Salary: £53,000 - 79,000 per year Requirements: Knowledge and experience of Microsoft SQL Server is desirable Knowledge and experience of ForcePoint Web Security is desirable Knowledge and experience of Linux (Red Hat/Cent OS) is desirable Knowledge and experience of Windows Scripting (PowerShell) is desirable Knowledge and experience of General TCP/IP, routing, VPNs and Firewall networking is desirable Knowledge and experience of Tenable Nessus/Cloud is desirable Excellent knowledge and experience of Microsoft Azure is essential Good knowledge and experience of Microsoft RDS/AVD is essential Good knowledge and experience of Active Directory/DNS/DHCP and other Microsoft domain technologies is essential Good knowledge and experience of Microsoft Exchange 2013/2019 is essential Knowledge and experience of Microsoft System Centre Configuration Manager is desirable Knowledge and experience of Zabbix monitoring platforms is desirable Excellent knowledge and experience of Microsoft Windows 2003 through 2025 is essential Proven experience in a Systems Administrator role of at least 3 years Troubleshooting and problem-solving skills are essential Responsibilities: Complete Active Directory Management, including but not limited to group policy, users, computers/servers, DHCP, DNS, PKI and security Microsoft Office 365 services configuration, management and support Microsoft Azure services configuration, management and support Management of approximately 600 worldwide servers across multiple domains, ensuring that the servers are maintained including MS critical/security updates, vendor software updates and remediation of monitored errors Provide support to business software owners running on managed ICT servers Follow the change management processes to ensure all changes are logged and changes applied with no un-scheduled downtime Administer, upgrade and maintain all existing systems including Exchange, SCCM, SQL, etc. Fully manage the RDS/Azure Farms and Remote Published Apps Assist management team in capacity planning Assist management team in availability planning Manage and implement operational projects Liaise and cooperate with the projects team on business project implementations Proactively look for improvements and investigate new technologies to improve the service provided to the Altrad businesses Participate in a 24x7x365 rota-based on-call server support Technologies: Active Directory Azure Cloud Firewall ICT Support Linux Office 365 PowerShell SQL Security TCP/IP Web Windows Zabbix VPN More: At Altrad, we are the leading provider of infrastructure services, transforming our nations critical infrastructure to operate safely and sustainably. With over 11,000 talented people, we provide a full spectrum of critical engineering and construction services for both onshore and offshore industries. We celebrate diversity and are committed to creating an inclusive environment for all employees, making hiring decisions based on experience, skills, and passion for making a difference. We welcome everyone to apply and start their journey with us. last updated 4 week of 2026