Experience

hrtech

• Netherlands
• Information Services
• 1 - 100 Employee

• Senior Consultant

  • Aug 2023 - Present

  Singapore



Itron, Inc.

• United States
• Utilities
• 700 & Above Employee

• Technical Consultant

  • Apr 2023 - Jul 2023

  Singapore Consult customer on smart meter applications hosted in VMware/SaaS, and troubleshoot IPv6 network, IoT, RHEL, containers, PKI, Java, Apache Tomcat application related issues. Supported hardware/OS/Application upgrades and RCAs in FSTE/Production infrastructure to ensure high customer satisfaction..



Lumen Technologies

• United States
• Telecommunications
• 700 & Above Employee

• Solutions Engineer APAC (former CenturyLink)

  • Sep 2017 - Mar 2023

  Singapore Work in Lumen (formerly CenturyLink) as a Solutions Engineer and Technical Service Specialist who solution customer requests and integrated complex multi-tower deals spanning infrastructure and applications. • Solution design and implementation expertise in Managed Hosting Infrastructure, public and private Cloud (Azure & AWS), Datacenter, and Cybersecurity solutions. • Develop strong customer relationships and act as a customer advocate within Lumen to ensure the delivery of an… Show more Work in Lumen (formerly CenturyLink) as a Solutions Engineer and Technical Service Specialist who solution customer requests and integrated complex multi-tower deals spanning infrastructure and applications. • Solution design and implementation expertise in Managed Hosting Infrastructure, public and private Cloud (Azure & AWS), Datacenter, and Cybersecurity solutions. • Develop strong customer relationships and act as a customer advocate within Lumen to ensure the delivery of an exceptional customer success experience. • Present Lumen Business proposed solutions in a professional business environment, demonstrating salesmanship. • As a technical subject-matter expert, perform consultative, solutions-based design for business clients who desire outsourced infrastructure options to enhance their technical capabilities. • Ensure end-to-end Sales Force order process is completed such as Scenario Manager opportunity and quote, Offer Management requests, Sales Support Requests and Deal Support Requests. • Partner with Account executives and complete RFPs/RFQs submissions. • Handling migrations,Installations and upgrades of the On-prem/Cloud Server's OS and security patches. • Implemented Security Log Monitoring (SLM, SIEM,SOAR) and coordinated with the customers for implementations and alerts monitoring. • Information security capabilities maturity assessment, Compliance, Microsoft Purview, Azure Monitor. • Migration of on-prem resources to Azure cloud (Active Directory, landing zone) • Experience in DevOps and CI/CD tools such as Git, Jenkins, Ansible, Docker, Kubernetes, Terraform and Zabbix monitoring. • Knowledge of DevSecOps framework. • Knowledge in shell/bash and python scripting, analyzing and modifying the script. Show less



Path Infotech Ltd.

• India
• IT Services and IT Consulting
• 500 - 600 Employee

• Senior System Engineer

  • Aug 2015 - Sep 2017

  singapore Senior resident engineer support of Unix infrastructure at OCBC, Singapore, • Maintain & Update Unix servers and Cluster setup. • Critical Kernel Patching for Linux ( RHEL), Solaris, and AIX Environment. • Perform network vulnerability scanning of the IT infrastructure using QualysGuard • Monitoring and maintenance of Sun M series, T series, Servers, HP and Dell servers. • Veritas Service Pack & Roll patch updates. • VCS cluster Patching (Parallel / Sequential… Show more Senior resident engineer support of Unix infrastructure at OCBC, Singapore, • Maintain & Update Unix servers and Cluster setup. • Critical Kernel Patching for Linux ( RHEL), Solaris, and AIX Environment. • Perform network vulnerability scanning of the IT infrastructure using QualysGuard • Monitoring and maintenance of Sun M series, T series, Servers, HP and Dell servers. • Veritas Service Pack & Roll patch updates. • VCS cluster Patching (Parallel / Sequential method). • Upgrade system firmware for SUN, Dell and HP Products. • Maintain & Fix multipathing related issues. • grub & grub2 configuration and fix the issues. • Setup & fix the Linux bonding related issues. • Config & work on Linux modules. • PV, VG, LV creation & extend. • Linux snapshot creation and recovery. • Performance monitoring. • Automate day to day activities using scripting, HPSA and Ansible. • Incident/change management. • File System & Disk Management (UFS, VxFS, ZFS, ext FS, xfs, reiserfs..etc.). • Investigate and fix the console related issues. • Backup & Recover. • PXE boot Recovery and to fix boot problems. • Participated in the DR activities. • Troubleshoot and Perform Root Cause Analyze. • Constantly working with Project management & other departments. • Co-ordinate with the client to schedule maintenance windows and verify everything fine after activities. • Investigate/co-ordinate with Vendors for H/W replacements. Show less



