CIBITHA R.

Email: ad1lqj@r.postjobfree.com/ad1lqj@r.postjobfree.com Mobile:-735-***-****

PROFILE

I am an experienced Linux System Administrator with a strong background in the telecommunications industry. With expertise in Linux System Administration, Red Hat Linux, Oracle Enterprise Linux, and Redhat Openshift, and Kubernetes, I bring a wealth of technical knowledge to any organization. My proven track record of effectively managing complex systems and troubleshooting technical issues has allowed me to deliver exceptional results. As a highly skilled information technology professional, I am committed to staying up-to-date with the latest industry trends and best practices to provide the best solutions for my clients.

PROFESSIONAL EXPERIENCE

TATA Communications Limited (Aug’2015 –May’2019). DXC TECHNOLOGY (MAY’2019 –Aug’2019)

Cantonment Board (August 2019 –May 2020) IBM (May 2020-Aug 2021)

Kyndryl (Sep 2021-July 2022)

LTIMindTree (July 2022-Till Present )

TECHNICAL SKILLS

Operating System : Linux,RHEL

Knowledge about : Red hat 5,6 & 7,Vmware,Kubernetes,DevOps,Redhat Openshift Containers,AWS basics

CERTIFICATIONS

RHCSA (Red hat System Administrator) RHCE (Red hat Certified Engineer)

Having Coursera certification for AWS Fundamentals: Going Cloud-Native Undergoing certification in Devops and Redhat Openshift

Completed training in Redhat Cluster

PRESENT ORGANIZATION

Company : LTIMINDTREE( July 2022-Till Present)

Role : Senior Specialist -cloud and Infra

SBU : Nokia and Carlyle Group

Responsibilities:

*Worked on Nokia Mediation

*Worked on CNF Deployment of pods by using Kubernetes

* Dealing with client call directly if troubleshooting is needed by the client’s end

*Vulnerability Management, needs to fix the vulnerability

*Needs to work on Monthly and Weekend Patching

*Openssl installation for the client machine

PREVIOUS ORGANIZATION

Company : Kyndryl(Sep 2021 -July 2022)

Role : Infrastructure Specialist

SBU : Ericsson Account

Responsibilities:

*Must work on SNOW based ticketing tool

*Must Work on Incidents, Change, Service Request

*Alert will come based on Disk Alerts, File system alerts, CPU and I/O, memory Alerts

*Have worked on Vulnerability Fix for the Linux Production servers

*Have worked on Security Patching

*OS upgrade Patching

*IP Assigning and Netmask assigning

*VMware Snapshots and assigning CPU value as well Memory values and tag the vlan on VM

*Focusing on Ansible run book

*Vulnerabilities reporting

PREVIOUS ORGANIZATION

Company : IBM(May 2020-Aug 2021)

Role : Infrastructure Specialist

SBU : Ericsson Account

Responsibilities:

*Must work on SNOW based ticketing tool

*Must Work on Incidents, Change, Service Request

*Alert will come based on Disk Alerts, File system alerts, CPU and I/O, memory Alerts

*Have worked on Vulnerability Fix for the Linux Production servers

*Have worked on Security Patching

*OS upgrade Patching

*IP Assigning and Netmask assigning

*VMware Snapshots and assigning CPU value as well Memory values and tag the vlan on VM

*Focusing on Ansible run book

*Vulnerabilities reporting

PREVIOUS ORGANIZATION

Company : Cantonment Board (Aug 2019-May 2020)

Role : System Administrator as A Contract

SBU : Abaas Project

Responsibilities:

Monthly patching

Need To monitor the health status of the government servers

Need to monitor the DB server by using sqlplus query

To work on the Applications Servers like Tomact,apache,Wildfy

Vulnerability Fix for windows server and Linux server and Application server

Oracle DB configuration on Client and Production server

MysqL configurations and apply the DB patch Script on the Tomcat servers applications servers

