May 2024 – Sep 2024 · 4 mos · Singapore · On-site

• 👉 𝐍𝐚𝐭𝐢𝐨𝐧𝐚𝐥 𝐒𝐮𝐩𝐞𝐫𝐜𝐨𝐦𝐩𝐮𝐭𝐢𝐧𝐠 𝐂𝐞𝐧𝐭𝐫𝐞, 𝐒𝐢𝐧𝐠𝐚𝐩𝐨𝐫𝐞
• 𝐀𝐒𝐏𝐈𝐑𝐄2𝐀 𝐏𝐥𝐮𝐬 - 𝐀𝐈 𝐒𝐮𝐩𝐞𝐫𝐜𝐨𝐦𝐩𝐮𝐭𝐞𝐫 𝐏𝐨𝐰𝐞𝐫𝐞𝐝 𝐛𝐲 𝐍𝐕𝐈𝐃𝐈𝐀 𝐃𝐆𝐗 𝐒𝐮𝐩𝐞𝐫𝐏𝐎𝐃 𝐖𝐢𝐭𝐡 𝐃𝐆𝐗 𝐇100
• 𝐍𝐯𝐢𝐝𝐢𝐚 𝐀𝐈 𝐃𝐆𝐗 𝐒𝐮𝐩𝐞𝐫𝐏𝐨𝐝 𝐋𝐢𝐧𝐮𝐱 𝐈𝐧𝐟𝐫𝐚𝐬𝐭𝐫𝐮𝐜𝐭𝐮𝐫𝐞
• ✔️ 𝐍𝐕𝐈𝐃𝐈𝐀 𝐃𝐆𝐗 𝐇100 𝐒𝐮𝐩𝐞𝐫𝐏𝐎𝐃 𝐀𝐝𝐦𝐢𝐧𝐢𝐬𝐭𝐫𝐚𝐭𝐢𝐨𝐧
• ✔️ 𝐀𝐈 𝐈𝐧𝐟𝐫𝐚𝐬𝐭𝐫𝐮𝐜𝐭𝐮𝐫𝐞 𝐚𝐧𝐝 𝐎𝐩𝐞𝐫𝐚𝐭𝐢𝐨𝐧𝐬 𝐅𝐮𝐧𝐝𝐚𝐦𝐞𝐧𝐭𝐚𝐥𝐬
• ✔️ 𝐍𝐕𝐈𝐃𝐈𝐀 𝐀𝐈 𝐄𝐧𝐭𝐞𝐫𝐩𝐫𝐢𝐬𝐞 𝐀𝐝𝐦𝐢𝐧𝐢𝐬𝐭𝐫𝐚𝐭𝐢𝐨𝐧 (𝐯3.0)
• ✔️ 𝐍𝐕𝐈𝐃𝐈𝐀 𝐁𝐚𝐬𝐞 𝐂𝐨𝐦𝐦𝐚𝐧𝐝 𝐌𝐚𝐧𝐚𝐠𝐞𝐫
• ✔️ 𝐃𝐃𝐍 𝐄𝐱𝐚𝐒𝐜𝐚𝐥𝐞𝐫 (𝐋𝐮𝐬𝐭𝐫𝐞)
• ✔️ 𝐍𝐕𝐈𝐃𝐈𝐀 𝐈𝐧𝐟𝐢𝐧𝐢𝐛𝐚𝐧𝐝
• ✔️ 𝗡𝗩𝗜𝗗𝗜𝗔 𝗦𝗽𝗲𝗰𝘁𝗿𝘂𝗺 𝘀𝘄𝗶𝘁𝗰𝗵𝗲𝘀 (𝗡𝗩𝗜𝗗𝗜𝗔 𝗖𝘂𝗺𝘂𝗹𝘂𝘀)
• ✔️ 𝐙𝐚𝐛𝐛𝐢𝐱 𝐌𝐨𝐧𝐢𝐭𝐨𝐫𝐢𝐧𝐠

