Nisar Khan

System VMware Engineer

Emdad Solutions for ICT Company • Temps plein

Nov 2024 - Present • 1 yr 11 mos

• Administer enterprise data center infrastructure across Dell PowerEdge, Dell EMC, HPE, and IBM server/storage platforms, supporting hardware health, RAID, capacity, availability, and lifecycle maintenance. • Operate VMware vSphere, ESXi, and vCenter; support VMware Cloud Foundation (VCF), Hyper-V, Oracle RAC Infrastructure, storage, and Nutanix HCI, including AHV, AOS, Prism Element, and Prism Central. • Provision and support virtual machines, migrations, snapshots, virtual networking, resource allocation, high availability, storage virtualization, and capacity optimization. • Manage Windows Server and Linux operations, including Active Directory, Group Policy, DNS, DHCP, IIS, access, patching, troubleshooting, and performance checks. • Support enterprise storage including Dell EMC and PowerFlex; troubleshoot storage provisioning, connectivity, performance, and capacity. • Support hybrid identity between on-premises Active Directory and Microsoft Entra ID using Azure AD Connect; assist with Microsoft 365 and Exchange identity/access issues. • Monitor Veeam Backup & Replication and Veritas; support restoration, replication, disaster recovery testing, VMware SRM, and RTO/RPO objectives. • Troubleshoot LAN/WAN, TCP/IP, VLANs, routing, switching, VPN, DNS, firewall policies, SSL certificates, and load-balancing services where deployed. • Apply security controls including RBAC, MFA, patching, endpoint protection, vulnerability remediation, and server hardening; investigate monitoring alerts and perform root-cause analysis. • Automate routine operations with PowerShell, VMware PowerCLI, Ansible/AWX, Python, n8n, and Power Automate; maintain SOPs, runbooks, SLA reports, and capacity forecasts.

VMware/Server Administration

Burnley Plumbing Supplies Limited • Freelance

Jul 2023 - Jul 2025 • 2 yrs

 Virtualization Management: Administered VMware vSphere and ESXi environments, managed virtual machines, configured vCenter, and maintained virtual infrastructure availability and capacity.  Windows Infrastructure: Supported Windows Server 2008–2022 environments, including Active Directory, Group Policy, DNS, DHCP, and file services.  Infrastructure Security: Applied security configurations, managed access permissions, and coordinated firewall and intrusion detection measures to protect systems.  Incident Resolution: Investigated server and virtualization issues, performed root-cause analysis, and implemented corrective actions to minimize service disruption.  Performance & Capacity Planning: Reviewed system health, resource utilization, and performance metrics to identify bottlenecks and improve infrastructure efficiency.  Documentation & Standards: Updated technical records, configuration details, troubleshooting procedures, and operational guidelines.  Continuous Improvement: Identified infrastructure risks and proposed technical enhancements to strengthen system stability, security, and reliability.

IT Systems Specialist

Al Rashid Trading & Contracting Company (Closed Joint Stock Company) • Temps plein

Jan 2024 - Nov 2024 • 10 mos

Managed Dell, HPE, and IBM servers, storage, Windows Server, Active Directory, GPO, DNS, DHCP, IIS, and user access policies. • Supported VMware vSphere/ESXi, Hyper-V, and Nutanix virtualization, HCI clusters, RAID, storage capacity, and high availability. • Monitored infrastructure using ManageEngine Endpoint Central, Dell iDRAC, and HPE iLO; supported patching through SCCM and WSUS. • Used PowerShell, Python, Ansible, and Nutanix Calm for routine provisioning and operational automation; supported backup, recovery, network troubleshooting, documentation, and SLA reporting. Remote VMware / Server Administration (Part-Time) | Burnley Plumbing Supplies London, UK | Remote | Aug 2023 – Jul 2025 • Provided remote, part-time infrastructure support alongside other employment; this was additional-hours work, not a full-time position. • Administered VMware vSphere, ESXi, vCenter, virtual machines, and Windows Server 2008–2022; supported availability, capacity, snapshots, AD/GPO, DNS, DHCP, permissions, and security configuration. • Investigated incidents, performed root-cause analysis, monitored resource utilization, and documented configurations and operating procedures. • Gained foundational working exposure to Jenkins, Terraform, Kubernetes, and AKS; these tools are not represented as advanced production ownership.