IT Infrastructure & Security Analyst

We are seeking an experienced Infrastructure & Security Analyst to join our IT team. This is a hands-on role requiring strong technical expertise across Microsoft cloud and on-premises infrastructure, with a particular focus on Azure, Entra ID, Intune, and enterprise security platforms.

The successful candidate will provide second- and third-line support, manage core infrastructure services, and play an active role in monitoring, analysing, and responding to security incidents.

This is a hybrid position with some on-site presence required at our flagship HQ in Worthing on a monthly basis.

What You'll Be Doing:

• Provide 2nd/3rd line technical support for infrastructure and security services
• Act as a first point of escalation for the IT Service Desk team
• Manage and support Active Directory and Entra ID (identity and access management, group policies, conditional access, authentication methods).
• Configure, deploy, and support devices and applications via Microsoft Intune, including application packaging, compliance policies, and device management.
• Investigate, triage, and respond to security incidents using Microsoft Defender XDR and Microsoft Sentinel.
• Conduct proactive monitoring and maintenance of infrastructure and security systems, ensuring stability, compliance, and performance.
• Work with vulnerability management tools to identify, assess, and remediate risks.
• Collaborate with project teams to deliver new solutions and enhance existing services.
• Maintain clear documentation of systems, processes, incidents, and changes.
• Contribute to the continuous improvement of IT and security operations, recommending enhancements where appropriate.

What Experience & Skills You Need:

Essential:

• Proven experience in an Infrastructure or Security Support or Analyst role (not entry level).
• Strong knowledge of Microsoft Azure (compute, storage, networking, RBAC).
• Experience in networking (firewalls, VPNs, switching, & VLANs)
• Hands-on experience with Active Directory & Entra ID (hybrid identity, conditional access, MFA).
• Practical knowledge of Intune (device enrolment, configuration profiles, application packaging/deployment).
• Experience with Microsoft Defender (Endpoint, Office 365, Identity) and Microsoft Sentinel (incident analysis, KQL queries).
• Good understanding of ITIL processes (incident, problem, change management).
• Experience providing second and third line support within a complex IT environment.
• Strong troubleshooting and analytical skills.
• Excellent communication skills, with the ability to explain technical issues to both technical and non-technical stakeholders.

Desirable:

• Experience with PowerShell scripting and automation.
• Experience with or exposure to Fortinet firewalls and switching
• Knowledge of endpoint hardening, patch management, and vulnerability scanning.
• Familiarity with compliance frameworks such as ISO 27001, NIST, or Cyber Essentials.

What We Can Offer You:

• Private Healthcare (access to remote GP & Counselling) for peace of mind
• On-site Parking for convenience and cost efficiency
• Annual Wellbeing Reimbursement to care for your mind and body
• Pension Plan to secure your future
• Cycle-to-work Scheme to stay active and eco-friendly
• Enhanced Parental Pay to support new families
• Referral Bonus to benefit from recommending talent