About the role
As a Senior Windows, ESXi and Nutanix Administrator, you will make an impact by managing and supporting enterprise infrastructure environments across Windows Server, VMware, Nutanix, disaster recovery, security, and datacenter operations. You will be responsible for maintaining highly available and secure infrastructure services, driving operational excellence, leading major incident and problem management activities, and supporting infrastructure modernization initiatives. You will collaborate with business stakeholders, technology teams, and vendors to ensure reliable and compliant IT service delivery.
In this role, you will
- 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.
Work model
We believe hybrid work is the way forward as we strive to provide flexibility wherever possible. Based on this role’s business requirements, this is a hybrid position requiring 3 days a week in a client or Cognizant office in Newport Beach, CA. Regardless of your working arrangement, we are here to support a healthy work-life balance though our various wellbeing programs.
The working arrangements for this role are accurate as of the date of posting. This may change based on the project you’re engaged in, as well as business and client requirements. Rest assured; we will always be clear about role expectations
What you need to have to be considered
- 10 years of experience in Windows Server administration supporting enterprise environments.
- Proficiency with VMware vSphere technologies including ESXi, vCenter, HA, DRS, vMotion, and virtual machine 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.
- Excellent communication, stakeholder engagement, and customer-facing skills.
- Proven ability to lead major incident resolution efforts and effectively coordinate cross-functional teams during critical service disruptions.
- Strong analytical and troubleshooting skills with a focus on operational stability and continuous improvement.
These will help you stand out
- Background in large-scale infrastructure transformation and modernization initiatives.
- Knowledge of datacenter consolidation, infrastructure refresh programs, and virtualization platform upgrades.
- Familiarity with P2V, V2V, Hyper-V, and storage migration projects.
- Ability to drive root cause analysis and implement long-term corrective actions.
- Industry certifications related to VMware, Nutanix, Microsoft, ITIL, or infrastructure operations.
- Experience working within highly regulated, SLA-driven enterprise environments.
We're excited to meet people who share our mission and can make an impact in a variety of ways. Don't hesitate to apply, even if you only meet the minimum requirements listed. Think about your transferable experiences and unique skills that make you stand out.
Salary and Other Compensation:
Applications will be accepted until October 10, 2026.
The annual salary for this position is between $100,000 - $115,000 USD depending on experience and other qualifications of the successful candidate.
This position is also eligible for Cognizant’s discretionary annual incentive program, based on performance and subject to the terms of Cognizant’s applicable plans.
Benefits: Cognizant offers the following benefits for this position, subject to applicable eligibility requirements:
• Medical/Dental/Vision/Life Insurance
• Paid holidays plus Paid Time Off
• 401(k) plan and contributions
• Long-term/Short-term Disability
• Paid Parental Leave
• Employee Stock Purchase Plan
Disclaimer: The salary, other compensation, and benefits information is accurate as of the date of this posting. Cognizant reserves the right to modify this information at any time, subject to applicable law.
Please note, this role is not able to offer visa transfer or sponsorship now or in the future.
关于高知特 (Cognizant)
高知特(Cognizant)（纳斯达克代码：CTSH）作为一家AI Builder和相关技术服务提供商，致力于通过打造全栈AI解决方案，帮助企业将人工智能投资转化为实际价值。公司凭借深厚的行业经验、流程优化和工程技术专长，将企业独特的业务场景融入科技系统，赋能组织释放人才潜能，推动切实成果，并帮助全球企业在瞬息万变的环境中保持领先。如需了解更多详情，敬请访问 cognizant.ai 或关注@cognizant。
补充雇佣信息
薪酬信息截至本职位发布之日为准。Cognizant 保留在适用法律允许的范围内随时修改该信息的权利。
申请人可能需要通过现场面试或视频会议的方式参加面试。此外，候选人在每次面试时可能需要出示其当前所在州或政府签发的有效身份证件。
Cognizant 是一家提供平等就业机会的雇主。在招聘过程中，您的申请和候选资格不会因种族、肤色、性别、宗教、信仰、性取向、性别认同、国籍、残疾、遗传信息、怀孕、退伍军人身份或任何其他受联邦、州或地方法律保护的特征而受到影响。
