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IT Systems & Network Administrator

Job Description - IT Systems & Network Administrator

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.


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.
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