Mechanical Design Engineer – Fluid Dynamics Expert (Hybrid)

Randstad; Risch-Rotkreuz; Hybrid; CHF 110,000 - 140,000; Full time

Job summary

Randstad Rotkreuz is seeking a Mechanical Design Engineer (m/w/d) Expert in Fluid Dynamics to join our Liquid Handling team. You will evaluate and develop liquid handling technologies for IVD product development, shaping our diagnostic portfolio with fluidic concepts and experimental validation.

Requires a degree in Mechanical Engineering with a fluid dynamics focus, 1–3 years CFD experience, hands-on experimental fluid dynamics, Python and C#, and strong analytical and cross-functional

Qualifications

• Bachelor’s or Master’s degree in Mechanical Engineering with a fluid dynamics focus.
• 1–3 years of hands-on CFD experience modeling complex flows.
• Strong analytical and problem-solving abilities.
• Hands-on experimental fluid dynamics and test setups.
• Programming in Python and C# with AI tool experience.
• Willingness to collaborate in international, cross-functional teams.
• Professional fluency in German and English.

Responsibilities

• Concept Evaluation & Parameter Determination: Analyze and evaluate new technologies through testing. Utilize fluidic and physical expertise to define and verify parameter settings, ensuring optimal pipetting performance for specific applications.
• Liquid Handling Solution Development: Support the technical implementation of liquid handling solutions within IVD product development. Collaborate with Design Engineers using CFD to optimize component designs from a fluidics perspective, validating simulations through experiments.
• Feasibility Studies: Initiate, lead, and execute feasibility studies in the field of liquid handling to satisfy technical requirements and mitigate design risks.
• Test Bench Development: Define required test benches for feasibility studies and parameter determination. Work alongside mechanical, electronic, and software engineers to commission test stands and program necessary software workflows.

Skills

CFD

Python

C#

Experimental Fluids

Analytical Thinking

Test Benches

Cross-Functional

German & English

Education

Bachelors/Master of Mechanical Engineering (Fluid Dynamics)

Tools

CFD Software

Gemini

Claude Code

Job description

Randstad Rotkreuz is seeking a Mechanical Design Engineer (m/w/d) Expert in Fluid Dynamics to join our Liquid Handling team. You will evaluate and develop liquid handling technologies for IVD product development, shaping our diagnostic portfolio with fluidic concepts and experimental validation.

Requires a degree in Mechanical Engineering with a fluid dynamics focus, 1–3 years CFD experience, hands-on experimental fluid dynamics, Python and C#, and strong analytical and cross-functional