Make an impact with NTT DATA Our workplace embraces diversity and inclusion – it’s a place where you can grow, belong and thrive. Your day at NTT DATA We are seeking a highly skilled and visionary HPC / AI Infrastructure Architect – Pre-Sales Specialist to lead the technical design and architecture of large-scale AI infrastructure solutions. This role is pivotal in shaping next-generation AI Factories, supporting customer engagements, and driving technical excellence across compute, interconnect, and software stack domains. Define node configurations for diverse workload types including dense GPU nodes, cost-optimized nodes, and high-memory CPU nodes. Specify and validate performance metrics including compute throughput, memory bandwidth, and power consumption. Architect multi-tier interconnect networks using NVLink, InfiniBand, and high-speed Ethernet. Model performance for customer workloads and validate against industry benchmarks. Develop technical content for proposals including BoMs, compliance matrices, and scoring alignment. Design and expand lab infrastructure for AI workload testing and validation. Support lab operations including cluster configuration, workload orchestration, and software stack maintenance. Deploy and showcase customer-specific AI workloads including LLM training, computer vision, and scientific simulations. Manage proof-of-concept projects, define success criteria, and present outcomes to stakeholders. Lustre, GPFS, BeeGFS, NVMe-oF, S3-compatible object storage Kubernetes, Docker, Singularity / Apptainer Performance Tools : NVIDIA Nsight, ROCm, Intel VTune Red Hat Certified Specialist in OpenShift Proven experience with large-scale GPU deployments (1000+ GPUs) ~ Successful track record in technical bid support and customer engagement Opportunity to work on cutting-edge AI infrastructure projects Remote Working About NTT DATA NTT DATA is a $30+ billion trusted global innovator of business and technology services. We serve 75% of the Fortune Global 100 and are committed to helping clients innovate, optimize and transform for long-term success. 6 billion each year in R&D; to help organizations and society move confidently and sustainably into the digital future. As a General Top Employer, we have diverse experts in more than 50 countries and a robust partner ecosystem of established and start-up companies. Our services include business and technology consulting, data and artificial intelligence, industry solutions, as well as the development, implementation and management of applications, infrastructure, and connectivity. We are also one of the leading providers of digital and AI infrastructure in the world. NTT DATA is part of NTT Group and headquartered in Tokyo. NTT DATA is proud to be an Equal Opportunity Employer with a global culture that embraces diversity. Join our growing global team and accelerate your career with us. Third parties fraudulently posing as NTT DATA recruiters #