24 of 24 High Availability Jobs in the City of London

production idioms, while meeting the diverse and often complex business requirements of a global 24x7 trading operation, while balancing stringent non‐functional demands for availability, latency, and resilience. Critically, you will lean heavily into AI‐driven development. Using Goldman Sachs' AI tooling and agentic coding assistants, you will govern … magnitude higher volumes at lower operational costs, directly contributing to the firm's competitive and commercial edge. Build for the future : Design and implement high‐availability, multi‐region, event‐driven services on a modern cloud‐native platform, setting the architectural standard for years to come. What You Will ...

contractor to join a highly technical infrastructure team supporting complex production environments. Key responsibilities: PostgreSQL database administration and production support Performance tuning and optimisation High availability, replication, backup & disaster recovery Monitoring and troubleshooting database issues Supporting migrations/upgrades and platform improvements Working closely with infrastructure and engineering … automation tooling exposure beneficial Looking for: Strong hands-on PostgreSQL DBA experience, Ideally over 7 years of experience Experience supporting large-scale or high-availability environments Good understanding of query performance and PostgreSQL internals Comfortable working in fast-paced engineering-driven environments Great Communication skills ...

deployment practices, monitoring, and long-term maintainability. Operational Accountability: Act as the technical owner of production systems that directly impact live rail operations, ensuring high availability and rapid incident resolution. Requirements Must Haves 4+ years of professional experience with Ruby on Rails. Strong understanding of object-oriented programming … your family Culture & Operating Principles We value : Ownership over hierarchy Clarity over bureaucracy Impact over job titles We operate with high autonomy and high accountability. People are expected to raise risks early, communicate clearly, and take responsibility for outcomes. Interview Roadmap Screening Call (30 mins) – Recruiter alignment Technical ...

Have Experience with Python scripting for automation and reliability tooling. Knowledge of Java and/or React application deployments in production. Prior experience in high-volume, high-availability environments. ...

Have Experience with Python scripting for automation and reliability tooling. Knowledge of Java and/or React application deployments in production. Prior experience in high-volume, high-availability environments. ...

Data Science, and National Security . My client is looking for a DV-cleared DevOps specialist to join a division dedicated to solving high-stakes challenges that drive genuine societal change. This is a rare opportunity for a cleared professional to step out of "legacy" environments and work with … Engineer ( 50k - 65k): You'll be the engine room of the deployment cycle-building robust CI/CD pipelines, automating AWS environments, and ensuring high-availability for complex AI solutions. Senior Engineer ( 65k - 85k): You will take a "player-coach" approach-architecting bespoke infrastructure, mentoring rising talent ...

prospective customers (new logos). Engage with stakeholders from C-level executives to technical engineering teams , translating complex technical and business requirements into high‐level and detailed technical architectures. Provide expert consultancy on network strategy, transformation roadmaps, best practices, and emerging technologies. Build strong, long-term relationships that support … security technologies. Ensure all designs are scalable, resilient, secure, and aligned to customer requirements, technical strategy, and industry best practices Lead creation of high-quality architectural documentation, including HLA, HLD, LLD, standards, and design patterns. Ensure designs align with industry best practices, compliance requirements, and customer governance processes. ...

pipelines and cloud infrastructure on Google Cloud Platform (GCP). Collaborate with development and operations teams to automate deployments, monitor system performance, and ensure high availability and scalability of applications. Build secure, reliable, and cost-optimized cloud environments. Troubleshoot issues across environments and maintain compliance with security best … seeker, beware of fraudulent recruitment activity and protect your interests! You can write to UKI.recruitment@tcs.com to report any fraudulent activity. Due to the high volume of applications, we will be unable to contact each applicant individually on the status of their application. If you have not received ...

across the institution. The successful candidate will contribute to the migration from Cisco to Extreme Networks infrastructure, with a strong focus on delivering robust, high-performing wired and wireless services that meet the needs of students, faculty, and staff. Key Responsibilities Support the design and implementation of network infrastructure … optimisation activities. Execute migration activities, including staging, deployment, testing, and validation. Troubleshoot and resolve complex network issues across LAN, WAN, and WLAN. Ensure high availability and performance of wireless networks, particularly in high-density environments (e.g., lecture halls, student accommodation). Assist with the production and maintenance ...

platforms across the business. This role blends deep technical UC engineering capability with hands-on AV and meeting support, ensuring reliable, secure, and high-quality collaboration experiences for end users, executives, and trading environments. The successful candidate will support and evolve platforms including Cisco CUCM, WebEx (Dedicated Instance), Microsoft … customer-focused mindset, operating within a global, distributed team. Key Responsibilities Unified Communications Engineering Design, configure, support, and enhance the global UC environment, ensuring high availability, performance, and security. Administer and troubleshoot Cisco Unified Communications Manager (CUCM), including dial plans, call routing, SIP integrations, upgrades, and incident resolution. ...

updates, and application patches under controlled processes. · Work closely with development teams to support bug fixes, enhancements, and releases. · Monitor application health, performance, and availability using monitoring and alerting tools. · Execute database queries and data corrections to support application functionality. · Support deployments, version upgrades, and environment changes for .NET … supporting C# applications. · Familiarity with scripting or automation for support activities. · Understanding of application security, authentication, and authorization concepts. · Experience supporting customer-facing or high-availability applications. Rewards & Benefits TCS is consistently voted a Top Employer in the TCS is consistently voted a Top Employer ...

site) Level: Professional (Band P3) Are you a CCNP-level engineer with a passion for hybrid cloud environments? We are looking for a high-caliber Network Engineer to join our IT Infrastructure and Operations team for a critical 6-month project. This role sits at the heart … Institutions or UK Government sectors. Familiarity with Zero Trust architecture and modern segmentation. Why Apply? This is a chance to provide strategic oversight on high-availability systems within a regulated banking environment. You'll work with a talented IT Operations team and managed service providers to deliver reliable ...

