Sr. Process Engineer, Photolithography Tower Semiconductor United States, Texas, San Antonio Sep 25, 2026 About Tower Semiconductor Looking for a career path in the high-tech industry? Become part of a team focused on delivering the most exciting semiconductor technology in the world! If you enjoy working with others in a dynamic, fast-paced environment and are looking for an opportunity to grow your career in this exciting industry, then Tower Semiconductor is the place to be! Tower Semiconductor, the leading foundry of high-value analog semiconductor solutions, provides technology, development, and process platforms for analog integrated circuits to more than 300 customers worldwide across growing markets such as communications, mobile, infrastructure, consumer, industrial, automotive, medical, and aerospace and defense, among others. Join Tower and become part of a dynamic organization with exceptionally talented and dedicated team members who work collaboratively to provide best-in-class technological solutions to our clients. Job Description Tower Semiconductor is seeking a Process Engineer to join our Photo department, supporting sustaining operations, process improvements, process transfers, and development activities within our high-volume manufacturing facility in San Antonio, TX. Our San Antonio fab is a dynamic and growing manufacturing site dedicated to delivering specialty electronic devices across a diverse range of applications, distinguished by exceptional quality, competitive cost structures, and superior cycle times. The ideal candidate is self-motivated, with strong technical and analytical capabilities, combined with a practical, hands-on approach to solving complex engineering challenges. This Job Is For You If

Take ownership of assigned processes and set direction for improvements, sustaining, and overall operations

Collaborate with process and integration engineers to enhance process metrics (SPC, yield, parametrics, defects) and ensure first-pass success of technology transfers

Take ownership of selection and qualification of semiconductor processing tools

Monitor fab metrics using statistical process control (SPC)

Conduct root cause investigations of discrepant material and implement yield and defect improvement projects

Write operating specifications and provide technical training to wafer fab personnel

Partner with equipment engineering to improve uptime and tool utilization

Troubleshoot process and tool excursions

Identify cost savings opportunities and drive projects to reduce overall costs

Implement advanced process control to improve Cpk at critical levels

Ensure proper matching of newly installed equipment to support production ramp

Develop new semiconductor manufacturing processes using design of experiments (DOE)

Job Requirements Must Have:

M.S. or Ph.D. in a relevant field, or B.S. with 5+ years of related experience

Coursework in semiconductor processing technology, device physics, and statistics is highly desirable.

Excellent verbal and written communication skills.

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Ability to collaborate and communicate effectively with equipment engineering to drive continuous improvement in the area

Strong problem-solving and data analysis skills

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