Nityo Infotech

• United States
• IT Services and IT Consulting
• 700 & Above Employee

• System Administrator

  • Aug 2013 - Aug 2015

  Singapore Worked on DBS bank's Infrastructure team supporting the Bank's operations running in Solaris and RHEL servers. • RHEL and Oracle server administration. • Monitoring and maintenance of Sun M series, T series, Servers, HP and Dell servers. • Hands-on Experience in all out-of-band management DRAC and iLOM, ALOM, SC, RSC, XSCF, SCF, HPilom. • Hands-on Experience’s in working with Storage/Network/Virtualization/Datacenter’s Management. and Vendors for the outstanding issue to locate… Show more Worked on DBS bank's Infrastructure team supporting the Bank's operations running in Solaris and RHEL servers. • RHEL and Oracle server administration. • Monitoring and maintenance of Sun M series, T series, Servers, HP and Dell servers. • Hands-on Experience in all out-of-band management DRAC and iLOM, ALOM, SC, RSC, XSCF, SCF, HPilom. • Hands-on Experience’s in working with Storage/Network/Virtualization/Datacenter’s Management. and Vendors for the outstanding issue to locate and fix server outages. • Engaging Vendors for outstanding issues for fixes, root cause, Tech assistance or Break-fix Hardware replacements. • Middleware support for Weblogic and IBM MQ. • File system Administration, backups and restoration using ufsdump and tar. • Troubleshooting backup and restore problems and continuous monitoring of Unix system performance. • Troubleshooting of the end-user issues on Linux and Solaris based applications. • Kernel patching on Linux and Solaris servers. • File system Administration, configuring backup solutions. • Shell scripting and automation. Show less



Tata Consultancy Services

• India
• IT Services and IT Consulting
• 700 & Above Employee

• IT Analyst

  • Jul 2012 - Aug 2013

  Bengaluru, Karnataka, India Part of remote support team managing clients IT infrastructure. • Solaris, RHEL and SUSE OS installation and administration. • Monitoring the File System and CPU load for better performance on SUN/Linux servers. Ensuring high availability of servers and data as per SLA. • Scheduling of automatic repetitive Jobs with Cron and scripts. • Kernel Patch and Firmware upgrade of Linux and Solaris servers. • Administration of Unix user accounts. • Backup and restoration of root… Show more Part of remote support team managing clients IT infrastructure. • Solaris, RHEL and SUSE OS installation and administration. • Monitoring the File System and CPU load for better performance on SUN/Linux servers. Ensuring high availability of servers and data as per SLA. • Scheduling of automatic repetitive Jobs with Cron and scripts. • Kernel Patch and Firmware upgrade of Linux and Solaris servers. • Administration of Unix user accounts. • Backup and restoration of root file system and other file systems present on boot disk using ufsdump, ufsrestore and Veritas Netbackup. • Administering volumes using Linux LVM and Solaris Volume Manager. • Configuring and managing in Zones and ZFS files system. • Configuring and Managing in LDOMS and ESX virtual machines. Show less



