1 to 25 of 29 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 ...

perform root cause analysis, and ensure SLA-driven resolution Support Change Management (CAB) processes and ensure controlled and validated deployments Monitor system performance, ensure high availability, capacity management, and resilience of infrastructure Automate operational tasks using PowerShell/scripts to improve efficiency and reduce manual effort Support testing … hardening, patching, and vulnerability management Hands-on expertise in monitoring, troubleshooting, and performance optimization of infrastructure platforms Good understanding of backup, disaster recovery, and high availability solutions for enterprise environments Strong scripting and automation skills using PowerShell to improve operational efficiency Experience working with cloud-integrated or hybrid ...

engineer who thrives on building robust, scalable infrastructure from the ground up , and want to play a key role in scaling a high-growth AI platform used by global financial institutions, this is a standout opportunity. 🏢 About the Company We’re partnered with a venture-backed AI scale … pipelines across backend, frontend, and data services Implement observability frameworks (logging, metrics, tracing, alerting) Prepare infrastructure for SOC 2/ISO 27001 audits Drive high availability and reliability across systems Monitor and optimise cloud costs without sacrificing performance Act as a key advocate for operational excellence and engineering ...

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. ...

Cloud Platform Engineering Lead A high performing London Market Syndicate is looking for a Cloud Platform Engineering Lead to join them on a permanent basis. This is an excellent business to join as they are consistent ranked in the top quartile for performance across the market. The Role This … security controls, policies, and technical guardrails in line with standards such as NIST and ISO. Lead cloud cost management and FinOps practices, ensuring performance, availability, and spend are optimised and transparent. Act as the senior technical escalation point for cloud security incidents and major outages, ensuring high availability ...

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 ...

customer-facing documentation summarizing technical findings and process maturity recommendations. Required Qualifications Good of hands-on experience in the following areas: Deep experience with high availability (HA) and disaster recovery (DR) design in Microsoft Azure. Solid understanding of Azure architecture, including infrastructure, Availability Zones, backup/recovery ...

problem-solving mindset. Key Responsibilities Configure, manage, and maintain network infrastructure including routers, switches, firewalls, and VPNs Monitor network performance and ensure high availability and reliability Troubleshoot and resolve network connectivity and performance issues Implement network security measures and best practices Support LAN/WAN environments and wireless ...

Requirements We’re targeting experienced contractors who can hit the ground running: Core Skills Strong hands-on AWS experience (5+ years) Proven experience with: High availability & failover design Backup, replication & disaster recovery AWS networking & security architecture Deep understanding of: IAM (RBAC, least privilege, MFA) CloudWatch, CloudTrail, logging & monitoring ...

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 ...

culture is one of trust, openness, and excellence. They work in a collaborative style and take collective responsibility for successes and failures. They value high personal integrity, innovative thinking, efficient, reliable performance and spark. Within this role you will join a supportive team, where they aim to recruit … line support, answering phone calls and monitoring help desk systems, dealing with basic issues and escalating other calls to the appropriate person Maintain a high degree of customer service for all support queries Performing troubleshooting and collection of information for effective issue diagnosis and internal escalation Maintain security reference ...

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 ...

configuration, tuning, and tuning validation for selected tools. Collaborating with stakeholders to design scalable deployment patterns, including SaaS models, multi‐tenancy, credentials handling, and high‐availability architectures. Supporting purple‐team exercises and adversary emulation planning through appropriate tool selection and integration, and translating red‐team findings into engineering … 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 ...

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 ...

innovative. We are looking for someone that has - Proven track record in a DevOps or SRE role, preferably within a marketplace or high-availability platform. Experience managing environments and production accounts within AWS. Strong Unix/Linux, DevOps, containers, networking, system security. Experience of looking after ...

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 ...