Infrastructure Specialist

Tokio Marine Kiln group; Greater London; On-site; GBP 40,000 - 60,000; Full time

Job summary

Tokio Marine Kiln group is seeking an Infrastructure Specialist to join our IT team in Greater London. This permanent position involves supporting, maintaining, and enhancing core infrastructure to ensure optimal performance.

The successful candidate will play a vital role in delivering infrastructure improvements while resolving complex issues. You will collaborate with teams and external partners, and contribute to a culture of continuous improvement in a supportive environment.

Qualifications

• Strong experience with Microsoft technologies.
• Experience with VMware and virtualised environments.
• Working knowledge of Linux-based server operating systems.
• Knowledge of cloud platforms such as AWS and/or Azure.
• Experience supporting complex infrastructure environments.
• Exposure to DevOps tools and scripting languages.
• Experience with backup and recovery tools.
• Strong troubleshooting and problem-solving skills.
• Excellent communication and stakeholder management skills.
• Strong organisational skills and attention to detail.

Responsibilities

• Provide 3rd line support for infrastructure incidents.
• Design, implement, and support new infrastructure services.
• Manage and maintain servers, backups, and security patching.
• Support disaster recovery planning and execution.
• Act as technical lead on infrastructure changes.
• Identify and implement service improvements.
• Ensure high availability of systems.
• Collaborate with internal and external partners.
• Participate in an on-call rota for support.
• Contribute to documentation and best practices.

Skills

Microsoft technologies (Windows Server, Active Directory, Microsoft 365)

VMware and virtualised environments

Linux-based server operating systems

Cloud platforms (AWS and/or Azure)

Backup and recovery tools (e.g. CommVault)

DevOps tools (e.g. Terraform, Ansible)

Scripting languages (PowerShell, Python)

Strong troubleshooting and problem-solving

Excellent communication and stakeholder management

Strong organisational skills

Job description

Tokio Marine Kiln (TMK) are recruiting for a permanent Infrastructure Specialist to join our IT team reporting to the Infrastructure Operations Manager.

This is a key role where you’ll support, maintain and enhance our core infrastructure, ensuring systems are reliable, secure and operating at optimal performance.

Working across both project and BAU activity, you will play a critical part in delivering infrastructure improvements, resolving complex technical issues, and supporting business‑critical systems. You’ll also act as a technical lead on key initiatives and contribute to the continual improvement of our IT environment.

Key Responsibilities

• Provide 3rd line support, resolving infrastructure incidents within agreed SLAs
• Design, implement and support new infrastructure services and enhancements
• Manage and maintain servers, backups, monitoring tools and security patching
• Support and participate in disaster recovery planning and execution
• Act as technical lead on infrastructure changes and projects
• Proactively identify and implement service improvements
• Ensure high availability of systems with minimal disruption
• Collaborate with internal teams and external partners on IT initiatives
• Participate in an on‑call rota and provide out‑of‑hours support where required
• Share knowledge and contribute to documentation and best practice across teams

About You

• Strong experience with Microsoft technologies (Windows Server, Active Directory, Microsoft 365)
• Experience with VMware and virtualised environments
• Working knowledge of Linux‑based server operating systems
• Knowledge of cloud platforms such as AWS and/or Azure
• Experience supporting complex infrastructure environments (compute, storage, networking)
• Exposure to DevOps tools (e.g. Terraform, Ansible) and scripting languages (PowerShell, Python)
• Experience with backup and recovery tools (e.g. CommVault)
• Strong troubleshooting and problem‑solving skills
• Excellent communication and stakeholder management skills
• Strong organisational skills and attention to detail

What We’re Looking For

• Someone who takes ownership and works collaboratively across teams
• A proactive problem‑solver who can identify and address issues early

Why Join Us?

This is an exciting opportunity to join a collaborative IT team in a business that values innovation and continuous improvement. You’ll play a key role in maintaining and enhancing critical systems, while developing your technical skills and career within a supportive environment.

We are committed to ensuring a safe, open, inclusive and empowering environment in which all of our people can thrive. All employees have the opportunity to join inclusion network groups or take part in CSR and charitable activities. TMK is signed up to the Disability Confident Employer Scheme and we also accommodate flexible working, subject to the TMK flexible working policy.