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Weekend Semiconductor Design Jobs in California (NOW HIRING)

Enpro Industries

Lab Technician - ICP (2nd Shift)

Milpitas, CA · On-site

$25 - $28/hr

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

LeanTeq is a critical component of the semiconductor ecosystem that produces semiconductors for ... Supports design-of-experiments and customer process development * Handles chemicals, solutions, and ...

Commonwealth Fusion Systems

Staff Systems Engineer

Milpitas, CA

$130K - $200K/yr

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

... or design of complex R&D systems or semiconductor manufacturing equipment * Proven ability to ... Willingness to travel or work required nights/weekends/on-call occasionally * Dedication to safety ...

Enpro

Lab Technician - ICP (2nd Shift)

Milpitas, CA · On-site

$25 - $28/hr

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

LeanTeq is a critical component of the semiconductor ecosystem that produces semiconductors for ... Supports design-of-experiments and customer process development * Handles chemicals, solutions, and ...

Commonwealth Fusion Systems

Staff Systems Engineer

Milpitas, CA · On-site

$130K - $200K/yr

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

... or design of complex R&D systems or semiconductor manufacturing equipment * Proven ability to ... Willingness to travel or work required nights/weekends/on-call occasionally * Dedication to safety ...

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Weekend Semiconductor Design jobs near you
Infographic showing various Weekend Semiconductor Design job openings in California as of August 2026, with employment types broken down into 87% Full Time, 8% Part Time, and 5% Contract. Highlights an 85% Physical, 4% Hybrid, and 11% Remote job distribution.

Process Engineer 2

Mattson Technology, Inc.

Fremont, CA • On-site

Full-time

Re-posted 17 days ago

Job description

About Mattson

 

Company: Mattson Technology, Inc., a 38-year Silicon Valley company, designs, manufactures, markets, and globally supports plasma and rapid thermal processing equipment to fabricate integrated circuits for the global semiconductor industry.

Mattson Technology, Inc. offers processing equipment that utilizes innovative technologies to deliver advanced processing capabilities and high productivity for the fabrication of current and next-generation integrated circuits. Our equipment and technologies are used by leading memory and logic, analog /power device manufacturers worldwide. Innovations from Mattson Technology in Atomic Surface Engineering address the most critical logic and memory manufacturing challenges.

In May 2016, Mattson Technology was acquired by Beijing's E-Town Capital. Our new investor's vision is that Mattson Technology, with its Silicon Valley DNA, will continue to operate as a global, market-driven technology provider serving worldwide semiconductor manufacturing customers. In July, 2025, the company successfully listed in Shanghai's STAR Exchange. As the external trade compliance environment evolves, Mattson Technology now operates independently from the parent company in product, business, and operations, serving customers outside of China.

Key responsibilities

Develop new dry strip processes to meet the various requirements for advanced semiconductor technology nodes

Manage process development and reliability projects

Monitor hardware performance and verify stability of newly developed processes

Data Reduction and root cause analysis during development and troubleshooting 

Develop and modify hardware as needed to improve process results, involvement begin at C&F level through verification at customer sites

Diagnostic equipment operation and data analysis

Generate detailed report for internal and external customers

Process verification and troubleshooting at various customer sites

Design experiments, root cause analysis and detailed documentation for technical issues during development and troubleshooting

Support transfer of technology to field staff and customers

Perform other duties as assigned

Requirements:

Demonstrated hands-on experimental experience in a technical environment

BS in chemical Engineering, material science or related field and 3 years of experience. Advanced degrees preferred but not necessary

Excellent data analysis skills, including numerical and statistical analysis of data, treatment of experimental errors and graphical presentation of diverse datasets

Excellent documentation and communications skill

Generation of reports and presentations for internal and customer review

Must be able to work independently under deadline pressure in a highly dynamic environment

Flexible to work shifts that may include swing and weekends

Must be able to work safely in a laboratory environment containing high-energy machinery and hazardous gases

Must be able and willing to travel outside the US (20-50%) to customer sites for on-site process support as needed

Environmental, Health & Safety Requirements:

Successful completion of required Safety training

Remain informed about safety and health regulations affecting the operations of supervision

Ensure each employee is able to safely complete each task to which he/she is assigned

Investigate accidents and incidents that have occurred; identify the corrective action necessary to prevent a similar accident from occurring

Ensure equipment and machines are maintained in safe operating condition

Report to the Safety Officer any unsafe or unhealthy condition which cannot be corrected

Follow all safety and health regulations and work practices, including personal protective equipment where applicable

Apply