Summer 2025 Intern - R&D - Fluids

 Requisition #: 16034 

Our Mission: Powering Innovation That Drives Human Advancement  

When visionary companies need to know how their world-changing ideas will perform, they close the gap between design and reality with Ansys simulation. For more than 50 years, Ansys software has enabled innovators across industries to push boundaries by using the predictive power of simulation. From sustainable transportation to advanced semiconductors, from satellite systems to life-saving medical devices, the next great leaps in human advancement will be powered by Ansys. 

Innovate With Ansys, Power Your Career.  

Summary / Role Purpose

You will work as an engineering or computer science intern in the Ansys CFD business, contributing to the development and release of our best-in-class Ansys CFD products.  The role is code development focused, and it’s a must that you are motivated to create and test high-quality software. You will have the opportunity to engage in all stages of planning, creation, and evolution, and work closely with our CFD team to deliver customers new features and capabilities. Development activities will primarily focus on R&D and development of fluid properties capability for modeling real fluids and mixtures of real fluids.

 Key Duties and Responsibilities

• Perform R&D on real fluid mixing and vapor-liquid equilibrium solvers
• Writing code in Python and C/C++ using GitHub for CPU and GPU execution
• Building tests using testing frameworks such as pytest
• Write documentation using restructured text and Sphinx
• Provide regular updates of your progress to R&D leadership, presenting progress to colleagues in the Ansys CFD business.

Minimum Education/Certification Requirements and Experience

• Enrolled in a Ph.D. level engineering or physics program.
• Demonstrated background in the thermodynamics of real fluids. eg: experience with implementing cubic equations of state and the associated iterative algorithms to compute vapor-liquid equilibrium for pure components and mixtures
• Experience with a programming language such as Python or C++.  For example, if you have some code you could share with us.
• A genuine interest in numerical algorithms, efficient data structures, software design concepts, and programming paradigms  

Recommended Qualifications and Skills

• Experience with C++ programming for both CPU and GPU execution.
• Experience with training neural networks
• Demonstrated coding experience via sharing code with us.  For instance, a GitHub repository that you have contributed to.
• Some knowledge of the Python ecosystem: Matplotlib, pandas and NumPy, TensorFlow
• Experience with CI/CD.  For instance, knowledge of GitHub actions would be helpful.

At Ansys, we know that changing the world takes vision, skill, and each other. We fuel new ideas, build relationships, and help each other realize our greatest potential. We are ONE Ansys. We operate on three key components: the commitments to our stakeholders, the behaviors of how we work together, and the actions of how we deliver results. Together as ONE Ansys, we are powering innovation that drives human advancement. 

Our Commitments: 

• Amaze with innovative products and solutions
• Make our customers incredibly successful
• Act with integrity
• Ensure employees thrive and shareholders prosper

Our Values: 

• Adaptability: Be open, welcome what's next
• Courage: Be courageous, move forward passionately
• Generosity: Be generous, share, listen, serve
• Authenticity: Be you, make us stronger

Our Actions: 

• We commit to audacious goals
• We work seamlessly as a team
• We demonstrate mastery
• We deliver outstanding results

INCLUSION IS AT OUR CORE 
We believe diverse thinking leads to better outcomes. We are committed to creating and nurturing a workplace that fuels this by welcoming people, no matter their background, identity, or experience, to a workplace where they are valued and where diversity, inclusion, equity, and belonging thrive. 

 
WELCOME WHAT’S NEXT IN YOUR CAREER AT ANSYS 

At Ansys, you will find yourself among the sharpest minds and most visionary leaders across the globe. Collectively we strive to change the world with innovative technology and transformational solutions. With a prestigious reputation in working with well-known, world-class companies, standards at Ansys are high — met by those willing to rise to the occasion and meet those challenges head on. Our team is passionate about pushing the limits of world-class simulation technology, empowering our customers to turn their design concepts into successful, innovative products faster and at a lower cost. 

At Ansys, it’s about the learning, the discovery, and the collaboration. It’s about the “what’s next” as much as the “mission accomplished.” And it’s about the melding of disciplined intellect with strategic direction and results that have, can, and do impact real people in real ways. All this is forged within a working environment built on respect, autonomy, and ethics. 
  

CREATING A PLACE WE’RE PROUD TO BE  
Ansys is an S&P 500 company and a member of the NASDAQ-100. We are proud to have been recognized for the following more recent awards, although our list goes on: Newsweek’s Most Loved Workplace globally and in the U.S., Gold Stevie Award Winner, America’s Most Responsible Companies, Fast Company World Changing Ideas, Great Place to Work Certified (Belgium, China, Greece, France, India, Japan, Korea, Spain, Sweden, Taiwan, and U.K.). 

  
For more information, please visit us at www.ansys.com 
  

Ansys is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, veteran status, and other protected characteristics. 
  
Ansys does not accept unsolicited referrals for vacancies, and any unsolicited referral will become the property of Ansys. Upon hire, no fee will be owed to the agency, person, or entity.