IT Systems & Network Administrator

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. Requirements 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.