Chemicals & Materials Jobs in California with F-1 CPT Sponsorship
Chemicals and materials F-1 CPT sponsorship jobs in California span a wide range of roles, from process engineering at Bay Area specialty chemical firms to materials science research positions near Los Angeles and San Diego. Companies like Chevron, Applied Materials, and Lam Research have historically hired international students, with strong CPT activity tied to UC and CSU programs statewide.
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At GF, we see our company as a forward-thinking leader in our field. Since 1802, we have been embracing innovations and sustainable solutions of the highest quality that add value to people’s lives around the globe.
Join us to be part of a forward-thinking, people-centered company where your ideas and contributions truly matter.
This is your opportunity to make a real impact in a collaborative, international environment.
The Plastic Fabrication Technician is responsible for fabricating, assembling, and modifying plastic components according to technical drawings and specifications. This role involves the use of specialized tools and equipment to cut, weld, bend, and finish plastic materials with a high degree of precision. The technician plays a critical role in supporting production, maintenance, and custom fabrication needs while ensuring quality, safety, and efficiency.
Essential Duties & Responsibilities:
-
Fabricate plastic items using various techniques, such as welding, drilling, and sawing.
-
Interpret blueprints, drawings, and specifications to determine fabrication requirements for plastic parts and assemblies.
-
Maintains a high quality and keeps scrap to a minimum.
-
Measure and inspect components to ensure conformance with quality standards and tolerances.
-
Jointly responsible for on-time delivery of products.
-
Maintain a clean and organized work area and perform routine maintenance on tools and equipment.
-
Repairs and reworks parts as necessary.
-
Monitors critical dimensions and adjust machines for different material and/or dimensions.
-
Prepare test/sample welds and perform various tests.
-
Assists with building crates to box finished goods for storage or shipment, as necessary.
-
Follows the procedures as presented in the Employee Handbook, Etiquette Brochure, department procedures, captures contact information, and follows verbal, written or diagram instructions as provided by supervisors and managers.
-
Committed to the protection of the environment and the health and safety of our employees, customers, and neighbors. Responsible for maintaining and continuously improving our Environmental Management System (EMS).
-
Adhere to safety protocols, environmental standards, and PPE requirements during all work activities.
-
Performs all other duties as assigned.
Required Skills/Abilities:
-
Ability to read blueprints with guidance from experienced fabricators.
-
Ability to read and use tape measurer.
-
Ability to use certain plastic fabrication tools with moderate supervision.
-
Ability to carry out instructions with moderate supervision.
-
Performs all operations according to prescribed safety principles.
-
Mechanically inclined.
Education and Experience:
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High school diploma or GED required, trade school or technical training in plastic fabrication or industrial manufacturing preferred.
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1–3 years of experience in plastic fabrication, machining, or assembly in a production or shop environment.
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Experience with fabrication, mechanical assembly, plastic welding and/or related experience.
-
Experience welding polypropylene PP, HDPE, PVDF & PVC plastics.
Working Conditions / Physical Requirements:
-
Frequent standing, bending, lifting, and working with hands in a production setting.
-
Ability to lift and move up to 50 lbs. regularly.
Use of PPE such as gloves, eye protection, and steel-toe shoes required.
Please submit your application via the ‘Apply’ button.

At GF, we see our company as a forward-thinking leader in our field. Since 1802, we have been embracing innovations and sustainable solutions of the highest quality that add value to people’s lives around the globe.
Join us to be part of a forward-thinking, people-centered company where your ideas and contributions truly matter.
This is your opportunity to make a real impact in a collaborative, international environment.
The Plastic Fabrication Technician is responsible for fabricating, assembling, and modifying plastic components according to technical drawings and specifications. This role involves the use of specialized tools and equipment to cut, weld, bend, and finish plastic materials with a high degree of precision. The technician plays a critical role in supporting production, maintenance, and custom fabrication needs while ensuring quality, safety, and efficiency.
Essential Duties & Responsibilities:
-
Fabricate plastic items using various techniques, such as welding, drilling, and sawing.
-
Interpret blueprints, drawings, and specifications to determine fabrication requirements for plastic parts and assemblies.
-
Maintains a high quality and keeps scrap to a minimum.
