System Administrator Support

Needis Chakaravarthi R

adfbsc@r.postjobfree.com/Cell: +91-988*******

Chennai, Tamil Nadu, India.

Summary:

** + years of experience as an application/production support specialist and technical lead with demonstrated success in supporting different Banking & Financial applications and its overnight batch processing for reporting and analysis purpose with Business User support. Good experience in working with Change Management and Ticketing tools.

Completed – ITIL V3, AWS Solutions Architect - Associate

Coordinated with the team in laying ITIL processing for the engagement and assisted the team to leverage the ITIL framework for enhanced quality of delivery.

A good team player with strong problem detection and resolution skills.

Strong hold on Control-M & ETL batch processing, along with Unix/Linux,.

Worked in Tech Mahindra Ltd., Contract [Eye Global solutions Pvt Ltd] – 11 Months

Working in Cognizant Technology Solutions India Pvt. Ltd. From Jun,2007 – Jun’2020.

Having knowledge in Kubernetes, Docker.

Education:

Title of the Degree

College/University

Bachelor of Science

Thanthai Hans Roever College, Perumbalur/Bharathidasan University, Trichi, Tamil Nadu, India.

Master of Science

Vysya College/ Periyar University, Salem, Tamil Nadu, India.

Technical Skills:

Operating System

Windows all versions & flavors, Linux & UNIX (Sun Solaris, & IBM-AIX)

Programming Languages

Shell scripting.

Databases & Tools

TOAD, Precise, TFS, Documentum

Other Utilities

Scheduling: IBM Tivoli, work Scheduler Control-M and Crontab

ETL: Informatica, Beta 92

Web/App Server: WAS, WPS

1-Project Profile:

Client Name

First data

Duration

Dec’2017 – Apr’2020

Team Name

ASI Production, Cognizant Tech Solutions, Chennai

Operating Systems

Windows, Unix & Linux

Team Role

Linux System Administrator

Roles and Responsibilities:

Veritas cluster,LVM and VxVm

Knowledge in Shell scripting.

Daily system monitoring, verifying and reviewing all hardware, server resources, systems and key processes etc.

Regular security monitoring to identify possible disturbance, performing daily backup operations.

Investigating and troubleshoot all issues related to IT infrastructure for internal teams or clients using telephone/emails etc.

Maintain operational, configuration, or other procedures. Performing regular updates and upgrades as and when necessary.

Install new / rebuild existing servers and configure hardware, peripherals, services, settings, directories, storage, etc. in accordance with standards and project/operational requirements of the company/client.

Build, Deploy and Monitor applications in PROD / CAT.

Health check / Monitoring / SLA / impact Reports.

Experienced in production incident research and resolution.

Servers-side and load balancer certificate management.

Expertise in Server patching, database patching, Firewall and server issues.

Co-ordinate Vendor related requests for change/fix/information/reports.

Batch files processing and troubleshooting,

Performance monitoring and fine tuning in Linux server.

VMax migration activities in Linux Servers.

File sharing using NFS and autofs in Linux servers.

Incident & Request Management through Remedy and ticketing tool

Monitoring and launching the EC2 instances with Docker images.

Maintaining and managing Jenkins server. Monitoring and configuring several Jenkins builds and

the nodes.

2- Project Profile:

Client Name

IFC F& T

Duration

Oct’2012- Sep’2017

Team Name

SOD (Segregation of duties), Cognizant Tech Solutions, Chennai

Operating Systems

Windows, Unix & Linux

Team Role

Unix System Administrator

Roles and Responsibilities:

Code deployment to Production server in both Unix and Windows

Configuration changes, Task scheduling/Corn job addition, providing access to servers’ share path

Implement any change requests in production and DR that is tested in lower environment from Application team based on the approvals and instructions

Involves in Disaster Recovery testing and supporting load shift activities.

Supports Quarter end and month end activities for the critical applications in both Finance and Treasury

Monitor 200 + jobs which include critical batch jobs every day and sends status report to client on regular interval.

Involves in file transfer’s (FTP/SFTP) with multiple authorized entities and to SAP server.

Good knowledge in running SQL queries, command line or through Toad / SQL developer

Code merge and branching and providing access to code for Application team in TFS

Ensure application availability as per the SLA by monitoring the services and keep them up and running 24/7 as a team.

Remedy monitoring and Jira used for ticketing tools.

3-Project Profile:

Client Name

BNYM

Duration

July’ 2008 – Aug’2012

Team Name

AST Eagle Infrastructure Support, Cognizant Tech Solutions, Chennai

Operating Systems

Linux, Unix and Solaris

Team Role

Unix System Administrator

Roles and Responsibilities:

Production Environment Support for Eagle a Enterprise Application on Solaris, Aix and Windows servers Checking File system spaces and clearing.

Supported Infrastructure L2 team in Multiple Environments like (PROD, QA, Test and Dev).

Implementation and troubleshooting of Application Server.

Backup, Recovery activity of application on Upgrades.

Handling Incident and Change Management Tickets on day to day activity.

Migration and Upgrade activity is one of the major activity taken by L2 team.

Version Control of Store Procedure and Files done by Harvest Tool a CA application.

Tickets Handled;

Incident Management tickets handled by GEIRS Portal and Client tool.

Change Management tickets handled by Remedy and Service center tools.

Database Migration was taken care in all the Environments

Precise Tool a Symantec Product is used to Monitor and Troubleshoot Database and their Weight and Bandwidth.

Overnight Critical Events as per Business calendar are taken care by L1 & L2 team through Mainframe and Application.

4-Project Profile:

Client Name

Swiss Re

Duration

Sep’ 2007 – June’ 2008

Team Name

BoF ASG Support, Cognizant Tech Solutions, Chennai, Chennai

Operating Systems

Unix, AIX and Solaris

Team Role

Unix System Administrator

Roles and Responsibilities:

Monitoring jobs Scheduled according to the US and UK Business Calendar

Checking the logs on different levels like Database level, Solaris OS level, and Application Server level if any jobs failed in all Environments.

Monitoring Logs for errors and troubleshooting

Database Exports/Imports files,

Database RMAN backups & Daily documentum backups,

Cherry Pick for moving data,

Placing Files in UNIX,

Resolving the tickets with in SLA,

Periodic monitoring of Server utilizations,

5-Project Profile:

Client Name

AT & T

Duration

Aug’ 2006 to June’ 2007

Team Name

EMAS (Enterprise Middleware Application Support), Tech Mahindra, Pune

Operating Systems

Unix and Solaris

Team Role

Technical Associate

Roles and Responsibilities:

Performing Remote administration using putty, rcp, telnet, ftp.

Checking File system spaces and clearing.

Providing permissions for requested users with proper approval

Checking system performance and tuning.

Performing bounces of services according to rebooting schedule.

Checking heart beat between nodes in the cluster using mmt tool.

Investigating issues by logs.

Investigate technical problems to determine the root cause, research and answer customer questions to expedite resolution of customer issues and to escalate issues.

Provide input to Development organization or Software Engineers on (possible) updates that are needed to ensure product or solution quality.

Monitoring the Problem Reports, Change Request and work toward to close the same.

Maintaining the Production/Testing/Development File system.

Work with various server management tools like Vantive,, ScriptIt and MMT.

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