Senior Platform Engineer

Quantiphi; Toronto; Hybrid; CAD 140,000 - 210,000; Full time

Job summary

Quantiphi seeks a Senior Platform Engineer to design, optimize, and scale GenAI infrastructure for multi-GPU workloads. You will profile GPUs, run distributed training, and manage Slurm clusters with OpenShift/Kubernetes environments. Collaboration with data science, MLOps, and application teams is essential.

You will implement NVIDIA GPU stacks and IaC templates, contribute to PoCs, and support client engagements in a fast-paced AI-first setting.

Qualifications

• Experience designing and scaling GenAI infrastructure across multi-GPU environments.
• Hands-on with Slurm-based distributed training and containerized deployments.
• Proficient in OpenShift/Kubernetes and Linux performance tuning.

Responsibilities

• Design and implement scalable infrastructure for LLM and GenAI workloads across multi-GPU environments.
• Perform GPU profiling, benchmarking, and performance optimization for distributed training workloads.
• Manage and schedule compute-intensive jobs using Slurm-based clusters and OpenShift/Kubernetes environments.
• Enable and optimize the NVIDIA GPU stack (CUDA, cuDNN, NCCL, Triton, RAPIDS, etc.).
• Collaborate with cross-functional teams to deploy models in research and production environments.
• Build and support GenAI pipelines (fine-tuning, RAG, multi-modal inferencing, LLMOps).
• Develop reusable infrastructure templates using tools like Terraform and Helm.
• Contribute to internal innovation and support client-facing delivery engagements.

Skills

Slurm

OpenShift

Kubernetes

CUDA

cuDNN

NCCL

TensorRT

Triton

Linux

Multi-GPU optimization

Tools

Terraform

Helm

Ansible

GCP

Azure

AWS

OCI

Job description

## Senior Platform EngineerApplylocations: CA ON Toronto: USA - Remoteposted on: Posted 30+ Days Agojob requisition id: JR9685While technology is the heart of our business, a global and diverse culture is the heart of our success. We love our people and we take pride in catering them to a culture built on transparency, diversity, integrity, learning and growth. If working in an environment that encourages you to innovate and excel, not just in professional but personal life, interests you- you would enjoy your career with Quantiphi!**About Quantiphi:**Quantiphi is an award-winning, AI-First digital engineering and consulting company focused on delivering high-impact Services and Solutions that help organizations solve what truly matters. We partner with enterprises to reimagine their businesses through intelligent, scalable, and transformative AI driving measurable outcomes at the very core of their operations.Since our founding in 2013, Quantiphi has tackled some of the world’s most complex business challenges by combining deep industry expertise, disciplined cloud and data engineering practices, and cutting-edge applied AI research. Our work is rooted in delivering accelerated, quantifiable business value, not just technology for technology’s sake.Headquartered in Boston, Quantiphi is a global organization with 4,000+ professionals serving clients across key industry verticals, including BFSI, Healthcare & Life Sciences, CPG, MFG, TME etc. As an Elite and Premier partner to leading cloud and AI platforms such as NVIDIA, Google Cloud, AWS, and Snowflake, we build and deliver enterprise-grade AI services and solutions that create real-world impact. We’ve been recognized with:* 17x Google Cloud Partner of the Year awards in the last 8 years.* 3x AWS AI/ML award wins.* 3x NVIDIA Partner of the Year titles.* 2x Snowflake Partner of the Year awards.* We have also garnered top analyst recognitions from Gartner, ISG, and Everest Group.* We offer first-in-class industry solutions across Healthcare, Financial Services, Consumer Goods, Manufacturing, and more, powered by cutting-edge Generative AI and Agentic AI accelerators.* We have been certified as a Great Place to Work for the third year in a row- 2021, 2022, 2023.Be part of a trailblazing team that’s shaping the future of AI, ML, and cloud innovation. Your next big opportunity starts here!For more details, visit: Website or LinkedIn Page.**Role:**Senior Platform Engineer**Experience Level:**8+ yrs**Work Location:**US East/Canada (Remote)**Role Overview:**We are looking for a highly skilled Senior Platform Engineer to design, optimize, and scale infrastructure for GenAI and LLM workloads. This role is ideal for someone with deep hands-on experience in GPU profiling, distributed training, and high-performance compute environments.You’ll play a key role in building out GenAI platform foundations, supporting production-grade deployments, and partnering closely with data science, MLOps, and application teams to bring cutting-edge AI solutions to life.**Key Responsibilities:*** Design and implement scalable infrastructure for LLM and GenAI workloads across multi-GPU environments* Perform GPU profiling, benchmarking, and performance optimization for distributed training workloads* Manage and schedule compute-intensive jobs using Slurm-based clusters and OpenShift/Kubernetes environments* Enable and optimize the NVIDIA GPU stack (CUDA, cuDNN, NCCL, Triton, RAPIDS, etc.)* Collaborate with cross-functional teams to deploy models in research and production environments* Build and support GenAI pipelines (fine-tuning, RAG, multi-modal inferencing, LLMOps)* Develop reusable infrastructure templates using tools like Terraform and Helm* Contribute to internal innovation (PoCs, workshops) and support client-facing delivery engagements**Basic Qualifications:*** Strong experience with Slurm and distributed training environments* Hands-on expertise with Red Hat OpenShift and/or Kubernetes* Deep knowledge of the NVIDIA GPU ecosystem (CUDA, cuDNN, NCCL, Nsight, Triton/TensorRT)* Strong foundation in Linux systems, performance tuning, and multi-GPU optimization* Experience deploying GenAI workloads (LLM fine-tuning, RAG pipelines, multi-modal systems)* Familiarity with Infrastructure-as-Code tools (Terraform, Ansible)* Experience with cloud GPU environments (GCP, Azure, AWS, OCI) and/or on-prem GPU clusters**Other Qualifications (OQs):*** Experience with NVIDIA NIMs, DGX systems, or GPU-accelerated containers* Knowledge of LLMOps frameworks and MLOps integration* Familiarity with vector databases and retrieval systems for RAG architectures* Comfortable working in client-facing environments and collaborating with AI solution teams**Healthcare Domain Experience (Nice to Have):*** Experience working with FHIR R4, HL7 v2, or SMART on FHIR* Integration with EHR systems (e.g., Epic)* Understanding of HIPAA compliance and healthcare data privacy* Exposure to clinical workflows, CDS Hooks, or patient-facing applications* Experience building clinical decision support systems or healthcare interoperability solutions**What’s in it for YOU at Quantiphi:*** Make an impact at one of the world’s fastest-growing AI-first digital engineering companies.* Upskill and discover your potential as you solve complex challenges in cutting-edge areas of technology alongside passionate, talented colleagues.* Work where innovation happens - work with disruptive innovators in a research-focused organization with 60+ patents filed across various disciplines.* Stay ahead of the curve immerse yourself in breakthrough AI, ML, data, and cloud technologies and gain exposure working with Fortune 500 companies.*If you like wild growth and working with happy, enthusiastic over-achievers, you'll enjoy your career with us**!*