Process Engineer - Semiconductor Materials

5N Plus Inc.; Saint George (UT); On-site; USD 95,000 - 125,000; Full time

Benefits offered by this job

Excellent benefits and 401(k) match

Supportive team culture and safety/QA

Growth opportunities and development

Job summary

5N Plus is seeking an experienced Process Engineer to join our team in St. George, Utah, specializing in semiconductor wafer polishing.

This role offers the chance to work with cutting-edge technology and contribute to products that impact space exploration, medical advancement, and defense applications. You will lead process optimization initiatives, design and validate new manufacturing processes, analyze critical parameters, and mentor teammates, while ensuring safety and quality in a

Qualifications

• Bachelor's degree in Chemical Engineering, Materials Science, Mechanical Engineering, Electrical Engineering, or related field.
• 5+ years of experience in semiconductor processing, with wafer polishing expertise.
• Strong problem-solving, analytical and communication skills.
• Experience with statistical process control and data analysis.
• Experience with FMEA and continuous improvement.

Responsibilities

• Lead process optimization initiatives for semiconductor wafer polishing operations.
• Develop and implement innovative solutions to reduce variation and costs.
• Design and validate new manufacturing processes and equipment configurations.
• Monitor critical process parameters (temperature, pressure, gas flow).
• Conduct root-cause analysis to reduce defect rates and drive yield improvements.
• Mentor team members and maintain detailed process documentation.

Skills

Process optimization

Wafer polishing

Data analysis

Leadership

MS Office

Education

Bachelor's degree in Engineering or related field

Tools

CMP equipment

FMEA tools

Job description

About 5N Plus

5N Plus is a global leader in the production of engineered materials and specialty chemicals with facilities in North America, Europe and Asia, delivering critical components for advanced technologies in industries such as aerospace, medical imaging, infrared sensing, and renewable energy. At our state-of-the-art facility in St. George, Utah, we manufacture high-purity semiconductor materials used in some of the world's most demanding environments, including satellites, provide high-definition medical imaging and infrared vision.

Location: St. George, Utah

Type: Full-time, Salaried

Overview

5N Plus is a global leader in the production of engineered materials and specialty chemicals with facilities in North America, Europe and Asia, delivering critical components for advanced technologies in industries such as aerospace, medical imaging, infrared sensing, and renewable energy. At our state-of-the-art facility in St. George, Utah, we manufacture high-purity semiconductor materials used in some of the world's most demanding environments, including satellites, provide high-definition medical imaging and infrared vision.

We're seeking an experienced Process Engineer to join our dynamic team, specializing in semiconductor wafer polishing. This role offers the opportunity to work with cutting-edge technology while contributing to products that make a real difference in space exploration, medical advancement, and defense applications.

Why work for 5N Plus

• Work with cutting-edge technologies in a global company
• Excellent benefits and a 401(k) match
• Supportive team culture with a commitment to safety, quality, and innovation
• Opportunities for growth, learning, and development

5N Plus Semiconductors is an equal-opportunity employer. We are committed to building a diverse and inclusive workplace. All qualified applicants will receive consideration without regard to race, color, religion, gender, gender identity, sexual orientation, national origin, disability, or veteran status.

Key Responsibilities

• Lead process optimization initiatives for semiconductor wafer polishing operations
• Develop and implement innovative solutions to reduce manufacturing variation and costs
• Design and validate new manufacturing processes and equipment configurations
• Monitor and analyze critical process parameters (temperature, pressure, gas flow, etc.)
• Spearhead continuous improvement projects and failure mode analysis
• Conduct root-cause analysis to reduce manufacturing defect rates
• Manage process documentation and maintain detailed technical records
• Lead ingot/wafer fabrication processing initiatives
• Control product quality through inspections and analysis verification
• Drive manufacturing yield improvements and cost reduction initiatives
• Ensure compliance with occupational health and safety procedures
• Provide technical leadership and mentoring to team members

Required Qualifications

• Bachelor's degree in Chemical Engineering, Materials Science, Mechanical Engineering, Electrical Engineering, or related field
• 5+ years of experience in semiconductor processing, with specific expertise in wafer polishing
• Demonstrated success in process optimization and variation reduction
• Strong understanding of statistical process control and data analysis
• Experience with failure mode and effects analysis (FMEA)
• Excellent problem-solving and analytical skills
• Strong communication and team leadership abilities
• Proficiency in Microsoft Office Suite
• Ability to work in a cleanroom environment
• Capability to lift and handle up to 25 pounds regularly, occasionally up to 50 pounds

Preferred Qualifications

• Master's degree in relevant field
• Experience with CMP (Chemical Mechanical Planarization)
• Experience working in a chemical plant
• Experience with progressively scaling up processes in a chemical plant setting
• Six Sigma certification
• Programming experience with statistical analysis tools
• Project management experience
• Experience in mathematical modeling and process design

Work Environment & Physical Requirements

• Cleanroom environment requiring proper gowning (cleanroom suit, hood, and booties)
• Use of appropriate PPE when working with specialized materials
• Regular standing, reaching, and precise hand movements
• Occasional requirement to stoop, kneel, crouch, or climb ladders
• May occasionally require respirator use
• Requires meticulous attention to detail and careful product handling

Company Values

We expect all team members to demonstrate:

• Proactive approach to Environmental, Health & Safety
• Ownership, commitment, integrity, and urgency
• Spirit of camaraderie, professionalism, and collaboration
• Open and honest communication
• Commitment to celebrating team successes

Schedule & Availability

• Monday through Friday, 40+ hours per week
• On-call rotation for production support (24/7)
• Flexibility for overtime during high-volume periods

Benefits & Perks

• Comprehensive medical coverage (90% employer-paid premium)
• Dental and vision insurance
• Life insurance
• Employee/family assistance/counseling
• 401(k) plan with company match
• Financial planning resources
• Performance bonus opportunities
• Paid time off and holidays
• Professional development opportunities
• Dynamic work environment with cutting-edge technology

5N Plus values flexibility and teamwork. While this job description outlines primary duties, qualifications, and job scope, we expect each associate to offer their services wherever and whenever necessary to ensure the success of our endeavors.