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Careers

Better Buildings Start With Better Partners.

At Thermosystems, collaboration and innovation drive everything we do. Our teams tackle challenges together, deliver quality customer service with purpose, and create lasting impact. What truly fuels our success is our people. We invest in ideas, support growth, and empower each other to lead.

We're looking for curious, driven individuals eager to learn and transform as a part of our growing team. Be part of a team that embodies:

Leadership

Hard Work

Solving Problems

Integrity

Empowerment

Teamwork

Learn About Our Story Here

Why Join Us

  • You are self-motivated, driven to succeed, and dedicated helping our broader team achieve goals  
  • You are eager to learn and grow  
  • You take pride in a job well done  
  • Gain access to benefits including: 
    • Medical, Dental, and Vision Insurance 
    • Life Insurance 
    • Short Term Disability 
    • Long Term Disability 
    • 401(k) Profit Sharing 
    • Flex Spending Accounts 
    • Health Savings Accounts 
    • Personal and professional development 
    • Paid Time Off and Paid Holidays 
    • Parental Leave 
    • Tuition Reimbursement 
    • Employee Discounts 
    • And more! 

Thermosystems is an Equal Opportunity Employer. All qualified candidates will receive consideration for employment without regard to race, national origin, gender, age, religion, disability, sexual orientation, veteran status, or marital status. 

We are currently hiring for the following roles:

Our commitment is reflected in our team. Their expertise and dedication drive effective collaboration, whether it’s finding the right solution, sharing product knowledge, or responding to challenges. At Thermosystems, teamwork is at the core of everything we do. We succeed because we work together.

That’s the Thermosystems Way.

Open Positions

Service Coordinator (Romeoville, IL)

The Service Coordinator supports all aspects of customer service work by organizing schedules, tracking progress, and ensuring clear communication throughout each project. They serve as the primary liaison for customers and internal teams, helping resolve issues and ensuring a smooth, positive service experience.
Apply Here
  • Work with both internal and external customers to coordinate service work.
  • Demonstrate independent judgment by working with customers on issues regarding their service needed, finding ways to solve problems and/or troubleshoot to achieve the wanted result.
  • · Communicate with external customers on a regular basis about job status, operations, customers need, and more.
  • Offer both billing and collects support which is an integral part of the company’s financials.
  • Manage all customer service repair work orders from start to finish including scheduling, tracking, ordering parts, subcontractor management, startup management, warranty management, close-out, and invoicing.
  • Maintain great relationship with customers by providing best-in-class customer service and ensure all service requirements are met.
  • All other duties assigned.

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  • Associate degree in related field is preferred.

  • Proven experience in service coordination.

  • Previous experience working with the BuildOps Software is preferred.

  • Must have background using Microsoft 365 Suite.

 

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  • Team player and willing to help others.

  • Strong work ethic.

  • Willingness to ask questions.

  • Strong problem solving and critical thinking skills.

  • Ability to work under pressure, adapt, and meet deadlines.

  • Self-motivated and can work independently.

 

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  • Strong attention to detail.

  • Problem solving and critical thinking skills.

  • Time management and ability to prioritize.

 

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Project Engineer (Elmhurst, IL)

In this role, you’ll support the sales process by creating HVAC cost estimates, selecting equipment, and preparing technical docs. You’ll also stay current on products and build strong relationships with vendors and customers.

Apply here
  • Generate accurate cost estimates and proposals for HVAC equipment and related systems.
  • Analyze plans, specifications, and other construction documentation to prepare cost estimates.
  • Assist the sales team with HVAC equipment selections for engineers and contractors in professional and timely manner.
  • Prepare technical documentation for equipment selections/submittals.
  • Learn and stay current on HVAC product applications for the manufacturers we represent.
  • Develop relationships with manufacturers, vendors, and customers.
  • Ability to collaborate in team-driven environment
  • All other duties assigned.

 

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  • Bachelor’s degree in engineering (Mechanical engineering or related discipline) is required.
  • Proven experience in an engineering role is required.
  • 2+ years of experience in the HVAC industry preferred.

 

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  • Enjoy working in fast-paced, multi-tasking environment.
  • Attention to detail.
  • Eagerness to learn new technical product information, software, and processes.
  • Organization and time management stills to prioritize tasks and work on multiple projects at once.
  • Excellent verbal and written communication skills.
  • Superior customer service capability and professional demeanor.
  • Proficient in Microsoft 365 suite and general computer software/applications. Familiarity with Bluebeam a plus.

