Confirmed on the employer's own hiring board on Oct 5, 2026. First seen by Alion on Oct 1, 2026. onsemi scores B on the Alion truth index.
onsemi is seeking a highly skilled and motivated Senior Lithography engineer for its facility in Hopewell Junction, NY. The successful candidate will focus on delivering robust and efficient Lithography manufacturing processes using problem-solving skills and data analytics. Each day, they will be challenged by working on a diverse set of tools with a world-class team.
Key Duties and Responsibilities:
- Understand and optimize processes and procedures in the Lithography area.
- Plan and execute experiments for new technologies and processes.
- Drive activities such as yield and reliability improvements, throughput optimization, cost reduction, and safety improvements.
- Perform advanced data analysis.
- Understand and apply SPC principles to establish and sustain robust processes.
- Respond in an appropriate and timely manner to out-of-control process conditions.
- Manage the disposition of non-conforming material.
- Prioritize production support and other responsibilities.
- Generate written process instruction specifications.
- Communicate established processing procedures with production operators and process technicians.
- Contribute to factory operational efficiency by supporting operators, technicians, and engineers
Education/Experience:
- Bachelor’s or Master’s degree in Chemical Engineering, Electrical Engineering, Mechanical Engineering, Material Science, Physics, or related field
- 5+ years of direct Lithography work experience in the semiconductor industry preferred.
- Fluent in English Language - written & verbal
- Must have permanent right to work in the US without sponsorship
Skills:
- Direct experience with ASML and/or TEL equipment and processes
- Strong hands-on experience in MUV, DUV, and immersion lithography
- Fundamental understanding of semiconductor device physics.
- Demonstrated ability to apply and practice SPC and DOE methodology, including driving CD and overlay improvements
- Demonstrated experience with continuous fab improvement in yield, throughput, and cost reduction, preferably in a lean manufacturing environment.
- Fundamental understanding of standard metrology, inspection, and failure analysis methods, and their applications
- Advanced data analysis skills. The ability to quickly learn and apply various software applications is required.
- Energetic, self-motivated, and results-oriented attitude with a strong attention to detail
- Approachable with an internal customer focus, integrity, and initiative
- Articulate written and verbal communication skills.
- Demonstrated track record of being able to work well in a team environment, as well as the drive and desire to provide hands-on support for the site’s operators, technicians, and engineers when needed.
Salary:onsemi is excited to share the base salary range for this position is $88,700 to $142,000 exclusive of fringe benefits or potential bonuses. The final pay rate for the successful candidate will depend on geographic location, skills, education, experience, and/or consideration of the internal equity of our current team members. We also offer a competitive benefits package. https://www.onsemi.com/site/pdf/Benefits-Summary-USA.pdf

