Windows Site Reliability Engineer

Windows Site Reliability Engineer | £110K | Hybrid | London Overview: A leading global investment bank is seeking a skilled Windows Site Reliability Engineer to join their London-based Technology team. This is a senior-level leadership role focused on driving platform reliability, automation strategy, and infrastructure modernisation across mission-critical banking systems. This is an excellent opportunity to join an investment banking powerhouse. Role and Responsibilities: Lead Platform Engineering and SRE strategy across the organisation Build scalable, self-service, and resilient infrastructure platforms Drive Infrastructure as Code and CI/CD adoption, automating manual tasks Define SLOs and optimise system performance, latency, and scalability Lead root cause analysis and remediate technical debt Partner with development teams to improve testing, releases, and deployments Shape cloud and hybrid migration strategies Ensure regulatory, audit, and security compliance Act as senior escalation point for high-severity incidents Identify cost and efficiency improvements; deputise for senior leadershipSkills and Experience: Deep expertise in Microsoft Windows Server internals Advanced knowledge of Active Directory, DNS, DHCP, LDAP, and Kerberos Extensive experience tuning low-latency, enterprise-scale systems Strong background in SRE, DevOps, CI/CD, and Infrastructure as Code principles Advanced scripting and development capability (PowerShell, Python, C#) Clustering, high-availability, replication, and disaster recovery expertise Experience with Git, Terraform, Ansible, Jenkins, and TeamCity Strong understanding of security hardening (CIS) within regulated environments Deep knowledge of performance monitoring, system internals, and optimisation techniques Experience working within financial services or other regulated industriesDesirable: Kubernetes and Docker orchestration Major cloud platforms (Azure, AWS, GCP) Nutanix HCI and VMware ESX Enterprise databases (SQL Server, Oracle, Sybase ASE, MongoDB, Snowflake) Enterprise monitoring tools (Splunk, Netcool)Package Circa £110,000 + Excellent Package London / Hybrid x3 days onsite Flexible working consideredWindows Site Reliability Engineer | £110K | Hybrid | London