1 to 25 of 43 High Availability Jobs in the City of London

Prepurchase Platform group owns the backend services that power every fan's path to a ticket. We handle event discovery, real-time seat availability, and interactive venue experiences at massive scale, processing billions of API calls during peakon-sales. Our engineers build systems that must be fast, resilient … reaching a fan is a problem, not a data point; treat it accordingly and act with urgency regardless of volume. Build end-to-end, high-availability systems that handle extreme traffic spikes during high-demand on-sales without degradation. Lead platform modernization initiatives - migrating legacy services ...

https://risk.lexisnexis.com/insurance About our Team The Database Administration team provides enterprise-wide support for mission-critical database platforms, ensuring high availability, performance, security, and operational stability. The team manages MySQL, SQL Server, PostgreSQL, Oracle, and cloud database technologies across hybrid environments while driving automation … Additional Skills Database Technologies 7+ years of MySQL DBA or Database Engineering experience. Strong experience with MySQL replication design, implementation, and support. Experience with High Availability (HA) and Disaster Recovery (DR) architectures. Extensive experience with backup and recovery technologies including Percona XtraBackup and snapshot-based recovery solutions. Experience ...

headcount. What You'll Be Doing Own the Netcool estate - administer, maintain and upgrade Omnibus, ObjectServers, Gateways, Probes, WebGUI and Impact, ensuring high availability, resilience and robust lifecycle management Engineer smarter event management - design and maintain correlation, suppression, deduplication, enrichment and automation rules that cut alert noise … large-scale enterprise environments, including Omnibus, Impact and WebGUI Strong grasp of Netcool architecture - ObjectServers, Probes, Gateways (ServiceNow, JDBC), plus failover and high-availability configurations Proven track record delivering platform upgrades, patching, migrations and lifecycle activities on mission-critical 24x7 platforms Strong SQL and ObjectServer database administration, with ...

share our belief that it’s not just what we do that matters–it's how we do it. DRW is a place of high expectations, integrity, innovation and a willingness to challenge consensus. Cumberland Systematic is a multi-asset trading team focused on mid and high-frequency … join our team.You will work with other software engineers to design and develop the full stack needed to enable a global trading operation with high availability requirements.You will be expected to design and develop trading systems, market data connectivity, execution algorithms, research infrastructure, monitoring and observability tooling ...

leading trading firm in London is seeking a Software Engineer to design and develop high availability trading systems using C++ and Python. The ideal candidate will have over 5 years of C++ experience and a strong understanding of concurrency and software for trading. This role requires collaboration with ...

Infrastructure & Network Operations), Corporate IT and Platform Engineering teams to strengthen network and platform security, implement scalable controls and support modern security practices across high-availability environments. The role requires a technical understanding across networking, cloud, edge security, infrastructure hardening and operational security tooling. The successful candidate will … Main Requirements 5+ years experience in a dedicated or heavily security-focused engineering role Strong background in infrastructure, cloud or network security engineering within high-availability environments Strong understanding of Layer 3, Layer 4 and Layer 7 security principles across modern network and infrastructure environments Experience securing cloud ...

Systems designs. Responsibilities To act as an Infrastructure Architect on a variety of internal and external IT delivery projects, key responsibilities include: Produce high quality High Level Design documentation describing technical systems solutions, providing overall design direction and recommendations for resolution of complex technical issues Provide technical leadership … communication skills Leadership, presentation and stakeholder management skills Ability to work on complex projects with globally distributed teams and tight timelines Ability to design high availability solutions, including consideration to fault tolerant analysis and resiliency Ability to work with and manage vendors/suppliers such as IBM Experience ...

fostering growth and innovation in a dynamic environment. As a Lead Technical Program Manager in Corporate Technology, you will lead the delivery of complex, high-impact technology programs supporting electronic trading across multi-asset, low-latency market environments (e.g., equities, FX, rates, credit, listed derivatives). You will apply … innovation, disciplined delivery, and continuous improvement. Job responsibilities Develop and execute comprehensive program plans integrating technical requirements for electronic trading platforms (low latency, high throughput, high availability). Lead cross-functional teams to define program scope, objectives, milestones, and deliverables aligned with trading/business outcomes. Drive ...

fraud detection and prevention. You will help design the future vision for these services, including consolidation and incremental re-architecting, with a focus on high-volume, high-availability and low-latency services. You will improve existing services while reducing maintenance overhead through simpler architectures and the appropriate ...

Responsibilities Help define and deliver the future vision for attribute reputation services, driving simplification and consolidation where appropriate. Design and develop high-volume, high-availability, low-latency backend services. Enhance and optimise existing applications and services. Support incremental re-architecting initiatives to reduce technical complexity and improve … Continuous Integration/CI/CD Agile methodologies Due to the nature and urgency of this post, candidates holding or who have held high level security clearance in the past are most welcome to apply. Please note successful applicants will be required to be security cleared prior to appointment ...

products. Beyond hands-on cloud orchestration, you will focus heavily on developer enablement - empowering the entire team to ship valuable features to production with high velocity and reliability. Working within an agile environment alongside artists, pipeline teams, and systems teams, you will design scalable cloud solutions, embed robust enterprise … security practices, and enhance deployment pipelines as the platform grows. What you'll do Provision, manage, and scale secure, high-availability cloud infrastructure using Terraform and modern orchestration tools following enterprise security standards. Drive developer enablement by building, optimizing, and maintaining powerful CI/CD deployment pipelines ...

standards and modern SDLC practises are maintained. Is required to be a technical authority for Kubernetes. Understand security, risk and compliance frameworks, disaster recovery, high availability architectures, hardware, operating systems, and networking connectivity Collaborates with internal teams (including Product Owners). Provide solutions/guidance on Cloud budget ...