Sep 2022 – May 2024 · 1 yr 8 mos · Singapore · On-site

• 👉 𝐍𝐚𝐭𝐢𝐨𝐧𝐚𝐥 𝐒𝐮𝐩𝐞𝐫𝐜𝐨𝐦𝐩𝐮𝐭𝐢𝐧𝐠 𝐂𝐞𝐧𝐭𝐫𝐞, 𝐒𝐢𝐧𝐠𝐚𝐩𝐨𝐫𝐞
• ✔️ 𝑴𝒂𝒏𝒂𝒈𝒊𝒏𝒈 𝑺𝒊𝒏𝒈𝒂𝒑𝒐𝒓𝒆'𝒔 1𝒔𝒕 & 2𝒏𝒅 𝑺𝒖𝒑𝒆𝒓𝒄𝒐𝒎𝒑𝒖𝒕𝒆𝒓:-
• ✔️ 𝑨𝑺𝑷𝑰𝑹𝑬-1 & 𝑨𝑺𝑷𝑰𝑹𝑬2𝑨 𝐒𝐮𝐩𝐞𝐫𝐜𝐨𝐦𝐩𝐮𝐭𝐞𝐫 𝐏𝐨𝐰𝐞𝐫𝐞𝐝 𝐁𝐲 𝑯𝑷𝑬 𝑪𝒓𝒂𝒚 𝑬𝒙𝒂𝑺𝒄𝒂𝒍𝒆 𝒔𝒖𝒑𝒆𝒓𝒄𝒐𝒎𝒑𝒖𝒕𝒆𝒓)
• ✔️ 𝑯𝑷𝑬 𝑪𝒓𝒂𝒚 𝑪𝒍𝒖𝒔𝒕𝒆𝒓𝑺𝒕𝒐𝒓 𝑬1000 𝑺𝒚𝒔𝒕𝒆𝒎 𝑨𝒅𝒎𝒊𝒏𝒊𝒔𝒕𝒓𝒂𝒕𝒊𝒐𝒏 (𝑳𝒖𝒔𝒕𝒓𝒆)
• ✔️ 𝑯𝑷𝑬 𝑷𝒂𝒓𝒂𝒍𝒍𝒆𝒍 𝑭𝒊𝒍𝒆 𝑺𝒚𝒔𝒕𝒆𝒎 𝑺𝒕𝒐𝒓𝒂𝒈𝒆 - (𝑮𝑷𝑭𝑺)
• ✔️ 𝑯𝑷𝑬 𝑪𝒓𝒂𝒚 𝑬𝑿 𝑺𝒚𝒔𝒕𝒆𝒎 𝑨𝒅𝒎𝒊𝒏𝒊𝒔𝒕𝒓𝒂𝒕𝒊𝒐𝒏 𝒘𝒊𝒕𝒉 𝑯𝑷𝑬 𝑷𝑪𝑴
• ✔️ 𝑯𝑷𝑬 𝑪𝒓𝒂𝒚 𝑬𝑿 𝑷𝒓𝒐𝒈𝒓𝒂𝒎𝒎𝒊𝒏𝒈 𝒂𝒏𝒅 𝑶𝒑𝒕𝒊𝒎𝒊𝒛𝒂𝒕𝒊𝒐𝒏
• ✔️ 𝑪𝒉𝒆𝒄𝒌𝑴𝒌

