Mohamed Rihan Abdur Raheem

Leading end to end IT service delivery, IT operations, and enterprise security governance across multi site accommodation facilities and corporate offices supporting Qatar Energy Oil & Gas operations. Responsible for IT services supporting 1, 200+ corporate users and 45, 000+ residents, ensuring high availability, service continuity, and cost efficient operations. Providing strategic oversight of IT infrastructure, hybrid cloud, and enterprise platforms. Managing SAP S/4HANA operations, including vendor coordination, access and security role governance, workflow approvals, incident handling, and service stability. Implementing ITIL aligned service management, ITSM automation, SLA/KPI monitoring, and CMDB governance. Overseeing identity and access management (Zero Trust integration, Active Directory, Google Identity, Azure AD, RBAC, MFA/SSO) ensuring secure access governance. Driving risk aware operations, vendor governance, executive reporting, and continuous service improvement.

Led end to end IT service delivery across infrastructure, cloud platforms, enterprise applications, and cybersecurity for corporate and residential operations. Drove infrastructure modernization initiatives including hybrid cloud enablement, data center enhancements, and large scale IT mobilization with minimal business disruption. Led enterprise transition from Microsoft 365 to Google Workspace, strengthening identity integration, access governance, and data security. Enabled SAP S/4HANA Cloud readiness by aligning IAM frameworks, validating network architecture, and ensuring operational continuity. Managed Microsoft Dynamics 365 operations including vendor engagements, approval workflows, security role governance, and functional support. Oversaw perimeter and network security using Palo Alto and FortiGate firewalls, IDS/IPS, VPNs, and VLAN segmentation. Implemented proactive monitoring using Zabbix, improving service availability, incident response, and SLA adherence.

Led enterprise IT service delivery, infrastructure upgrades, ERP implementation support, and data center modernization across multi company business units. Played a key role in Microsoft Dynamics 365 Finance & Operations implementation across seven entities, including data readiness, UAT coordination, security role validation, and post go live stabilization. Modernized data center infrastructure using VMware vSphere, HPE StoreOnce, HPE Alletra, Brocade SAN, and Veeam backup, ensuring high availability and disaster recovery readiness. Managed Microsoft 365 services (Exchange Online, SharePoint, Teams, OneDrive) and led migration from on prem Exchange to cloud. Governed ITIL aligned service management across incident, change, procurement, and IT asset lifecycle processes, improving operational efficiency and accountability. Expanded campus wide network infrastructure supporting 20, 000+ users and strengthened infrastructure resilience through UPS modernization and redundant power systems.

Managed LAN/WAN, VPN, and Cisco based enterprise network infrastructure. Migrated Active Directory from 2008 to 2012 with hardened GPOs and identity controls. Led Exchange upgrade from 2010 to 2013 improving mail continuity and performance. Designed secure WPA2 Enterprise WiFi networks with optimized SSID architecture.

Supported enterprise customers with infrastructure, system administration, and user support activities.

Delivered onsite IT support, system administration, and enduser assistance in corporate environments.