NAGANJANEYULU CHALLA
Hyderabad
Summary
Dynamic Ansible Developer with extensive experience at Kyndryl Solutions, specializing in Linux systems administration and automation. Proven track record in developing playbooks for security patching and remediation, enhancing operational efficiency. Skilled in Ansible, Bash scripting, and troubleshooting, complemented by strong collaboration abilities to drive project success.
Overview
15
15
years of professional experience
1
1
Certification
Work History
Ansible Developer
Kyndryl Solutions Pvt Ltd
Hyderabad
09.2019 - Current
- Hartford North America (Financial) - Product Name: Linux Health Check Scan & Remediation Automation. Project: Hartford Insurance.
Senior Linux Administrator
IBM India Pvt Ltd
Hyderabad
08.2015 - 08.2019
- Developed playbooks to remediate the CSD deviations on all Linux Servers
- Developed the playbooks to perform the security patching.
- Having good knowledge on red hat Linux Oracle Enterprise Linux and windows.
- Managing and modifying User/Group/File/Folder permissions.
- Provisioning and decommissioning of physical and Virtual servers.
- Having good knowledge on kernel patching and OS upgrade.
- Modifying the kernel parameters as per the DBA request, when we resize the memory in linux servers.
- Package Management using Yum and RPM.
- Enabling/Disabling the Cron Jobs for specific users in Linux Servers.
- Work on CPU Add/Remove. Memory Increasing/Decreasing, Disk Add/Remove requests through VMware.
- LVM management – Creating, Increasing, removing and mounting File Systems.
- Helping the Storage team by Unmounting and Mounting the new File Systems, When NAS Storage migration happens.
- NAS Mounts - Working with NAS Storage team to replace the old Qtrees and mount New File Systems on new Qtrees as per the Client request.
- Addressing performance bottlenecks & ensuring maximum network up-time.
- Install, update, query and remove software packages with RPM.
- Good knowledge working with Change management team on planning/scheduling/expediting changes.
- Operational knowledge of BladeLogic tool – Adding servers to BladeLogic console and executing the Jobs.
- Coordination with NAS/WebLogic/Network and VM Team to Fix any issues occurs during P2V and V2V Migration.
- Trouble shooting SSH and Printer issues when migrating the VM’s from one Physical server to another.
- Resetting console passwords by using ipmitool on physical servers.
- Troubleshooting the monitoring agent issues on Linux servers.
- T&T (Transition & Transformation) - Product Name: Hartford Stabilization. Project: Hartford Insurance.
Level 2
Oracle India Pvt Ltd
06.2011 - 08.2015
- Having the good experience on oracle virtualization (OVM), VMware, EL and Red hat Linux
- Configure and installing Oracle VM Server and Oracle VM Manager
- Upgrading Oracle VM Server and oracle VM Manager
- Having good knowledge on the OVM version 3.2.x and 2.2.2
- Creation of vm’s 2.x and 3.x model.
- Upgrading the OVS from 3.2.8 to 3.2.9 model.
- Fixing the Duplicate Mac Address using OVM manager.
- Fixing the xm list hung issue.
- Taking backup for the VM’s using snapshot method.
- Attaching/Detaching a virtual disk to the VM
- Managing Virtualization, Troubleshooting
- Kernel patching and VM resize.
- Disk Replacement on Linux and windows nodes
- Moving the VM's from one Physical server to another (Dom 0).
- DIMM Replacement on the physical server and DOM 0.
- OS upgrade (4.x,5.x and 6.x) and OVMS upgrade
- Converting the server from physical to Virtual machine vice versa
- Upgrading the Oracle virtual server
- OS upgrade from 32-bit to 64-bit.
- Migrating the VM’s from 1.5 model to 2.x model
- Configuration of kernel parameters as per Apps team request.
- Memory Upgrade on Standalone servers.
- Creating, Migrating and deleting the Vm’s from one server pool to another.
- Verifying the vlan tagging is done or not on target Dom 0
- Moving the VM’s from one subnet to different subnet
- Moving the instance from one host to another
- PMP Maintenance - Client: Pool. Project: PMP Maintenance.
Education
BTech - Information Technology
JNTU Hyderabad
01.2008
Skills
- Linux Systems Administration
- Virtualization
- Ansible
- Ansible Tower
- Playbooks
- Jinja2
- Configuration Management
- Automated Deployment
- Version Control
- Git
- RedHat Enterprise Linux
- Linux OS Patching
- Security Updates
- Automation
- Bash Shell Scripting
- Troubleshooting
- Amazon Web Services
- Ansible Automation Platform
- Python
- Service Now
Certification
- AWS Certified Solutions Architect – Associate
- RHCSA in RHEL 8
- RHCE (Red Hat Certified Engineer in RHEL-5), #, 02/2011
Key Skills Experience
- Overall 13+ years of IT experience in Linux Systems Administration, Virtualization, Ansible & Ansible Tower technologies.
- Good hands-on experience in writing playbooks using roles, variables, Jinja2 template, conditions, loops, block & rescue, facts.
- Experience in Developing ansible playbooks to automate the Linux Health Check Scan & Remediation as per CSD.
- Experience in Developing ansible playbooks to automate the Linux Administration tasks using ansible.
- Hands on experience in writing playbooks for targets like Linux and debug any issues in playbook.
- Involved in trouble shooting, fixing technical issues and technical assistance.
- Experience in creating and maintaining job templates, projects, workflows in Ansible Tower.
- Experience in configuration management & automated deployment using Ansible & Ansible Tower.
- Hand on experience in version control tools like Git.
- Expertise in installing, upgrading, and maintaining RedHat Enterprise Linux 7,8 and 9.
- Extensive experience in Linux OS patching (RHEL6, 7 & 8) and security updates on physical & virtual servers using Yum, Ansible & Ansible Tower.
- Good knowledge in Linux servers build and OS upgrade from legacy OS RHEL6 & RHEL7.
- Experience in automation using Ansible and Bash shell scripting.
- Expertise in trouble shooting the problems generated while building, patching, deploying and in production support.
Timeline
Ansible Developer
Kyndryl Solutions Pvt Ltd
09.2019 - Current
Senior Linux Administrator
IBM India Pvt Ltd
08.2015 - 08.2019
Level 2
Oracle India Pvt Ltd
06.2011 - 08.2015
BTech - Information Technology
JNTU Hyderabad