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United Integrated Services

Senior Mechanical Engineer

2026-03-05

United Integrated Services (USA) Corp. was founded in Phoenix, Arizona in 2020. UIS is a U.S. subsidiary of United Integrated Services Co., Ltd. (UIS Taiwan) which was founded in Taiwan in 1982. UIS is a multidisciplinary engineering and construction company. We provide fully integrated design-build services to our clients in the high-technology industry for their manufacturing facility needs. Our scope of services includes engineering design, high-tech factory planning, and on-time equipment and material delivery in which clean-room systems, HVAC, electrical systems, and tool hook-up, are all vital parts in need of total coordination.

 

Summary: The Mechanical Engineer will work closely with design, construction, and commissioning teams to ensure the successful delivery of cleanroom projects that meet stringent specifications for air quality, temperature, humidity, and particulate control. The candidate must bring specialized knowledge in cleanroom standards, HVAC/MEP design, installation & QC.

Essential Duties and Responsibilities include the following. Other duties may be assigned.

  • Perform requirements classification and communicate project requirements with design teams for mechanical systems, including process exhaust ducts, scrubbers, and dosing chemical
  • systems for cleanroom facilities.
  • Perform scope of work analysis, clarify specifications with stakeholders, and assist procurement team in mechanical systems equipment procurement and contractor awards.
  • Review and interpret isometric drawings, P&ID (Piping and Instrumentation Diagrams), and CAD drawings for mechanical engineering systems in cleanroom environments.
  • Review, approve, and oversee installation of mechanical engineering systems, ensuring compliance with cleanroom standards for air quality, temperature, humidity, and particulate
  • Inspect work in progress to ensure workmanship conforms with specifications and HVAC system requirements, and review progress reports, materials, costs, and contract payment
  • Review and respond to RFI (Request for Information) and change orders related to mechanical systems installations and modifications.
  • Identify and solve technical problems related to mechanical systems integration, HVAC performance, and cleanroom specifications.

 Qualifications:

The requirements listed below are representative of the knowledge, skill, and/or ability required.

Education/Experience:

  • Master's degree in Mechanical Engineering, Construction Management, or a related field.
  • 1+ years of work experience related to Mechanical Engineering with a strong focus on cleanroom construction. Experience in HVAC is required.
  • Ability to use AutoCAD and SOLIDWORKS. 
  • International travel may be required for up to 10% of work time.

Salary $123,198 per year

Physical Demands & Work Environment

This position requires the ability to lift and carry up to 50 lbs for transporting documents, equipment, and other materials as needed. The role involves extended periods standing, walking and/or of sitting while working at a computer. Frequent movement between the construction trailer and various areas of the construction site is necessary.

The position is based at the construction job site (trailer office).  Even though the exposure of hazardous work conditions would be minimal, the employee may be required to visit the work area of the jobsite and thus be exposed to some typical work hazards that may be present on a construction site, such as dust, moving machineries, weather, caustic chemicals, noise etc. UIS would provide the required safety protection to ensure the safety of UIS employees and comply with all OSHA standards.

 

Equal Employment Opportunity:

UIS is an Equal Opportunity Employer. We are committed to providing equal employment opportunities to all employees and applicants without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability, genetic information, veteran status. Or any other characteristic protected by federal, state, or local law. We believe in fostering a diverse and inclusive workplace where all individuals are treated with respect and dignity.

 

Disclaimer:

The above job description is not intended to be an all-inclusive list of duties and standards of the position. Incumbents will follow any other instructions, and perform any other related duties as assigned by their supervisor.

 

 

Senior Mechanical Engineer United Integrated Services
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