Senior Plastic Design Engineer - Injection Mold Innovator

Randstad Switzerland; Zizers; On-site; CHF 90,000 - 120,000; Full time

Job summary

Randstad Switzerland is seeking a Senior Plastic Design Engineer for a client in Zizers, Graubünden. You will lead development of high-precision plastic consumables and mechanical components, taking concepts from ideation through series production.

Responsibilities include designing components and assemblies, optimizing injection-molded parts, supporting tooling and materials, and creating detailed manufacturing documentation. Fluency in German (C1) and English (B2-C1) is required.

Qualifications

• Technical education or certification with plastics focus as required.
• Several years of professional plastics development experience.
• Strong hands-on expertise in injection-molded parts and tool design.
• Proficient CAD skills, ideally SolidWorks.

Responsibilities

• Design components and assemblies from concept through production launch.
• Develop plastic solutions for consumables and injection molding and integrate into systems.
• Plan and design plastic components from ideation to series production with materials, tooling and manufacturing support.
• Optimize and simulate injection-molded parts and manufacturing processes.
• Create detailed manufacturing documentation including drawings, BOMs, and assembly instructions.
• Source materials and procure components for functional prototypes.
• Collaborate with internal teams, external partners, suppliers, and service providers.

Skills

Hands-on mentality

German language

English language

Education

University of Applied Sciences / Fachhochschule

Certified Technician in Mechanical Engineering (plastics)

Vocational training (draftsman/designer/mechanic) with plastics focus

Tools

SolidWorks

3D CAD

Job description

Randstad Switzerland is seeking a Senior Plastic Design Engineer for a client in Zizers, Graubünden. You will lead development of high-precision plastic consumables and mechanical components, taking concepts from ideation through series production.

Responsibilities include designing components and assemblies, optimizing injection-molded parts, supporting tooling and materials, and creating detailed manufacturing documentation. Fluency in German (C1) and English (B2-C1) is required.