Cognizant Hiring For Sr. HPC Engineer

Cognizant; Pune District, Chennai District, Bengaluru; On-site; INR 3,000,000 - 6,000,000; Full time

Job summary

Cognizant in Pune area seeks seasoned HPC infrastructure professionals to design, deploy and maintain HPC clusters, storage systems, and networking for demanding workloads. You will optimize compute, storage and interconnects, ensure security/compliance, and mentor a team across operations and automation.

The role focuses on hands-on leadership with Linux (CentOS/RHEL), Lustre/GPFS, InfiniBand and cluster management tools.

Qualifications

• Strong knowledge of Linux OS (CentOS/RHEL) and HPC hardware platforms (HPE, NVIDIA DGX).
• Hands-on experience with parallel file systems (Lustre, GPFS) and enterprise storage.
• Proficiency in InfiniBand networking and high-speed interconnects.
• Familiarity with job schedulers and cluster management tools (IBM LSF, Bright Cluster Manager, Altair Grid Manager).
• Automation & scripting with Ansible, Chef, Cobbler; Bash and Python proficiency.
• Experience with AWS ParallelCluster or similar cloud-based HPC solutions.
• Monitoring with Zabbix, Grafana, ELK Stack for health and performance.

Responsibilities

• HPC Infrastructure Management and operation of HPC clusters and storage systems.
• Configure and maintain InfiniBand networking and compute/storage hardware.
• Manage cluster scheduling and resource allocation using industry tools.
• Automate provisioning and configuration with Cobbler, Chef, Ansible, AWS ParallelCluster.
• Monitor systems with Zabbix, Grafana, and ELK Stack; tune performance and reliability.
• Ensure security compliance and documentation across the HPC environment.

Skills

Linux OS expertise

HPC hardware expertise

Networking (InfiniBand)

Storage administration

Security & Compliance

Monitoring & logging

Automation & scripting

Cluster scheduling

Team leadership

Documentation

Education

Bachelor's or Master's degree in Computer Science or Engineering

Tools

Bright Cluster Manager

Altair Grid Manager

IBM LSF

Cobbler

Chef

Ansible

AWS ParallelCluster

Zabbix

Grafana

ELK Stack

Lustre

GPFS

InfiniBand

HPE

NVIDIA DGX

CentOS/RHEL

Job description

Role Overview

We are seeking seasoned professionals with deep expertise in operating and managing High-Performance Computing (HPC) platforms. The ideal candidate will have hands‑on experience in designing, deploying, and maintaining HPC clusters, storage systems, and networking infrastructure, leveraging industry-leading tools and technologies.

Key Responsibilities

• HPC Infrastructure Management
• Operate and maintain HPC clusters based on CentOS, RHEL, and hardware platforms like HPE and NVIDIA DGX.
• Ensure optimal performance, scalability, and reliability of compute resources.
• Storage Administration
• Manage large‑scale storage systems including Dell Isilon, VAST Storage, Lustre, and GPFS.
• Implement data lifecycle management and optimize storage performance for HPC workloads.
• Networking
• Configure and maintain InfiniBand‑based networking for low‑latency, high‑bandwidth communication.
• Troubleshoot network performance issues and ensure secure connectivity.
• Cluster and Job Scheduling
• Administer cluster management tools such as Bright Cluster Manager, Altair Grid Manager, and IBM LSF.
• Optimize job scheduling and resource allocation for diverse workloads.
• Monitoring and Automation
• Implement monitoring solutions using Zabbix, Grafana, and ELK Stack.
• Automate provisioning and configuration using Cobbler, Chef, Ansible, and AWS ParallelCluster.
• Performance Tuning & Troubleshooting
• Conduct performance benchmarking and tuning for HPC workloads.
• Diagnose and resolve hardware/software issues across compute, storage, and network layers.
• Security & Compliance
• Ensure HPC environment adheres to security best practices and compliance standards.

Required Skills & Qualifications

• Technical Expertise
• Strong knowledge of Linux OS (CentOS, RHEL) and HPC hardware platforms (HPE, NVIDIA DGX).
• Hands‑on experience with parallel file systems (Lustre, GPFS) and enterprise storage solutions.
• Proficiency in InfiniBand networking and high‑speed interconnects.
• Familiarity with job schedulers and cluster management tools (IBM LSF, Bright Cluster Manager, Altair Grid Manager).
• Automation & Scripting
• Expertise in Ansible, Chef, Cobbler, and scripting languages (Bash, Python).
• Experience with AWS ParallelCluster or similar cloud‑based HPC solutions.
• Monitoring & Logging
• Practical experience with Zabbix, Grafana, and ELK Stack for system health and performance monitoring.
• Soft Skills
• Strong problem‑solving and analytical skills.
• Ability to work in a fast‑paced environment and lead technical teams.
• Excellent communication and documentation skills.

Preferred Qualifications

• Exposure to AI/ML workloads on HPC clusters.
• Experience with containerization (Docker, Singularity) in HPC environments.
• Knowledge of security hardening for HPC systems.

Education

• Bachelors or Master’s degree in Computer Science, Engineering, or related field.