6 of 6 High Availability Jobs in the City of London

that underpin large-scale, mission-critical enterprise applications hosted within AWS cloud environments. Initially, you will lead an intensive proof-of-value phase, evaluating high availability and disaster recovery (HA/DR) patterns for SQL Server on AWS. Following successful completion, the role will transition into a longer … complex enterprise environment. Key Responsibilities Design and own SQL Server architecture supporting business-critical enterprise platforms hosted on AWS. Develop and validate High Availability and Disaster Recovery (HA/DR) strategies. Design and implement SQL Server Always On Availability Groups, Failover Cluster Instances (FCI), and other resilience ...

Oracle Apps DBA to manage, maintain, and optimise mission-critical Oracle E-Business Suite (EBS R12) environments and underlying databases. In this hands-on, high-impact technical role, you will take ownership of cross-layer troubleshooting spanning application, database, operating systems, and infrastructure. You will play a key part … maintaining system performance, security, and high availability, while actively contributing to major cloud migration initiatives (OCI/Azure). Key responsibilities EBS & Database Lifecycle: Maintain, update, copy, and refresh core Oracle systems across test, development, and live 24/7 production environments. Core Apps Administration: Manage key system ...

Your new role The company previously delivered a large scale, on-premises deployment of SharePoint for Hydrogen in 2017. This implementation was designed for high availability, incorporating full disaster recovery and resilience across the application, SQL Server, and storage layers. The client is now looking to transition … Architect to define PoV success criteria (RPO/RTO, failover time, throughput, recovery steps). * Stand up PoV topology: o SQL Server Always On Availability Groups on Amazon EC2 across multiple AZs. o Storage using EBS (io1/io2/gp3) and, where required, FSx for Windows File Server ...

passionate about building and operating highly scalable database platforms? Have you administered and optimised mission-critical PostgreSQL environments in cloud-first organisations, ensuring performance, availability and resilience at scale? Can you demonstrate broad technical knowledge across Platform Engineering, DevOps and Infrastructure, alongside experience with automation and scripting using Python … Engineering, Platform Engineering, DevOps or Infrastructure roles with a strong focus on database administration. You'll possess deep expertise in PostgreSQL , including performance tuning, high availability, replication and operational support within Azure-based environments. You will have strong Linux systems administration skills, experience with database automation and infrastructure ...

trading platform. The organisation operates a complex global technology estate, with network infrastructure connecting data centres, offices, cloud environments and critical trading services. Network availability, resilience, security and low-latency performance are fundamental to its operations. This is a hands-on senior engineering position offering significant technical ownership across … critical network infrastructure. Strong technical knowledge of enterprise and data centre networking. Hands-on understanding of: BGP, OSPF , Routing and switching Network resilience and high availability Network troubleshooting and incident resolution Ability to manage network changes within highly available production environments. Desirable Experience Experience with AWS networking . ...

tools such as React Query and Tailwind Contribute to infrastructure, system architecture and cloud-native engineering decisions Work on distributed systems, real-time processing, high availability and system performance Collaborate effectively with AI, product and infrastructure teams to deliver reliable features Support API testing and maintain high ...