Guddeti Venkata Kumar Reddy
Chennai
Summary
Seeking a challenging position as a Linux and Cloud Administrator where I can apply my skills in Red Hat Enterprise Linux (RHEL) and Microsoft Azure cloud platforms to support and improve IT infrastructure. I aim to contribute to an organization that offers professional and personal growth while being resourceful, innovative, and flexible, to accomplish my responsibilities to the best of my ability, and to work hard to achieve organizational objectives.
Overview
3
3
years of professional experience
1
1
Certification
Work History
Administrator at : Standard Chartered Bank
Tata Consultancy Services
02.2022 - Current
- Linux Systems Administration:
- Install, configure, and maintain Red Hat Enterprise Linux (RHEL) systems in high-availability environments across on-premises and cloud infrastructures.
- Perform system hardening, patch management (via Ansible AWX and manually), and software updates using YUM, RPM, and custom YUM server configuration.
- Configure and manage Logical Volume Management (LVM), disk partitions, mount points, and filesystems for optimized storage.
- Administer user and group permissions using Linux ACLs, sudoers, and centralized authentication with LDAP.
- Configure and manage key system services such as DNS, NTP, and secure SSH for remote access and troubleshooting.
- Manage Samba and NFS servers for file sharing across multiple clients.
- Handle remote connectivity setup via SSH, SCP (Linux) and PuTTY (Windows).
- Schedule and automate jobs using Crontab, including those with dependencies.
- Resolve common system issues, including boot problems, filesystem errors, and performance degradation.
- Boot systems at various run levels, including single-user mode for recovery and maintenance tasks.
- Maintain system security using SUDO, SELinux, firewalls, and enforce permissions with UID, GID, sticky bit, and quotas.
- Perform user administration: creating, deleting, and managing user accounts and passwords.
- Modify file and directory permissions based on operational or client requirements.
- Reconfigure network settings (e.g., IP address) during server migrations or topology changes.
- Ensure compliance with patching policies by installing and upgrading OS-level packages as per vendor or application team tickets.
- Cloud Infrastructure Management:
- Oversee the health, performance, and lifecycle management of over 10000 servers, including (VLab, Non-Production, and Production) across hybrid cloud infrastructures.
- Administer and manage complex hybrid cloud environments, including Microsoft Azure and hybrid platforms.
- Provision, deploy, and maintain cloud-based resources such as Virtual Machines, Storage Accounts, Virtual Networks (VNet), etc....
- Load Balancers, Application Gateways, and Resource Groups.
- Monitoring, Optimization, and Security:
- Monitor infrastructure performance and availability using Azure Monitor, Grafana, Log Analytics, and Application Insights.
- Analyze system logs and resource utilization (CPU, memory, disk, and network) for performance tuning and proactive issue resolution.
- Implement and manage security best practices using tools such as Azure Security Center and Microsoft Defender.
- Establish alerts, action groups, and incident thresholds to ensure prompt detection and resolution of system anomalies.
- Perform backups, snapshots, disaster recovery planning, and replication configurations using Azure Backup and Site Recovery.
- Incident, Problem & Change Management:
- Lead and participate in Incident, Problem, and Change Management activities, adhering to ITIL frameworks using ServiceNow platforms.
- Manage Major Incident Management (MIM) processes, conduct root cause analysis (RCA), and implement corrective actions to prevent recurrence.
- Execute planned service requests and change implementations, ensuring real-time monitoring and quality assurance throughout the change lifecycle.
- Conduct manual server migrations and manage full VM lifecycle operations, including provisioning, decommissioning, and health checks.
- Actively participate in daily stand-up meetings, internal SLA reviews, and monthly governance calls to ensure seamless service delivery.
- Documentation & Reporting:
- Develop and maintain comprehensive technical documentation, including Standard Operating Procedures (SOPs), knowledge base articles, and system inventories.
- Generate and present performance reports, utilization metrics, and governance review materials to management and customer stakeholders.
Education
Bachelor of Technology - Electrical and Electronics Engineering (EEE)
Sreenivasa Institute of Technology and Management Studies
Chittoor07.2021
Skills
- Azure & Linux systems administration (RHEL)
- Security and hardening
- Knowledge in NFS, FTP, DNS, and DHCP
- Package Management using RPM, YUM, DNF
- OS Patching and Kernel Upgrade
- Experience in Crontab
- Experience in OS related vulnerability fixing
- Disk Management and LVM
- Network administration (Intermediate level)
- AD Authentication using sssd
- Azure Resource Management and Migration
- Azure Networking (VNETs, VPNs, NSGs)
- Cloud Security & Compliance
- Having Experience in patching, Update Management (Log Analytics Workspace)
- Backup and Recovery
- Disaster Recovery (DR)
- Virtual Machines (VMs) & Storage Solutions
- Azure Cost Management & Billing
- Azure Storage (Blobs and Azure Files)
- Provisioning servers in the Azure Cloud platform
- Incident & Problem Management using ServiceNow tools
- Team Collaboration & Documentation
- Follow and comply with the ITIL process
Certification
- Microsoft Certified: Azure Fundamentals (AZ-900)
- Earned: 2024-04-28
- Certificate No: 43FF6A-0F8L58
- AWS Certified Cloud Practitioner (CLF-C01)
- Validity: 2024 – 2027
- Validation Number: cc8031bf568e4234ba875da5f42c1164
Timeline
Administrator at : Standard Chartered Bank
Tata Consultancy Services
02.2022 - Current
Bachelor of Technology - Electrical and Electronics Engineering (EEE)
Sreenivasa Institute of Technology and Management Studies
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