Senior Process Engineer

Location : This position is based onsite at our Phoenix, Arizona office.

Senior Process Engineers play a critical role as technical and quality experts within the Product Quality department. In this position, you will take ownership of the technical and quality interface for a strategic customer, operating independently with minimal managerial oversight. You will lead efforts to resolve performance issues related to JSR Process Materials, including CMP Slurries and Advanced Wet Cleans.

This role offers the opportunity to collaborate closely with global QA, QC, Production, and R&D teams to define product specifications, implement control limits, and manage product transfers. Your contributions will be essential in ensuring exceptional product performance and maintaining a high level of customer satisfaction.

What You’ll Do :

• Take ownership of technical and quality aspects of JSR products used by assigned customers, maintaining direct communication with customer contacts and internal JSR departments.
• Manage customer quality complaints through root cause analysis, containment and preventive actions, and formal closure using 8D reports.
• Support the establishment of local capabilities for analytical testing of CMP slurries to address customer needs.
• Participate in customer meetings, document discussions, and ensure timely follow-up with internal and external stakeholders.
• Communicate and implement process changes impacting finished goods, QC metrology, and raw materials.
• Conduct SPC (Statistical Process Control) analysis to monitor trends in finished goods, in-process materials, and raw materials, recommending corrective actions as needed.
• Design, execute, and / or coordinate experiments to troubleshoot issues with raw material lots or customer-returned products.
• Provide production support for a portfolio of products post-transfer to high-volume manufacturing (T-1 transfer).
• Manage assigned raw material suppliers, addressing technical issues, conducting audits, setting specifications, and driving continuous quality improvements.
• Support product cost-reduction initiatives while maintaining performance and quality standards.
• Build strategic relationships with industry partners to advance company objectives and mitigate quality risks.
• Collaborate with global JSR teams to align and execute the company’s global strategy and initiatives.
• Identify opportunities for process improvement and contribute to strengthening a quality-focused culture.
• Ensure compliance with all safety rules, policies, and procedures; promptly report unsafe conditions to management.
• Perform additional tasks as assigned.

What You Bring

BS / MS / PHD in Chemistry / Chemical Engineering / Material Science / Physics

Your Core Strengths :

Why Join JSR

At JSR, you’ll be part of a global leader in advanced materials innovation, supporting the world’s most advanced semiconductor manufacturers. We foster a collaborative, inclusive, and forward-thinking culture where your contributions directly impact cutting-edge technologies and global customers.

By joining JSR, you will :

Work on Industry-Leading Technologies – Collaborate with world-class engineers and scientists on high-performance materials that shape the future of semiconductors.

Make a Global Impact – Be part of a multinational team solving complex challenges for top-tier customers across Asia, Europe, and the Americas.

Grow Your Career – Access continuous learning opportunities, technical training, and global mobility to support long-term professional development.

Innovate with Purpose – Contribute to solutions that improve performance, yield, and sustainability in semiconductor manufacturing.

Join a Culture of Respect & Collaboration – Experience a workplace where diverse perspectives are valued and innovation is driven by teamwork and trust.

Equal Opportunity Employer

JSR is an Equal Employment Opportunity and Affirmative Action Employer. We consider all qualified applicants without regard to race, color, religion, sex, sexual orientation, gender identity or expression, national origin, age, marital status, veteran status, or disability status.

Third-Party Agencies

Recruitment agencies or headhunters : Please do not submit resumes / CVs through our website or directly to managers. JSR does not accept unsolicited resumes from agencies without a signed agreement and will not pay fees for such submissions.