Jun 2017 – Jul 2023 · 6 yrs 1 mo · Singapore · On-site

• 👉 𝐍𝐚𝐭𝐢𝐨𝐧𝐚𝐥 𝐒𝐮𝐩𝐞𝐫𝐜𝐨𝐦𝐩𝐮𝐭𝐢𝐧𝐠 𝐂𝐞𝐧𝐭𝐫𝐞, 𝐒𝐢𝐧𝐠𝐚𝐩𝐨𝐫𝐞
• ✔️ 𝑴𝒂𝒏𝒂𝒈𝒊𝒏𝒈 𝑺𝒊𝒏𝒈𝒂𝒑𝒐𝒓𝒆'𝒔 1𝒔𝒕 𝑺𝒖𝒑𝒆𝒓𝒄𝒐𝒎𝒑𝒖𝒕𝒆𝒓 - 𝑨𝑺𝑷𝑰𝑹𝑬-1
• (Fujitsu Asia Pte. Ltd - FAPL)
• 𝑪𝑲𝑨𝑫: 𝑪𝒆𝒓𝒕𝒊𝒇𝒊𝒆𝒅 𝑲𝒖𝒃𝒆𝒓𝒏𝒆𝒕𝒆𝒔 𝑨𝒑𝒑𝒍𝒊𝒄𝒂𝒕𝒊𝒐𝒏 𝑫𝒆𝒗𝒆𝒍𝒐𝒑𝒆𝒓
• 𝑪𝑲𝑨: 𝑪𝒆𝒓𝒕𝒊𝒇𝒊𝒆𝒅 𝑲𝒖𝒃𝒆𝒓𝒏𝒆𝒕𝒆𝒔 𝑨𝒅𝒎𝒊𝒏𝒊𝒔𝒕𝒓𝒂𝒕𝒐𝒓
• 𝑯𝒂𝒔𝒉𝒊𝑪𝒐𝒓𝒑 𝑪𝒆𝒓𝒕𝒊𝒇𝒊𝒆𝒅: 𝑻𝒆𝒓𝒓𝒂𝒇𝒐𝒓𝒎 𝑨𝒔𝒔𝒐𝒄𝒊𝒂𝒕𝒆
• 𝑨𝑾𝑺 𝑪𝒆𝒓𝒕𝒊𝒇𝒊𝒆𝒅 𝑫𝒆𝒗𝒆𝒍𝒐𝒑𝒆𝒓 - 𝑨𝒔𝒔𝒐𝒄𝒊𝒂𝒕𝒆
• 𝑨𝑾𝑺 𝑪𝒆𝒓𝒕𝒊𝒇𝒊𝒆𝒅 𝑫𝒆𝒗𝑶𝒑𝒔 𝑬𝒏𝒈𝒊𝒏𝒆𝒆𝒓 - 𝑷𝒓𝒐𝒇𝒆𝒔𝒔𝒊𝒐𝒏𝒂𝒍
• 𝑨𝑾𝑺 𝑪𝒆𝒓𝒕𝒊𝒇𝒊𝒆𝒅 𝑺𝒐𝒍𝒖𝒕𝒊𝒐𝒏 𝑨𝒓𝒄𝒉𝒊𝒕𝒆𝒄𝒕 - 𝑷𝒓𝒐𝒇𝒆𝒔𝒔𝒊𝒐𝒏𝒂𝒍.
• 𝑨𝑾𝑺 𝑪𝒆𝒓𝒕𝒊𝒇𝒊𝒆𝒅 𝑺𝒚𝒔𝑶𝒑𝒔 𝑨𝒅𝒎𝒊𝒏𝒊𝒔𝒕𝒓𝒂𝒕𝒐𝒓 - 𝑨𝒔𝒔𝒐𝒄𝒊𝒂𝒕𝒆.
• 𝑨𝑾𝑺 𝑪𝒆𝒓𝒕𝒊𝒇𝒊𝒆𝒅 𝑺𝒐𝒍𝒖𝒕𝒊𝒐𝒏𝒔 𝑨𝒓𝒄𝒉𝒊𝒕𝒆𝒄𝒕 - 𝑨𝒔𝒔𝒐𝒄𝒊𝒂𝒕𝒆
• 𝑪𝒆𝒓𝒕𝒊𝒇𝒊𝒆𝒅 𝒊𝒏 “𝑰𝒏𝒕𝒓𝒐𝒅𝒖𝒄𝒕𝒊𝒐𝒏 𝒕𝒐 𝑨𝑰 𝒊𝒏 𝒕𝒉𝒆 𝑫𝒂𝒕𝒂 𝑪𝒆𝒏𝒕𝒆𝒓” 𝒃𝒚 𝒏𝑽𝒊𝒅𝒊𝒂
• 𝑪𝒐𝒎𝒑𝒍𝒆𝒕𝒆𝒅 “𝑯𝒊𝒈𝒉-𝑷𝒆𝒓𝒇𝒐𝒓𝒎𝒂𝒏𝒄𝒆 𝑪𝒐𝒎𝒑𝒖𝒕𝒊𝒏𝒈 𝒘𝒊𝒕𝒉 𝑪𝒐𝒏𝒕𝒂𝒊𝒏𝒆𝒓𝒔 - 𝑺𝒊𝒏𝒈𝒖𝒍𝒂𝒓𝒊𝒕𝒚 & 𝑫𝒐𝒄𝒌𝒆𝒓” 𝒃𝒚 𝒏𝑽𝒊𝒅𝒊𝒂
• 𝑪𝒆𝒓𝒕𝒊𝒇𝒊𝒆𝒅 “𝑴𝒊𝒄𝒓𝒐𝒔𝒐𝒇𝒕 𝑻𝒆𝒄𝒉𝒏𝒐𝒍𝒐𝒈𝒚 𝑨𝒔𝒔𝒐𝒄𝒊𝒂𝒕𝒆 (𝑴𝑻𝑨): 𝑰𝒏𝒕𝒓𝒐𝒅𝒖𝒄𝒕𝒊𝒐𝒏 𝒕𝒐 𝑷𝒓𝒐𝒈𝒓𝒂𝒎𝒎𝒊𝒏𝒈 𝒖𝒔𝒊𝒏𝒈 𝑷𝒚𝒕𝒉𝒐𝒏”
• NVIDIA DGX-1 Deep Learning - AI Supercomputer deployment, administration & integration with PBS professional.
• [𝑪𝒆𝒓𝒕𝒊𝒇𝒊𝒄𝒂𝒕𝒆 𝑰𝒏 𝑺𝒖𝒑𝒆𝒓𝒄𝒐𝒎𝒑𝒖𝒕𝒊𝒏𝒈] - The University Of Edinburgh & Partnership For Advanced Computing In EUROPE (PRACE)
• [𝑪𝒆𝒓𝒕𝒊𝒇𝒊𝒄𝒂𝒕𝒆 𝑰𝒏 𝑯𝒊𝒈𝒉 𝑷𝒆𝒓𝒇𝒐𝒓𝒎𝒂𝒏𝒄𝒆 𝑪𝒐𝒎𝒑𝒖𝒕𝒊𝒏𝒈 𝑰𝒏 𝑻𝒉𝒆 𝑪𝒍𝒐𝒖𝒅] - Dublin City University and Cloud Lightning.

