Senior Infrastructure Engineer - Cloud & Security

I’m recruiting for an experienced 3rd Line Infrastructure Engineer to join a growing organisation with a busy, modern IT environment. This is a hands-on role for someone who enjoys solving complex technical problems and working across cloud, networking, infrastructure and security. You’ll play a key role in maintaining a stable, secure and highly available IT environment while supporting wider technology projects.

Key Responsibilities:

• Act as a senior technical escalation point for complex IT incidents and service issues.
• Take ownership of infrastructure problems from investigation through to resolution.
• Support the availability, performance and security of servers, networks, cloud platforms and virtual environments.
• Oversee vulnerability remediation and ensure systems are regularly updated and securely maintained.
• Develop and maintain reliable backup, recovery and business continuity processes, including regular testing.
• Configure and support firewalls, VPNs, network services and infrastructure monitoring.
• Manage and strengthen email security controls, helping protect the organisation against phishing, spoofing and data loss.
• Contribute to major technology changes, including infrastructure upgrades, migrations and new system rollouts.
• Work with internal IT teams and external technology partners to resolve complex issues and deliver technical improvements.
• Analyse recurring problems and identify opportunities to improve the reliability and efficiency of the IT environment.
• Create and maintain technical knowledge articles, system documentation and operational procedures.
• Share technical knowledge with less experienced members of the team and provide support where required.

Skills & Experience:

• Solid background in 3rd Line Support, Infrastructure, Network or Cloud Engineering.
• Strong practical experience across Microsoft Azure, particularly Azure networking and security services.
• Good understanding of enterprise networking, including routing, switching, VLANs, DNS, VPNs and network security.
• Experience working with enterprise firewall technologies such as Palo Alto, Fortinet or Cisco.
• Strong knowledge of Entra ID and Microsoft cloud identity, including Conditional Access and privileged access controls.
• Experience implementing and supporting backup and disaster recovery solutions, ideally with Veeam or Azure Site Recovery.
• Previous involvement in vulnerability, patch and security management within an enterprise environment.
• Experience securing corporate email using platforms such as Mimecast, Proofpoint or Microsoft Defender.
• Familiarity with infrastructure and network monitoring solutions such as PRTG, SolarWinds or similar.
• Experience supporting Hyper-V and/or wider cloud infrastructure.
• Comfortable using PowerShell or similar scripting tools to automate tasks and improve efficiency.
• Knowledge of security monitoring/SIEM technologies such as Microsoft Sentinel or Splunk would be beneficial.
• Relevant technical certification such as CCNA or AZ-104 is essential.
• AZ-500, AZ-700 or ITIL certification would be advantageous.
• Strong analytical and problem-solving skills, with the ability to work independently on complex technical issues.

An excellent opportunity to join a leading organisation during a period of growth and change. Please send CV for full job description and an informal chat.

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