Refrigeration Assembly Technician

Sun Test Systems Inc.; Huntsville (AL); On-site; USD 38,000 - 56,000; Full time

Job summary

Sun Test Systems, Inc. in Huntsville, AL is seeking a Refrigeration Assembly Technician to join the Operations team.

You will assemble refrigeration systems and sub-assemblies, fabricate copper tubing, and ensure quality and safety while following drawings and work instructions. The role requires proficiency in cutting, bending, fitting, brazing, and soldering copper tubing, with a focus on meeting strict workmanship standards.

Qualifications

• High School Diploma or GED required.
• 1–3 years of refrigeration, HVAC, copper tubing fabrication, or mechanical assembly experience preferred.
• Brazing certification (if applicable) is a plus.

Responsibilities

• Performs mechanical assembly of refrigeration components including compressors, condensers, evaporators, receivers, valves, and line assemblies.
• Reads and interprets refrigeration schematics, mechanical blueprints, and assembly work instructions.
• Cuts, bends, routes, and fits copper tubing for refrigeration systems using manual and powered tools.
• Performs brazing and soldering of copper tubing and joints per refrigeration and HVAC standards.
• Installs and secures refrigeration and mechanical components using proper fasteners, brackets, and mounting hardware.
• Performs pressure testing, leak detection, and functional checks.
• Maintains accurate job documentation and material usage records.
• Follows all safety standards including safe operation of torches, nitrogen purging, and handling of pressurized materials.
• Collaborates effectively with supervisors, engineers, and team members.
• Other duties may be assigned.

Skills

Mechanical assembly

Copper tubing

Brazing

Soldering

Read schematics

Quality workmanship

Teamwork

Safety awareness

U.S. citizen

Physical stamina

Job description

Refrigeration Assembly Technician

Location: Huntsville, AL
Job Type: Full-Time
Department: Operations
Reports to: Operations Manager

About Us

At Sun Test Systems, we set out to build high quality ground support equipment that meets today and the future soldier’s requirements utilizing leading technology to secure performance without compromising quality. Our future vision is to be recognized in the USA as providing advanced ground support equipment to all branches of the military through an organization with the highest level of integrity and never sacrifice quality of our products. We want to be widely recognized for standing behind our products and our commitments to the satisfaction of the customer.

Position Summary

The Refrigeration Assembly Technician at Sun Test Systems is responsible for assembling refrigeration systems and sub-assemblies using mechanical assembly and copper tubing fabrication techniques. This role requires proficiency in cutting, bending, fitting, brazing, and soldering copper tubing used in refrigeration and HVAC assemblies. The technician ensures all assemblies meet quality, performance, and safety standards while following drawings, schematics, and work instructions.

Responsibilities

• Performs mechanical assembly of refrigeration components including compressors, condensers, evaporators, receivers, valves, and line assemblies.
• Reads and interprets refrigeration schematics, mechanical blueprints, and assembly work instructions.
• Cuts, bends, routes, and fits copper tubing for refrigeration systems using manual and powered tools.
• Performs brazing and soldering of copper tubing and joints per refrigeration and HVAC standards.
• Installs and secures refrigeration and mechanical components using proper fasteners, brackets, and mounting hardware.
• Performs pressure testing, leak detection, and functional checks.
• Ensures assemblies meet quality, cleanliness, and workmanship requirements.
• Maintains accurate job documentation and material usage records.
• Follows all safety standards including safe operation of torches, nitrogen purging, and handling of pressurized materials.
• Collaborates effectively with supervisors, engineers, and team members.
• Other duties may be assigned.

Skills & Competencies

• Must be a U.S. citizen.
• Mechanical assembly experience with refrigeration, HVAC, or related mechanical systems.
• Skilled in copper tubing fabrication including cutting, bending, flaring, and fitting.
• Proficient in brazing and soldering copper refrigeration lines.
• Ability to read and understand technical drawings, schematics, and mechanical instructions.
• Strong attention to detail with high-quality workmanship.
• Effective communication and teamwork skills.
• Ability to lift up to 50lbs and work in physically active environments.

Qualifications

• High School Diploma or GED required.
• 1–3 years of refrigeration, HVAC, copper tubing fabrication, or mechanical assembly experience preferred.
• Brazing certification (if applicable) is a plus.

Physical Requirements

• While performing the duties of this job, the employee is regularly required to stand, walk, sit for extended periods of time, and reach with hands and arms
• The employee frequently is required to use hands to finger, handle, or feel and talk or hearSpecific vision abilities required by this job include ability to adjust focus
• Must be able to see color to discern color-coded wiring
• Prolonged periods standing, kneeling, bending, and climbing ladders
• Must be physically capable of pulling wires and cables through conduits
• Must be able to lift up to 50 pounds at a time

Working Conditions

The work environment characteristics described here are representative of those an employee encounters while performing the essential functions of this job. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions. Work performed in a shop environment with exposure to moving mechanical parts, moderate noise, and hot-work conditions such as brazing. PPE is required.

* The above statements reflect general details necessary for the performance of the job and are not to be considered an all-inclusive list. Sun Test Systems, Inc. is a federal contractor and EEOC/Title VII/ADA compliant employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or status as a protected veteran.