Senior Systems Administrator - Charter Communications - St Louis, MO
(2025-08)
- Ensured compliance with security policies, optimizing system performance and implemented automation scripts to streamline routine tasks.
- Built and deployed a Microsoft 365 environment for 2,000 users, ensuring high availability and disaster recovery across multiple locations.
- Led a successful Microsoft ecosystem transformation, managing 2,000 endpoints and executing a seamless tenant-to-tenant migration for 800 users and 80TB of data without disruption.
- Rolled out Microsoft Intune on 1,500 devices, transitioning from SCCM to reduce management overhead by 40% and achieve 95% compliance using automated policies.
- Designed and implemented Azure AD architecture, including hybrid identity and Privileged Identity Management, for comprehensive identity protection for 2,000 users.
- Developed a PowerShell automation framework using Microsoft Graph API, saving approximately 20 hours of manual work weekly by automating 200 recurring admin tasks.
- Implemented Zero Trust security measures with Microsoft 365 Defender, cutting security incidents by 60% and improving employee security scores by 70% through awareness campaigns.
- Managed Azure infrastructure, encompassing virtual networks, storage accounts, and VMs, supporting 500 cloud workloads.
System Administrator - Infosys - Hyderabad, IN
(2021-01 - 2024-12)
- Managed a hybrid SCCM/Intune environment for 1,200 endpoints, keeping application deployments and patch management running smoothly day to day.
- Set up and maintained the full Microsoft 365 infrastructure including Exchange Online hybrid, SharePoint Online governance, and the Teams collaboration setup.
- Led a company carve-out project that separated 300 users into a new Microsoft 365 tenant, completing all mailbox, OneDrive, and SharePoint migrations within a tight 6-week window.
- Designed the SharePoint Online structure with custom site templates, a clean information architecture, and automated provisioning workflows used by 1,000 users.
- Upgraded SCCM from 2012 R2 to Current Branch, modernized deployment workflows, and pushed patching success rates up to 95%.
- Planned and rolled out a Microsoft Intune co-management strategy that brought cloud-based device management to a remote workforce of 400 users.
- Handled day-to-day Entra ID (Azure AD) management including user lifecycle, group policies, app registrations, and B2B collaboration with external partners.
- Built PowerShell scripts and reporting tools covering Active Directory, Exchange Online, SharePoint, and Microsoft Graph API to cut down on repetitive manual work.
- Configured Microsoft 365 security and compliance features including DLP policies, retention labels, sensitivity labels, and eDiscovery workflows.
- Deployed Trend Micro XDR across the organization and integrated it with Microsoft Defender for better threat detection and response coverage.
- Migrated 800 devices from Windows 10 to Windows 11 using SCCM task sequences and Intune Autopilot.
- Built and maintained a technical documentation library covering SOPs, disaster recovery plans, and troubleshooting guides for the team.
- Secured internal services by enforcing strong encryption standards and standardizing access control policies across the environment.
- Investigated security incidents by analyzing firewall logs and running packet inspections through Wireshark, helping contain issues faster and minimize downtime.
- Supported vulnerability remediation by prioritizing high-risk findings from Nessus scans, improving overall audit readiness and strengthening the security posture.
- Worked closely with the service desk team to build a tiered escalation process and knowledge base, reducing repeat tickets by streamlining how common M365 and endpoint issues were resolved at the first level.
- Increased application deployment and patch compliance to 20% by managing a hybrid SCCM/Intune environment for 1,200 endpoints daily.
