SANKARARAO GULLIPALLI
LINUX and PRIVATECLOUD ADMINISTRATOR
Hyderabad
Summary
Professional cloud computing specialist with deep expertise in cloud infrastructure, system administration, and network management. Strong focus on collaborative team efforts and achieving optimal results. Adept at managing and adapting to evolving technological needs, ensuring reliability and security. Proficient in cloud platforms, virtualization, and automation tools, with proactive approach to problem-solving and innovation.
Overview
14
14
years of professional experience
4
4
years of post-secondary education
1
1
Language
Work History
Linux & Private Cloud Administrator
Tata Consultancy Services
Hyderabad
11.2021 - Current
- Administered 400+ Linux servers (RHEL, OEL 5/6/7/8) with a focus on performance tuning, security hardening, and automation
- Deployed and managed private cloud infrastructure using OpenStack (Nova, Neutron, Cinder, Swift)
- Configured virtual networks, storage pools, and high-availability clusters
- Implemented live migration and disaster recovery strategies for VMs
- Managed containerized workloads using OpenShift for CI/CD pipelines
- Deployed and scaled microservices, monitored cluster health, and troubleshooted issues
- Developed playbooks for provisioning, configuration management, and patching across Linux environments
- Automated repetitive tasks (user management, backups, log rotation) using Shell/Python scripts
- Full lifecycle management of VMs, including storage, networking, and performance optimization
- Led data center migrations (300+ servers) with minimal downtime
Linux Administrator
Tata Consultancy Services
Hyderabad
01.2016 - Current
- Administered 200+ RHEL/OEL 6/7/8 servers for Dow’s global infrastructure, ensuring 99.9% uptime
- Performed OS installations, kernel tuning, and security patching (yum/dnf) via Satellite Server
- Configured LDAP/Kerberos for centralized authentication and SELinux for hardening
- Developed Ansible playbooks to automate: User provisioning, filesystem resizing, and cron job management
- Patch deployments across 500+ nodes, reducing manual effort by 60%
- Wrote Bash/Python scripts for log rotation, backup automation (tar/rsync), and alerting (Nagios integration)
- Optimized server performance by analyzing sar, vmstat, iostat metrics; resolved memory leaks and I/O bottlenecks
- Debugged boot failures, filesystem corruption (fsck), and network issues (tcpdump, netstat)
- Managed LVM, NFS, iSCSI storage; expanded volumes without downtime
- Migrated 50+ physical servers to KVM virtual machines, improving resource utilization
- Enforced STIG benchmarks and CIS standards; audited systems with OpenSCAP
- Configured firewalld, fail2ban, and SSH key-based authentication to mitigate breaches
- Worked with DevOps teams to deploy CI/CD pipelines (Jenkins/GitLab) for application teams
- Documented SOPs for disaster recovery (DR) and incident response
Unix & Storage Administrator
Hewlett Packard Enterprise
Chennai
07.2011 - 11.2015
- Managed Linux, Solaris, HP-UX, AIX servers and storage (HP, EMC, NetApp)
- Implemented ITIL-based incident/change management processes
Education
Bachelor of Science - Computer Science
Sriprakash College of Engineering
ANDHRAPRADESH 08.2006 - 04.2010
Skills
System troubleshooting
Cloud architecture design
Log analysis
Capacity planning
Cloud security management
Virtualization technologies
undefinedAccomplishments
- Automated 90% of routine tasks using Ansible, reducing manual effort by 40%.
- Successfully migrated 300+ servers to OpenStack cloud with zero data loss.
Timeline
Linux & Private Cloud Administrator
Tata Consultancy Services
11.2021 - Current
Linux Administrator
Tata Consultancy Services
01.2016 - Current
Unix & Storage Administrator
Hewlett Packard Enterprise
07.2011 - 11.2015
Bachelor of Science - Computer Science
Sriprakash College of Engineering
08.2006 - 04.2010
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