Careers at GRP



Bethalto, IL

GRP is looking for two Design Build Engineers. Successful candidates will have at least 5 years of Energy and HVAC experience either through focused education in the area or in the field experience. Bachelors of Science in Mechanical Engineering or related HVACR Engineering Technology Degree. PE or path to a PE.  Other energy related certifications, CEA, CEM, LEED are a plus.

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Commercial HVAC Project Manager/Estimator

Bethalto, IL

GRP is looking for a Commercial HVAC Project Manager/Estimator. This position requires an individual with 5 plus years of experience in estimating and managing Commercial HVAC projects.  Strong experience on the piping side is preferred.  Good communication and customer management skills are essential. The ability to effectively orchestrate Company’s team,both field and office, to provide solid solutions for the customer’s needs is mandatory.

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Interested Applicants please send resume and cover letter to:


At GRP, we take care of our team members, offering competitive benefits.

Medical Insurance Benefits

GRP pays employee health, dental and vision premiums for all employees who meet eligibility requirements (+30 hours per week average).

Paid Time Off & Holidays

Seven observed holidays; One week paid vacation initial year and additional time accumulated annually; paid sick time, personal days and bereavement pay.


401(k) Plan:  Employer matches 100% of the first 3% of wages and 50% of the next 2% of wages. Eligible to participate the first of the quarter following completion of 90 days of qualifying employment.

Excellent Culture of Respect and Teamwork

GRP has a culture of respect, authenticity, and teamwork. We are a dedicated team of employees who put safety and integrity at the forefront. As an organization that understands the vitality of supporting our employees in their challenges, concerns, and preferences; we strive for a culture of support and teamwork.