Infrastructure and Security Engineer

Salary: £16,000 - 51,000 per year

Requirements:

• Strong experience with our Microsoft infrastructure, including Windows Server, Active Directory, Azure, and Microsoft 365.
• Deep understanding of networking technologies, including LAN/WAN/WiFi, TCP/IP, firewalls, routing, switching, and Cisco.
• Experience with cloud security, IAM, and Azure environments.
• Knowledge of virtualisation technologies, including VMware.
• Scripting experience with PowerShell.
• Familiarity with monitoring tools such as SolarWinds, PRTG, and Zabbix.
• Experience in incident response, vulnerability management, and endpoint security.
• Understanding of backup, disaster recovery, and storage solutions.
• Certifications such as CCNA, CCNP, CCIE, Azure AZ-104 or AZ-500, or Microsoft certifications such as MS-102 or MCSA are desirable.
• Knowledge of Zero Trust architecture and hybrid cloud environments is desirable.
• Experience with automation tools such as Terraform and Azure CLI is desirable.
• Familiarity with ITIL practices and service management tools is desirable.
• Experience managing third-party vendors and security compliance is desirable.
• We are looking for a proactive, self-driven professional who thrives in a fast-paced environment.
• Strong problem-solving skills with a solutions-focused mindset.
• Ability to communicate complex technical concepts clearly to a range of stakeholders.
• High attention to detail and accountability.
• A collaborative team player who can influence and lead without authority.
• A passion for continuous learning and staying ahead of emerging technologies.

Responsibilities:

• Act as a hands-on technical lead, driving continuous improvement across infrastructure and security.
• Design, implement, and optimise secure, scalable environments across servers, cloud, storage, and networks.
• Support and enhance our hybrid Microsoft ecosystem, including Azure, Microsoft 365, Intune, Entra ID, SCCM, and SQL Server.
• Manage and maintain our virtualised environments, including VMware vSphere, ESXi, and vCenter.
• Ensure the performance, resilience, and security of our Cisco Meraki network.
• Manage security tooling, including SIEM platforms, endpoint protection, and identity access controls.
• Lead vulnerability assessments, penetration testing, and remediation activities.
• Strengthen cyber defence through proactive threat detection, incident response, and forensic analysis.
• Drive adoption of Zero Trust principles and secure identity management, including RBAC and MFA.
• Enhance our security posture across Azure using tools such as Microsoft Defender for Cloud and Sentinel.
• Maintain compliance with regulatory and security frameworks, including PCI DSS, ISO, NIST, and GDPR.
• Design and implement secure device deployments using Intune and Autopilot.
• Ensure consistent, secure configurations across retail, hospitality POS, and corporate devices.
• Manage patching, updates, and endpoint security across a complex estate.
• Lead disaster recovery planning, testing, and execution.
• Maintain backup solutions and ensure high availability of services.
• Partner with internal teams and third-party providers to deliver secure, high-performing services.
• Act as a trusted subject matter expert and advisor across the business.
• Mentor team members and promote a security-first culture.
• Ensure robust documentation, standards, and best practices are in place.

Technologies:

• Active Directory
• Azure
• Cloud
• Cisco
• IAM
• Support
• ITIL
• LAN
• Microsoft 365
• Network
• PowerShell
• RBAC
• SQL
• Security
• TCP/IP
• Terraform
• VMware
• Windows
• Zabbix
• Office 365

More:

We are seeking a highly experienced and forward-thinking Senior Infrastructure & Security Engineer to play a pivotal strategic role in shaping and securing our technology landscape. This is a hands-on leadership position based in Piccadilly, London, with occasional travel to other sites, reporting to our Head of Infrastructure, Network & Cyber Security and working closely with our Digital Transformation & Technology, Retail, Facilities, and Third-Party Partners teams. We offer a competitive salary, up to 40% store and restaurant discount, 25 days holiday plus your birthday off, a subsidised staff restaurant using our own ingredients, an excellent pension scheme, and ongoing development and career progression opportunities. We are committed to inclusion, celebrate the achievements of our people across Retail, Technology, Global Hospitality & Tourism, Visual Merchandising & Display, Customer Service, and Local Community, and encourage talented individuals to apply.

last updated 30 week of 2026