Shravan Kumar Mamidala
HPC Consultant
Summary
Highly experienced and results-driven HPC Engineer and Linux System Administrator with over 15 years of experience in IT infrastructure, specializing in HPC cluster management, Linux/Unix administration, and CAE simulation environments. Proven expertise in managing and configuring SLURM, PBS Pro, LSF, virtualization with VMware/OVM, and deploying applications like Ansys, Abaqus, FEKO, CST, NanoFluidX, and more.
Overview
15
15
years of professional experience
Work History
HPC Consultant
Targus Technologies
08.2025 - Current
- Provide 24×7 production support for HPC clusters, including compute nodes, GPUs, storage, and high-speed networking.
- Act as part of a 24×7 on-call rotation, ensuring rapid response to critical HPC incidents and outages.
- Deliver round-the-clock operational support for workload managers (PBS), storage systems (Lustre), and user workloads.
- Support data center operations with 24×7 monitoring, troubleshooting, and incident resolution.
- Ensure high availability and minimal downtime through proactive alerts handling and emergency support.
- Support users with HPC application installation (ANSYS, Abaqus, NanoFluidX, CFD/CAE applications).
- Provide debugging support for MPI, OpenMP, and GPU workloads.
- Optimize application performance using compiler options and profiling tools.
Senior HPC Engineer
Tata Consultancy Services (TCS)
11.2022 - 08.2025
- Designed and implemented HPC clusters (CPU/GPU-based) with SLURM and PBS Pro for production workloads with high-bandwidth interconnects.
- Configured Fairshare policies, QoS, and license-based job prioritization.
- Creating queues and setup queues to limit usage of cores to fair usage.
- Benchmarked HPC performance in SOCA-based AWS environments for CAE tools.
- Implemented and tested new applications using slum and pbs submission scripts.
- Installed and supported software like Abaqus, Ansys, Moldflow and Altair products.
- Installation and configuration of GPU Post processing tools like Paraview and NanoFluidX.
- Upgraded license servers and perform performance troubleshooting in Networks like InfiniBand.
- Integrated custom SLURM Lua scripts to automate QoS adjustments based on license usage and job duration.
- Collaborated with application teams to debug and enhance performance of simulation jobs on heterogeneous compute nodes.
- Remediate hardware issues with Remote console like ILOM, IMM and VM consoles
- Creating DCV’s as per User’s requirements.
- Develop and maintain shell scripts for administration purposes.
- Providing resolution to all types of changes, incidents, and service requests within SLA
- Troubleshooting the issues and providing root cause analysis to customers
- Interact with both business customers and technical teams that are globally distributed and within varied time zones
- Engaging with vendors for problem resolution of existing infrastructure and discussion of roadmaps and new technologies for evaluations
Team Lead – HPC & IT Ops
IVL Global
03.2019 - 10.2022
- Led HPC and Linux/VMware support for Avaya with 1000+ VMs and 100+ host servers.
- Administered PBS Pro job scheduler, configured queues, and optimized license utilization.
- Implemented OS patching, Server Hardening (HIPAA, PCI compliant), and change management.
- Provided 24/7 support for datacenters, managed NFS mounts, ESXi upgrades, VM snapshots and restoration.
- Work with users to resolve problems and ensure they are able to effectively utilize the system
- Promoted a positive work environment by fostering teamwork, open communication, and employee recognition initiatives.
Linux System Administrator
Inetframe Technologies
12.2017 - 03.2019
- Supported Exalogic infrastructure for National Australia Bank (NAB).
- Resolved OEM alerts, configured ZFS snapshots, managed patching and ACLs.
- Diagnosed and resolved storage, network, and OS-level issues in critical banking systems.
- Implemented monitoring tools for real-time analysis of system performance, allowing for proactive identification of potential issues before they impacted users.
Team Lead – HPC Linux
Wipro Infotech
11.2016 - 12.2017
- Managed hybrid HPC Cluster (121 nodes with NVIDIA K20 GPUs) at ANURAG (DRDO).
- Providing Hard and soft limits within the cluster as per user requirements.
- Performed GPFS troubleshooting, job scheduler optimization, and compiler upgrades.
- Monitored clusters using Ganglia and IBM PCM.
Linux System Administrator
Aarvee Associates
06.2015 - 11.2016
- Administered office Linux systems.
- Managed Network, LVM, cron jobs, yum repositories, NFS, and SAMBA.
System Administrator
Sulekha.com Pvt Ltd
01.2011 - 05.2015
- Managed Linux/Windows servers, Provided full desktop and server infrastructure support.
Education
MBA - IT
Princeton PG College, Osmania University
Hyderabad03.2011
B-Tech - E.I.E
Swami Ramanada Thirtha Institute of Science And Tech, JNTU-HYD
Hyderabad05.2007
Board of Intermediate -
Aurobindo Jr College
Hyderabad03.2003
Board of Secondary school -
Sri Santosh Vidhya Niketan
Hyderabad03.2001
Skills
HPC Cluster Management (SLURM, PBS Pro, LSF)
Linux/Unix System Administration (RHEL, CentOS, Oracle Linux)
Simulation Software Deployment: Ansys, Abaqus, CST, FEKO, Moldflow
Cloud-based HPC (AWS SOCA experience)
License-aware Job Scheduling & QoS policies
Hands-on experience in Patching and Package Administration using yum, dnf and rpm
Monitoring Tools: Ganglia, Grafana
Ticketing & ITSM: ServiceNow, Remedy, HPSM
Hands-on experience in XCAT, GPFS, NFS
GPU and CUDA experience
Virtualization (VMware, ESXi, Oracle VM)
Personal Information
Disclaimer
I hereby declare that the above-mentioned information is correct up to my knowledge Sravan Kumar
Timeline
HPC Consultant
Targus Technologies
08.2025 - Current
Senior HPC Engineer
Tata Consultancy Services (TCS)
11.2022 - 08.2025
Team Lead – HPC & IT Ops
IVL Global
03.2019 - 10.2022
Linux System Administrator
Inetframe Technologies
12.2017 - 03.2019
Team Lead – HPC Linux
Wipro Infotech
11.2016 - 12.2017
Linux System Administrator
Aarvee Associates
06.2015 - 11.2016
System Administrator
Sulekha.com Pvt Ltd
01.2011 - 05.2015
MBA - IT
Princeton PG College, Osmania University
B-Tech - E.I.E
Swami Ramanada Thirtha Institute of Science And Tech, JNTU-HYD
Board of Intermediate -
Aurobindo Jr College
Board of Secondary school -
Sri Santosh Vidhya Niketan