Professional Experience

Infrastructure Management: Engineered and optimized IT infrastructure and multi-tenant virtualization environments for enterprise clients, aligning technical deployments with strategic business continuity.
Identity & Security (IAM): Administered Microsoft Entra ID and deployed enterprise-wide DUO Multi-Factor Authentication, configuring enrollment policies to strengthen client security posture.
Scalable Connectivity: Designed and scaled remote desktop gateways, Always-On VPNs, and multiple RDS farms to improve remote workforce productivity and guarantee day-to-day operations.
Compliance & Auditing: Monitored, maintained, and audited multiple Microsoft 365 tenants for security compliance, developing new guidelines as part of the cybersecurity assessment team.
Network Operations: Administered enterprise network equipment, resolving complex routing issues and deploying firmware updates across firewalls, switches, and access points.

Enterprise Scale: Spearheaded compute operations and virtual server infrastructure across Türkiye sites, ensuring uninterrupted business continuity for a workforce of 200,000 employees.
Proactive Monitoring: Deployed a comprehensive SolarWinds environment across the region to track critical infrastructure health, automate packet analysis, and detect malicious traffic.
Incident Resolution: Maintained continuous service uptime across corporate HQ, regional branches, and manufacturing factories, serving as an escalation point to drive rapid incident response.
Strategic Planning: Collaborated directly with the IT Manager to define the regional technical roadmap, aligning operations with global HQ's future infrastructure projects and goals.

Multi-Industry Support: Engineered and administered enterprise-scale infrastructure across 20 global companies, optimizing system reliability for a combined workforce of 100,000 employees.
Level 2 Escalation: Served as a Microsoft Level 2 escalation engineer, orchestrating the maintenance, upgrade, and troubleshooting of Exchange Server 2019, Skype for Business, and physical server clusters.
Identity & Core Services: Managed core infrastructure and identity services, strictly governing Active Directory, DHCP, DNS, and complex Group Policy (GPO) deployments.
Security & Compliance: Coordinated global patch management and deployed Symantec endpoint security suites, resolving advanced vulnerabilities to ensure 100% compliance across all holding companies.

Hybrid Cloud Administration: Administered a mixed enterprise IT environment featuring IBM Lotus Notes and Google Workspace for a division generating approximately $200 million in annual revenue.
Identity & Account Management: Managed end-to-end identity and account lifecycles, strictly controlling user onboarding, offboarding, and secure access provisioning.
System Automation: Engineered PowerShell scripts to automate daily system administration workflows and executed continuous lifecycle upgrades for the Windows Server infrastructure.
Global Collaboration: Participated in weekly strategy meetings with European IT teams to design, implement, and standardize Google Workspace solutions across regional borders.
Advanced Troubleshooting: Maintained IBM Domino servers, Lotus Notes databases, and Active Directory environments, serving as the primary escalation resource for advanced issue resolution.