We are always looking for talent with HVAC, electrical, mechanical and business skills. Even if you don't see an opening that best fits you, feel free to submit your resume or complete an online application. Our team would be happy to look at your qualifications and consider you for the next open position. We are a growing company with great opportunities for career development.

Please send resume and salary requirements to:
O'Connor Group, Attn: Human Resources
Box 86636, Sioux Falls, SD 57118
Phone: (605) 336-0333 | Fax: (605) 336-8681

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  • Sioux Falls, SD

    Hydronics Project Specialist

    G & R Controls is currently seeking a qualified hydronics project specialist to provide equipment quotes for hydronic products as well as manage ongoing hydronic projects. Experience with mechanical systems or a degree in Mechanical Engineering desired. Learn More

  • Sioux Falls, SD

    Controls Intern

    G & R Controls is seeking several controls interns to install temperature control, building automation and security systems .This will involve pulling wire and terminating to devices, mounting field panels and energy management components and assisting with system start-up. Learn More

  • Fargo, ND

    Controls Intern

    G & R Controls is seeking several controls interns to install temperature control, building automation and security systems .This will involve pulling wire and terminating to devices, mounting field panels and energy management components and assisting with system start-up. Learn More

  • Fargo, ND

    HVAC Service Technician

    G & R Controls is an Independent Field Office for Siemens Industry, Inc. We sell, install and service building automation and temperature control systems. Service technician will respond to customer service call and deliver technical support to customers for building automation systems. Learn More

  • Sioux Falls, SD

    Controls Installation Technician - Electrician

    G & R Controls is an Independent Field Office for Siemens Industry, Inc. We sell, install and service building automation and temperature control systems. Technician will install temperature control, building automation and security systems. Learn More

  • Fargo, ND

    HVAC System Specialist

    O’Connor Group provides HVAC equipment, controls and balancing solutions for commercial and institutional facilities. We have offices in Sioux Falls and Rapid City South Dakota, and Fargo and Bismarck North Dakota. We are a growing company with great opportunities for career development Learn More

  • Sioux Falls, SD

    Accounting Assistant (Part Time)

    G & R Controls is seeking a part-time accounting assistant to assist in various areas of the account department including payables, time sheets, tax exemption & insurance certificates, 1099's, etc. This position requires 20-25 hours per week with flexibility in scheduling. Learn More

  • Southwest Minnesota

    HVAC Controls Technician

    G & R Controls is an Independent Field Office for Siemens Industry, Inc. Controls Technician will install temperature control, building automation and security systems. Learn More

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