We are looking for a Systems Engineer to support and enhance core enterprise infrastructure in San Jose, California. This Long-term Contract position is ideal for someone with strong experience administering Windows-based environments, identity platforms, and messaging systems. The role focuses on maintaining reliable system performance, strengthening access management, and helping teams resolve complex infrastructure issues across the organization.<br><br>Responsibilities:<br>• Administer and optimize Active Directory services to support secure user access, group policies, and directory health.<br>• Maintain Microsoft Windows Server environments, including configuration, patching, performance monitoring, and issue resolution.<br>• Support Azure Active Directory operations such as identity synchronization, access controls, and authentication management.<br>• Manage Microsoft Exchange administration tasks to help ensure stable mail flow, mailbox availability, and system reliability.<br>• Investigate infrastructure incidents and implement corrective actions to minimize downtime and recurring technical problems.<br>• Collaborate with internal teams to plan, test, and deploy system improvements that strengthen platform stability and security.<br>• Document system configurations, operational procedures, and technical changes to support maintainability and knowledge sharing.

• Hands-on experience administering Active Directory in an enterprise environment.<br>• Strong background supporting Microsoft Windows Server platforms.<br>• Practical knowledge of Azure Active Directory, including identity and access management concepts.<br>• Experience working with Microsoft Exchange administration and support.<br>• Ability to troubleshoot infrastructure issues across server, directory, and authentication systems.<br>• Familiarity with documenting technical environments and following operational best practices.<br>• Strong communication skills and the ability to work effectively with cross-functional teams.

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