Abdul Zafer Shaik

Designed, implemented, and managed virtualization environments (VMware
vSphere, Hyper-V), ensuring resilience, security, scalability, and optimized
performance.
Provisioned and optimized virtual resources (CPU, memory, storage, network) to
meet dynamic business requirements.
Developed and executed enterprise-grade backup and disaster recovery
strategies with replication and validation, ensuring high data integrity and
business continuity.
Monitored infrastructure performance, tuned VMs, analyzed logs, and
proactively resolved bottlenecks to maximize uptime and responsiveness.
Managed patching, OS updates, and security fixes across virtualization and
cloud environments to ensure compliance and threat mitigation.
Automated routine tasks, deployment, and maintenance using PowerShell and
Ansible, improving efficiency and reducing errors.
Delivered Tier-2 support for escalated infrastructure issues and conducted root
cause analysis for recurring problems.
Managed hybrid infrastructure across on-premises and cloud platforms (Azure &
OCI), including compute, storage, networking, identity, access control, and cost
optimization.
Collaborated with IT teams, developers, vendors, and stakeholders to implement
virtualization and cloud solutions aligned with business objectives.
Created documentation, conducted training sessions, and guided users on best
practices for virtualization, cloud, and security management.
Planned for future growth by analyzing trends, forecasting resource needs, and
recommending upgrades or cloud adoption.
Administered Windows and Linux systems, including security management,
user/group management, software installation, network configuration, and
scripting automation.

Managed Azure, Microsoft 365, and hybrid identity integration with on-prem AD.
Oversaw virtualization (VMware/Hyper-V/OCI) ensuring business continuity and DR readiness.
Administered AD, DNS, DHCP, GPOs, and enterprise storage solutions.
Drove patch, backup, and vulnerability management aligning with ITIL practices.
Implemented security baselines using Defender for Cloud and Palo Alto firewalls.
Contributed to key cloud migration and modernization projects improving collaboration, uptime, and compliance.

Supported enterprise systems for Oman Housing Bank under managed service.
Maintained VMware, Hyper-V, and On-prem workloads ensuring DR and high availability.
Implemented M365 and Exchange Online solutions with secure mail routing.
Managed endpoint security and patch compliance via Intune and SCCM.
Assisted in workload migration to Azure and configured backup policies for data integrity.
Ensured 24×7 operations through proactive monitoring and automation in collaboration with technical and vendor teams.

Administered Windows and Linux servers for Oman Oil Company E&P ensuring high availability.
Managed VMware, AD, Exchange, and enterprise storage systems.
Configured HPE/Dell blades, optimized resource utilization, and enforced patch and security compliance using McAfee ePO. Supported SQL Server environments, DR planning, and ITIL-based incident/change documentation.
Enhanced infrastructure resilience and operational efficiency through capacity planning and proactive system management.

Delivered end-to-end server management for Oman Oil Company E&P including AD, Exchange, DNS/DHCP, and VMware.
Migrated legacy mail to Exchange Online (M365), improving collaboration and reliability. Implemented DR and backup
frameworks, enforced endpoint protection policies, and optimized virtual resources.
Coordinated patching, firmware updates, and security compliance with IT governance standards, ensuring consistent uptime and strong performance across environments.

Administered AD, Exchange, and network security infrastructure across group entities.
Managed Cyberoam firewall, antivirus servers, and wireless networks spanning multiple hotel properties. Oversaw system backups, DR, and data protection aligning with business continuity needs.
Supported enterprise apps (SQL Server, Tally, Focus, IDS) ensuring reliability.
Streamlined IT operations through automation, vendor coordination, and policy enforcement across 3, 000+ user base.