Mechanical Journeyman

Comfort Systems USA; Charleston (SC); On-site; USD 42,000 - 62,000; Full time

Job summary

Comfort Systems USA in Charleston, SC is seeking a Mechanic to support mechanical service and retrofit work, performing sheet metal modifications, piping tasks, gasket/valve work, and LOTO compliance on active job sites.

You will read drawings, work safely with PPE, use torque wrenches, and communicate status to foreman while traveling to construction sites as needed.

Qualifications

• Hands-on experience in mechanical service, piping, HVAC or industrial maintenance.
• Knowledge of flanges, gaskets, valves, and mechanical connections.
• Ability to travel to construction sites as needed.
• Must follow safety policies and jobsite rules.

Responsibilities

• Perform sheet metal modification and installation to support mechanical equipment and ducting interfaces.
• Remove and replace pipe gaskets; prepare flange faces and verify fit-up and sealing surfaces.
• Complete chiller valve replacements and perform isolation, reassembly, and checks.
• Install flanged pipe couplings; torque to spec using appropriate tools.
• Execute lockout/tagout and verify zero-energy state per procedure.
• Read job drawings, specs, and work orders to complete tasks correctly.
• Maintain a clean, safe work area; use PPE and follow safety rules.
• Communicate job status and material needs to supervisor; document work done.
• Use torque wrenches and standard mechanical tools; assist troubleshooting when needed.

Skills

Mechanical service experience

Piping experience

HVAC/mechanical systems

Torque wrench operation

Tools

Torque wrenches

Hand/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.