Divya Kolla

Highly motivated Linux systems engineer offering Four Years and Six Months of hands-on experience in UNIX, (red hat Linux), DevOps and Cloud (MS Azure) platforms. Expertise includes troubleshooting and ensuring 99.9% uptime maintenance to optimize IT operations at the organization, with a proven track record of successful software installations and server management. Seeking a challenging and rewarding career in Linux administration/Cloud environment as professional where I can contribute my knowledge and skills for growth and development of the organization.

System Administrator & Production and Infra Architect at ULTIMATIX (2024-01 – Present)

• Responsibilities as a Unix System Administrator include a monitor and tune system to ensure the optimum level of performance.
• Automated server onboarding, log rotation, monitoring, and configuration tasks using Bash.
• Configured NFS, AutoFS, LVM, and handled storage expansion activities.
• Integrated SSSD with Active Directory for centralized authentication.
• Performing health checks such as file system usage, disk utilizations, error logs, performance statistics, etc., and taking steps proactively if any findings are observed.
• Server Monitoring, System performance, CPU, memory, disks and network utilization and finding the bottle necks if any using top, vmstat, nslookup and netstat utilities.
• Troubleshooting TCP/UDP packet handling; managing web servers like Apache and Tomcat; and configuring mail gateways (MTA/PMTA) and DNS.
• Scheduling and configuring repetitive jobs using cron utility.
• Performance tuning for OS and Databases; conducting Root Cause Analysis (RCA) for complex outages; and participating in DR (Disaster Recovery) drills and BCP planning
• Worked extensively on Microsoft Azure.
• Involved in private cloud (Openstack) to public cloud (Azure) migration
• Setting up DevOps environment using CI/CD tool Jenkins.
• Setting up automated pipelines for smooth build and release processes.
• Writing shell scripts for any automation required and ansible playbooks for configuration management setups
• Setting up Monitoring and ensuring high availability and scalable infrastructure using different cloud providers helping developer community
• Dockerized a monolithic application (AEM) and developed a framework which helped developer communities to have environment setup on local box.
• Infrastructure automation using terraform scripts and ansible playbooks.

System Administrator at GE PRECISION HEALTHCARE LLC. (2021-08 – 2023-12)

• User management - manage setup and maintain the groups and user accounts in UNIX.
• File System administration – worked extensively on file system creation, extension & deletions.
• Installation and configuration of agents, third party tools and respective troubleshooting.
• Packet management using yum, rpm., etc.
• Reduced downtime by proactively identifying and resolving potential issues through system monitoring.
• Performed quarterly patching, kernel updates, VULNERABILITY Assessments / Penetral Testing scans, and hardening.

Bachelor of Technology in Electronics and communication Engineering – Sri Venkateswara University (2021)