CFD & AI-Driven Medical Device Modeling Scientist

Sitka Inc.; Flagstaff (AZ); Hybrid; USD 110,000 - 160,000; Full time

Job summary

Sitka Inc. is seeking a Modeling & Simulation Scientist to apply CFD to medical device design, development, and regulatory submissions. The role focuses on cardiovascular hemodynamics, virtual testing, and innovative modeling to accelerate product progress.

You will work with cross-functional teams at our Flagstaff or Phoenix facilities, with a potential hybrid work arrangement. The candidate should have a strong CFD background, programming skills, and experience with CAD tools, ready to drive

Qualifications

• Master of Science in mechanical or biomedical engineering with at least 5 years of CFD experience.
• Experience in CFD software such as Fluent, Star CCM+, COMSOL or equivalent.
• Experience in cardiovascular hemodynamics.
• Programming or scripting in Python or MATLAB for automation.
• Experience creating user-defined functions and AI/ML experience.
• Strong SolidWorks experience and solid modeling skills.
• Ability to manage multiple simulations and collaborate across teams.
• Excellent written and verbal communication and documentation skills.
• Willingness to travel up to 5%.

Responsibilities

• Provide analytical support for medical product design, optimization, and development.
• Perform CFD/FSI modeling of transient flow, species transport, porous jumps, multiphase flow, mass transport and heat transfer.
• Advance data-driven modeling with AI/ML and PINNs; couple with physics-based methods.
• Verify and validate computational analyses and improve modeling workflows.
• Document results and present findings in technical reports.

Skills

CFD analysis

Cardiovascular hemodynamics

Python

MATLAB

AI/ML

Solid modeling

Cross-functional collaboration

Technical communication

Education

Master's in mechanical or biomedical engineering

Doctoral degree in mechanical or biomedical engineering (desired)

Tools

Fluent

Star CCM+

COMSOL

SolidWorks

Job description

Sitka Inc. is seeking a Modeling & Simulation Scientist to apply CFD to medical device design, development, and regulatory submissions. The role focuses on cardiovascular hemodynamics, virtual testing, and innovative modeling to accelerate product progress.

You will work with cross-functional teams at our Flagstaff or Phoenix facilities, with a potential hybrid work arrangement. The candidate should have a strong CFD background, programming skills, and experience with CAD tools, ready to drive