Mechanic

Comfort Systems USA; Chantilly (VA); On-site; USD 60,000 - 90,000; Full time

Job summary

Comfort Systems USA is seeking a Mechanic to support mechanical service and retrofit work. You will perform sheet metal modifications and piping tasks, including gasket and flange work, valve replacements, and torquing.

Safety is essential with strict Lockout/Tagout (LOTO) procedures on active job sites. The role requires reading drawings and work orders, following torque requirements, and maintaining a clean, safe work area.

Qualifications

• Hands-on experience in mechanical service, piping, HVAC mechanical, plumbing, or industrial maintenance.
• Ability to follow written and verbal instructions and work safely in active job environments.
• Willingness to travel to construction sites as needed.

Responsibilities

• Perform sheet metal modification and installation to support mechanical equipment and ducts.
• Remove and replace pipe gaskets; prepare flange faces and ensure proper fit-up.
• Complete chiller valve replacements and inspect operation per requirements.
• Install flanged pipe couplings; torque to specification with proper tools.
• Execute Lockout/Tagout and verify zero-energy state per procedure.
• Read drawings and work orders; maintain safe, clean work area; document progress.

Skills

Sheet metal work

Piping

Lockout/Tagout

Valve replacement

Flange installation

Torque wrench use

Reading drawings

Safety compliance

Communication

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.

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.