-
Measure and inspect components to ensure conformance with quality standards and tolerances.
-
Jointly responsible for on-time delivery of products.
-
Maintain a clean and organized work area and perform routine maintenance on tools and equipment.
-
Repairs and reworks parts as necessary.
-
Monitors critical dimensions and adjust machines for different material and/or dimensions.
-
Prepare test/sample welds and perform various tests.
-
Assists with building crates to box finished goods for storage or shipment, as necessary.
-
Follows the procedures as presented in the Employee Handbook, Etiquette Brochure, department procedures, captures contact information, and follows verbal, written or diagram instructions as provided by supervisors and managers.
-
Committed to the protection of the environment and the health and safety of our employees, customers, and neighbors. Responsible for maintaining and continuously improving our Environmental Management System (EMS).
-
Adhere to safety protocols, environmental standards, and PPE requirements during all work activities.
-
Performs all other duties as assigned.
Required Skills/Abilities:
-
Ability to read blueprints with guidance from experienced fabricators.
-
Ability to read and use tape measurer.
-
Ability to use certain plastic fabrication tools with moderate supervision.
-
Ability to carry out instructions with moderate supervision.
-
Performs all operations according to prescribed safety principles.
-
Mechanically inclined.
Education and Experience:
-
High school diploma or GED required, trade school or technical training in plastic fabrication or industrial manufacturing preferred.
-
1–3 years of experience in plastic fabrication, machining, or assembly in a production or shop environment.
-
Experience with fabrication, mechanical assembly, plastic welding and/or related experience.
-
Experience welding polypropylene PP, HDPE, PVDF & PVC plastics.
Working Conditions / Physical Requirements:
-
Frequent standing, bending, lifting, and working with hands in a production setting.
-
Ability to lift and move up to 50 lbs. regularly.
Use of PPE such as gloves, eye protection, and steel-toe shoes required.
Please submit your application via the ‘Apply’ button.
Job Roles in Chemicals & Materials in California
See all 121+ Chemicals & Materials California jobs
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Get Access To All JobsFrequently Asked Questions
Which chemicals & materials companies sponsor F-1 CPT visas in California?
California-based employers with a track record of hiring F-1 CPT students in chemicals and materials include Chevron, Applied Materials, Lam Research, Dow's California operations, and a range of specialty chemical and semiconductor materials firms concentrated in the Bay Area and Southern California. Sponsorship availability varies by semester, headcount, and whether a company has an established internship program with DSO coordination.
Which cities in California have the most chemicals & materials F-1 CPT sponsorship jobs?
The San Francisco Bay Area leads, particularly Silicon Valley, where semiconductor materials and advanced coatings companies are concentrated. Los Angeles and the Inland Empire host refining, polymer, and specialty chemical operations. San Diego has a strong presence in materials science tied to biotech and defense-adjacent R&D. Sacramento and the Central Valley have smaller but active agricultural chemicals and industrial materials sectors.
What types of chemicals & materials roles typically qualify for F-1 CPT sponsorship?
Roles that commonly qualify include process engineering intern, materials characterization technician, R&D chemist, quality assurance analyst, polymer scientist, and environmental health and safety associate. CPT eligibility depends on the position being directly tied to your enrolled program of study and formally authorized by your Designated School Official. Generic administrative or support roles in a chemicals company generally do not qualify.
How do I find chemicals & materials F-1 CPT sponsorship jobs in California?
Migrate Mate filters job listings specifically by visa type and industry, making it straightforward to search for chemicals and materials roles in California that accommodate F-1 CPT students. Rather than sifting through general postings and guessing at sponsorship willingness, you can browse employers who have indicated CPT eligibility directly, which saves significant time during the tight CPT authorization window.
Are there state-specific or industry-specific considerations for F-1 CPT in California's chemicals sector?
California's strict environmental regulations under CARB and the state EPA mean chemicals employers often require CPT students to complete safety and compliance onboarding before starting. Some roles at defense-adjacent materials firms near San Diego may have export control or security clearance requirements that effectively exclude non-U.S. persons. Confirm your specific program's CPT eligibility criteria with your DSO before applying, as authorization timelines vary by school.
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