On-Site Service Technician

UNISEM AMERICA, INC.; Pflugerville (TX); On-site; USD 27,000 - 39,000; Full time

Benefits offered by this job

Health insurance

Dental insurance

Vision insurance

Paid time off

Company holidays

Job summary

UNISEM AMERICA, INC. in Austin, TX is seeking an On-Site Service Engineer I to perform maintenance, installation, and technical support for semiconductor chiller systems at customer fabs.

This entry-level role includes hands-on training to develop skills in thermal systems, refrigeration loops, fluid mechanics, and fab operations. You will conduct scheduled PMs, assist with installations, learn troubleshooting, follow strict EHS and cleanroom protocols, and maintain service reports.

Qualifications

• High school diploma or equivalent.
• Interest in mechanical systems, refrigeration/HVAC, or technical hands-on work.
• Legally authorized to work in the United States and able to pass a background check and drug screen.
• Ability to wear cleanroom garments and work on-site for extended periods.
• Basic proficiency in Microsoft Office (Excel, Word, Outlook).
• Valid U.S. driver’s license and reliable transportation for local travel.

Responsibilities

• Perform scheduled preventive maintenance (PM) and inspections on Chiller units.
• Assist senior engineers with installation, piping hook-up, commissioning, and repairs.
• Learn basic troubleshooting of refrigeration loops, pumps, controllers, and electrical circuits.
• Adhere to EHS standards and cleanroom protocols.
• Maintain accurate service reports and logs.
• Support after-hours or weekend shift coverage as needed.

Skills

Hands-on technical

Mechanical systems interest

Cleanroom procedures

Microsoft Office

Education

High school diploma

Tools

Multimeters

Pressure gauges

Reading schematics

Job description

Company: UNISEM AMERICA, INC.

Location: Austin (On-site / Customer Fab Support)

Job Type: Full-time Pay: Starting at $25.00/hour (Scales up based on experience and qualifications)

About Us: UNISEM AMERICA, INC. is the U.S. subsidiary of UNISEM Co., Ltd. (South Korea), a global technology leader specializing in precision Temperature Control Chiller systems for semiconductor manufacturing. Supporting tier-one semiconductor fabs across Central Texas (Austin and Taylor), we deliver critical engineering and field maintenance services that maintain strict thermal regulation and equipment reliability. We are seeking motivated individuals eager to learn, work hands-on, and build a long-term career in the expanding semiconductor industry.

Role Overview: As an On-Site Service Engineer I, you will provide essential on-site maintenance, installation, and technical support specifically for semiconductor Chiller equipment at local customer fabrication facilities (including Samsung Austin Semiconductor). This entry-level role offers comprehensive hands-on training to develop your technical skills in thermal systems, refrigeration circuits, fluid mechanics, and fab operations.

• Perform scheduled preventive maintenance (PM), filter replacements, fluid level checks, and system inspections on Chiller units.
• Assist senior engineers with chiller installation, piping hook-up, commissioning, and corrective repairs inside and outside customer fabs.
• Learn and perform basic troubleshooting of refrigeration loops, pumps, temperature controllers, and electrical circuits.
• Strictly adhere to semiconductor fab Environmental, Health, and Safety (EHS) standards and cleanroom protocols.
• Wear cleanroom garments (gown/bunny suit) and execute service tasks in fab/sub-fab environments.
• Maintain accurate daily service reports, maintenance logs, and checklists.
• Support occasional after-hours or weekend shift coverage based on customer maintenance schedules.

Minimum Qualifications:

• High school diploma or equivalent (No prior semiconductor experience required; entry-level applicants welcome).
• Strong interest in mechanical systems, refrigeration/HVAC, or technical hands-on work.
• Legally authorized to work in the United States and able to pass a standard background check and drug screen.
• Ability to wear cleanroom garments and work on-site for extended periods.
• Basic proficiency in Microsoft Office (Excel, Word, Outlook).
• Valid U.S. driver’s license and reliable personal transportation for local travel to customer sites.

Preferred Qualifications:

• Bilingual proficiency in Korean and English (highly advantageous for collaboration with headquarters and engineering teams).
• Associate degree or technical training in HVAC/Refrigeration, Electronics, Mechanical Technology, or Mechatronics.
• Familiarity with hand tools, multimeters, pressure gauges, or reading basic mechanical/electrical diagrams.

What We Offer:

• Starting pay at $25/hr. with advancement opportunities.
• Health, Dental, and Vision insurance.
• Paid Time Off (PTO) and company holidays.
• *Benefits are e ligible after 90 days of employment