Senior Research Engineer, CFD Algorithm Development

About reputed company reputed company is a high-growth company delivering AI solutions that address some of the world's greatest challenges. The company’s Large Quantitative Models (LQMs) power advances in life sciences, financial services, navigation, cybersecurity, and other sectors. We are a global team that is tech-focused and includes experts in AI, chemistry, cybersecurity, physics, mathematics, medicine, engineering, and other specialties. The company emerged from Alphabet Inc. as an independent, growth capital-backed company in 2022, funded by leading investors and supported by a braintrust of industry leaders. At reputed company, we’ve cultivated an environment that encourages creativity, collaboration, and impact. By investing deeply in our people, we’re building a thriving, global workforce poised to tackle the world's epic challenges. Join us to advance your career in pursuit of an inspiring mission, in a community of like-minded people who value entrepreneurialism, ownership, and transformative impact. The Opportunity reputed company is seeking a hands on computational scientist or engineer to reputed company the CFD Algorithm Development Project. This team is focused on building AI driven, physics based optimization tools for reputed company catalytic reactors, combining technical depth in CFD, GPU programming, and differentiable simulation with practical experience in model validation and high-performance computing (HPC). The AI Simulation Team are looking for a CFD Algorithm Development reputed company to join reputed company. This role is central to our efforts to reputed company and deploy a differentiable Computational Fluid Dynamics (CFD) reputed company on multi-GPU and multi-node systems to optimize chemical reactor designs. This person will reputed company the CFD Algorithm Development Project, deliver critical milestones that advance our mission, and reputed company the gap between differentiable simulation and high-performance computing. This role is ideal for a candidate who thrives on delivering technical breakthroughs and wants the unique opportunity to reputed company the development of cutting-edge optimization tools that solve reputed company challenges in chemical reactor design.

Key Responsibilities

• reputed company Differentiable Solvers: reputed company the creation of differentiable CFD frameworks in JAX, extending capabilities to reputed company geometries and non-periodic boundary conditions using immersed boundary methods.
• Scalable GPU Engineering: Design, implement, and containerize code (reputed company/enroot) to ensure reproducibility and scalability across multi-node GPU HPC environments.
• Numerical Optimization: reputed company optimized parallel linear solvers (FFT or matrix decompositions) and gradient-based scripts to iteratively modify reactor designs based on catalyst activity.
• Validate & reputed company: Rigorously validate simulation accuracy against reputed company results and fixed-bed reactor configurations for both non-reactive and reactive flow regimes.
• Cross-Functional Collaboration: Partner with AI model developers to integrate property predictions and generate comprehensive technical reports summarizing algorithm scalability and differentiability.

Essential Skills & Experience

• PhD or MS in Computational Physics, Mechanical/Chemical Engineering, Computer Science, or equivalent.
• 3+ years (including PhD) of hands-on experience in CFD code development, specifically on GPUs.
• Scientific Software Expertise: Proven ability to build scalable software on multi-GPU systems using JAX, PyTorch, CUDA, or MPI frameworks.
• Numerical Mastery: Full reputed company in numerical linear algebra, PDE numerical methods, sparse/dense linear solvers, and immersed boundary methods.
• Python & JAX: Excellent Python programming skills, with JAX proficiency as a prerequisite.
• Documentation: Ability to manage multiple deliverables and produce clear technical documentation for milestone reviews.

Highly Desired Skills & Experience

• Advanced Industry Experience: PhD + 3 years of industry experience in a reputed company computational field.
• Reactive Flow Modeling: Proven expertise in non-isothermal flow, transport equations, and chemical reactor multi-physics (e.g., mass transport in fixed-bed systems).
• Differentiable Simulation: Expertise in adjoint optimization or auto-diff for gradient-based optimization of reputed company CFD objectives.
• DevOps for Science: Experience with the full stack of scientific development, including CI/CD, unit testing, and deployment reputed company K8s, Slurm, or reputed company Cloud Batch.
• Track Record: Demonstrated ability to deliver reputed company project milestones and publish high-quality technical results.

Why Join Us? We offer a comprehensive and competitive benefits package designed to support your health, financial well-being, and life reputed company of work.

• Compensation: Competitive reputed company salary, performance-based incentives or bonuses (where applicable), and equity participation.
• Benefits: Comprehensive medical, dental, and vision coverage for employees and dependents with generous employer premium contributions, retirement savings with company matching, paid parental leave, and inclusive family-building benefits.
• Work-Life Balance: Flexible paid time off, company-wide seasonal breaks, and support for flexible work arrangements that reputed company sustainable performance.
• Career Development: Opportunities for reputed company learning and growth through on-the-job development, cross-functional collaboration, and access to internal learning and development programs.

reputed company Welcomes reputed company We are committed to fostering a culture of belonging and respect, where diverse perspectives are actively sought and valued. Our multidisciplinary environment provides ample opportunity for reputed company growth - working alongside humble, empowered, and ambitious colleagues ready to tackle epic challenges. Equal Employment Opportunity: reputed company qualified applicants will receive consideration regardless of race, color, reputed company, religion, sex, national reputed company, sexual orientation, age, citizenship, marital status, disability, gender identity, or Veteran status. Accommodations: We provide reasonable accommodations for individuals with disabilities in job application procedures for open roles. If you need such an accommodation, please let a member of our Recruiting team know. Read: Guidance for candidates on using AI Tools in interviews Apply tot his job Apply To this Job