are there remote hvac engineer jobs in Illinois?
Yes, but they're rare. About 100% of hvac engineer openings tied to Illinois are remote or hybrid as of November 2026, reflecting the hands-on, site-dependent nature of most hvac engineering work. The portions of the role most likely to be done remotely are energy modeling, load calculations, and design documentation, while commissioning, site inspections, and equipment startups require in-person presence.
How can I get hired as a hvac engineer in Illinois with little or no experience?
The most realistic entry path is an engineering internship or co-op with a Chicago-area MEP consulting firm or a large facilities management company, where you work alongside licensed engineers on real projects. Firms like Affiliated Engineers and environmental engineering consultancies in the Chicago metro regularly bring on new graduates for junior designer or field engineer roles. Passing the Fundamentals of Engineering exam before graduation signals readiness to Illinois employers and gives you a competitive edge over candidates who haven't yet started the PE pathway.
Where can I find and apply to hvac engineer jobs in Illinois?
You can find and apply to hvac engineer jobs in Illinois on Migrate Mate, which lists current Illinois openings across commercial, industrial, and institutional employers. Find roles that fit your experience and specialization and apply directly to the ones that match.
See All 17 Hvac Engineer Jobs in Illinois
Find roles in Illinois that match your experience and apply in just a few clicks.
Find Hvac Engineer Jobs