14 of 14 Contract High Availability Jobs in London

play a key role in delivering database solutions, supporting application migrations, and ensuring SQL environments are secure, resilient, and built to a consistently high standard. Skills required from the SQL Database Administrator: Active SC Clearance (mandatory). Experience in a Critical National Infrastructure environment Strong commercial experience administering Microsoft … Server environments. Experience working with SQL Server 2016 through to SQL Server 2025. Excellent knowledge of Always On Availability Groups, Windows Clustering and High Availability/Disaster Recovery technologies. Experience administering SSRS, SSIS and SSAS. Strong understanding of SQL Server upgrades, migrations and performance optimisation. Experience supporting ...

supporting a global financial services client (hedge fund) on the hire of a mid-level AWS DevOps/Platform Engineer to work within a high-performing technology environment. This is a hands-on engineering role, focused on building and supporting cloud infrastructure, CI/CD pipelines, and platform reliability. … operate with a degree of autonomy in delivery teams Pragmatic, delivery-focused, and comfortable in fast-paced environments Additional Notes This is a high-ownership role with strong engineering expectations Preference for candidates with exposure to: Financial services or similar environments High-availability/performance-driven platforms ...

across the organisation's core technology platforms while supporting wider transformation initiatives. Your responsibilities will include: Managing Windows Server and Linux environments to ensure high availability and operational stability. Supporting and optimising VMware virtual infrastructure across production environments. Maintaining enterprise backup, recovery and disaster recovery capabilities using industry … leading technologies. Monitoring infrastructure performance and proactively resolving capacity, availability and resilience issues. Administering Microsoft 365 services and supporting hybrid infrastructure technologies. Managing Active Directory, Group Policy, identity administration and user access management. Supporting desktop operating systems, laptops, mobile devices and collaboration technologies across multiple office locations. Maintaining endpoint ...

across the organisation's core technology platforms while supporting wider transformation initiatives. Your responsibilities will include: Managing Windows Server and Linux environments to ensure high availability and operational stability. Supporting and optimising VMware virtual infrastructure across production environments. Maintaining enterprise backup, recovery and disaster recovery capabilities using industry … leading technologies. Monitoring infrastructure performance and proactively resolving capacity, availability and resilience issues. Administering Microsoft 365 services and supporting hybrid infrastructure technologies. Managing Active Directory, Group Policy, identity administration and user access management. Supporting desktop operating systems, laptops, mobile devices and collaboration technologies across multiple office locations. Maintaining endpoint ...

production support (to include OOH release support) * On-prem Kubernetes/OpenShift deployments * DevOps tooling updates - issue resolution, roadmap improvements * Linux system administration (high availability production environments) * Observability functions, designing and operating end-to-end logging, metrics, tracing, dashboards, and alerting systems using ELK, Splunk, Prometheus, Grafana. * Security ...

Responsibilities: Lead the design, build, and replacement of legacy Cisco Wireless infrastructure with modern Cisco Catalyst 9800 WLC architecture, ensuring scalable, resilient, and high-performance wireless services Define and deliver end-to-end wireless migration strategies, including planning, staging, cutover execution, and post-implementation optimisation Architect and implement high-availability 9800 WLC deployments (SSO, redundancy models), ensuring minimal service disruption and operational resilience Design and implement enterprise wireless solutions, including SSID segmentation, policy profiles, VLAN mapping, RF optimisation, and seamless roaming Own the design, upgrade, and lifecycle management of Cisco ISE environments, including version upgrades, patching strategies ...

Platform Engineer (Data Platforms) Location: London We're looking for a Platform Engineer to build and maintain scalable, secure and high-performance data platforms . You'll play a key role in ensuring reliable data services while working closely with data scientists, analysts and engineering teams. What … doing Building and maintaining scalable data platform infrastructure Ensuring high availability, performance and security of data services Developing and maintaining data pipelines Collaborating with data teams to integrate tools and services Troubleshooting complex platform and data infrastructure issues Supporting cross-team integration with wider systems and applications Driving ...

along with Terraform and strong awareness of Landing Zones. This is a hands-on technical role for an Advanced Azure Engineer who can demonstrate High Availability design - specifically around failover, load balancing strategies which are pointed directly into Azure templates. IAC & TDD Standards – able to build complex reusable ...

skills: App Volumes or application layering tools Dynamic Environment Manager (DEM) or equivalent NSX or network segmentation in VDI environments Experience in regulated or high-availability environments ...

patterns optimized for low-latency trading. Configure and tune Solace brokers, message VPNs, queues, topic endpoints, and client profiles for optimal performance. Manage Solace high-availability configurations including primary/backup broker pairs and replication. Implement Solace DMR for inter-datacenter message distribution. Define and enforce Solace governance ...

VMware and Nutanix environments, ensuring they remain secure, resilient and performing at their best. Alongside platform administration, you'll provide technical leadership, produce high-quality documentation and support the wider infrastructure team through knowledge sharing and best practice. Key Responsibilities Take ownership of the VMware and Nutanix infrastructure. Maintain … vCenter. Experience supporting Nutanix AHV environments. Knowledge of hyper-converged infrastructure technologies. Experience with firmware upgrades, lifecycle management and patching. Strong understanding of high availability, clustering and disaster recovery. Windows Server infrastructure experience. PowerShell scripting and automation experience would be advantageous. Excellent troubleshooting, documentation and communication skills. What ...

Ensure proper documentation for maintainability and knowledge transfer Deployment & Operations Manage CI/CD pipelines and deployment across environments Monitor system performance and ensure high availability like splunk Experience on Git, AWS S3, Secret Manager, Custom API Gateway Policies, Confluence, Kafka, MQ etc is good. Support & Incident Management ...

support following a migration from SharePoint 2016 to SharePoint Server Subscription Edition (on-premises) . The successful candidate will ensure platform stability, performance, and availability, while supporting ongoing enhancements aligned with business needs. Key Responsibilities Platform Support Provide L2/L3 support across SharePoint farms Troubleshoot incidents, resolve defects … manage service requests Ensure high availability and performance of the platform Enhancements & Configuration Deliver minor enhancements and configuration changes , including: Site updates and improvements Workflow modifications UI/UX tweaks Automation enhancements Administration Manage and maintain: SharePoint Servers and Farms Service Applications Content Databases Support integrations with: Active ...

Responsibilities Manage and support Red Hat OpenShift clusters hosted on x86 infrastructure. Provide day-to-day operational support for the OpenShift platform, ensuring high availability and performance and BAU maintenance. Implement and enhance automation across platform operations (provisioning, scaling, patching, incident response). Maintain and improve platform reliability ...