Jan 2015 – Jun 2017 · 2 yrs 5 mos · Singapore · On-site

• Part of CBB (Compute Backbone/Bigdata Hadoop) Support & Operations team, supported Symphony Grid infrastructure globally.
• Provided 24/7 weekend/weekday on call/out of hours, L2/L3 support to mission critical Symphony Grid Computing Infrastructure.
• Supported internal on-premise cloud computing platform as a service (PAAS) for (HPC) IBM Symphony/LSF Grid infrastructure.
• Responsible for the end to end infrastructure support, implementation & administration of IBM Symphony/LSF Grid infrastructure.
• Work comprise of Linux, GPFS storage server, Platform symphony/LSF & Hadoop administration.
• Life cycle of plan, build & operate support model, provisioned GPFS/GSS, Symphony grid cluster.
• Supported Grid comprised of clustered Linux servers(IBM/Lenovo/RHEL), (GPFS/GSS/xCat/platform symphony).
• BAU-HPC cluster health check/fixed problematic nodes/GPFS/payload/GPU/CPU driver.
• Cloudera Hadoop administration- Install/configure Cloudera/Hortonworks Hadoop cluster builds, commission/decommission node.
• Hadoop Ecosystem-MRv2, Yarn, HDFS, Hue, Spark, Flume, Sqoop, Hbase, Zookeeper, Hive, Pig, Cloudera Impala, ambari, JVM.
• HDFS/Zookeeper YARN, Kerberos, add/remove hadoop services, role assignments, cluster re-balance, directory snapshots(HDFS).
• OS provisioning-xCat/Cobbler/ Kickstart/Ansible/Puppet/cfEngine. Linux/gpfs troubleshooting.
• IBM Symphony Grid concepts- SD/SSM/SIM, SOA, EGO, scheduling, reporting, consumer, applications, resource group, plan.Applied RHEL OS and GPFS/GSS updates/patches across the Symphony grid.
• Platform Symphony Install/configure master/failover/compute hosts, application deployment
• egosh-Close/Reclaim/Stop/Start/freeze/migrate ego service/host, user/host service, resource mgmt., fixed blocked hosts.
• Symphony grid troubleshooting/reporting/resilience & rejoined computes nodes back to the grid after maintenance.
• SOA workload mgmt-soamcontrol/soamview/soamapp/soamdeploy/soamregister, view/control workload, deploy/rollback package.