City) Hybrid: 3 Days in Office Type: Permanent/Full-time Are you ready for your actions to count? We are currently seeking a high-caliber Senior Network and Security Engineer to join our EMEA team in London. In this critical role, you will take ownership of our data … strong grasp of network security principles. Load Balancing & Analytics : Experience with F5 BigIP and Cisco Tetration. Operations: Mastery of IP addressing, subnetting, VLANs, High Availability, and Multicast. Shift & Flexibility The role operates on a shift pattern (approximately 2 in 6 shifts) to cover support and project delivery. Early ...

supporting internal teams with configuration, access, and platform management. What you'll be doing: Managing and maintaining GitLab, Jira, and Confluence platforms to ensure high availability and optimal performance Supporting internal teams with platform configuration, access management, and troubleshooting Ensuring the security and integrity of the tooling infrastructure ...

will work on the core infrastructure that connects internal trading systems directly to global exchanges and liquidity venues. You will design, build, and enhance high-performance market access gateways and market data systems where precision, speed, and reliability are critical. You will take ownership of end-to-end exchange … connectivity, including onboarding new brokers and venues, implementing protocol changes, and ensuring production stability of mission-critical trading flows. The work spans high-performance systems engineering, real-time optimisation, and hands-on production support in a fast-moving environment. This is a highly collaborative role working closely with traders ...

controlled/secure environments with strict governance. Understanding of backup & recovery (RMAN) Nice to have skills Solid understanding of backup & recovery (RMAN) and high availability in AWS platforms is preferred. Exposure & knowledge in Oracle SOA Suite, Oracle WebLogic Server (WLS) administration and upgrades is desirable. Exposure to Oracle ...

banking client as they move away from restrictive legacy "black-box" engines toward a flexible, cloud-native architecture. Your focus will be on delivering high-availability systems capable of handling millions of requests while ensuring strict compliance with ISO 20022 standards. Essential Skills 5 + years of hands ...

scalable, resilient, and aligned with both business and technical objectives. The Solutions Architect (B2C Domain) will be responsible for designing and implementing scalable, high-performance systems across various projects. Key Responsibilities: * B2C System design: Lead the architecture for B2C systems, including property listing systems, portals, and analytics dashboards. * Data … Time updates and scalability. * Cloud native solutions: Architect cloud-based systems using platforms like Azure, leveraging services, containers, and serverless computing as needed for high availability and performance. * Security & compliance: Ensure data privacy, compliance with regulations, and robust security measures for customer data and transactions. * Customer centric innovation ...

hedge fund client who operate technologically at the top of the market are currently seeking an experienced Python Software Engineer/Developer. In this high performance computing team, you will be responsible for building automated software solutions which are used across the trading business. It is expected the successful … Science Degree or similar discipline Good commercial experience in Python Software Engineering Working in a scaled, performance based software environment building efficient, reliable/high-availability and fast applications An interest in learning Rust programming alongside Python Linux knowledge advantageous Strong interest in working ...

mobile experience, all within a business serving close to 1 million active users across 250+ physical locations nationwide The scale is genuinely interesting: High-volume customer journeys Mobile-first member experiences Real-time integrations with third-party platforms and connected devices Operational telemetry and monitoring systems Future-facing work … functions Deep Microsoft Azure architecture experience (AKS, App Services, Event Hubs, API Management etc.) Strong distributed systems and cloud-native architecture knowledge Experience designing high-availability, event-driven systems Ability to operate across business, engineering and product stakeholders Previous people leadership experience Awareness of modern architecture patterns ...

Developer to work out of their plush offices in the heart of London's West End. You will be working on the development of high-availability and highly-transactional .NET/C# applications which will be critical to the launch of their new online music shopping channel. ...

guidance of senior architects. Data Centre Architecture & Design Design and maintain scalable, secure, and highly available data centre infrastructure architectures. Create low level and high level designs (LLD/HLD) for on prem and hybrid DC environments. Support architecture decisions for server, storage, network, backup, and virtualisation platforms. Ensure … centre networking (core, aggregation, access layers) Work closely with operations teams to ensure design to run alignment. Reliability, Capacity & Resilience Design DC architectures for high availability, redundancy, DR, and fault tolerance. Support capacity planning, performance optimisation, and lifecycle management. Participate in failure analysis, RCA reviews, and corrective architecture ...

Banking & Markets division. This role involves designing and implementing a cloud-native platform for Equities Trading, driving strategic transformation through AI tools, and developing high-availability services. The ideal candidate has over 8 years of software development experience, particularly in Java, and a proven track record in developing ...

function, ensuring operational excellence across production systems. Essential Skills & Experience: Proven experience as an SRE Lead or Senior SRE in large-scale, high-availability production environments. Strong experience with observability and monitoring tools such as Datadog, Grafana, Prometheus, PagerDuty, or similar. Experience managing incident response, on-call processes ...