About this opportunity
Sitka Inc. lists this Modeling and Simulation Scientist opportunity in flagstaff, Arizona. Review the employer’s description below for duties, qualifications and application requirements.
Job description
Category: Engineering, Scientists & Technicians
Sub-Category: Science
Work Arrangement: Hybrid
Posting Start Date: 8/26/26
Posting End Date: 9/26/26
About the Role
We are looking for a Modeling & Simulation Scientist to join our team. In this role you will use Computational Fluid Dynamics (CFD) expertise to provide support for design, development, and optimization of medical devices. This role offers a unique opportunity to model cardiovascular hemodynamics, supporting product innovation, design iteration, and regulatory submissions. Working closely with cross-functional teams, you will use simulation-driven insights to predict device performance, identify worst-case scenarios, and accelerate product development through virtual testing. The successful candidate will perform CFD analyses by applying principles of fluid mechanics, material behavior, and medical device durability to solve complex engineering challenges and advance patient care.
This position will be located at our facility in either Flagstaff or Phoenix, Arizona , with the possibility of a hybrid work arrangement.
Responsibilities
Provide analytical support in the areas of medical product design, optimization and new product development.
Perform CFD/FSI modeling of transient flow, species transport, porous jumps, multiphase flow, mass transport and heat transfer analysis to support accelerated product design and evaluation.
Perform other analytical procedures that will assist in the application, design and manufacture of medical products.
Advance the use of data driven modeling using AI/ML and PINNs techniques.
Develop techniques to combine data driven modeling with physics-based modeling.
Verify and validate computational analyses.
Support continuous improvement of modeling workflows, tools, and best practices.
Review and provide feedback on modeling approaches and analyses performed by peers.
Document and communicate results through technical reports and presentations.
Required Qualifications
Master of Science degree in mechanical or biomedical engineering with a minimum of 5 years’ experience in computational fluid dynamics analysis
Experience in computational fluid dynamics software, specifically analysis in Fluent, Star CCM+, COMSOL or similar with related pre- and post-processing software
Experience in cardiovascular hemodynamics
Programming or scripting experience (Python, MATLAB, or similar) for automation and data processing
Experience creating user-defined functions for modeling; experience with AI/ML
Advanced experience in solid modeling, specifically SolidWorks
Proven ability to embrace new concepts and learn quickly
Ability to independently manage multiple simulation projects, solve complex modeling challenges, and collaborate effectively across multidisciplinary teams
Excellent communication and technical documentation skills
Ability to travel up to 5%
Desired Qualifications
Doctoral degree in mechanical or biomedical engineering
Experience with verification and validation of computational models, and with techniques such as Particle Image Velocimetry (PIV)
Experience with thrombosis modeling
This position offers a hybrid work arrangement in the country from which the Associate is employed. Eligibility is dependent on the responsibilities of the role and business needs, and the Associate must agree to comply with Gore’s work arrangement policies.
What We Offer
Our success is based on the capability and creativity of our Associates, and we are proud to offer a comprehensive and competitive total rewards program that supports your everyday and helps you build your tomorrow.
We provide benefits that offer choice and flexibility and promote overall well-being. And in keeping with our belief that every Associate should share in the collective success of the enterprise; we provide a distinctive Associate Stock Ownership Plan in each country as well as potential opportunities for profit‑sharing.
Learn more at gore.com/careers/benefits
Gore is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, gender, national origin, ancestry, age, status as a qualified individual with a disability, genetic information, pregnancy status, medical condition, marital status, sexual orientation, status as a protected veteran, gender identity and expression, and any other characteristic protected by applicable laws and regulations.
Gore is committed to a drug-free workplace. All employment is contingent upon successful completion of drug and background screening. Gore will consider qualified applicants with criminal histories, e.g., arrest and conviction records, in a manner consistent with the requirements of applicable laws.
Gore requires all applicants to be eligible to work within the United States. Gore generally will not sponsor visas unless otherwise noted on the position description.
For over 65 years, Gore has improved lives through discovery, product innovation and rewarding careers for Associates. We push the boundaries of what's possible - not just through our products and technologies but also through individual growth and development.
We believe in the strength of a diverse and inclusive workplace. With diverse perspectives, ideas and experiences, we uncover new possibilities and make a greater impact in the world. Our Associates build on a rich history of innovation, upholding Gore’s values and supporting an inclusive work environment where we treat each other and our external partners with fairness, dignity and respect.
Copyright 2025 W. L. Gore & Associates, Inc.
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Worksite address
flagstaff, AZ, 86004, US
Who can apply
Review the original listing for work authorization, qualifications and employer requirements.