Security Infrastructure Engineer

Reports To

Infrastructure Manager

Responsible For

Responsible for the implementation, operation, maintenance and continuous improvement of the organisation’s core IT infrastructure and project delivery, with a particular focus on security, resilience and compliance.

Provide 3rd line support to the Service Desk.

Working closely with infrastructure, networking and applications colleagues, the Security Infrastructure Engineer will help ensure that security is embedded into the design and operation of infrastructure rather than treated as a separate activity.

Key Tasks

• Maintain infrastructure services to agreed availability, performance and security standards.
• Implement secure configurations and system-hardening standards.
• Review and remediate infrastructure vulnerabilities.
• Support access-control processes, including access reviews, privileged-access checks and enforcement of least-privilege principles.
• Support endpoint and server security controls.
• Ensure appropriate logging and security monitoring is enabled and reviewed.
• Support encryption and certificate-management requirements.
• Review infrastructure against security standards and vendor recommendations.
• Identify unsupported and end-of-life systems and associated risks.
• Support security improvements across existing infrastructure.
• Oversee and contribute to system upgrades, patching, configuration changes and lifecycle-management activities.
• Monitor infrastructure security, compliance, capacity, performance, availability and overall health.
• Diagnose and resolve security incidents and infrastructure problems.
• Support backup, recovery, business continuity and disaster-recovery arrangements.
• Participate in infrastructure projects, migrations and technology refresh programmes.
• Manage infrastructure security through appropriate change, configuration and release-management processes.
• Participate in Cyber Security Incident Response Team (CSIRT) activities, including incident investigation, containment, recovery and the continuous improvement of incident readiness.