IT Systems & Network Administrator
About this role
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.
Frequently Asked Questions
Is the salary disclosed for the IT Systems & Network Administrator position at Christie?
The salary for this IT Systems & Network Administrator role at Christie is not publicly listed. Click "Apply Now" to learn more about the compensation package on their official careers page.
Where is the IT Systems & Network Administrator position at Christie located?
This IT Systems & Network Administrator role at Christie is based in Belle Isle, Florida, United States. The position is listed as on-site or hybrid. Check the full job description or apply directly to confirm the work arrangement.
Is the IT Systems & Network Administrator role at Christie full-time or part-time?
This is listed as a Full time position. It is posted as a IT Systems & Network Administrator role at Christie.
How do I apply for the IT Systems & Network Administrator position at Christie?
Click the "Apply Now" button on this page. You will be redirected to Christie's official application portal hosted on workable where you can submit your application directly.
When was the IT Systems & Network Administrator job at Christie posted?
This IT Systems & Network Administrator position at Christie was posted on Sep 10, 2026. Apply as soon as possible — early applications are often reviewed first.
IT Systems & Network Administrator
Christie
You'll be redirected to Christie's official application page on workable.