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R&D Engineer II - Computational Fluid Dynamics (CFD)

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Date: Oct 6, 2021

Location: Lebanon, NH, US, 03766 Waterloo, ON, CA, N2J4G8 Montreal, Quebec, CA, H3A3G4

Company: Ansys

Ansys is the global leader in engineering simulation. We empower the world’s most innovative companies to deliver transformational products to their customers. By offering the best and broadest portfolio of engineering simulation software solutions, we help our customers solve the most complex design challenges and engineer products limited only by imagination. Whether you are a software developer, product engineer, sales team member, or part of our corporate team, at Ansys we know that by embracing what makes us each unique, we become collectively better.



The R&D Engineer II contributes to the development of software products and supporting systems. In this role, the R&D Engineer II will collaborate with a team of expert professionals to understand customer requirements and accomplish development objectives. 


The position involves developing, implementing, and maintaining functionality related to the Ansys CFD solver’s core numerics and boundary conditions. Areas of work for this position may include high-order finite volume algorithms, time-marching schemes, solution acceleration techniques, adaption analytics, error estimation, and numerics related to multiscale flows and moving deforming meshes.



  • Performs complex development activities, including the design, implementation, maintenance, and testing of software modules and sub-systems in the area of solver-meshing
  • Participates in planning and research
  • Investigates problems discovered by QA or product support and develops solutions
  • Performs complex bug verification and release testing
  • Understands the marketing requirements for a product, including target environment, performance criteria and competitive issues



  • BS in Engineering, Computer Science, Applied Mathematics, or related field with 2 years’ experience or MS
  • Demonstrated experience with design and development of CFD software
  • Hands on experience with Computational Fluid Dynamics (CFD) solver development, verification, and validation
  • Excellent technical knowledge and proficiency in C/C++ programming, numerical analysis, scripting languages, source code versioning, data structures and algorithms



  • PhD in Engineering or related field is a strong plus
  • Passion for crafting robust, innovative, and efficient code
  • Good communication and interpersonal skills
  • Ability to learn quickly and to collaborate with others in a geographically distributed team
  • Knowledge and familiarity with SIMPLE class of methods
  • Knowledge of numerics on overset meshes and/or fluid-structure interactions (FSI)
  • Knowledge and exposure to solvers involving multi-physics (Porous Media, Multiphase flows, Flows with combustion and reactions etc.)
  • Experience with parallel and high-performance computing


At Ansys, our diverse, collaborative teams give us the strength and insight to solve the world’s most challenging engineering problems. Our ONE Ansys culture has at its core:

  • Customer Focus
  • Results and Accountability
  • Innovation
  • Transparency and Integrity
  • Mastery
  • Inclusiveness
  • Sense of Urgency
  • Collaboration and Teamwork


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 servicing 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. 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.
At Ansys, you will find yourself among those eager to drive the world towards the next best thing with hands planted firmly on the wheel. 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 lower cost.  As a measure of our success in attaining these goals, Ansys has been recognized as one of the world's most innovative companies by prestigious publications such as Bloomberg Businessweek and FORTUNE magazines.
Ansys is an S&P 500 company and a member of the NASDAQ-100. We are proud to have been recognized for the following awards: Bay Area Best Places to Work, a Pillar World Awards Gold Winner, Fast Company Best Places to Work for Innovators, a Gold Stevie Award for Great Employers, the FORTUNE Future 50, a DCA Silver Winner, an R&D100 Finalist, a 20% by 2020 Women on Boards winner, a 2020 Pittsburgh Tech 50 – finalist, and America’s Most Responsible Companies.
For more information, please visit us at www.ansys.com


We are committed to creating a culture of inclusion and belonging where everyone thrives as ONE Ansys team.

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.




Nearest Major Market: Hanover