1 to 25 of 34 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 ...

Role summary The Sybase Database Administrator (DBA) is responsible for designing, implementing, and maintaining SAP Sybase ASE databases and related replication infrastructure, ensuring high availability, performance, security, and recoverability of business‐critical systems. Key responsibilities Install, configure, and maintain Sybase ASE databases (12.x–16.x) across development, test … Implement and manage backup, restore, and disaster recovery procedures, including warm/hot standby and replication setups. Configure and support Sybase Replication Server for high availability, failover, and data distribution. Maintain database security including user, role, and privilege management and compliance with internal controls. Troubleshoot and resolve production ...

Role summary The Sybase Database Administrator (DBA) is responsible for designing, implementing, and maintaining SAP Sybase ASE databases and related replication infrastructure, ensuring high availability, performance, security, and recoverability of business‐critical systems. Key responsibilities Install, configure, and maintain Sybase ASE databases (12.x–16.x) across development, test … Implement and manage backup, restore, and disaster recovery procedures, including warm/hot standby and replication setups. Configure and support Sybase Replication Server for high availability, failover, and data distribution. Maintain database security including user, role, and privilege management and compliance with internal controls. Troubleshoot and resolve production ...

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. ...

environments with a focus on scalability, resilience, and cost efficiency Build and maintain CI/CD pipelines using Azure DevOps or GitHub Actions Ensure high availability and disaster recovery through well-architected solutions Implement security best practices using Azure-native tools (e.g. Azure Security Center, Key Vault, RBAC ...

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 ...

security are critical components of software delivery. This role would suit engineers who enjoy ownership, autonomy and solving complex real-world problems within a high-growth technology business. Responsibilities: Build and ship full stack product features across frontend and backend systems Collaborate closely with Product Managers and Designers … deliver high-quality user experiences Develop scalable APIs and backend services Contribute to modern frontend applications using React and TypeScript Work within cloud-native and distributed systems environments Support engineering quality, reliability and operational best practices Participate in architecture and technical design discussions Contribute to continuous delivery and deployment ...

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. ...

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 ...

managed services, automated and auditable deployment pipelines, secrets management Nice to Have o Financial services, trading, or capital markets - operational security in a regulated, high-availability, zero-downtime-tolerance environment o Zero-trust architecture: BeyondCorp, Zscaler, or equivalent; conditional access policy design and implementation o DDoS mitigation ...

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 ...

performance in a fast-paced trading environment. What You’ll Do Lead and coordinate a global 24x5 support team, including on-call rotations Ensure high availability and performance of critical trading infrastructure and platforms Define and improve support processes, SLAs, and operational best practices Drive automation, tooling … with engineering teams Own major incident management and recovery, minimising business impact Identify inefficiencies and continuously optimise workflows and operations Mentor and develop a high-performing technical support team Qualifications Strong hands-on Linux/Unix administration experience (RHEL/CentOS/OEL preferred) Proven experience leading technical ...

Cloud Engineer | Cloud Resilience, DR & Security | £400-£475/day Outside IR35 I’m currently partnered with a confidential client on a genuinely high-impact AWS transformation project and looking for a Senior AWS Cloud Engineer to lead the design and implementation of a secure, highly available, enterprise-grade … come in, take ownership, challenge existing approaches, and build resilient infrastructure properly. You’ll be working across: AWS backup & replication strategy Multi-AZ high availability architecture Disaster recovery planning & failover design AWS Network Firewall & WAF implementation IAM hardening, RBAC & Secrets Management Monitoring, observability & audit logging Infrastructure-as-Code ...

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 ...

environment builds, and release deployment activities across development, test, and production environments. • Deploy and maintain Oracle EBS environments on cloud platforms, supporting infrastructure scaling, high availability, and disaster recovery solutions. • Perform database administration activities including backup/recovery, RMAN, Data Guard configuration, performance tuning, monitoring, and capacity planning. ...

Java Software Engineer We’re partnering with a leading global bank in London to hire experienced Java Developers to join a high-performing team building and enhancing mission-critical electronic trading platforms. This is an exciting opportunity to work directly on front-office trading systems, developing low-latency, high-availability solutions used by traders and institutional clients across global markets. What you’ll be working on: Designing and developing high-performance Java-based trading applications Building and supporting FIX connectivity for order management and market access Enhancing low-latency, real-time trading platform capabilities Collaborating closely ...

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 ...