Dineshbabu Rajakani

682-***-**** admuo8@r.postjobfree.com

Summary:

IT professional with 13+ years in the Field of Unix System Administration with broad technical experience and passion for working with the latest technologies. Has ability to strategically plan, manage and lead the Information & Technology requirements in any organization and provide leading edge solutions that meet and exceed customer expectations.

Technical Skills:-

● RHEL 6, RHEL7

● VERITAS volume manager

● VERITAS Cluster

● Veritas Netbackup

● Solaris 9,10

● LDOMs, Zones

● Data Centre Migration

● HP DL G7/G8/G9/G10, Sparc T Series

● Knowledge on Devops (Git, Jenkins, Docker, Kubernetes) Certifications:

● RedHat Certified Specialist In Ansible Automation

● Sun Certified System Administrator in Solaris 10 (SCSA) Education Qualification:

Bachelor of Engineering in Electrical and Electronics, Anna University(Jun 2002- May 2006) Technical Skills:

Operating System: Red Hat Linux 6 & 7, ORACLE Solaris 8,9&10 Server Apps: Veritas InfoScale High Availailiy Cluster, Veritas Volume Manager (VXVM), LVM, SVM, ZFS

Configuration Mgmt Tools: Ansible

Vitualization: Control Domain, Logical Domain, Zones, VM’s,Docker,Kubernetes

Career Profile:

I. Client: CITI Bank- Irving, Texas– Lead Administrator (Dec 2019 – Till Date) Environment: RHEL 5/6/7 Servers, Veritas Infoscale High Availability Cluster, Ansible, ConfidDB, BMCperf, TAD4D

Responsibilities: LEAD Administrator

● Remediating service requests assigned in a timely manner

● Troubleshoot Veritas Startup/Resource issues

● Troubleshooting Jeopardy and Network partition issues in VCS

● Performing node addition/deletion request in VCS

● Managing Service Groups and resources in VCS

● Responsible for performing Incident Management, Service Request, Problem

● Management and Change Management for Prod and Non-Prod environments.

● LVM management creating, modifying deleting of volume groups, and logical volumes

● Fixing servers chronic issues & performance issue escalations from application and DBA team and handling L1/L2 team escalation and support.

● System Maintenance - scheduled upgrades/maintenance, startup and shutdown of network and system component(s)

● Working closely with both insourced and outsourced teams in comprehensive management of IT Operations to ensure strategic initiatives are being met

● Check all cut-over documentation with all necessary steps and configurations to be tested before the server moves to production.

● Performing Incident Management, Service Request, Problem Management and Change

● Management for Prod and Non-Prod environments.

● Building and Supporting Linux along with VxVm and Veritas Infoscale High Availability Cluster

● Setup, upgrade and administration of Veritas volume manager and HA clusters.

● SAN migration, Server Decom, VTM Patching

● Continuity of Business set-up and quarterly checks

● Determine organization’s system needs for major month end and quarter end processing and install Linux servers or adjust existing configurations according to the requirements.

● Collaborated with cross functional teams to analyze, investigate and diagnose root cause of problems, as well as completion of corrective actions.

● UNIX platform migration planning, implementation across all UNIX H/W.(IBM/Vmware/LDOM)

Project 2: DataCenter Migration, Chennai, CITI(Jan 2019 to Nov 2019) Environment: 500 Redhat Linux 5/6 Physical servers, 1000 VM, Veritas InfoScale HA Clusters Responsibilities: Readiness Support

● I have been part of the DC migration team involved in migrating the servers from the Singapore Cintech2 location to Equinix Data Centre.

● Responsible for coordinating with the respective teams to perform flawless migration for HCX and L&S migrations.

Project 3: Projects and BAU, Allied Irish Bank, Ireland.(May 2018 to Jan 2019) Environment: 3000 Redhat Linux 6/7 Physical and Virtual Servers, 200 Solaris 10 Physical servers, LDOMS, Zones, Veritas Infoscale High Availability Cluster) Responsibilities: Lead BAU administrator

● Setup, upgrade and administration of Veritas volume manager and HA clusters.