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 ...

engineer on the team, you will be intimately involved in architecture decisions that shape this product. You live and breathe cloud services that require high availability and fast, consistent performance. You operate in an AI-first engineering environment, where you leverage advanced AI systems to inform design decisions … designed to foster meaningful teamwork, mentorship, and shared success. Lead engineering architecture design reviews, incorporating AI-driven insights and system modeling Set a high technical bar through code and architecture reviews, including evaluation of AI-generated code and patterns Mentor engineers on scalable system design and AI-first development ...

HCLTech is seeking a skilled UI Developer to build time-critical, high-availability, and high-performance user interfaces. You will work across the full UI development lifecycle, from design through testing and deployment, using HTML, CSS, JavaScript, React and TypeScript. Strong experience with real-time communication (WebSockets ...

Developer (React, TypeScript and Low-Latency) Role Overview- We are seeking a highly skilled UI Developer with strong expertise in building time-critical, high-availability, and high-performance applications. The ideal candidate will have hands-on experience across the full UI development lifecycle, including design, development, testing ...

powered assurance insights within Cisco’s Networking, Security, Collaboration, and Observability portfolios. Our distributed Site Reliability Engineering team of approximately nine engineers owns the availability, latency, performance, efficiency, monitoring, emergency response, and capacity planning of the platform while partnering closely with application development teams. We believe in operations, infrastructure … scale, highly available distributed systems that allow the ThousandEyes platform to process a constantly growing volume of telemetry data.Use AI Tooling to w rite high-quality code and automated solutions that enable fast, reliable releases, reduce operational expense, and allow our infrastructure and platforms to scale thoughtfully across regions. ...

electronic trading environments Lead performance tuning, optimisation, and refactoring of low‐latency trading components Investigate and resolve production issues, ensuring system stability and high availability Collaborate with global teams, including Architecture, DevOps, and Product Mentor and guide engineers to improve technical capability and engineering standards Experience/Competences … Strong experience designing and building high‐performance, low‐latency Java services within electronic trading Strong experience with distributed messaging technologies (Solace/Kafka) and real‐time systems Strong experience designing and building event‐driven systems deployed to cloud environments (AWS, EC2, EKS, Kubernetes) Experience with memory architectures and network ...

support of Microsoft 365 services including Exchange Online, Teams, OneDrive, and SharePoint Online. Design, implement, and maintain messaging and collaboration solutions to ensure high availability and performance. Manage mail flow, email security, retention, archiving, and compliance policies. Endpoint & Mobility Management Manage and support Microsoft Intune and Mobile Device ...

Responsibilities: Provide end-to-end production support for Fixed Income trading platforms (Rates, Credit, FX, Bonds, Derivatives). Monitor and maintain system health, ensuring high availability and low latency of critical trading applications. Support and enhance monitoring capabilities using ITRS Geneos, initially within FICC and expanding to other ...

MLOps Engineer (Platform/DevOps) - AI Platform - 3 days per week onsite We're partnering with a leading organisation on a high-profile AI initiative, seeking an experienced MLOps/Platform Engineer to build and scale infrastructure supporting advanced AI solutions. The Role You'll play a key role … platform for deploying AI workloads and agents. Working closely with Data Science and Engineering teams, you'll ensure robust infrastructure, seamless deployment pipelines, and high platform reliability. Key Responsibilities - Design, deploy, and manage AI platforms and agent infrastructure - Build and maintain CI/CD pipelines and DevOps workflows - Implement ...

environments Design and manage backup and recovery using RMAN, Flashback, Data Pump and established migration methodologies Administer Oracle ASM and Data Guard to support high availability and disaster recovery Manage multi-tenant architecture, including PDB and CDB design and administration Provide L3 support across Oracle Database and Exadata ...

diverse database estate supporting critical trading and operational systems within a leading financial exchange technology environment. Youll be responsible for database performance, availability, security, upgrades, backups, recovery and migrations , while working closely with developers and infrastructure teams. Key Responsibilities Own and manage the database environment. Ensure high availability ...

across SAP S/4HANA, SAP ECC, SAP BTP, SAP PI/PO, SAP Fiori/UI5, and integrated enterprise systems. This role ensures high‐performance, scalable, secure, and future‐ready SAP solutions that align with business strategy and IT roadmaps. The architect collaborates closely with business leaders, solution … system landscape design, including DEV/QAS/PRD/DR environments. In‐depth knowledge of SAP Basis, system sizing, performance tuning, high‐availability (HA) and disaster recovery (DR) configurations. Strong experience with SAP HANA database architecture, optimization, backup/restore strategies, and security. Expertise in SAP integration ...

Stratford, London is seeking a Senior Scala Engineer to define and shape backend services and APIs for fraud detection. You will work on high-availability, low-latency systems and collaborate with cross-functional teams in a lean, agile environment. You will design, develop and maintain clean backend code ...