System Administrator Support

BALA SUBRAMANYA PRAKASH KUKKALA

Email ID: *******************@*****.***

Contact: +91-807*******

Carrier Objective:

To be a good and reliable team player striving for organization growth also to learn and implement new technologies.

PROFESSIONAL EXPERIENCE

Company : HCL TECHNOLOGIES LTD (IT- Services)

Title : LINUX SYSTEM ADMINISTRATOR

Period : November 2016 to till present

Experience : 4 Years

EDUCATION

Bachelor of Technology in Electronics and Communication Engineering (2015)

Jawaharlal Nehru Technological University Kakinada.

SKILLS

Operating Systems: Linux (RHCSA certified) [Certification ID: 180-053-043]

Having 3.9 years of experience as a Linux System Administrator.

Having hands on experience with almost all the Linux commands.

Working as a 24/7 system administrator on the Operating systems of Red Hat Enterprise Linux (RHEL).

Have good knowledge on patching activates of Linux, also including patching for Linux cluster servers online

Have a good knowledge on server installations and reinstallations.

Have a good knowledge on Ansible.

Able to understand different technologies in short time.

Ability to work under pressure and deliver before deadline.

Effectively plan, install, configure and optimize IT infrastructure to achieve high ability and performance.

Handled Linux business analysis by talking to clients, understanding the client requirements, executing the product once ready and handling.

File system management :

Creating new linear and mirrored file systems.

Providing server access to users using environment specific methods.

Troubleshooting user access related issues.

NFS file share migration.

Roles and Responsibilities: -

Working on GSS (Global Shared Services) multiple customers are involved to provide the support by following SLA.

Maintaining 3000+ Linux servers and provide 24/7 support for the same.

Installing of both Physical and virtual servers according to client requirement by using Vsphere Client, Redhat Cloudforms, & Redhat Satellite.

Monitoring through ITM & SCOM and tickets are working with SNOW tool.

Performing of OS Patching & Firmware upgrade for VM and Physical machines. [6.9/7.5 to 6.10/7.6]

Having an experience on cluster patching by Failover / Switchover.

Creating Ansible playbooks for automation tasks. Created Ansible playbooks using YAML scripts for automation of pre-checks/basic checks of servers before patching activities.

Take pre checks and post checks including health checks part of activity.

Handling P1/P2 calls provide the support based on the requirement.

LVM related operations like Filesystem / LV/ VG creation based on requirement including Mirroring.

SAN & NAS migrations including NFS mount points adding to the server.

Worked on NIC bonding.

Collecting of LUN from Storage team by providing WWN. And increase the FS based on requirement.

Configuring LDAP, creating LDAP users and adding netgroups and adding Servers to netgroups based on requirement via Faros tool.

Providing or revoking root privileges to the user based on requirement using sudo.

Providing permissions to Folder/ files based on request.

Hardware patching / Firmware upgrade using ILO consoles for the physical machines. By performing the Health checks on the Physical machines using customized scripts.

Supporting HANA patching activities for SUSE Linux servers with the help of HPE team.

VM migration activities by taking the VM consoles of the servers.

Server backup management using IBM Tivoli Management tool.

Activities related to TSM migrations and installation.

Involved in Call log with vendor and fixed HW/SW errors on dell and hp Hardware

Performance monitoring tools like vmstat, netstat, nmon, top.

Adding or updating cron jobs with requirement.

Creating / Resizing Filesystem and Swap space.

Installing packages like Bigfix, Ontap, CSP etc. part of project oriented.

Managing RHEL networking by creating or changing IP address and DNS entries on servers.

Build / Decommission of servers.

Very good at explanation, Efficiently mentored newly joined team members into the organization.

Expertized on assigned to special projects, and worked with storage by cross functioning teams.

Achievements

Achieved certification on Red Hat Certified System Administrator. (RHEL7)

Received appreciation from customer for good display of technical knowledge and expertise.

Owning 2 on spot awards.

I hear by declare that all my information provided here are genuine.

K.B.S. PRAKASH

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