Dec 2021 – Feb 2023 · 1 yr 2 mos

• Accountable for availability, latency, performance, efficiency, change management, monitoring, and emergency response for over 6 global grids with more than 1.6 million cores.
• Managed and supported a large-scale LSF cluster equipped with NVIDIA V100 and H100 GPUs, optimizing performance for AI/ML, deep learning, and HPC workloads.
• Administer global computing resource management systems and services such as LSF and License Scheduler.
• Oversee LSF operations in Qualcomm's regional computing environments, while serving as an escalation point for Engineering IT leads.
• Perform LSF and License Scheduler configuration changes in large clusters using GIT.
• Collaborating with frontline support teams by troubleshooting and resolving Tier 3 LSF and general DRM issues related to service availability, performance, and SLA compliance.
• Interfacing with other Engineering Compute teams to drive follow-through of issue impacting GAT-managed services around the world.
• Decommission EOL servers and clusters to reduce licensing cost and promote effective utilization of compute resources.

Dec 2017 – Nov 2021 · 3 yrs 11 mos

• Troubleshooting of computing environment issues contributing to impaired resource management
• Create clear search criteria, report the compiled data and develop alerts within Splunk.
• Assisting in defining and documenting global grid environment standards.
• Supporting the LSF windows cluster environment.
• Perform LSF cluster installation and patch deployment across global grids.
• Provide critical engineering support during chip phase out or BTO/MTO.

Mar 2017 – Nov 2017 · 8 mos · On-site

• Tier 3 Linux support administrator
• Managing large (1000+ node) compute clusters using LSF or similar job schedulers.
• Administering network services such as DNS, NIS, NFS, LDAP, sendmail, ftp, rsync and SSH.
• Good knowledge of TCP/IP networking fundamentals
• Good experience with Linux imaging and configuration management using puppet, pxe, kickstart.
• Managing the Global LSF farm.
• Experienced with capacity planning, utilization review, and performance monitoring.
• Data Center point of contact for all high severity issues.

Nov 2016 – Feb 2017 · 3 mos · On-site

• Help build the world’s largest Cloud infrastructure
• Escalation point and technical troubleshooter for all Systems and Network hardware problems
• Remediation of physical layer outages, both Systems & Network
• Remediation or recovery of physical power issues on racks
• Experience Data Center layout, power, cooling, and rack space management
• Install & configure racks of hosts in line with internal SLAs
• Triage & resolve trouble tickets for all devices in the region
• Data Center point of contact for all High Severity issues
• Physical replacement of server and network device parts
• Ensure correct rotation of parts & spares
• Engage with Remote Hands & Eyes in EU Regional Cloudfront POPs
• Knowledge of AWS products: EC2, EBS, S3 etc.

Jan 2014 – Oct 2016 · 2 yrs 9 mos · On-site

• Platform LSF Administrator: Accountable for availability, latency, performance, efficiency, change management, monitoring, and emergency response of our managed LSF farm and services.
• IT Hardware procurement and cost analysis as per engineering forecast and planning.
• Experience of working with UCS/Dell/HP Blade servers.
• Good understanding of Data Center layout, power, cooling and rack space management.
• Understanding of networking/distributed computing environment concepts including NFS and DNS

Sep 2011 – Dec 2013 · 2 yrs 3 mos · On-site

• Provide advanced Linux (RHEL, CentOS, Ubuntu, SUSE) troubleshooting and technical support to the Engineering organization.
• Experience with and understanding of virtualized environments (VMware, Citrix Xen desktop environment, vSphere, Vcenter, ESX server).
• System installation and configuration, high performance computing, security, installing third-party software in very large environments.
• Participated in support case management related to Engineering infrastructure, in 24x7 on-call support rotation schedule.