Senior Windows & VMware/Nutanix Infra Architect

Cognizant; Newport Beach (CA); Hybrid; USD 100,000 - 115,000; Full time

Benefits offered by this job

Medical/Dental/Vision/Life Insurance

401(k) plan and contributions

Paid holidays plus PTO

Long-term/Short-term Disability

Paid Parental Leave

Employee Stock Purchase Plan

Job summary

Cognizant is seeking a Senior Windows, ESXi, and Nutanix Administrator to manage enterprise infrastructure across Windows Server, VMware, Nutanix, DR, security, and datacenter operations. You will drive incident and problem resolution, lead modernization initiatives, and collaborate with stakeholders to ensure reliable IT service delivery.

The role emphasizes automation via PowerShell/PowerCLI, ITSM support with ServiceNow, and governance with ITIL practices.

Qualifications

• 10 years of Windows Server administration experience in enterprise environments.
• Proficiency with VMware ESXi, vCenter, HA, DRS, vMotion and lifecycle management.
• Knowledge of Nutanix AHV and Prism for cluster administration, storage management, and performance optimization.
• Expertise in disaster recovery planning, testing, and execution utilizing VMware Site Recovery Manager (SRM).
• Deep understanding of Active Directory, Group Policy, DNS, DHCP, SCCM, and SSL certificate management.
• Ability to develop and maintain automation solutions using PowerShell and PowerCLI.
• Familiarity with security, vulnerability management, and endpoint protection platforms such as Tanium, Qualys, and CrowdStrike.
• Knowledge of monitoring and observability tools, including Splunk and Grafana.
• Strong understanding of ITIL service management practices, including Incident, Change, Problem, Request, and Configuration Management.
• Capability to support enterprise infrastructure hardware platforms, including Dell, HP, Cisco UCS, and IBM systems.

Responsibilities

• Administer, configure, patch, monitor, and troubleshoot Windows Server environments.
• Manage Active Directory, Group Policy, DNS, DHCP, SCCM, and SSL certificate services.
• Administer VMware ESXi, vCenter, HA, DRS, vMotion, virtual machine provisioning, and cluster optimization.
• Manage Nutanix AHV and Prism environments, including cluster operations, storage administration, and performance monitoring.
• Support disaster recovery solutions using VMware Site Recovery Manager (SRM), replication technologies, failover/failback activities, and DR testing.
• Monitor and maintain infrastructure security and compliance using Tanium, Qualys, and CrowdStrike.
• Utilize Splunk and Grafana for log analysis, monitoring, dashboard creation, and incident investigations.
• Develop and maintain PowerShell and PowerCLI automation scripts to improve operational efficiency.
• Support ITSM processes through ServiceNow, including Incident, Change, Problem, Service Request, and Configuration Management.
• Manage software asset and license compliance activities using Flexera.
• Administer Dell, HP, Cisco UCS, and IBM infrastructure hardware, including firmware upgrades, maintenance, and troubleshooting.
• Lead infrastructure transformation initiatives, including datacenter consolidation, platform upgrades, virtualization migrations, and infrastructure refresh projects.
• Coordinate major incident response activities, ensuring effective communication, timely resolution, and service restoration.
• Drive proactive and reactive problem management through root cause analysis, trend identification, and remediation planning.
• Assess operational risks, facilitate change approvals, and ensure successful implementation of infrastructure changes.
• Maintain operational governance standards, SLA compliance, documentation, and continuous service improvement practices.
• Partner with business stakeholders and technical teams to ensure alignment with organizational objectives and service expectations.

Skills

Windows Server

VMware vSphere

Nutanix AHV

Disaster recovery

Active Directory

PowerShell

Security tools

ITIL

Splunk

Grafana

SCCM

ServiceNow

Flexera

Tools

Tanium

Qualys

CrowdStrike

Splunk

Grafana

ServiceNow

Flexera

SCCM

Job description

Cognizant is seeking a Senior Windows, ESXi, and Nutanix Administrator to manage enterprise infrastructure across Windows Server, VMware, Nutanix, DR, security, and datacenter operations. You will drive incident and problem resolution, lead modernization initiatives, and collaborate with stakeholders to ensure reliable IT service delivery.

The role emphasizes automation via PowerShell/PowerCLI, ITSM support with ServiceNow, and governance with ITIL practices.