Platform Engineer - Senior - US

Quantiphi, Inc.; Boston (MA); Hybrid; USD 150,000 - 210,000; Full time

Job summary

Quantiphi, Inc. is seeking a Senior Platform Engineer to design, optimize, and scale GenAI infrastructure. You will lead GPU-intensive workloads and collaborate with data science, MLOps, and application teams to deploy cutting-edge AI solutions.

You’ll work on multi-GPU setups, GPU profiling, and performance tuning, using Terraform and Helm to automate infrastructure. This role offers a hybrid, global team environment and opportunities to drive innovation across healthcare, finance, and tech

Qualifications

• Deep 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, Triton/TensorRT).
• Strong foundation in Linux systems, performance tuning, and multi-GPU optimization.

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 Terraform and Helm.

Skills

Slurm

Kubernetes/OpenShift

NVIDIA GPU stack

Linux performance tuning

GenAI workloads

Tools

Terraform

Kubernetes

OpenShift

CUDA/cuDNN/Triton

Job description

While 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 global digital engineering company that helps the world’s leading Fortune 1000 organizations transform bold ideas into measurable business impact. We go beyond building innovative AI technologies, we solve the problems that matter most to our clients. Since our founding in 2013, Quantiphi has built a proven track record of turning complex challenges into meaningful outcomes across industries. Headquartered in Boston, with more than 4,000 professionals worldwide, we partner with global enterprises to deliver large-scale digital, cloud, and AI-driven transformation. #SolvingWhatMatters We are an Elite and Premier partner to Google Cloud, AWS, NVIDIA, Snowflake, and other leading technology platforms, and our work has been recognized across the industry, including:

• 21 Google Cloud Partner of the Year awards in the past 10 years
• 3 AWS AI/ML Partner of the Year awards
• 3 NVIDIA Partner of the Year awards
• 3 Snowflake Partner of the Year awards

Rated Leaders by Gartner, Forrester, IDC, ISG, Everest Group and other leading analyst firms Quantiphi delivers First-in-class AI solutions across Life Sciences, Healthcare, Banking, Financial Services, CPG, Manufacturing, Energy, High-Tech, Telecommunications, etc., powered by cutting-edge Generative AI and Agentic AI accelerators. We are also proud to be certified as a Great Place to Work, reflecting our commitment to our people and our culture. For more details, visit: Website or Linkedin Page

Role: Senior - Platform Engineer

Experience Level: 5+ yrs

Work Location: East/Canada [ET & CT]

Role Overview

We are looking for a highly skilled Architect - 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!

Thank you for your interest in Quantiphi! We are a team that dreams together and collaborates to ensure success.

We are currently looking for exceptional individuals who can join us and contribute to a fun, diverse and hybrid work culture.

As a part of the Quantiphi family, you will get ample opportunities to learn, grow and interact with colleagues from varied experience and backgrounds around the globe.

Quantiphi is an award‑winning AI‑first digital engineering company driven by the desire to reimagine and realize transformational opportunities at the heart of business. We solve the toughest and most complex business problems with the latest and cutting‑edge technologies and to make this happen, we have a vibrant, diverse, and talented set of professionals we proudly refer to as the Quantiphi family.

Our culture is built on transparency, diversity, integrity, learning and growth.

We are committed to provide our teams with an environment that helps them to learn, grow and flourish in their professional as well as personal lives.