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Process Engineer
Process Engineer – Semiconductor Manufacturing
Littelfuse (NASDAQ: LFUS) is a diversified industrial technology manufacturing company shaping solutions for the safe and efficient transfer of electrical energy. Headquartered in Chicago, Illinois, we serve customers across industrial, transportation, and electronics markets worldwide. With approximately 16,000 employees, we design and manufacture innovative technologies that support electrification, energy efficiency, and advanced automation. Our global reach is matched by a culture that empowers innovation and long-term growth, guided by our principles: We Care, We Succeed With Our Customers, and We Own the Outcome. As a Process Engineer, you will be part of the Engineering team at our manufacturing site, supporting the optimisation, control, and continuous improvement of semiconductor manufacturing processes. You will focus particularly on process capability, yield, and device performance, including diffusion, thermal processing, and related areas.
About the Role
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Take ownership of assigned semiconductor manufacturing processes, with a particular emphasis on:
- Diffusion
- Thermal processing
- Metallisation
- Other related manufacturing processes
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Optimise and control process parameters to ensure stable, capable, and repeatable manufacturing performance.
-
Develop, refine, and maintain process recipes through data-driven experimentation and analysis.
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Monitor process performance using SPC (Statistical Process Control) while reporting key metrics on:
- Process yield
- Performance trends
-
Analyse data across:
- Process
- Electrical
- Metrology
- Yield to identify:
- Trends
- Process variations
- Yield loss mechanisms
- Improvement opportunities
-
Investigate production issues using structured problem-solving methodologies:
- 8D
- 5-Why
- A3
- Or similar techniques
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Proactively identify, troubleshoot, and resolve process-related issues with implemented corrective and preventive actions.
-
Collaborate effectively in cross-functional teams to address complex manufacturing challenges.
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Support:
- Process qualifications
- Process changes
- Continuous improvement initiatives
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Work closely with:
- Product Yield Engineering
- Quality
- Operations
- Maintenance
- EH&S
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Develop, review, and maintain:
- Work instructions
- Standard Operating Procedures (SOPs)
- Process instructions
- Risk assessments
- COSHH (Control of Substances Hazardous to Health) documentation
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Support the creation of training materials and provide technical guidance to:
- Technicians
- Operators
-
Communicate clearly with stakeholders on:
- Process performance
- Technical findings
- Risks
- Recommendations
-
Contribute to Lean manufacturing initiatives and continuous improvement efforts.
Responsibilities
- Design ownership for assigned semiconductor processes.
- Optimise process parameters ensuring stability and repeatability.
- Refine process recipes through data-driven experimentation.
- Monitor and track process performance via SPC-Software.
- Analyse process, electrical, metrology, and yield data for trends and root causes.
- Implement problem-solving methodologies (8D, A3, 5-Why) to investigate and resolve production issues.
- Drive continuous improvement initiatives with data-driven decisions.
- Lead root cause analysis and implement corrective action plans.
- Develop and maintain related process documentation (SOPs, risk assessments, etc.).
- Collaborate with Product Yield Engineering, Quality Control, and Operations to eliminate process variations.
- Support the implementation of Lean techniques and Lean Six Sigma principles.
- Guide technicians and operators on best practices for process execution.
Requirements
- HNC/HND or a degree in Engineering or a related discipline, or equivalent industry experience.
- Demonstrated experience in semiconductor or advanced manufacturing environments.
- Strong analytical skills to interpret data (process, yield, electrical, metrology).
- Familiarity with SPC (Statistical Process Control) and other data analysis tools.
- Knowledge of structured problem-solving methodologies (8D, A3, 5-Why).
- Experience with Design of Experiments (DOE) would be advantageous.
- Solid understanding of semiconductor concepts, especially:
- Diffusion
- Thermal processing
- Metallisation process knowledge would be an advantage.
- Experience with thin-film deposition techniques (e.g., e-beam deposition).
- Effective communication and collaboration across cross-functional teams.
- Self-motivated, organised, and proactive in taking ownership of technical challenges.
- Lean Six Sigma Green Belt certification or similar continuous improvement experience is a plus.
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About Littelfuse
Littelfuse is shaped by our collective passion for innovation, collaboration, and continuous growth. Our core values—We Care, We Succeed With Our Customers, and We Own The Outcome— guide us in improving the safety, reliability, and performance of electrical energy-based products.
As an equal-opportunity employer, we foster an inclusive environment that celebrates diverse global perspectives. Our commitment to honesty, principles, and integrity drives a collaborative company culture where everyone has the opportunity to thrive.
Benefits & Opportunities
- Competitive compensation and performance-based incentives.
- Flexible work arrangements tailored to accommodate various lifestyles.
- Career development arranged through continuing collaboration and training.
- Opportunities to engage in continuous improvement projects.
- Multicultural, inclusive workplace where individual strengths are valued.
- Work in a dynamic environment where innovation and impact drive decisions. #LI-EW1
Company Culture
Our history began in 1927 when founder Edward Sundt introduced the industry-altering protective fuse. Over 95 years, we’ve pioneered electrification and electronification updates for electric vehicles, EV charging, renewable energy, industrial automation, power management, and beyond. True growth here comes from teamwork—from the garage to the global marketplace, we’re driven by the knowledge that exceptional talent fuels our success.
As an affirmative-action employer, Littelfuse ensures an inclusive workplace where all applicants will be considered without regard to race, color, religion, sex, national origin, gender identity, sexual orientation, disability, protected veteran status, or any other protected category under law.
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