Jun 2012 – Dec 2014 · 2 yrs 6 mos · Singapore

• 𝑴𝒂𝒓𝒌𝒊𝒕 𝒊𝒔 𝒂 𝒍𝒆𝒂𝒅𝒊𝒏𝒈 𝒈𝒍𝒐𝒃𝒂𝒍 𝒅𝒊𝒗𝒆𝒓𝒔𝒊𝒇𝒊𝒆𝒅 𝒑𝒓𝒐𝒗𝒊𝒅𝒆𝒓 𝒐𝒇 𝒇𝒊𝒏𝒂𝒏𝒄𝒊𝒂𝒍 𝒊𝒏𝒇𝒐𝒓𝒎𝒂𝒕𝒊𝒐𝒏 𝒔𝒆𝒓𝒗𝒊𝒄𝒆𝒔. 𝑾𝒆 𝒑𝒓𝒐𝒗𝒊𝒅𝒆 𝒑𝒓𝒐𝒅𝒖𝒄𝒕𝒔 𝒕𝒉𝒂𝒕 𝒆𝒏𝒉𝒂𝒏𝒄𝒆 𝒕𝒓𝒂𝒏𝒔𝒑𝒂𝒓𝒆𝒏𝒄𝒚, 𝒓𝒆𝒅𝒖𝒄𝒆 𝒓𝒊𝒔𝒌 𝒂𝒏𝒅 𝒊𝒎𝒑𝒓𝒐𝒗𝒆 𝒐𝒑𝒆𝒓𝒂𝒕𝒊𝒐𝒏𝒂𝒍 𝒆𝒇𝒇𝒊𝒄𝒊𝒆𝒏𝒄𝒚.
• Part of Global SysOps team & provided production/project/app infra support to Markit’s critical trading environment.
• Infrastructure consists of highly available, (F5) load balanced, replicated, clustered servers (HP ProLiant BL/DL, C-class) running Oracle/Apache/MQ/Splunk/ Jboss on RHEL/Solaris/vSphere/cloud/NAS/SAN spread across NA/EMEA.
• Worked in a SysOps/DevOps environment- Coordinated with dev teams for releases of in-house/third-party products.
• Supported RHEL/Unix servers running Apache/Jboss/Red Hat Cluster in Prod/UAT/QA/Test/demo environment.
• Coordinated different teams to deploy different builds to different environments, including Prod/UAT/QA/Test/demo/Dev.
• Provided up to 3rd Level technical support (“follow the sun” model), after-hours, on-call & weekend (24/7) support.
• Support, administration of VMware/NetApp/RHEL (4/5/6) /Red Hat Cluster/Satellite, Puppet, VCS, VMware View.
• Handled servers/application escalations & resolved Jira incidents/changes escalated by lower levels of support.
• Configured, troubleshooted RHCS, Memcached, Postfix, NFS, FTP, Iptables, Jboss, Puppet issues.
• Supported weekend Markit product releases, applied product patches, data center migration/power down, DR/BCP.
• Participated in US/UK (DR) disaster recovery, failover, failback activities in NetApp SnapMirror/VVR environment.
• Linux patch/updates Upgraded kernel, applied OS patches/updates on RHEL-4/5/6 servers using PSSH (Parallel SSH).
• Implemented Linux security, hardening, monitoring, resolved performance/kernel/server related issues on RHEL/vSphere.

