Senior Server Administrator (VMware / Windows / Active Directory)

Location: :EXPERIAN, USA:

Duration: 6 months

GBaMS ReqID: 10912337

Job Title: Senior Server Administrator (VMware / Windows / Active Directory)

Role Summary:

Support server upgrade and infrastructure modernization projects

Plan, upgrade, troubleshoot, and validate enterprise Windows Server environments

Administer and support VMware and Active Directory infrastructure

Work onsite and coordinate with multiple technical teams

Support critical production systems

Key Responsibilities:

Perform Windows Server upgrades and migrations from 2012/2016/2019 to newer versions

Administer and support VMware vSphere, ESXi, and vCenter environments

Manage Active Directory, DNS, DHCP, Group Policies, and related services

Execute server patching, health checks, and performance validation

Coordinate with Network, Security, Database, and Application teams during upgrade activities

Perform backup, restoration, and disaster recovery validation

Troubleshoot server, virtualization, storage, and operating system issues

Document configurations, procedures, risks, and upgrade outcomes

Support after-hours maintenance windows and project cutover activities

Ensure compliance with security and operational standards

Required Skills & Experience:

8+ years of Windows Server Administration experience

Strong experience with VMware vSphere, ESXi, vCenter, HA, DRS, and vMotion

Strong Active Directory administration experience

Experience with Windows Server 2012, 2016, 2019, and 2022

Experience with PowerShell scripting and automation

Strong troubleshooting and root cause analysis skills

Experience supporting enterprise-scale infrastructure environments

Excellent communication and documentation skills

Preferred Qualifications:

VMware VCP Certification

Microsoft Windows Server Certifications

Experience with Nutanix, Azure, or AWS

Experience with large-scale infrastructure upgrade or migration projects