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RH
Robert Half
Systems Security Administrator
Career Insights for Windows Administrator
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Based on Florida data
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What they do
A Windows Administrator is responsible for maintaining the systems and servers of a business' Windows operating system. Includes installing, configuring and supporting Windows based physical and virtual servers and deploying and testing Windows operating systems including virus updates, patches and performance tuning.
$106,449 / year median in Florida
-18% projected decline
Job Description
We are looking for a Systems Security Administrator to support and strengthen a Microsoft-centric technology environment. This contract position is ideal for a hands-on, detail-oriented candidate who can balance infrastructure administration, endpoint support, and security-minded operational work across servers, desktops, and cloud services. The role offers the opportunity to work across core platforms including Microsoft 365, Azure, Entra ID, and virtualization technologies while helping maintain reliable, secure day-to-day IT operations.
Responsibilities:
- Administer and support Microsoft server, desktop, and Microsoft 365 environments to maintain stable and secure business operations.
- Manage identity and access services across Azure, Entra ID, Active Directory, and Group Policy, including user provisioning and policy enforcement.
- Plan and perform patching activities for servers and endpoint devices, coordinating maintenance windows to minimize operational disruption.
- Provide technical assistance for desktop users by diagnosing endpoint issues, resolving system problems, and supporting application access.
- Maintain and support virtual infrastructure using platforms such as VMware or OpenShift to ensure system performance and availability.
- Assist with security administration activities such as multi-factor authentication, single sign-on, and endpoint management controls.
- Troubleshoot basic networking issues involving switching, VPN connectivity, firewalls, and related infrastructure components.
- Support storage, device management, and user computing environments while documenting procedures and following established policies.
- Collaborate with colleagues and end users to deliver technical guidance, training, and responsive support in an evolving IT environment.