PREVIOUS ORGANIZATION

Company : DXC TECHNOLOGY (May 2019-August 2019)

Role : ITC Svc Delivery Cons II

SBU : ES-SVC-ITO Service Delivery

Responsibilities:

Monthly patching

Working in Incidents tickets as well as Change Tickets in SM9 tool

HP case raising in case of Hardware issues

Gain experience on HP-UX servers

Mount point expansion on hp-ux servers

Need to raise CR and get approved on CAB call

PREVIOUS ORGANIZATION

Company : Tata Communications Limited(August 2015 –May 2019)

Role : Technical Associate

SBU : Global Service Management Centre

Responsibilities:

System Administrator and Role as Technical Associate in the GSMC

Worked on L2/L3 incidents like performance related incidents and Service Request and restore the incident within SLA.

Monthly basis performing security patching and kernel upgrade.

Performed VM server migration moving virtual server one ESX host to another ESX also increased memory/disk size as per requirement.

Performed critical and non-critical security patching, Kernel upgrade.

Performed on Linux OS Upgrade and data migration to the new build server also good in package management.

In critical time performed the extending the file system and increasing the memory size and CPU core level in virtual server/vmware

Have experience in Red hat cluster and co-ordinate with vendor in case of hardware failures like power supply, hard disk replacement and dealing with the vendors like DELL,Oracle,HP

Weekly & Monthly ticket & effort tracking to analyze and segregate the repeating issue and work on a permanent fix with Dev team.

Escalating the issue on time and co-ordinate the bridge call to fix the issue in a smooth manner.

Will configure and modify in Domain servers in Cpanel to modifying A record,CNAME,NS record,TXT

Ongoing performance tuning, hardware upgrades, and resource optimization as required. Configure CPU, memory, and disk partitions as required.

Configured NFS and Auto-mounting to clients for file sharing.

Configuring LVM and managing the volumes. -> FS export, FS expansion, creation, reduction

Quickly arrange repair for hardware in occasion of hardware failure.

User administration (setup and maintaining account)

To get the change approvals from the CAB call in all the critical changes in the timely manner.

Server administration and maintenance.

Working on file system management like Increase File system as per request.

User and Group administration, creating user resetting password, maintain user account.

Exposure on system error, crashes and disk failure problem.

Troubleshoot in case of server hung/down issue through remote console.

Assigning File and folder permission (ACL and sticky bit) to users and group.

System failure analysis and recovery: Ensure the consistency and integrity of file system.

Log Management and troubleshooting based on various logs.

Scheduling the daily/monthly jobs in control and monitor them, troubleshoot job failures. Communicate effectively with the customers, vendors and other stake holders in case of production issues to provide/seek timely updates.

Monitor and validate all the applications and system components in the prod environment before the start of business to ensure a smooth business operation every day.

Monitoring servers using Nimsoft

Found any alerts create Incident and begin basic Troubleshooting.

Configuring Swap space.

Escalate the Incident to next level with priority and get update from them to resolve the issue.

Checks the connectivity of the server and perform reboot as per request.

Configuring Repository.

Configuring static Ip to the server.

Install the jboss configurations for applications servers(java)

Restarting and Start the services in WebLogic portal

Working in vmware to add the RAM,CPU and check the data store capacity.

EDUCATION

Electronics and Communication Engineering BE 70%, DMI college of Engineering Accredited by Anna University Tamil Nadu

Higher Secondary Education 73% ST Antony’s Girls Higher Secondary School, Chennai

Secondary Level Education 89% ST Antony’s Girls Higher Secondary School

PERSONAL PROFILE:

Name : Cibitha R

Father’s Name : Ravi Benjamin

Gender : Female

Nationality : Indian

Religion : Christian

Strengths : Promptness, Smart worker, Perfectionism.

Languages Known : Tamil, English

Communication Level : Expert

DECLARATION

I hereby declare that all the information furnished above is true to the best of my knowledge.

Date:

Place: Chennai Signature

(CIBITHA)

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