Experienced Ammonia Service Technician

Company: Carlson & Stewart Refrigeration
Location: Sioux Falls
Posted on: February 9, 2026

Job Description:

Job Description Job Description Ammonia Refrigeration Service Technician Location: Sioux Falls, SD Employment Type: Full-Time, Permanent Carlson & Stewart Refrigeration, Inc. is a Midwest leader in industrial and commercial refrigeration and is seeking a full-time Ammonia Refrigeration Service Technician to join our Sioux Falls team. This position is ideal for a technician who enjoys working on a variety of equipment, solving customer challenges, and working as part of a professional, safety-focused team. Position Summary The Ammonia Refrigeration Service Technician is responsible for the maintenance, diagnosis, repair, and installation of ammonia (NH3) refrigeration systems. Successful candidates will be able to troubleshoot system issues and perform necessary repairs and installations while working independently in the field. What We Offer Full-time, permanent position Weekly pay Competitive hourly wage based on experience Per diem for overnight travel Company apparel allowance Comprehensive benefits package Key Responsibilities Maintain, diagnose, and repair ammonia refrigeration systems Troubleshoot mechanical, electrical, and system-related issues Perform installations and system repairs using ammonia refrigerants Follow all company safety policies and procedures Develop and maintain excellent customer relationships Work independently and as part of a professional service team Participate in on-call rotation, including nights and weekends as required Qualifications Valid driver’s license with a safe driving record Ability to climb ladders, work at heights, and lift up to 50 pounds Strong verbal and written communication skills Detail-oriented, motivated, and dependable Commitment to safety and quality workmanship Experience 3 to 5 years of hands-on experience with ammonia refrigeration systems required Benefits Health, Dental, and Vision Insurance Paid Vacation and Holidays 401(k) Retirement Plan Short-Term and Long-Term Disability Life Insurance and AD&D Optional Supplemental Life Insurance Employee Referral Incentives hc219492

Keywords: Carlson & Stewart Refrigeration, Sioux Falls , Experienced Ammonia Service Technician, Engineering , Sioux Falls, South Dakota