Mohamed Arifullah

Lead IT infrastructure projects, focusing on cloud migration, and
enhancing network security.
Configured Microsoft Entra Connect to enable hybrid identity.
Manage Microsoft Intune for endpoint protection, ensuring compliance
with application deployment policies.
Configure and maintain enterprise firewalls, optimizing security rules and
traffic filtering.
Deploy and manage Azure resources, such as virtual machines, storage,
virtual networks, and RBAC for secure access control.
Managed core IT services such as Active Directory, DNS, DHCP, and VPN
to maintain optimal performance and reliability.
Monitor infrastructure health, applying patches and conducting root cause
analysis for any performance issues.
Design backup strategies and disaster recovery plans to ensure data
integrity and business continuity.
Provide Tier 2/3 technical support, resolve complex incidents, and
maintain detailed technical and procedural documentation.
Investigated security incidents triggered by IBM QRadar SIEM alerts.

Designed and optimized network infrastructure to improve business
performance.
Maintained and configured servers, switches, firewalls, and routing
protocols.
Resolved complex network and system issues, reducing downtime, and
boosting reliability.
Conducted regular audits to ensure policy compliance, and system
integrity.
Implemented virtualization solutions to increase efficiency and reduce
costs.
Contributed to cross-functional IT projects with clear documentation,
planning, and execution.
Assisted in disaster recovery planning and conducted regular backup and
restore tests to ensure business continuity. .
07/2023

Maintained secure, high-performing enterprise systems.
Performed system updates, patching, and software deployments.
Resolved OS-level issues to ensure uptime, and stability.
Managed Active Directory accounts, group policies, and permissions.
Documented system configurations and changes.
Administered Microsoft 365 (Exchange, SharePoint, Teams, and
OneDrive).
Troubleshot VPN connectivity for secure, remote access.