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Christie

IT Systems & Network Administrator

Christie Belle Isle, Florida, United States

Entertainment Providers · 501-1,000 employees

7 h ago
Remote network-engineer Senior (5-10 yrs) Full-time United States
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About the role

The role involves managing and securing server, cloud, endpoint, and network infrastructure while diagnosing connectivity and identity issues. You will also be responsible for maintaining documentation, implementing security policies, and coordinating infrastructure upgrades with vendors.

What they look for

Windows Server Active Directory Microsoft Entra ID Exchange Online Microsoft Intune Wi-Fi Switching Cisco Meraki Sophos Network Policy Server Ubiquiti PowerShell Network Administration Cloud Services Identity Management Security Policies

Requirements

Candidates must have at least 5 years of experience and hands-on expertise in Microsoft environments, including Windows Server, Active Directory, and Intune. A valid passport is required for international travel, and proficiency in network administration and automation is expected.

Full description

We are seeking a hands-on IT professional to manage and support our Microsoft infrastructure, cloud services, endpoints, and network environment. The ideal candidate can troubleshoot across multiple technologies and own day-to-day operations, security, and infrastructure improvements.

Key responsibilities

  • Maintain reliable and secure server, cloud, endpoint, and network services.
  • Diagnose and resolve issues across identity, devices, applications, and connectivity.
  • Manage access controls, security policies, updates, and configuration changes.
  • Maintain infrastructure documentation, network diagrams, and operating procedures.
  • Support infrastructure upgrades and coordinate with vendors when needed.
  • Communicate clearly with technical colleagues and nontechnical users.

Preferred experience

  • PowerShell scripting and administrative automation a plus.
  • Relevant certifications are a plus.

Required technical skills

  • Windows Server 2022 and 2025: Installation, configuration, maintenance, patching, and troubleshooting.
  • Active Directory: User and group administration, DNS, DHCP, and replication.
  • Microsoft Entra ID: Identity administration, multifactor authentication, Conditional Access, and hybrid identity integration.
  • Exchange Online: Mailbox administration, mail flow, permissions, email security, and troubleshooting.
  • Microsoft Intune: Device enrollment, configuration profiles, compliance policies, application deployment, and endpoint management.
  • Wi-Fi: Wireless configuration, authentication, coverage, performance, and connectivity troubleshooting.
  • Switching: VLANs, trunking, PoE, spanning tree, and network troubleshooting.
  • Cisco Meraki: Dashboard administration, MX/MR device configuration, monitoring, and troubleshooting.
  • Sophos: Administration and troubleshooting of the Sophos products used in our environment.
  • Network Policy Server (NPS): RADIUS configuration, network access policies, and 802.1X authentication.
  • Ubiquiti Wi-Fi: Design, configuration, troubleshooting, and maintaining our corporate Wi-Fi.

Required

  • Minimum of 5 years’ experience.
  • Must have a valid passport and be able to travel internationally.
  • Demonstrated hands-on experience supporting a global environment.

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