Infrastructure & Security Engineer

Location: Central London (Hybrid two to three days a week on site)

Salary: 55,000 - 60,000

Contract: Permanent, Full-Time

We're working with a well-established organisation looking to strengthen its technology function with the addition of an Infrastructure & Security Engineer.

This role offers the opportunity to take ownership across infrastructure, cloud, networking, and security, supporting a modern multi-site environment spanning head office, operational locations, and customer-facing technology platforms. You'll work closely with both technical and non-technical stakeholders while contributing to the delivery of secure, resilient, and scalable infrastructure solutions that underpin critical business operations.

Key Responsibilities

• Provide 2nd and 3rd line support across infrastructure and security technologies
• Maintain and optimise Microsoft environments including Azure, Microsoft 365, Entra ID, Intune, Windows Server, and Active Directory
• Support and enhance virtualised infrastructure using VMware technologies
• Manage and improve network infrastructure, including switching, routing, wireless, and firewall technologies
• Lead vulnerability management, security remediation, and compliance initiatives
• Support identity and access management, endpoint security, and threat protection activities
• Contribute to disaster recovery planning, testing, and business continuity initiatives
• Work with internal teams and third-party suppliers to deliver infrastructure improvements and security enhancements
• Support and secure end-user technologies across corporate, retail, and operational environments, including device deployment through Intune and Autopilot
• Create and maintain technical documentation, standards, and operational procedures
• Support ongoing infrastructure modernisation and continuous improvement projects

Required Experience

• Experience in an Infrastructure Engineer, Infrastructure Analyst, Systems Engineer, or similar role
• Strong Microsoft infrastructure experience including Windows Server, Active Directory, Microsoft 365, Azure, Entra ID, and Intune
• Experience supporting virtualised environments using VMware technologies
• Good understanding of networking principles including TCP/IP, switching, routing, wireless networking, and firewalls
• Experience with vulnerability management, endpoint security, and patch management
• Knowledge of identity and access management, including MFA and role-based access controls
• Experience supporting backup, disaster recovery, and business continuity processes
• Strong troubleshooting, analytical, and problem-solving skills
• Ability to communicate effectively with both technical and business stakeholders

Desirable Experience

• Exposure to Microsoft Defender, Sentinel, or other security tooling
• Experience working within PCI-DSS, NIST, ISO 27001, or similar compliance frameworks
• PowerShell scripting experience
• Experience with Cisco networking technologies and Meraki environments
• Experience supporting retail, hospitality, leisure, or other customer-facing multi-site environments
• Knowledge of Zero Trust security principles
• Experience with monitoring platforms such as SolarWinds, PRTG, or similar
• Microsoft, Azure, or Cisco certifications
• Exposure to automation tools such as Azure CLI or Terraform

What's on Offer

• Competitive salary and benefits package
• Exposure to modern cloud, infrastructure, and security technologies
• Opportunity to work on a variety of infrastructure transformation and security projects
• Exposure to a fast-paced, customer-focused environment where technology plays a critical role in day-to-day operations
• Ongoing learning and professional development opportunities
• Supportive and collaborative team environment
• Opportunity to influence technical direction and infrastructure strategy
• Clear opportunities for career progression

This is an excellent opportunity for an Infrastructure & Security Engineer looking to further develop their skills while working across a broad technology estate within a forward-thinking organisation that continues to invest heavily in infrastructure, cyber security, and the technology that supports a complex multi-site operation.