Jun 2011 – Jun 2012 · 1 yr · Singapore

• Worked in Global Unix Team and responsible for day to day server administration incidents/changes/service requests etc.
• Rebuild/ reconfigure Linux/Unix server using PXE boot/Kickstart/Jumpstart environment on Oracle/HP hardware.
• Supported around 15000+ servers (Solaris, SuSE Linux, AIX) which includes physical and virtual infrastructure.
• Servers with mix heterogeneous environment (HP, Oracle,Fujitsu & SUN) and models with different virtualization technologies from VMware to Solaris Zones.
• Day to day server administration including Veritas products such as VCS/VXVM etc and Oracle/EMC SAN technologies.
• Applied certified OS patch on SUSE Linux/Solaris servers & SAN stack install/upgrade (VCS/VxVM/SYMcli/HBA firmware/lpfc/Symmetrix/ PowerPath)
• Participated in US/UK (DR) disaster recovery, failover, failback activities in SAN/SRDF/VCS environment.
• Backed out applied OS updates on SUSE\RHEL Linux using LVM SNAPSHOTS/REAR method in case application issues.

Nov 2006 – Jun 2011 · 4 yrs 7 mos · Bengaluru Area, India

• Worked for large Data centers spanning across NA/APAC/EMEA
• Supported all Solaris (8/9/10)/RHEL-2/3/4/5 servers running Keon/MQ/Oracle on SUN/IBM/HP hardware.
• Supported virtual infrastructure running on Solaris Zones/Containers, LDOMS/VMware ESX/ Linux KVM.
• Worked effectively as part of geographically dispersed, culturally diverse virtual teams in NA/APAC/EMEA.
• A background of 24x7 mission-critical & On-call environments, full change control process, systems monitoring.
• Installing, upgrading, patching and configuring SUN Solaris 8/9/10 on Sun Servers & RHEL on HP/IBM h/w.
• Completed Solaris/Linux server reinstall/rebuild/reconfigure using Jumpstart/Kickstart/Cobbler.
• Extensive experience in setup, configuration, upgrade, maintenance & troubleshooting on different UNIX flavors
• Experienced in Volume/Disk management, software RAID solutions using VxVM/LVM/SVM/ZFS.
• Coordinated with SAN Team for storage allocation & extended file system using VxVM/LVM /ZFS.
• Supported high availability/SRDF, business persistence, fail-over/fail-back using VCS in SAN environment.
• Ability to handle significant workload in managing multiple projects in a matrix process environment.

Jan 2006 – Oct 2006 · 9 mos · Bengaluru Area, India

• Remotely managed Red Hat Linux/Fedora core/FreeBSD/OpenBSD production servers.
• Performed Linux backup and recovery and providing remote technical support to US office.
• Communication with US vendors & onsite engineers on conference call & mails.
• Installed UNIX software, maintained appropriate maintenance levels and tuning.
• Led technical projects from start to finish while working within project management guidelines.
• Worked on ImageStream Linux Router/Firewall appliance and took care of VPN connectivity.

Aug 2004 – Dec 2005 · 1 yr 4 mos · Bengaluru Area, India

• Configured & managed RHEL production boxes for GE worldwide Network devices using OpenNMS.
• Customized scripts for performance tuning and process automation in Core java & Shell Script.
• Coordinated with US/UK vendors & client on conference call & mails and performed backup.
• Remotely monitored & managed RHEL Servers, Firewalls using Snort, Big brother/Nagios.
• Provided technical support for 10 Major customers (India/US/UK) and worked on RHEL Servers.

Mar 2004 – Aug 2004 · 5 mos · New Delhi Area, India

• Provided online technical support on Linux servers to international clients through mail.
• Performed web hosting and trouble shooting on Linux server using CPANEL/ENSIM/PLESK.
• Performed R & D on new projects as per client requirement and Linux Servers Backup.
• Developed scripts for systems monitoring and users log management.
• Performed Virtual hosting on servers running Linux/FreeBSD.
• Solved day to day Linux related issues with mail servers(Exim /Sendmail)/Web server (Apache/Tomcat)

Dec 2003 – Feb 2004 · 2 mos · New Delhi Area, India

• Performed website integration,testing, management and Linux Administration.
• Performed web hosting using PLESK control panel.