SIMULIA Fluids HPC Senior Software Engineer

3 weeks ago

Watertown, United States Dassault Systemes Full time
Role Description & Responsibilities

We are seeking a highly skilled and motivated CFD software development engineer with a focus on HPC and in-depth knowledge of MPI and distributed computing. The ideal candidate will play a pivotal role in designing, optimizing, and implementing parallel algorithms for CFD simulations in our Lattice Boltzmann fluids solver. The candidate will assist with supporting our solver on modern CPU architectures, including Intel, AMD, ARM etc, and collaborate with the rest of the solver team to enhance the performance and scalability of our solver on large HPC clusters.

Fluids are all around us and within us. Simulation of complex fluid flows is critical to properly design, optimize and manufacture a staggering array of products in every industry. Our goal is to reform engineering processes by unifying design and simulation. Performance of our Lattice-Boltzmann solver on a wide variety of existing and newly emerging architectures is a critical component of the success of our fluids solution for customers. It requires a dedicated and continuing focus on improving performance and scalability and support for newer parallel architectures and technologies. The candidate's role in maintaining and extending our solver's core parallel architecture aligns with our commitment to maintaining best-in-class fidelity and performance in Fluids for our customer base.

Qualifications

You will work within a team of world-class software developers to support and extend the high performance capabilities of our Lattice Boltzmann solver. You will also be expected to participate in the testing, validation and maintenance of our solver on our supported systems.

The successful candidate must have an in-depth knowledge of distributed parallel computing as applied to CFD codes, proven hands-on experience with C++ and MPI programming on Linux systems, strong analytical skills, and familiarity with modern approaches to high performance computing. Minimum requirements for the candidate include:

Required :

Master's Degree in Computer Science or Engineering

5+ years experience in commercial software development in C++ in CFD or FEA analysis codes

3+ years of hands-on experience and in-depth knowledge of MPI programming on Linux systems

Strong understanding of parallel algorithms and distributed computing concepts

Familiarity with HPC architectures, interconnects, and parallel file systems

Excellent problem-solving and troubleshooting skills

Desired :

Experience with vectorization techniques on modern CPU architectures (including Intel, AMD, ARM)

Knowledge of GPU acceleration (using CUDA) and hybrid computing for CFD applications

Knowledge of performance profiling tools and techniques.

Familiarity with job schedulers and resource management systems (e.g., SLURM, LSF).

Diversity statement

As a game-changer in sustainable technology and innovation, Dassault Systmes is striving to build more inclusive and diverse teams across the globe. We believe that our people are our number one asset and we want all employees to feel empowered to bring their whole selves to work every day. It is our goal that our people feel a sense of pride and a passion for belonging. As a company leading change, it's our responsibility to foster opportunities for all people to participate in a harmonized Workforce of the Future.

Compensation & Benefits

Dassault Systmes offers an excellent salary with potential for bonus, commensurate with experience. Benefits include a choice of plans providing comprehensive coverage for medical, dental, vision care for employee & dependents as well as employee life, short & long term disability, tuition reimbursement, immediate 401K enrollment, 401K match (50 cents on the dollar, up to the first 8% of your eligible compensation that you contribute based on match eligibility criteria), flexible time off policy, and 10 paid holidays.

Equal opportunity

In order to provide equal employment and advancement opportunities to all individuals, employment decisions at 3DS are based on merit, qualifications and abilities. 3DS is committed to a policy of non-discrimination and equal opportunity for all employees and qualified applicants without regard to race, color, religion, gender, sex (including pregnancy, childbirth or medical or common conditions related to pregnancy or childbirth), sexual orientation, gender identity, gender expression, marital status, familial status, national origin, ancestry, age (40 and above), disability, veteran status, military service, application for military service, genetic information, receipt of free medical care, or any other characteristic protected under applicable law. 3DS will make reasonable accommodations for qualified individuals with known disabilities, in accordance with applicable law.

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