System Administrator It Support

Madala Sridhar

Email: **********@*****.***,

System Administrator, Phone : +1 (404) 804 – 9156

https://www.linkedin.com/in/sridhar-madala

Results-driven IT Support with a Master’s degree in Information Technology and 11+ years of experience in IT administration, System security, and cloud infrastructure management. Proven track record of managing Active Directory users, resolving 95% of technical issues within SLA timeframes, and optimizing cloud-based environments (AWS, Microsoft Azure). Key Highlights & Expertise:

System Administration: Managed and supported Windows and Linux desktops, ensuring high availability and performance.

Technical Support: Resolved 95% of technical issues within SLA timeframes for 200+ employees.

Active Directory & Group Policy: Administered user accounts, permissions, and security policies for enhanced IT security.

Software & Hardware Support: Installed, configured, and troubleshot software, printers, and peripheral devices.

Security & Compliance: Implemented security best practices, reducing unauthorized access incidents by 50%.

Desktop Imaging & Deployment: Used Microsoft Deployment Toolkit (MDT) and Windows Autopilot for streamlined system provisioning.

Remote Support: Provided technical assistance using Citrix, Remote Desktop, and other remote support tools.

Backup & Disaster Recovery: Engineered backup solutions to ensure 99.9% data restoration success.

Microsoft 365 : Hands-on experience with Microsoft 365, including user setup, account management, and troubleshooting of Office applications and services. Ability to manage and assist with the integration and maintenance of Microsoft 365 tools and cloud-based applications.

Service Ticketing Systems: Experienced with ServiceNow ticketing systems, or similar systems, to manage, track, and resolve technical support requests. Proficient in prioritizing and handling multiple tickets, ensuring timely resolution and customer satisfaction. WORK EXPERIENCE

Ulytics Inc

System Administrator Oct 2024 to Till Date

Expert in Configuring and administering windows server 2002 / 2003 / 2008 / 2012.

Master in trouble shooting windows OS issues. Handled escalated L3 issues in end user computing.

Firm understanding of windows security including file system permission, file sharing, event logging, performance monitoring and disk administration.

Designing an Active Directory and Network Infrastructure Forest and Domain Infrastructure

Configuring AWS IAM and Security Groups, Implementing AWS S3, EC2, and Auto-Scaling

Manage VMware and Hyper-V virtual infrastructures for efficient virtualization solutions.

Conduct IT security audits to assess and enhance system, network, and application security for compliance and data protection.

Design, implement, and manage the integration of systems within the IT environment, ensuring smooth data flow and system communication.

Work closely with cross-functional teams, including IT, operations, finance, and data governance teams, to understand integration needs and provide customized solutions that meet business requirements.

Develop and maintain integration documentation, workflows, and best practices. Ensure integration solutions comply with company policies, data security, and industry regulation.

Ensure systems are optimized for performance, security, and cost-efficiency, troubleshooting and resolving issues as needed.

Athen Tech

System Administrator Nov 2020 to Sep 2024

Expert in IT Infrastructure and Security

Installed and maintained desktop systems, ensuring minimal downtime and optimal performance.

Responsible for third level support for all server related issued. Implemented security policy and virus protection.

Configured Microsoft 365 applications and Exchange email accounts for end-users.

Participated in complete system builds, upgrades, migrations, code deployments, Antivirus tools and patch management.

Prepared and maintained documentation of technologies, standards and procedures.

Responsible to maintain all windows servers operating systems like windows 2002 / 2003 / 2003 R2, 2008 and 2012.

Hardware firmware upgrade for physical servers like HP, Dell and IBM.

Performance optimization, regular health checks in servers and systematic Troubleshooting of problems.

Installing and managing active directory and FSMO Roles Transferring Active Directory Forest.

Designed and delivered customized technical workshops, including planning, designing, configuring infrastructure solutions, and training customers on the implemented systems.

Deployed Windows 11 Pro for Workstations endpoints using Microsoft Endpoint Manager, completing the rollout two weeks ahead of schedule with zero productivity impact.

Open-Source Software Support: Engages with the community to contribute to and learn from open-source projects. Develop and integrate code as per requirements

Managed IT service requests and incidents using ITSM tools like ServiceNow.

System Performance Monitoring, Network Monitoring, Application Monitoring, Log Analysis, Alerts & Notifications, Proactive Issue Resolution Amigo IT solutions

System Administrator Jun 2014 to Apr 2018

Provide end users with hardware and software support on time within the support SLA

Build installed and configured servers managed them remotely for software upgrades and patches. Tested antivirus updates, OS patches in test environment before deployment.

Designed and executed a Windows Server 2016 migration strategy, utilizing Windows Admin Center to achieve a 30% cost reduction and ensure minimal downtime.

Optimized Active Directory and Group Policy management, improving login times by 25% and decreasing access-related help desk calls by 40%.

Monitored bandwidth usage, analysed traffic patterns, and ensured compliance with security standards to maintain a secure and efficient network environment.

Managed Incident & Service Request Management following ITIL v4 best practices to ensure efficient IT support.

Irrigation & CAD Department, Govt. of Andhra Pradesh, Hyderabad, India. Desktop Administrator Jun 2011 to May 2014

Designed a robust network infrastructure for CAD Department that connected 20+ branch offices and support 270+ employees.

Installed and configured essential software and drivers for Windows desktops

Activated intrusion detection systems and conducted regular vulnerability assessments, which decreased security incidents by 84%.

Installed and setup Web Server (Nginx, Apache and Tomcat), DB Server (MySQL), NFS Server

Technical skills

Operating Systems: Windows 10/11, Windows Server, Linux

Software & Tools: Microsoft 365, SCCM, Citrix, Active Directory, Group Policy

Networking: DNS, DHCP, VPN, Firewalls

Security: Endpoint Protection, Patch Management, Data Encryption

Remote Support: RDP, TeamViewer, AnyDesk, Citrix Workspace. Education: Master of Science in Information Technology (MSC-IT) Certifications:

AWS Certified Solutions Architect – Associate

Microsoft Certified System Administrator.

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