Jyothi Bajjuri

Monitored Service NOW queue within UNIX support organization to ensure timely incident resolution.

Executed incident management for server performance, outages, and configuration issues.

Performed change management tasks including patching and filesystem configurations.

Managed permissions and ownership of resources to enhance system security.

• Install and maintain Red-hot Enterprise Linux(RHEL 6,7 & 8) servers
• Provision, configure, and manage servers using VMWare, Satellite 6.X, RHDS, Ansible, and tower.
• Hands-on experience on ansible and ansible tower as configuration management tool, to automate repetitive tasks, quickly deploy critical application, and proactively manages change.
• Written Ansible playbooks to automate tasks.
• Strong working knowledge of GIT.
• Developed runbacks and playbooks and standard operational procedures.
• Shell scripting automate daily assignments.
• Performed troubleshooting on network connectivity issues.
• Strong in troubleshooting, monitoring, training and 24/7 support.

• Install, update and test/benchmark Engineering applications as per the request.
• Monitored clusters loads, mainly performance and CPU utilization using IBM CACTI.
• Tested job application before deploying in to development environment.
• Worked on HP physical servers and monitored them using CACTI.
• Renewal of applications license and make sure all the licenses are valid up till sub project requires.
• Support other projects with performance issues, disk usage and participate in infrastructure changes.
• Make changes as per the application upgrade, parameters and MPI as per the application catalogs.
• Environment: IBM LSF clusters, AIX, Automotive Engineering applications, HP, NetApp, NIS, RHEL, FLEX, SNOW, IBM CACTI, 1TS.

• Installed, upgraded and patched 800+ Red Hat and SuSE Servers.
• Configure passwordless login between database servers.
• Installed and configured Sudo for users to access the root level commands.
• Granting root permission to backup Admins/DBAs to perform root related activities.
• Performed day-to-day administration tasks like User Management, Space Monitoring, Performance Monitoring and Tuning, alert log monitoring and backup monitoring.
• Managed system security using firewall/Iptables and port.
• Used HANA Database for SAP applications (ECC, BW).
• Registered all servers under Red Hat and SuSE(LTSS) network for support and downloading software.
• Upgrade SuSE OS from SLE 11 SP3 to SLE 11 SP4.
• Managed LAMP (Linux, Apache, MySQL, MariaDB, PHP) and DB servers and given database access for users.
• Installation, configuration, and maintenance of all database servers; working with network and system.
• Have good experience on GPFS file system.
• Co-ordinate with vendors for replacement of CPU/Memory/Mother board on Linux Servers.
• Configuration of bonding. Network trouble shooting.
• Patch and package management using RPM & YUM.
• Installed and configured SAMBA server for windows and Linux connectivity.
• Monitoring system resources, logs, disk usage, scheduling backups and restore.
• Set up Quotas for the user accounts & limiting the disk space usage.
• Configuring SUDO and granting root permission to users for performing certain activities.
• Configure Crontab entries and update automation scripts.
• Created BASH shell scripts to automate cron jobs and system maintenance. Scheduled cron jobs for job automation.
• Work with security team to modifying application users' password policies, group policy, UID and GID assignment policies.
• Monitored the performance of the system using top, sar, ps, prstat, vmstat, netstat, iostat, and cpuinfo to check the CPU utilization, bottlenecks of I/O devices, memory usage and network traffic.
• Performed UNIX security audits (PWC and SOX) and implemented security audits.
• Performed AD integration with SuSE servers.
• Managed IBM physical servers with IMM console and involved in physical servers hardware replacement.
• SNMP monitoring tool setup.
• Installed and configured Cadence tool on RHEL7.
• Have experience with different filesystems(XFS, ext4, GPFS,..etc).
• Configured and managed Samba and SFTP Server.
• Worked with DBA on the installation and configuration of MariaDB.
• Shell scripting to automate daily assignments.
• Performed troubleshooting on network connectivity issues.
• Strong in troubleshooting, monitoring, training and 24/7 production support in mission critical environments.
• Experience in creating physical volume, logical volume, volume groups and LV, PV extensions.
• Environment: Red Hat Enterprise Linux 6/7, SUSE 11/12, SAP, Cohesity, Glacier, Netapp, AWS, VMWare vSphere 5, HANA boxes, Mariadb, TSM, SolarWinds, Solar Winds, Service-now, putty, MobaXterm, winscp, Python, shell scripting.

• Installation, configuration & upgrade of 2000+ Red Hat Enterprise Linux (RHEL and SUSE) operating systems.
• Installation of patches and other software packages.
• Troubleshoot network connectivity using ping, netstat, ifconfig, and traceroute commands.
• Login to the remote system using sudo, putty, and telnet. Transfer files across the systems on the network used ftp, scp, and rsync commands.
• Setting up CRON jobs for backups and monitoring on Linux servers.
• Expertise in Performance Monitoring and Performance Tuning using Top, prstat, SAR, vmstat, ps, iostat etc.
• Creating and maintaining Users, Disk space, LVMs and Process Monitoring in Red Hat Enterprise Linux.
• Installed patches, packages and SSL certificates on all web servers.
• Experience with Volume creation resizing and troubleshoot to the client's development/production environment using Veritas volume Manager.
• Migrated the rhel servers from 6.5 to 7.2.
• Application and production support, and on-call support.
• Co-ordinate with Backup Operator regarding daily backups, monitoring backup servers and perform database, application and system backup in the absence of the backup operators.