Exhaust / HVAC Journeyman

Marketech International Corporation USA•Phoenix, AZ

About The Position

Marketech International Corp. (MIC), founded in 1988, is a global technology and engineering company supporting semiconductor, high-tech manufacturing, cleanroom, and mission-critical facility projects. Through Marketech International Corporation USA, MIC supports major semiconductor and industrial projects across the United States, providing turnkey facility integration solutions and related installation and maintenance services. MIC is seeking an experienced Exhaust / HVAC Journeyman, often classified as a Journeyperson Sheet Metal Mechanic, to support semiconductor tool installation and facility construction projects. The position fabricates, installs, seals, tests, and supports high-purity ductwork, process exhaust systems, and related HVAC components in cleanroom and semiconductor fab environments. The ideal candidate has strong sheet metal or HVAC experience and is comfortable with process exhaust systems, cleanroom requirements, mechanical drawings, and high-precision installations.

Requirements

Several years of commercial or industrial HVAC, sheet metal, or related construction experience.
Strong ability to read mechanical blueprints, isometrics, and 3D models.
Experience with sheet metal fabrication tools and installation methods.
Knowledge of duct construction, sealing, and installation practices.
Ability to work in cleanrooms and controlled industrial environments.
Ability to work around chemicals and process exhaust systems.
Ability to lift 50+ lbs and work at heights and in confined spaces.
Ability to stand for extended periods and safely use hand and power tools.
Strong attention to detail and commitment to safety and quality.
Good communication and teamwork skills.
Valid driver's license.
Ability to meet site access requirements, including background screening and drug screening as required.

Nice To Haves

Experience with welding and fabrication techniques.
3–5+ years of construction, HVAC, sheet metal, tool installation, cleanroom, or related experience.
Previous semiconductor or high-tech manufacturing experience.
Experience with process exhaust systems or cleanroom HVAC.
Experience with semiconductor fab tool installation.
Experience with exhaust balancing, utility release, or scrubbed exhaust systems.
Knowledge of SMACNA standards.
Familiarity with SEMI, NFPA, and OSHA requirements.
OSHA 10 or OSHA 30 certification.
Experience with high-purity or corrosive exhaust materials, including stainless steel, coated duct, and plastic duct.
Prior cleanroom protocol training or experience.
Experience supporting testing, balancing, commissioning, and exhaust-system documentation.

Responsibilities

Read and interpret blueprints, shop drawings, isometrics, 3D models, and HVAC/duct layouts.
Fabricate, assemble, install, and seal sheet metal ductwork and related components.
Install hangers, supports, dampers, boots, transitions, plenums, and cleanroom enclosures.
Perform precision layout, cutting, bending, forming, and finishing.
Install and connect semiconductor process exhaust systems, including acid exhaust (AEX), alkaline exhaust (ALEX), VOC exhaust, heat/general exhaust, and toxic/process exhaust systems.
Support semiconductor tool installation and utility hookup activities.
Perform leak checks, exhaust testing, flow measurements, and testing and balancing activities.
Assist with commissioning and startup of HVAC and process-exhaust systems.
Work with materials including stainless steel, PVC, PP, and FRP when required.
Maintain clean work areas and follow cleanroom contamination-control procedures.
Follow required gowning, material-handling, housekeeping, safety, environmental, and LOTO procedures.
Collaborate with foremen, QA/QC teams, commissioning personnel, engineers, tool owners, and other trades.
Perform troubleshooting, maintenance, documentation, and other related duties as needed.