Mechanical Journeyman

Comfort Systems USA; Knoxville (TN); On-site; USD 55,000 - 75,000; Full time

Job summary

Comfort Systems USA is seeking a skilled Mechanic to support mechanical service and retrofit work. This role involves sheet metal modifications, piping work, gasket and valve replacements, and precise torquing in mechanical rooms, rooftops, and active job sites.

Candidates should have hands-on experience in mechanical service, piping, HVAC, plumbing, or industrial maintenance, with strong safety awareness and the ability to travel to construction sites as needed.

Qualifications

• Hands-on experience in mechanical service, piping, HVAC mechanical, plumbing, or industrial maintenance.
• Working knowledge of flanges, gaskets, valves, and mechanical connections.
• Proper tool use including torque tools.
• Jobsite safety practices and hazard awareness.
• Ability to follow written and verbal instructions and work safely in active job environments.
• Travel to construction sites as needed.

Responsibilities

• Perform sheet metal modification and installation to support mechanical equipment, ducting interfaces, and field-fit needs.
• Remove and replace pipe gaskets; prepare flange faces, align flanges, and verify fit-up and sealing surfaces.
• Complete chiller valve replacements (isolation, removal/replacement, reassembly, and checks).
• Install flanged pipe couplings and hardware; torque to specification with appropriate tools.
• Execute lockout/tagout (LOTO) per procedure and verify zero-energy state.
• Read and work from job documentation to complete tasks correctly the first time.
• Maintain a clean, safe work area; use PPE; follow safety policies and jobsite rules.
• Communicate status, material needs, and field issues to supervisor/foreman; document completed work.
• Use and maintain torque wrenches and standard mechanical hand/power tools.
• Support troubleshooting and basic mechanical service tasks; escalate when needed.

Skills

Mechanical service

Piping

HVAC

Plumbing

Industrial maintenance

Tools

Torque wrenches

Hand tools

Power tools

Job description

Position Summary

The Mechanic supports mechanical service and retrofit work by performing sheet metal modifications/installation and mechanical piping tasks including gasket replacement, valve replacements, flanged coupling installation and torquing, and strict Lockout/Tagout (LOTO) execution. This role works safely, follows job specifications and torque requirements, and produces high-quality work in mechanical rooms, rooftops, and active job sites.

Key Responsibilities

• Perform sheet metal modification and installation to support mechanical equipment, ducting interfaces, and field-fit needs.
• Remove and replace pipe gaskets; prepare flange faces, align flanges, and verify proper fit-up and sealing surfaces.
• Complete chiller valve replacements (isolation support, removal/replacement, reassembly, and operational checks per job requirements).
• Install flanged pipe couplings and hardware; torque to specification using appropriate tools and documented torque requirements.
• Execute LOTO: identify energy sources, isolate equipment, apply lockout/tagout devices, and verify zero-energy state per procedure.
• Read and work from job documentation (drawings, specs, work orders) to complete tasks correctly the first time.
• Maintain a clean, safe work area; use PPE; follow all safety policies and jobsite rules.
• Communicate job status, material needs, and field issues to the supervisor/foreman; document completed work as required.
• Use and maintain tools and equipment properly, including torque wrenches and standard mechanical hand/power tools.
• Support troubleshooting and basic mechanical service tasks within your skillset; elevate issues when needed.

Requirements

• Demonstrated hands-on experience in mechanical service, piping, HVAC mechanical, plumbing, or industrial maintenance
• Working knowledge of:
• Flanges, gaskets, valves, and mechanical connections
• Proper tool use including torque tools
• Jobsite safety practices and hazard awareness
• Ability to follow written and verbal instructions and work safely in active job environments.
• Must be able to travel to construction sites as needed

Physical Requirements

• Ability to understand oral and written instructions; effective verbal communication.
• Compliance with company dress code and appearance standards.
• Visual acuity for reading small print and identifying details on equipment and drawings.
• Frequent standing, walking, sitting, and use of hands for handling materials and tools.
• Ability to lift and move up to 50 lbs frequently and over long distances (30+ feet).
• Comfortable working at heights over 30 feet and climbing ladders or stairs.
• Ability to bend, kneel, and work in confined spaces; perform repetitive motions as needed.
• Work in varying weather conditions and environments.