IT Administrator

About the role

The IT Administrator will join a global IT support team to manage and maintain corporate servers, network infrastructure, and desktop systems at our London site. You will be responsible for the full lifecycle of Active Directory, Windows, macOS, Linux servers, and related services while ensuring security compliance.

Key responsibilities

• Administer and monitor Active Directory, Office 365, Intune, and related user accounts.
• Maintain Windows, macOS, and Linux servers, desktops, mobile devices, and game consoles.
• Manage network routers, switches, security appliances, and wireless access points, including Fortinet firewalls.
• Provide 24x7 support and participate in on‑call rotation for all workstations and servers.
• Implement and audit information‑security controls (ISO27001, PCI‑DSS) and produce regular system utilization reports.

Required profile

• Fluent English.
• Minimum 5 years experience in QA, technical support, or contact‑center environments.
• Proven experience with Active Directory and Office 365 administration.
• Strong Windows Server administration skills, including Azure AD, DNS, DHCP, IIS, FTP and PKI.
• Experience with Cisco networking equipment; CCNA/MCSE preferred.
• Hands‑on experience configuring Fortinet firewalls.

Required skills

• Active Directory
• Office 365 (Exchange, SharePoint, Skype for Business)
• Intune (MDM)
• Windows Server
• Azure AD
• DNS, DHCP, IIS, FTP, PKI
• Cisco switches and routers
• Fortinet firewalls
• Linux server administration
• macOS administration
• Network routing and redundancy principles
• Email and content filtering systems
• IT asset inventory management