IBM

• IT Services and IT Consulting
• 1 - 100 Employee

• System Operations Lead Specialist

  • Oct 2009 - Jul 2012

  Bengaluru, Karnataka, India Team lead for BAU support, knowledge transfer, project transition and Unix service delivery. • Part of Tier/Level 3 support team and final point of escalation in the organization, responsible to provide solutions to new issues/challenges for the Unix platform support. • Maintenance activities of the Solaris and Linux servers. • Accountable for implementing the standard, critical, non-critical and Emergency Change in all PROD and lower Environment Unix servers. • Work with the… Show more Team lead for BAU support, knowledge transfer, project transition and Unix service delivery. • Part of Tier/Level 3 support team and final point of escalation in the organization, responsible to provide solutions to new issues/challenges for the Unix platform support. • Maintenance activities of the Solaris and Linux servers. • Accountable for implementing the standard, critical, non-critical and Emergency Change in all PROD and lower Environment Unix servers. • Work with the application team in projects to perform/suggest the File system layouts and performance tuning options by owning the E2E(end to end) request tasks. • Responsible for End-to-End Maintenance/preventive activities including Layer Product up-gradation and Patching on Linux and Solaris servers. • Complete responsibility for all lower environment incidents and Escalation handling for Production server incidents. • Responsible to provide Root Cause Analysis and guiding production support for taking preventive actions. • Handle VCS (VERITAS CLUSTER SERVER) issues and product upgrades. • Deliver end-to-end support for RHEL 5-6 and Solaris 8-10 Servers and its services. • Troubleshoot Boot issues, Server panic, Network failure, Hardware failures. • SVM, VxVM, LVM and ZFS, complete file system management. • Fix file system issues and recovering data, re-layout or restructuring volumes as required • SVM root mirroring, VXVM encapsulation and removing it out of the volume managers for maintenance, fixing Volume manager issues and disk group migration etc. • Support SAN/DBA/apps team on activities like storage migration, DR activities and application failover. Show less



Seria Applied Research Pvt Ltd

• Professional Services Engineer

  • Jun 2007 - Oct 2009

  Bengaluru, Karnataka, India Professional Service Engineer- implement projects and support BAU for various clients. • Installation, configuration and troubleshooting of Solaris operating environment. • Providing 24 /7 Data Center & Remote support as Solaris and Linux System Administration for different clients. • Installation and Troubleshooting of Oracle Solaris 9/10/11. • Implementing of SVM:- RAID 0, RAID1, RAID5 Creation of Soft partition Failed Disk replacement Increasing File system with… Show more Professional Service Engineer- implement projects and support BAU for various clients. • Installation, configuration and troubleshooting of Solaris operating environment. • Providing 24 /7 Data Center & Remote support as Solaris and Linux System Administration for different clients. • Installation and Troubleshooting of Oracle Solaris 9/10/11. • Implementing of SVM:- RAID 0, RAID1, RAID5 Creation of Soft partition Failed Disk replacement Increasing File system with Growfs. • Installation of Software Packages and Patches • Knowledge of Disk Partitioning, Format & Mounting FS • ILOM Configuration • Providing day-to-day user administration like adding or deleting users, password ageing. • Back-up management using normal back-up with tar, ufsdump, ufsrestore, Netbackup. • Scheduling of automatic, repetitive Jobs using commands in Crontab. • Working knowledge of Solaris Zones. • Resizing the volumes and increasing the file system. • Management of SUN CLUSTER. • knowledge of ZFS • Up-gradation of EMC Legato Networker 7.6.3 to 7.6.4 • Sun and Veritas Cluster: • Cluster Administration & Switching Service groups. • Online and Offlining of service groups • Monitoring cluster services • Hardware Status monitoring, performance tuning • Administering SUN storage STK6140 like creation/deletion and mapping/ unmapping of LUNs to servers, volume resizing, creating and expanding VDs through CAM. • Adding and removing LTOs to and from Tape Library, cleaning of drives. • Providing handovers to the client from time-to-time regarding technical documents. • Problem escalations. • Taking support of Oracle support team for troubleshooting h/w and s/w related issues. • Replicating data from master volumes to shadow volume. •Monitoring and maintenance of Sun M series, T series, V Series and E series Servers, Tape Library SL48, SUN storage 6140 • Training new joiners. Show less