Infrastructure Specialist

Tokio Marine Kiln (TMK) are looking for an Infrastructure Specialist to join our IT Infrastructure team. This role plays a key part in operating, maintaining and continually improving secure, resilient and automated infrastructure services across on-premises, cloud and hybrid environments. Reporting to the Infrastructure Operations Manager, you will work closely with colleagues across IT, Security, Applications, Service Management and third-party suppliers to support business-critical services, deliver infrastructure improvements and ensure the ongoing reliability, security and performance of TMK's technology estate.

• Design, implement and support infrastructure services across on-premises, Microsoft Azure, AWS and hybrid environments (Assist in the planning, design, development and deployment of new infrastructure services and enhancements across multiple environments.)
• Maintain and continually improve infrastructure platforms supporting monitoring, backup, disaster recovery, cyber recovery and security patching.
• Develop and manage Infrastructure as Code and configuration automation using tools such as Terraform, Ansible and Git.
• Build and enhance monitoring and observability capabilities using metrics, logs, traces and service dependency information to support proactive issue detection and resolution.
• Provide 3rd line support for infrastructure services and lead the diagnosis and resolution of major and complex incidents.
• Review infrastructure performance, resilience, capacity and cost, identifying opportunities for optimisation and continual improvement.
• Maintain secure infrastructure configurations, supporting vulnerability management, identity and access controls, encryption and compliance requirements.
• Support disaster recovery and cyber recovery testing activities, ensuring recovery procedures remain effective and documented.
• Perform preventative maintenance, lifecycle management and technical debt remediation across infrastructure platforms.
• Create and maintain high-quality technical documentation, operational procedures, runbooks and knowledge articles.
• Collaborate with internal technology teams and external suppliers to deliver infrastructure projects and service improvements.
• Participate in the on-call rota and provide support for planned changes and critical incidents outside normal business hours when required.

• Strong experience supporting enterprise infrastructure environments across on-premises and cloud platforms.
• Excellent knowledge of Microsoft technologies including Windows Server, Active Directory, Entra  Microsoft 365.
• Strong knowledge of Microsoft Azure and AWS, including compute, storage, networking, identity, monitoring, governance, backup and resilience.
• Knowledge of Infrastructure as Code, automation and source control technologies such as Terraform, Ansible and Git.
• Strong troubleshooting, analytical and problem-solving skills, with experience resolving complex technical issues.
• Understanding of infrastructure security principles, including Zero Trust, least privilege and vulnerability management.
• Experience of virtualisation, storage and networking technologies; VMware experience would be advantageous.
• Knowledge of observability and monitoring solutions such as Azure Monitor, Cloud Watch or Logic Monitor would be beneficial.
• Experience with enterprise backup and recovery technologies and disaster recovery processes.
• Excellent communication skills with the ability to engage effectively with both technical and non-technical stakeholders.

You'll join a collaborative and forward-thinking technology team where innovation, automation and continuous improvement are actively encouraged. You'll have the opportunity to work with…