Delivering projects to improve identity, infrastructure, and core systems architecture, following modern security and operational best practices
Leading infrastructure modernisation initiatives, including service migrations, platform improvements, and resilience enhancements
Designing, implementing, and validating disaster recovery and failover solutions across core systems
Owning and maintaining core infrastructure platforms across hybrid and datacentre environments
Supporting the business transition towards modern infrastructure and cloud-aligned services
Producing and maintaining high-quality technical documentation, standards, and operational procedures
Acting as an escalation point for complex 3rd line infrastructure issues where required
Contributing to platform stability, security, scalability, and operational resilience across the wider estate

5+ years’ experience within core infrastructure, systems engineering
Experience with identity platform redesign, migration, consolidation, or security hardening initiatives
Designing and testing disaster recovery and failover processes within production environments
Delivering or contributing to security-focused infrastructure initiatives
Supporting and improving enterprise infrastructure platforms across hybrid environments
Working with a broad range of infrastructure technologies, including identity, virtualisation, storage, networking, and backup systems
Enterprise networking fundamentals, including routing, segmentation, DNS, and firewall concepts

Competitive salary and benefits package
Hybrid
primarily remote working but on-site attendance once per week (or as often as work requires) to the London office and Datacentre
Holiday allowance
50% staff discount & 25% for family and friends
Pension scheme

IT Core Systems Engineer

Key skills