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Now viewing: Systems Security Administrator
RH
Robert Half
Systems Security Administrator
Job Description
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. Requirements
- At least 6 years of experience in IT security infrastructure, operations, design, or information assurance.
- Hands-on experience supporting Microsoft Windows Server, Windows desktop environments, and Microsoft 365 services.
- Working knowledge of Azure, Microsoft Entra ID, Active Directory, and Group Policy administration.
- Experience with server and endpoint patch management, maintenance coordination, and endpoint troubleshooting.
- Familiarity with virtualization technologies such as VMware, OpenShift, or similar platforms.
- Foundational understanding of networking concepts including VPNs, firewalls, switching, and related connectivity principles.
- Associate degree in information technology, cybersecurity, computer science, or a related discipline, or equivalent practical experience.
- Strong communication, organization, prioritization, and end-user support skills; entry-level certifications such as CompTIA or Microsoft credentials are preferred but not required.