IT Infrastructure Engineer

STR Group Limited; City Of London; Hybrid; GBP 80,000 - 100,000; Full time

Job summary

A leading construction firm is seeking an experienced IT Infrastructure Engineer in London. This hybrid role involves managing network infrastructure, supporting server and user hardware, and ensuring compliance with IT policies. The ideal candidate will have a strong background in Windows Server, Hyper-V, and disaster recovery, with excellent problem-solving skills. Competitive salary offered.

Qualifications

• Experience in network infrastructure and security.
• Strong knowledge of disaster recovery and business continuity.
• Familiarity with compliance controls like ISO 27001.

Responsibilities

• Configure and maintain network infrastructure.
• Monitor Helpdesk tickets and provide escalations.
• Create and update IT documentation.

Skills

Windows Server Administration

Hyper-V

Active Directory

Office 365 Administration

Powershell Scripting

LAN/WAN Management

Tools

Microsoft Defender for Endpoint

COINS ERP

Job description

Overview

IT Infrastructure Engineer - London - Hybrid - Competitive Salary

We are on the hunt for a well-experienced IT Engineer to join a growing team of professionals delivering support and strategic transformations within a large construction business in the UK.

Responsibilities

• Configure, monitor, and maintain network infrastructure and security
• Administration, support, and assist with development of all server, user and infrastructure hardware, including virtualization
• Administration of software across the business, including servers and user devices. Comply and maintain the internal Approved Software List Process, including administration of COINS ERP
• Monitor and maintain Microsoft environment
• Monitor resolution of Helpdesk tickets and act as an escalation point as appropriate
• Undertake planned and ad-hoc IT projects
• Create, update and maintain all IT documentation for the business
• Administration of security solutions, ensuring GRC are maintained
• Assist in the implementation of business improvements, ensuring compliance with all appropriate policies and procedures
• Make autonomous decisions in line with department and business requirements, ensuring alignment with the IT strategy/IT Manager direction

Technical Expertise

• Experience with Windows Server Administration, patch management, OS hardening
• Hyper-V experience, VM provisioning, resource allocation, backup, HA, failover clustering
• AD/AAD, GPO, Azure AD Connect/Entra ID sync, SSO, MFA, Conditional Access
• Administration of Microsoft offerings including Office 365
• Knowledge of Microsoft Defender for Endpoint / Microsoft Security Suite / Microsoft Sentinel (or similar SIEM monitoring)
• Experience working with Role-based access control (RBAC) and privileged identity management
• Awareness of ISO 27001 / Cyber Essentials compliance controls
• IAM, PAM, XDR, GRC tools
• Confidence with Disaster Recovery and Business Continuity projects
• Powershell scripting experience
• Networking experience including:
  • LAN/WAN management (switches, routers, VLANs)
  • VPN and remote access solutions
  • Firewall configuration and monitoring
  • DNS, DHCP, TCP/IP troubleshooting