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Careers

Thermosystems 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:

Open roles are located in Illinois (Elmhurst or Romoeville) and Iowa (Cedar Rapids, Des Moines). 

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 (Des Moines, IA)

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 Manager (Elmhurst, IL)

As a Project Manager, you are responsible for all managerial and administrative aspects of a wide range of mechanical processes. This role requires one to work with internal and external team from project kick-off to close out activities. There is a balance of independent and team oriented work.

Apply here

  • Responsible for all managerial and administrative aspects of a wide range of mechanical processes including estimating, scheduling, quality control, progress reports, progress billing, design review, coordination, and more.

  • Coordinate project kick-off meetings, progress meetings, and close out activities.

  • Gather project requirements directly from clients and facilitate preparation of working drawings.

  • Work both independently and alongside management to prepare/submit project propels.

  • Serve as the primary liaison between customers, vendors, engineers, and internal teams.

  • Manage subcontractors, suppliers, and field personnel to ensure project milestones are met.

  • All other duties assigned.

Responsibilities Collapse

  • Bachelor’s degree in related field is required.

  • Minimum of 5 years’ experience managing projects.

  • Previous experience working in HVAC is preferred.

  • Previous experience working with Microsoft 365 required.

  •  
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  • Strong communication skills and attention to detail.

  • Ability to work on multiple tasks at once.

  • Easily adapt to new situations and challenges.

  • High mechanical and electrical aptitude.

  • Works well individually with limited supervision.

  • Highly organized and a reliable team player.

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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.

 

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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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.
Preferred Qualifications Collapse

Senior Service Coordinator, Illinois

The Sr. Service Coordinator keeps oversees scheduling and dispatching of service technicians. Alongside this, they serve as a key link between customers, technicians, manufacturers, and internal teams when managing end-end processes for warranty. This role involves all phases of service projects.

Apply Here
  • Associate or bachelor’s degree in business administration, mechanical engineering, or related field preferred.
  • Minimum 5+ years of experience in service coordination or operations management within the mechanical or HVAC industry.

Qualifications Collapse
  • Oversee and prioritize the scheduling and dispatching of service technicians based on workload, location, and expertise.
  • Own the end‑to‑end manufacturer warranty process, including factory communication, claim submission, documentation management, follow‑up, and reconciliation to maximize warranty recovery and minimize financial exposure.
  • Serve as the main point of contact for key customers, managing escalations and complex service needs with professionalism and urgency.
  • Manage all phases of service projects—from scheduling and parts procurement to close-out and invoicing.
  • Collaborate with Service Managers to monitor backlog, forecast labor needs, and ensure profitability and operational efficiency.
    Review technician reports, time entries, and materials for accuracy prior to billing.
  • Support warranty management, equipment startups, and subcontractor coordination.
  • Partner with accounting to track billing progress, verify invoicing accuracy, and support collections efforts when necessary.
  • Identify and implement process improvements to enhance service delivery and communication flow.
  • Prepare and present service reports, and updates to management.
  • Support and optimize use of service software systems including BuildOps and Microsoft 365 tools.
  • Perform other duties as assigned.


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  • Proven ability to manage multiple service projects and customer accounts simultaneously.
  • Strong financial understanding of billing, cost control, and margin management.
  • Experience using BuildOps or similar service management software preferred.
  • Proficient in Microsoft 365 Suite (Excel, Outlook, Teams, Word, and SharePoint).
    Exceptional communication, organization, and leadership skills.
  • Ability to work independently and exercise sound judgment in a fast-paced environment.


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Controls Field Engineer

As an HVAC Controls Field Engineer you are responsible for providing job site oversight for installation of Building Automation Systems & Controls. Your supervision is critical to the success of our contracting controls business: installation, programming, system integration, functional testing, commissioning, and owner-training for a building automation system. You will collaborate with Design Engineers, System Integrators and Programmers to ensure that projects are delivered on time and fully functional.

Apply Here

  • B.S. Mechanical Engineer, Electrical Engineering or a related field

  • Working knowledge using Microsoft 365 suite + Visio + Bluebeam + Niagara Workbench

 

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  •  Supervise installation of electrical subcontractors

  • Assist in trim and terminating field devices (e.g. sensors, actuators, etc.) as required

  • Perform Point-to-Point verification

  • Perform functional testing to verify sequence of operations

  • Perform commissioning of customer graphics

  • Document of Field Verification and Testing

  • Owner Training & Operational Demonstration Presentation

  • Troubleshooting hardware & software (e.g. field program controllers, network Integration of controllers, etc.)

  • Stay updated with the latest industry trends and technologies.