● Setup HA and IO Fencing

● Troubleshoot Veritas Startup/Resource issues

● Troubleshooting Jeopardy and Network partition issues in Veritas Infoscale High Availability Cluster

● Configuring Service Group and required resources

● Node addition and deletion activities

● Support Enterprise banking servers in deploying newer updates and remediating vulnerabilities detected on the servers.

● LVM management creating, modifying deleting of volume groups, and logical volumes

● Worked on Solaris virtual environments including Zones and LDOMs

● Booting Process and troubleshooting issues in boot Process

● Adding the LUN to the server and Increasing/Reduce the file system or ASM DISK by providing the end to end support by working with the storage team.

● Participating in change record meetings and representing changes.

● Monitoring and handling of all alerts from Linux and Solaris servers

● Installation & configuration of HBA cards for External Storage.

● Kernel Upgrade, Firmware and BIOS Upgrade for Linux machines as and when required with Scheduled downtime.

● Performing patching on Linux servers

Project 4: Solaris Frame, Chennai, CITI (July 2014 to May 2018) Environment: 100 Frames,300 LDOMs built on top of T-Series Servers Responsibilities: Lead Project and BAU support

● Building Control Domains and Ldoms

● Provisioning resources(CPU, Memory and Disk) to LDOMs

● Handled all BAU related issues on CDOMs and LDOMs.

● Involved on all patching activities.

● Prepared documentations and provided knowledge transfer to the team. II.Organization: TCS, Chennai – IT Analyst – (Oct 2011-July 2014) Project: CIBC (Canadian Imperial Bank of Commerce), Canada Responsibilities: BAU support

● Environment consists of Linux and Solaris Flavors with Veritas Infoscale High Availability Cluster setup

● Raised change tickets and implemented it based on the request from teams and customers.

● Updated data to all the customers at frequent intervals.

● Created and frequently updated SOP documentation.

● Worked with hardware vendors in getting parts replaced.

● Hardware and software functionality will be tested for its maximum capacity and upgraded if needed to meet the future requirements.

● Handled the failed disk replacement in Linux Hardware RAID, SVM and VXVM.

● Scheduled the Cron Jobs associated with every application.

● Decommissioned the older environments after dry run after a scheduled runtime

● Coordinated with the datacenter engineers for server maintenance

● Package Management with RedHat Satellite server

● CDOM and LDOM build in Solaris Frames

● Managing services via SMF

III.Organization: Mphasis Ltd., Chennai - Specialization Senior Infra – (Oct 2010- Oct 2011) Project: British Petroleum, UK

Environment: 4000 Solaris10 servers with Veritas Infoscale High Availability Cluster. Responsibilities: BAU support

● Managed physical volumes, volume groups and logical volumes with their filesystems

● Participated in change record meeting and represented changes.

● Interacted with Vendors, whenever there is a Hardware issue or for RCA.

● LVM management creating, modifying deleting of volume groups, and logical volumes

● Performed node addition/deletion request in Veritas Infoscale High Availability Cluster

● Handled the step by step Disk Based I/O Fencing Configuration

● Administered the patch and package tasks on Linux

● Created/Managed volumes in LVM and VXVM

● Performed Storage and host level storage migration

● Adding the LUN to the server and Increasing/Reduce the file system or ASM DISK by providing the end to end support by working with the storage team. IV.Organization: HCL TECHNOLOGIES, Chennai – Specialist – (Sep2008 - Oct 2010) Project: Parexel, US

Environment: 500 Linux& Solaris9/10 Servers

● Troubleshooting booting problems in Linux

● Configured Network Multi-pathing in Linux

● Managed physical volumes, volume groups and logical volumes with their filesystems

● Handled the failed disk replacement in Linux Hardware RAID,SVM and VXVM.

● Worked on yum repositories

● Participated in change record meeting and represented changes. V. Organization: Reliance BPO

Designation: Technical support Executive

Duration: SEP 2007 – SEP 2008

Job Responsibilities:

● Configuring and Troubleshooting of internet and intranet issues.

● Troubleshooting of hardware and software related issues.

● Installing various application softwares such as MS office, Adobe, SAP.

● Handling on-floor escalation and assisting agents on the call.

● Configuring and troubleshooting lotus notes client.

● Remote Login Tools: VNC, Net meeting and Intelliadmin.

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