Equipment Engineering Technician: C-Shift

Coherent Corp.; Sherman (TX); On-site; USD 65,000 - 90,000; Full time

Job summary

Coherent Corp. in Sherman, TX seeks a maintenance technician to service wafer processing tools, validate corrective actions, and coordinate preventive maintenance in a Class 100/1000 clean room.

The ideal candidate has 2+ years hands-on experience with wafer equipment, strong electronics and mechanical skills, and the ability to troubleshoot and mentor junior team members. Travel for training and vendor visits may be required.

Qualifications

• 2+ years of hands-on maintenance experience on wafer processing equipment.
• Strong electronics and mechanical troubleshooting skills.
• Ability to read and interpret electrical schematics and diagrams.

Responsibilities

• Maintain wafer processing tools and execute preventive maintenance.
• Coordinate maintenance with EES Manager and team; provide updates.
• Assist in data collection and trend analysis for tool reliability.
• Train and mentor junior technicians; participate in team meetings for improvements.

Skills

Electronics troubleshooting

Mechanical aptitude

Read electrical schematics

Preventive maintenance

Teamwork & mentoring

Documentation & data tracking

Cleanroom procedures

Critical thinking

Education

Military Electronics certification or AS technical degree in electronics

Tools

Oscilloscopes

Digital multimeters

Power supplies

Gas cabinets

Job description

Primary Duties & Responsibilities

• Maintain various wafer processing tools as directed by management, equipment engineers or senior technicians.
• Run equipment to validate that corrective actions were successful.
• Coordinate and perform reactive maintenance and scheduled preventive maintenance on wafer and assembly processing tools to maintain optimal uptime, including support equipment such as pumps, power supplies, and gas cabinets.
• Track, record, and communicate progress of maintenance work on Fab, Back End, and Assembly equipment.
• Train and mentor new team members.
• Work independently and in a team environment when required.
• Apply appropriate troubleshooting skills to correctly repair common failures.
• Assist senior technicians and engineers in data collection to resolve recurring equipment issues.
• Utilize available training materials, aids, and certification requirements to meet personal improvement goals.
• Participate in team meetings for continuous improvements and attend vendor off‑site training as required.
• Be a member of the Emergency Response Team (ERT).
• Collaborate with Process Engineering, Facilities, Test Engineering and other departments.
• Coordinate maintenance activities with the EES Manager, EES Engineers, and Technicians.
• Provide timely updates and communications on equipment status to management and through the Camstar system.
• Travel domestically and internationally when required.

Education & Experience

Preferred Minimum Education: Military Electronics certification or an AS technical degree in electronics.

Expected Minimum Years Of Related Experience: 2+ years maintaining wafer processing equipment.

Preferred maintenance knowledge of the following equipment:

• Plasmatherm LAPECVD, Matrix Asher, Koyo vertical furnace, Lam rainbow, Oxford ICP, KLA/SPTS ICP, WET Etch Process, RENA Semi Auto Wet System, MEI SRD, TEL Mark Vz, ACT 8, ASML 5500

Skills

• Practical knowledge and application of electronics, mechanics, vacuum theory, math, computers, and testing.
• Basic computer skills and proficiency with Microsoft products.
• Strong troubleshooting techniques and ability to learn operational concepts of systems to diagnose and resolve complex problems.
• Ability to read and interpret electrical schematics, mechanical drawings, pneumatic diagrams, flow charts, and cause‑and‑effect diagrams.
• Ability to set up, operate, and interpret output of test equipment such as oscilloscopes, digital volt‑ohm meters, current and voltage sources, and chart recorders.
• Ability to learn and adhere to established company and departmental policies.
• Must meet requirements for the Emergency Response Team.
• Problem solving: able to troubleshoot intermediate issues with minimal guidance.
• Initial responder for unscheduled down tools.
• Understand and follow written procedures and verbal instructions in preventive maintenance of wafer fab equipment.
• Self‑motivated and organized, able to manage daily work as directed by management, equipment engineers, or senior technicians.
• Effective communication of progress and task completion.

Additional Skills

• Read, analyze, and interpret technical instructions.
• Respond to internal and external inquiries.
• Apply mathematical concepts such as exponents and logarithms for data analysis as required.
• Problem solve, collect data, and establish facts to draw valid solutions.
• Interpret technical instructions both written and verbal.
• Communicate verbally and in writing with internal customers.
• Basic understanding of processes run on tool sets to interface with the process team.
• Mentor junior team members.

Working Conditions

• Must be able to:
• Work in a Class 100/1000 clean room.
• Wear full clean room attire.
• Work with and/or around chemicals such as acids and solids.
• Work with and/or around gases, both hazardous and non‑hazardous.
• Stand for up to 10 hours at a time.
• Lift 50 pounds or push/pull up to 150 pounds.
• Maintain flexibility to work a compressed shift (alternate between 3 and 4 consecutive 12‑hour shifts weekly) or Monday–Friday 9.5‑hour shifts when needed.
• Maintain an ERT clearance through periodic physicals.

Safety Requirements

• Must be able to pass and maintain an ERT clearance through periodic physicals.

Quality & Environmental Responsibilities

Depending on location, this position may be responsible for the execution and maintenance of ISO 9000, 9001, 14001 and/or other applicable standards that may apply to the relevant roles and responsibilities within the Quality Management System and Environmental Management System.

Employment Opportunities/EEO Statement

Coherent Corp. is an equal‑opportunity/affirmative action employer. All qualified applicants will receive consideration for employment without regard to sex, gender identity, sexual orientation, race, color, religion, national origin, disability, protected veteran status, age, or any other characteristic protected by law.

If you need assistance or an accommodation due to a disability, you may contact us at [e-mail].