Client & Payroll : STL
- Sterlite Technologies Limited
- Direct Payroll

Location:
InfiniBand + HPC Cluster Administration + Slurm/PBS + HPE Performance Cluster Manager (HPCM). Exp : 5+ yrs Budget : Bangalore /Pune Max : 15 LPA

About the role
We are seeking a highly skilled High-Performance Computing (HPC) Administrator to design, deploy, maintain, and optimize large-scale compute clusters which could be used for advanced scientific, engineering and AI workloads. You will be responsible for managing high-density compute nodes, InfiniBand interconnects, job scheduling environments, ensuring high availability, scalability, and efficiency across the cluster ecosystem.

Key Responsibilities
Linux Skills
• Familiarity with one, or more, shell environments (BASH, sh, tcsh, ksh, etc.)
• Experience administering Linux (boot process, file systems, kernel modules)
• Familiarity with core OS services such as: SSH, telnet, FTP, NFS, DNS, DHCP, Samba, LDAP
• Familiarity with networking tools (ping, tracert, tracemon, tcpdump, etc.)
• Understanding of the OSI model and related concepts Cluster Administration
• Install, configure, and maintain Linux-based compute and login nodes.
• Manage workload schedulers (e.g., Slurm, PBS Pro) and optimize job throughput and queue performance.
• Oversee software provisioning, OS image deployment, and firmware updates across thousands of nodes.
• Manage HPC management frameworks such as HPE Performance Cluster Manager (HPCM), Bright Cluster Manager, or equivalent. Networking & Interconnect
• Monitor and tune high-speed fabrics such as InfiniBand (HDR/NDR)



including subnet managers (UFM, OpenSM) and link diagnostics.
• Need to ensure low latency, congestion-free data paths across compute and storage. Monitoring & Automation
• Implement comprehensive cluster monitoring using tools like Grafana, Prometheus, Nagios or Opsramp.
• Develop automation and orchestration scripts (Bash, Python, Ansible) for provisioning, health checks, and performance tuning.
• Proactively identify performance bottlenecks and propose corrective actions. Security & Compliance
• Maintain secure authentication, role-based access, and audit controls across nodes.
• Apply patches, enforce configuration management, and ensure compliance with organizational IT policies. Qualifications Essential:
• Bachelor’s degree in Computer Science, Engineering or a related technical field.
• Strong experience in Linux systems administration (RHEL/SLES/Ubuntu) in an HPC or data center environment.
• Minimum 5 years of experience in HPC administration is valuable.
• Hands-on expertise with Slurm, PBS Pro job schedulers.
• Familiarity with InfiniBand networking
• Proficiency in scripting (Bash, Python, or Ansible) and version control (Git).
• Good knowledge about the HPE Proliant Gen 10 or Gen11 servers is preferable. Desirable:
• Experience with containerized HPC (Singularity/Apptainer/Docker) and Kubernetes integration.
• Basic understanding of VMware is positive.
• Familiarity with Lustre/GPFS filesystems,
• Certifications like RHCSA/RHCE, or CKA or vendor-specific HPC administration credentials.

📌 InfiniBand + HPC Cluster Administration + Slurm/PBS + HPE Performance Cluster Manager (Bengaluru)
🏢 GC Technologies
📍 Bengaluru