Aishwarya Kalidas

Results-driven IT Infrastructure Specialist with 9 years of experience in managing Windows Server and VMware environments. Proven expertise in system administration, virtualization, automation, and security enforcement including Illumio VEN deployments. Strong knowledge of ITIL processes and Azure fundamentals (AZ-900 certified) with a focus on delivering secure, scalable, and high-availability solutions.

• ITIL v.3 Foundation certified.
• AZ-900 certified.

English, Tamil

Project name: Jellybean T-Systems

Organization: Cognizant Technology Solutions

Project Name: BHP Billiton

Organization: Accenture Solutions Pvt Ltd

Project Name: Woodside Energy

Organization: Accenture Solutions Pvt Ltd

Project Name: Eversource Energy

Organization: LTI Mindtree

Project Name: Woodside Energy

Organization: Infosys Limited

• Customer champion
• Blooming Talent
• Orange Award
• ACE Award

WINDOWS

• Deploy, configure, maintain, and verify virtual and physical Windows servers, including failover clustering and upgrades
• Manage firmware and driver updates, troubleshoot hardware issues, and engage vendors as needed
• Harden Windows servers to align with security best practices
• Install, configure, and troubleshoot DHCP scopes, reservations, and client connectivity
• Administer DNS servers, zones (forward and reverse), records, and client name resolution
• Oversee Active Directory sites, replication, user/group lifecycle, and account policies
• Design, implement, and troubleshoot Group Policy Objects (GPOs), templates, and policy settings
• Configure and manage WSUS and SCCM (or Ivanti Security Controls) for operating system and application patch deployment
• Address patching issues, manage update approvals, and coordinate update policies
• Monitor server health using tools like SCOM and Splunk, and respond to alerts and performance degradation
• Resolve backup issues (e.g. VSS writers, disk failures
• Perform Windows Server hardening and enforce account and password security policies
• Deploy and upgrade the Illumio VEN agent on endpoints as part of network segmentation

VMWARE

• Perform vSphere vMotion and Storage vMotion migrations to relocate running VMs seamlessly
• Use templates, cloning, and OVF deployments via vCenter or content libraries for efficient provisioning and consistency
• Manage VM lifecycle: creation, hardware configuration, snapshots, upgrades, and modifications
• Configure and manage the vCenter Server Appliance, including host inventory, licensing, and appliance health
• Install, upgrade, and maintain ESXi hosts, including firmware/driver updates and host profiles
• Control access via roles, permissions, and AD integration, aligning with least-privilege principles
• Apply secure configuration best practices: host lockdown mode, NTP sync, remote logging, account lockout policies
• Configure resource pools, monitor usage through vCenter performance graphs and alarms, and optimize workloads via DRS
• Implement and manage HA (High Availability) clusters and fault tolerance (FT) to ensure continuous VM availability
• Enable Enhanced vMotion Compatibility (EVC) to standardize CPU compatibility across clusters for seamless migrations
• Build and manage vSphere HA and DRS clusters for automated failover and load balancing across ESXi hosts
• Upgrade ESXi, vCenter, and hosts to current releases

CITRIX

• Create custom administrative roles in Citrix Studio using Active Directory groups, granting fine-grained permissions
• Assign each administrator group the appropriate custom role or built-in role (e.g. Full admin, read-only admin, and scope of control
• Monitor and manage active administrator sessions in Citrix Director or Studio console, including the ability to disconnect or restrict sessions as needed
• Restrict session access or logon during troubleshooting, disable sessions on specific silos or servers based on health check findings
• Administer Citrix Web or App-V servers: publish applications, desktops, and content to users
• Provision and adjust user access permissions to these resources (add/remove access, adjust entitlements)
• Resolve user connection issues by refreshing user profiles, addressing issues like stale cached profiles, or misconfigured UPM settings
• Apply best practices for profile performance, such as adhering to Citrix-recommended exclusions, or leveraging container-based profile handling