Kalyan Manukonda
Lutz
Summary
Highly skilled Senior System Administrator with over 4.5 years of experience, specializing in Windows and Linux system administration, vulnerability management, and system security. Proven track record in identifying, remediating, and preventing system vulnerabilities, ensuring robust security across enterprise environments. Expertise in patching, configuration changes, and implementing security best practices to safeguard critical infrastructure. Adept at troubleshooting system issues with a security-first approach, while collaborating effectively with cross-functional teams and leadership. Proficient in scripting languages such as PowerShell and Python, with a strong understanding of current cybersecurity trends and threats. Known for clear communication, strong problem-solving abilities, and the ability to work independently to meet organizational security goals.
Overview
7
7
years of professional experience
1
1
Certification
Work History
Senior System Administrator
Nielsen
Tampa
10.2024 - Current
- Managed and secured virtual machines (Windows and Linux) hosted in Azure, ensuring timely OS patching through Azure Update Management and custom runbooks for remediation.
- Implemented and maintained Azure Defender for Servers, integrating it with Microsoft Defender for Cloud to proactively monitor vulnerabilities, threats, and compliance issues across workloads.
- Configured and maintained Azure Policy and Blueprints to enforce organizational security and compliance standards across resource groups and subscriptions.
- Developed and maintained automation scripts using PowerShell to streamline patching, configuration, and monitoring tasks.
- Enforced RBAC (Role-Based Access Control) and Privileged Identity Management (PIM) to restrict and manage privileged access to Azure resources.
- Identify and address EOL/EOS software, coordinating upgrades or replacements to maintain security compliance.
- Integrated vulnerability management tools with platforms like ServiceNow for seamless ticketing and reporting workflows.
- Respond to security incidents involving unpatched systems or misconfigurations, coordinating with relevant teams to mitigate, and resolve issues.
Senior System Administrator
Genpact India Private Limited
Hyderabad
01.2020 - 01.2023
- Strategically identifying and addressing high-risk vulnerabilities across Windows and Linux servers utilizing tools such as Nessus, Qualys, and native OS patching systems.
- Collaborated with security and infrastructure teams to apply critical patches, hotfixes, and configuration changes, ensuring compliance with internal policies and industry frameworks, such as CIS benchmarks.
- Developed and maintained PowerShell and Python scripts to automate system audits, patch validations, and remediation tracking, reducing manual workload, and increasing operational efficiency.
- Conducted regular vulnerability scans and compliance checks, analyzing results, and reporting findings to stakeholders via dashboards and detailed remediation plans.
- Participated in incident response efforts, including log analysis and root cause investigations, contributing to post-mortem reviews, and enhancing system resilience.
- Regularly consulted with cross-functional teams (DevOps, Networking, Cloud Security) to integrate platform security practices into CI/CD workflows and hybrid-cloud infrastructure.
- Worked closely with IT leadership to present risk assessments and provide visibility into security posture and remediation status, using tools like ServiceNow and internal dashboards.
System Administrator
Suvarna Techno Soft
Hyderabad
06.2018 - 06.2019
- Provide hands-on troubleshooting and administration as required for all Linux servers, encompassing development, integration, staging, disaster recovery, and production.
- Installed Linux on VMware using the Virtual Client Infrastructure Console.
- Worked on disk and file system management through Logical Volume Manager (LVM) on Linux.
- Setting up cron schedules for backups.
- Provide support for new applications and upgrades to existing systems.
- Design solutions to technical problems, and the implementation of new systems or infrastructure.
- Maintaining the security of databases.
- Database backup and restore.
- Installing and configuring Linux systems, and the installation of multiple operating systems.
- Creating and administrating the user and group accounts.
- Managing system security and file permissions.
- Backup and recovery using backup tools like tar, dump, and zip.
- Part of on-call rotation is to respond to alerts and notifications promptly.
Education
Master of Science - Computer Science
• Texas A&M University – Kingsville, Texas USA
Kingsville, TX08-2024
Bachelor of Technology - Electronics And Communications Engineering
• Jawaharlal Nehru Technological University
Kakinada05-2017
Skills
- Vulnerability Management: Qualys,
- Automation: Ansible
- Scripting Languages: PowerShell
- Operating Systems: Windows Server (2016, 2019, 2022), Red Hat Linux (7, 8, 9)
- Cloud Platforms: Azure
- Ticketing & Collaboration: ServiceNow, Slack, Microsoft Office, Google Workspace
Certification
- Microsoft Certified: Azure Administrator Associate
Timeline
Senior System Administrator
Nielsen
10.2024 - Current
Senior System Administrator
Genpact India Private Limited
01.2020 - 01.2023
System Administrator
Suvarna Techno Soft
06.2018 - 06.2019
Master of Science - Computer Science
• Texas A&M University – Kingsville, Texas USA
Bachelor of Technology - Electronics And Communications Engineering
• Jawaharlal Nehru Technological University
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