 

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Journeyman HVAC Service Technician (Iowa)

The HVAC Journeyman will perform maintenance of HVAC equipment to include repair and replacement of defective equipment, components, or wiring. This role will require intermediate to advanced independent diagnostics, troubleshooting, pipefitting, and brazing of CATI (Chillers) and CATII (Non-Chiller) equipment.

This position is part of the Pipefitters Local 33.

This role can be based in: 

  • Cedar Rapids, Iowa
  • Des Moines, Iowa

 

Apply For Cedar Rapids Here
Apply For Des Moines Here
  • Perform maintenance of all HVAC & applied equipment and on-site start-up procedures.
  • Repair and replace defective equipment, components, or wiring.
  • Perform intermediate to advanced independent diagnostics, troubleshooting, pipefitting, and brazing of equipment.
  • Conduct warranty service application by independently inspecting and testing systems to verify functionality for equipment.
  • Verify functionality of new equipment. Educate customers on proper use of equipment, maintenance schedule, and operating manual.
  • Problem-solve issues using reasoning and logic.
  • Communicate with individuals who installed the system.
  • Program new control systems using touchscreens and computers.
  • Assist the owner’s representatives to demonstrate that the system has been set up properly.
  • Document actions taken on the jobsite to be included with project report.
  • Direct discussions with building owners to assist with ongoing maintenance and service.
  • Prepare wiring diagrams.
  • Wear personal protective equipment when completing service tasks.
  • Complete jobsite hazard assessment prior to initiating service and adhere to safety policies and OSHA guidelines.
  • Demonstrate professionalism in appearance, verbal, and written communication. Interact with customers by offering status reports of service before, during, and after each call.
  • Explain technical information to technical and non-technical audiences.
  • Communicate potential sales opportunities to the sales staff through the quote process.
  • Record and report billing, inventory, timecards, technician tip reports, product quality reports (PQR), and articles as required.
  • Basic data entry and ability to navigate the use of email, internet, word processing programs.
  • Download programs into equipment and micro controllers. Analyze trend data to ensure optimal performance.
  • Ensure standards, policies, procedures, and maintenance of a clean work area are always upheld.
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  • Associate degree or equivalent from two-year college or technical school, with a certificate in Heating, Ventilation, and Air Conditioning.
  • 5+ years related experience with increasing responsibility; or 7+ related experience; or equivalent combination of education and experience.
  • Valid driver’s license and acceptable driving record.
  • State license or certifications as required by the market.
  • EPA approved Universal Technician Certification required, as necessary.

 

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  • Previous experience in mentoring less experienced technicians.
  • Working knowledge of Microsoft Office software products.
  • Current first aid / CPR card, OSHA 10 Certification.
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Journeyman HVAC Service Technician (Illinois)

The HVAC Journeyman will perform maintenance of HVAC equipment to include repair and replacement of defective equipment, components, or wiring. This role will require intermediate to advanced independent diagnostics, troubleshooting, pipefitting, and brazing of CATI (Chillers) and CATII (Non-Chiller) equipment.

This position is part of the Pipefitters Local 33.

This role can be based in: 

  • Romeoville, IL
  • Peoria, IL
Apply For Romeoville Here
Apply For Peoria Here
  • Perform maintenance of all HVAC & applied equipment and on-site start-up procedures.
  • Repair and replace defective equipment, components, or wiring.
  • Perform intermediate to advanced independent diagnostics, troubleshooting, pipefitting, and brazing of equipment.
  • Conduct warranty service application by independently inspecting and testing systems to verify functionality for equipment.
  • Verify functionality of new equipment. Educate customers on proper use of equipment, maintenance schedule, and operating manual.
  • Problem-solve issues using reasoning and logic.
  • Communicate with individuals who installed the system.
  • Program new control systems using touchscreens and computers.
  • Assist the owner’s representatives to demonstrate that the system has been set up properly.
  • Document actions taken on the jobsite to be included with project report.
  • Direct discussions with building owners to assist with ongoing maintenance and service.
  • Prepare wiring diagrams.
  • Wear personal protective equipment when completing service tasks.
  • Complete jobsite hazard assessment prior to initiating service and adhere to safety policies and OSHA guidelines.
  • Demonstrate professionalism in appearance, verbal, and written communication. Interact with customers by offering status reports of service before, during, and after each call.
  • Explain technical information to technical and non-technical audiences.
  • Communicate potential sales opportunities to the sales staff through the quote process.
  • Record and report billing, inventory, timecards, technician tip reports, product quality reports (PQR), and articles as required.
  • Basic data entry and ability to navigate the use of email, internet, word processing programs.
  • Download programs into equipment and micro controllers. Analyze trend data to ensure optimal performance.
  • Ensure standards, policies, procedures, and maintenance of a clean work area are always upheld.

