21 of 21 High Availability Jobs in the City of London

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 ...

Role Overview Quantum is building a high-performance trading platform operating in a security-critical environment. We are seeking a hands-on Senior Cloud Engineer to design, build, secure and operate our Microsoft Azure cloud platform. This is a 100% cloud engineering role focused on platform infrastructure, security … trading and regulated environment Reliability, DR & Resilience ◦ Design, implement and test disaster recovery and business continuity approaches ◦ Monitor platform health, performance and availability ◦ Identify and remediate single points of failure ◦ Maintain clear and tested recovery documentation Platform Ownership & Documentation ◦ Act as the technical owner of the cloud platform ◦ Proactively ...

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 ...

Cloud Platform Lead | London | Hybrid (3 days in the office) |Permanent Build the cloud platform that others depend on. We’re partnered with a high-performing, London-based Insurer operating at scale in a highly regulated environment. The organisation is investing heavily in its cloud capability … making You’ll act as the technical authority for cloud, owning standards, guardrails and outcomes, while steering a trusted cloud services partner to deliver high-quality BAU and project work. What you’ll be doing Owning the cloud platform architecture (Azure-first, AWS exposure) Designing and evolving shared platform ...

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. ...

Senior Cloud Infrastructure Engineer Key Responsibilities: Ensure the firms technology environment is continually evolving and is configured in a way that provides a stable, high performing and secure environment Design, implement, and continually manage Azure cloud infrastructure to ensure scalability, security, and high availability Administer and optimize ...

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 ...

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 ...

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 ...

feature engineering and model training utilising both structured and unstructured large-scale datasets. Production Deployment: Deploy and supervise ML models in production environments, ensuring high availability, optimal performance, and continued relevance. Experimentation: Design and analysis of A/B tests and offline experiments to evaluate model efficacy … . . Experience using ML Training frameworks (e.g., TFX, Kubeflow Pipelines SDK) and Model Serving technologies (eg. Tensorflow Serving, Triton, TorchServe). Experience with high-volume data processing and real-time streaming architectures. Strong understanding of recommendation system design and personalisation algorithms. Familiarity with Generative AI and its applications ...

feature engineering and model training utilising both structured and unstructured large-scale datasets. Production Deployment: Deploy and supervise ML models in production environments, ensuring high availability, optimal performance, and continued relevance. Experimentation: Design and analysis of A/B tests and offline experiments to evaluate model efficacy … . . Experience using ML Training frameworks (e.g., TFX, Kubeflow Pipelines SDK) and Model Serving technologies (eg. Tensorflow Serving, Triton, TorchServe). Experience with high-volume data processing and real-time streaming architectures. Strong understanding of recommendation system design and personalisation algorithms. Familiarity with Generative AI and its applications ...

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 ...

feature engineering and model training utilising both structured and unstructured large-scale datasets. Production Deployment: Deploy and supervise ML models in production environments, ensuring high availability, optimal performance, and continued relevance. Experimentation: Design and analysis of A/B tests and offline experiments to evaluate model efficacy … . . Experience using ML Training frameworks (e.g., TFX, Kubeflow Pipelines SDK) and Model Serving technologies (eg. Tensorflow Serving, Triton, TorchServe). Experience with high-volume data processing and real-time streaming architectures. Strong understanding of recommendation system design and personalisation algorithms. Familiarity with Generative AI and its applications ...

feature engineering and model training utilising both structured and unstructured large-scale datasets. Production Deployment: Deploy and supervise ML models in production environments, ensuring high availability, optimal performance, and continued relevance. Experimentation: Design and analysis of A/B tests and offline experiments to evaluate model efficacy … . . Experience using ML Training frameworks (e.g., TFX, Kubeflow Pipelines SDK) and Model Serving technologies (eg. Tensorflow Serving, Triton, TorchServe). Experience with high-volume data processing and real-time streaming architectures. Strong understanding of recommendation system design and personalisation algorithms. Familiarity with Generative AI and its applications ...

feature engineering and model training utilising both structured and unstructured large-scale datasets. Production Deployment: Deploy and supervise ML models in production environments, ensuring high availability, optimal performance, and continued relevance. Experimentation: Design and analysis of A/B tests and offline experiments to evaluate model efficacy … . . Experience using ML Training frameworks (e.g., TFX, Kubeflow Pipelines SDK) and Model Serving technologies (eg. Tensorflow Serving, Triton, TorchServe). Experience with high-volume data processing and real-time streaming architectures. Strong understanding of recommendation system design and personalisation algorithms. Familiarity with Generative AI and its applications ...

feature engineering and model training utilising both structured and unstructured large-scale datasets. Production Deployment: Deploy and supervise ML models in production environments, ensuring high availability, optimal performance, and continued relevance. Experimentation: Design and analysis of A/B tests and offline experiments to evaluate model efficacy … . . Experience using ML Training frameworks (e.g., TFX, Kubeflow Pipelines SDK) and Model Serving technologies (eg. Tensorflow Serving, Triton, TorchServe). Experience with high-volume data processing and real-time streaming architectures. Strong understanding of recommendation system design and personalisation algorithms. Familiarity with Generative AI and its applications ...

feature engineering and model training utilising both structured and unstructured large-scale datasets. Production Deployment: Deploy and supervise ML models in production environments, ensuring high availability, optimal performance, and continued relevance. Experimentation: Design and analysis of A/B tests and offline experiments to evaluate model efficacy … . . Experience using ML Training frameworks (e.g., TFX, Kubeflow Pipelines SDK) and Model Serving technologies (eg. Tensorflow Serving, Triton, TorchServe). Experience with high-volume data processing and real-time streaming architectures. Strong understanding of recommendation system design and personalisation algorithms. Familiarity with Generative AI and its applications ...

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. ...

patterns optimized for low-latency trading. Configure and tune Solace brokers, message VPNs, queues, topic endpoints, and client profiles for optimal performance. Manage Solace high-availability configurations including primary/backup broker pairs and replication. Implement Solace DMR (Dynamic Message Routing) for inter-datacenter message distribution. Define ...

stakeholders across IT, customer operations, and business teams to deliver requirements. Collaborate with vendors and third-party providers to implement and integrate solutions. Ensure high availability, resilience, and performance of telephony systems. Produce technical documentation, configuration guides, and implementation artefacts. Support testing, rollout, and post-migration stabilisation activities ...

This is an opportunity to join a large-scale enterprise environment, working on a complex and business-critical IBM z/OS estate supporting high-volume, mission-critical systems. We are interested in speaking with contractors with strong Mainframe infrastructure experience, particularly within z/OS environments, across areas … resolve complex production issues Work across core mainframe tooling including JCL, TSO/ISPF and SMP/E Support critical banking systems in a high-availability environment Contribute to both BAU support and project-based initiatives Key Skills & Experience: Strong experience within IBM Mainframe (z/OS) environments ...