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# Infrastructure Systems Administrator

- **Company:** Talent & Acquisition LLC
- **Location:** Commerce, CA, United States
- **Experience:** Expert
- **Salary:** $135,200.0 - $156,000.0
- **Contract:** Permanent contract
- **Skills:** Microsoft Windows, Active Directory, Amazon Web Services, Cloud Computing, Databases, Linux, Microsoft SQL Server, Windows Servers, Paessler Router Traffic Grapher, Azure Active Directory, Security Information and Event Management, Tripwire, VMware Infrastructure, Virtualization Technology, Software Vulnerability Management, Backup and Restore, Datadog, SUSE Linux, Database Performance, Microsoft InTune, Amazon Relational Database Service, SAP MII, 3-tier Architectures, Nutanix
- **Published:** August 21, 2026
- **Apply:** https://www.dice.com/job-detail/ef501132-8b17-46b4-86a8-2162354f83ee

## About the Role

Strong experience with enterprise infrastructure administration, troubleshooting, security, virtualization, cloud technologies, and monitoring. Must be able to work independently while collaborating effectively across teams, communicate technical information clearly, and take ownership of projects and complex technical issues

## Description

The Sr. Infrastructure Systems Administrator is responsible for administering, maintaining, securing, monitoring, and supporting on-premises and cloud infrastructure. This six-month contract role provides senior-level technical expertise, Tier 3 support, project execution, and technical guidance to other IT team members. The position supports Windows, Linux, virtualization, cloud, database, monitoring, security, and backup technologies across the enterprise environment. Success in this role requires independent ownership of complex technical issues and effective collaboration across IT teams., * Administer and support Windows Server, Active Directory, Microsoft Entra ID, and Intune.

 * Manage Windows Server patching and vulnerability remediation using Tenable.
 * Install, maintain, and support SUSE Linux, including SAP MII environments.
 * Administer and support Nutanix, Nutanix AHV, and VMware infrastructure.
 * Support AWS Windows Server environments and Amazon RDS for Microsoft SQL Server.
 * Monitor infrastructure and database performance using Datadog and PRTG.
 * Support security technologies including CrowdStrike and Tripwire SIEM.
 * Manage enterprise digital certificates and certificate renewals.
 * Administer Rubrik backup, recovery, and restore operations.
 * Troubleshoot and resolve complex Tier 3 infrastructure and Helpdesk escalations.
 * Participate in infrastructure upgrades, migrations, maintenance, and system-improvement initiatives.
 * Mentor junior system administrators and Helpdesk technicians.
 * Collaborate with security analysts and provide technical knowledge and training.
 * Work with infrastructure teams to define project scope, requirements, and implementation plans.
 * Execute infrastructure projects and coordinate activities across IT teams.
 * Maintain technical documentation and promote infrastructure best practices.


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