Senior System Administrator – Remote‑First IT Support

About the role

We are seeking a Senior System Administrator to join a globally distributed, remote‑first organisation in the United Kingdom. You will ensure the stability, security and efficiency of internal IT operations while providing high‑quality support to employees across multiple regions and time zones.

Key responsibilities

• Provide technical support to internal staff worldwide, troubleshooting hardware, software, VPN, Citrix and access‑management issues.
• Manage user accounts, permissions and provisioning in Google Workspace and Active Directory.
• Configure, deploy and maintain Windows and macOS devices, including OS installation and device setup.
• Administer endpoint management and MDM solutions such as Microsoft Intune, Jamf or equivalents.
• Handle support tickets via Jira or other ITSM tools, ensuring SLA compliance.
• Maintain IT equipment inventory and oversee hardware lifecycle management.
• Assist with IT operations for office hubs, internal events and cross‑functional technical initiatives.
• Collaborate with infrastructure and operations teams to improve systems, user experience and service delivery.

Required profile

• Minimum 3 years of experience in corporate IT support, system administration or related infrastructure roles.
• Strong knowledge of Google Workspace and Active Directory administration.
• Hands‑on experience with MDM and endpoint management tools (Intune, Jamf or similar).
• Proven ability to support both Windows and macOS environments.
• Excellent troubleshooting skills across hardware, software, networking and remote‑access technologies.
• Experience with VPN solutions, Citrix and remote‑access tools.
• Familiarity with ITSM processes and service‑desk platforms such as Jira.
• Strong communication skills and a customer‑focused mindset.

Required skills

• Google Workspace
• Active Directory
• Microsoft Intune
• Jamf
• Windows OS
• macOS
• VPN technologies
• Citrix
• Jira (ITSM)