 

Responsibilities Collapse
  • Associate degree or equivalent from two-year college or technical school, with a certificate in Heating, Ventilation, and Air Conditioning.
  • 5+ years related experience with increasing responsibility; or 7+ related experience; or equivalent combination of education and experience.
  • Valid driver’s license and acceptable driving record.
  • State license or certifications as required by the market.
  • EPA approved Universal Technician Certification required, as necessary.

 

Required Qualifications Collapse
  • Previous experience in mentoring less experienced technicians.
  • Working knowledge of Microsoft Office software products.
  • Current first aid / CPR card, OSHA 10 Certification.
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Account Executive - IL

The Account Executive – IL drives growth by building strong partnerships, uncovering new opportunities, and guiding customers through reliable HVAC solutions from first contact to project completion. This role blends strategic sales with hands‑on field engagement, making it ideal for someone who excels at communication, problem‑solving, and delivering a seamless customer experience.

Apply Here
  • 5 or more years working in the HVAC industry.
  • 5 years or more working in sales.
  • Must have background using Microsoft 365 Suite

 

 

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  • Cultivate strong business relationships to drive business development.
  • Follow up on sales leads. Which include calling, emailing, or meeting with contractors.
  • Complete regular site visits of potential or current projects. This includes visits during the installation process to provide guidance/assistance.
  • Cold calling potential new customers and building up business relationships.
  • Quote and sell preventative maintenance agreements.
  • Complete quotes for both equipment repair proposals and Turn Key Projects.
  • Communicate on a regular basis with both inside and outside customers.
  • All other duties assigned.

 

 

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  • Ability to communicate clearly and have strong communication skills in person, over the phone, and electronically.
  • Strong listening skills and problem-solving abilities.
  • Team player and willing to help others.
  • Strong work ethic.
  • Ability to work under pressure, adapt, and meet deadlines.
  • Self-motivated and can work independently.

 

 

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Business Development Manager - Data Centers

The Business Development Manager – Data Centers drives growth by shaping specifications, building deep relationships with decision‑makers, and executing targeted strategies that expand Thermosystems’ influence across priority data‑center accounts. This role blends market intelligence, C‑suite engagement, and active industry involvement to position Thermosystems as the trusted technical partner for engineers designing and operating high‑performance data‑center environments.
Apply Here

  • Minimum of 10 to15 years in the data Center market is preferred.

  • Must have worked at least 5 years in the HVAC market

  • Proven results developing business within an organization

  • Previous experience working within Microsoft 365.

 

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  • Lead forward‑thinking demand‑generation strategies to accelerate growth within the data center vertical and position Thermosystems for long-term success.

  • Build and strengthen relationships with key stakeholders, serving as a trusted consultant to increase brand consideration, influence specifications, and drive adoption of Thermosystems technologies and solutions.

  • Develop strategic acquisition and account plans, including identification of key stakeholders, articulation of tailored value propositions, and creation of targeted network‑expansion strategies. Define opportunity pursuit plans that address qualification criteria, competitive assessments, and differentiation tactics.

  • Establish and maintain C‑suite relationships across 10+ priority end users, becoming their go-to strategic partner.

  • Actively engage in tradeshows, industry associations, trainings, and related events, representing Thermosystems as a subject matter expert and enhancing brand awareness among key influencers.

  • Deliver real‑time insights on market dynamics, including competitor strategies, customer behaviors, and emerging trends, to inform business decisions and strategic direction.

  • Set and uphold high performance standards, demonstrating strong individual accountability while partnering effectively across Thermosystems business entities to support integrated efforts within the Data Center vertical.

  • All other duties assigned.

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