  • Understand project scope and execute duties in timeline required

  • All other duties assigned

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  • Strong problem-solving and decision-making abilities, with a focus on practical solutions that exceed client expectations

  • Excellent people skills, with the ability to build rapport and establish trust with internal and external stakeholders

  • Demonstrated ability to work independently and collaboratively in a demanding environment

 

Knowledge, Skills, and Abilities Collapse

Controls System Integrator

As an HVAC Controls Systems Integrator you are responsible for integrating a building automation network and creating front-end system graphical interfaces for building operators. Your technical abilities are critical to the success of our contracting controls business: installation, programming, system integration, functional testing, commissioning, and owner-training for building automation systems. You will collaborate with Design Engineers, Programmers and Field Engineers to ensure that projects are delivered on time and fully functional.

Apply Here

  • B.S. Mechanical Engineer, Electrical Engineering or a related field

  • Working knowledge using Microsoft 365 suite + Visio + Bluebeam + Niagara Workbench

 

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  • Integrate various manufactures of DDC/PLC style controllers to form a reliable building automation network

  • Create Tridium/Niagara based, accurate graphic interfaces for building operators

  • Collaborate with vendors to produce graphical floor plans, unit schematics, and graphical schedules for building operations

  • Assist field engineers in point to point check out and commissioning graphics

  • Assist field engineers in Owner Training & Operational Demonstration Presentation

  • Develop and maintain graphics library and graphics standards

  • Stay updated with the latest industry trends and technologies.

  • Understand project scope and execute duties in timeline required

  • All other duties assigned

 

Responsibilites Collapse

  • Strong problem-solving and decision-making abilities, with a focus on practical solutions that exceed client expectations

  • Excellent people skills, with the ability to build rapport and establish trust with internal and external stakeholders

  • Demonstrated ability to work independently and collaboratively in a demanding environment

 

Knowledge, Skills, and Abilities Collapse

Controls Design Engineer

As an HVAC Controls Design Engineer you are responsible for delivering a complete control system design based on contract documents (e.g. plans & specifications) or self-developed design/build scope of work. Your design is the operational foundation for our controls contracting business: installation, programming, system integration, functional testing, commissioning, owner-training for a building automation system.

Apply Here

  • B.S. Mechanical Engineer, Electrical Engineering or a related field

  • Working knowledge using Microsoft 365 suite + Visio + Bluebeam + Niagara Workbench

 

Qualifications Collapse

  • Developing or refining an accurate scope of work for a project

  • Developing and writing appropriate control sequences and coordination with programmers for quality control

  • Design control panel layout for fabrication

  • Selecting and specifying appropriate components required for proper operation

  • Develop a project bill of materials for project cost estimate

    · Create submittal documents with detailed schematics, sequences of operation, wiring diagrams, panel layouts and details

  • Provide technical support to field engineers for installation, functional testing and graphic commissioning

  • Ensure all controls systems comply with industry standards, codes, and regulations

  • Stay updated on the latest advancements in HVAC controls technologies and industry best practices

  • Implement and maintain quality control processes to ensure high standards of workmanship

  • Understand project scope and execute duties in timeline required

  • All other duties assigned

 

Responsibilites Collapse

  • Strong problem-solving and decision-making abilities, with a focus on practical solutions that exceed client expectations

  • Excellent people skills, with the ability to build rapport and establish trust with internal and external stakeholders

  • Demonstrated ability to work independently and collaboratively in a demanding environment

 

Knowledge, Skills, and Abilities Collapse

Project Engineer (Elmhurst, IL)

The Project Engineer has a key role in evaluating project requirements, assisting with HVAC solution selections, and supporting customers from design through implementation. Success in this role requires strong technical knowledge, attention to detail, and the ability to collaborate with internal and external project teams.
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.

 

Responsibilities Collapse
  • 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

 

Qualifications Collapse
  • 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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Inside Sales Team Member - Parts Division (Romeoville, IL)

The Inside Sales Team Member – Parts Division serves as a key resource for customers, helping resolve equipment and parts needs while supporting a positive service experience. They coordinate with contractors, vendors, and internal teams to keep projects moving and ensure customers receive accurate, timely support.
Apply Here

  • Works and communicates with inside and outside customers.

  • Assist with incoming calls, emails, and in-store customers. This includes identifying correct parts, providing conflict resolutions for contractors, and coordinating questions revolving around our equipment/product.

  • Accurately identify parts.

  • Process revenue and/or warranty orders revolving around part equipment/product.

  • Generate part quotes and equipment proposals for customers.

  • Load and unload trucks/customer vehicles.

  • Provide training to new parts personnel employees.

  • All other duties assigned.

 

Responsibilities Collapse

  • Previous knowledge of HVAC equipment.

  • Computer knowledge and experience with the Microsoft 365 suite.

 

Qualifications Collapse

  • Strong communication skills and attention to detail.

  • Ability to work on multiple tasks at once.

  • Easily adapt to new situations and challenges.

  • High mechanical and electrical aptitude.

  • Works well individually with limited supervision.

  • Highly organized and a reliable team player.

 

Knowledge, Skills, and Abilities Collapse

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