1 to 25 of 27 High Availability Jobs in the City of London

with particular emphasis on Cisco Secure Firewall and advanced BGP. Key Responsibilities Design and deployment of a new Cisco Secure Firewall Management Center (FMC) High Availability pair Deployment and configuration of HA pair Cisco Secure Firewalls Migration of existing legacy firewall configurations to the new environment Review … Strong hands-on experience with Cisco Secure Firewall/FTD Strong experience with Cisco Firewall Management Center (FMC) Experience deploying FMC and firewalls in High Availability configurations Proven experience with firewall migrations and configuration optimisation Advanced BGP knowledge, including configuration and troubleshooting Strong understanding of routing protocols ...

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 ...

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 … 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 ...

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 ...

environments. - Maintain secure, resilient and scalable network services aligned to business requirements, client expectations and regulatory obligations. - Support disaster recovery testing, failover validation and availability improvement for critical network services. - Monitor network performance, identify risks, resolve complex incidents and drive continual service improvement. - Shape and maintain the technical roadmap … senior or lead network engineer within a complex enterprise environment. - Deep knowledge of enterprise networking, including Layer 2/3, switching, routing, VLANs, segmentation, high availability, wireless and troubleshooting. - Strong experience with Cisco enterprise technologies, including Catalyst, Nexus, Cisco ISE, RADIUS, TACACS+, 802.1X and access control policies. - Strong ...

environments. - Maintain secure, resilient and scalable network services aligned to business requirements, client expectations and regulatory obligations. - Support disaster recovery testing, failover validation and availability improvement for critical network services. - Monitor network performance, identify risks, resolve complex incidents and drive continual service improvement. - Shape and maintain the technical roadmap … senior or lead network engineer within a complex enterprise environment. - Deep knowledge of enterprise networking, including Layer 2/3, switching, routing, VLANs, segmentation, high availability, wireless and troubleshooting. - Strong experience with network security and secure access technologies including Palo Alto, Prisma Access, SD-WAN and SASE concepts. ...

leads on the ground-up rebuild of our Electronic Trading data infrastructure into a cloud-native, AI-first platform. Design, build, and maintain a high-performance, high-availability, high-capacity platform that processes and persists massive volumes of business-critical data in near real time, distributing … raise the bar on engineering practices across the team. Required Qualifications & Skill-Sets Around 5–10 years of professional experience with experience building high-performance, low-latency systems (sub-second) – at Vice President level. Proven ability to drive complex, industrial-scale development independently, while also leading and developing engineers ...

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 ...

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 ...

Technical Lead Salary: £90-120K work model: Hybrid Were looking for a Python Technical Lead to drive the architecture, development, and delivery of high-performance financial systems. Youll lead a team of engineers building scalable platforms that power real-time transactions, risk analytics, and next-generation digital financial … build robust, secure, and scalable microservices using Python (FastAPI, Django, Flask). System Architecture Lead the design of distributed systems, event-driven architectures, and high-availability platforms. Team Mentorship Coach engineers, conduct code reviews, and foster a culture of continuous improvement. FinTech Platform Development Build systems for payments ...

OpenShift, showing understanding of container orchestration platforms. Experience designing hot-hot, active-active, multi-region, or cross-datacenter deployment architectures, denoting knowledge of high-availability systems. Experience with resilience testing, disaster recovery, controlled failover, and production-recovery exercises, highlighting skills in system reliability and continuity planning. Experience with ...

subscription architecture Azure Migrate and associated discovery tooling Microsoft Defender for Cloud and Microsoft Sentinel Azure Monitor, Log Analytics and KQL Zero Trust architecture High availability and disaster recovery FinOps and cloud cost optimisation Use of GitHub Copilot to accelerate Infrastructure as Code development The Person ...

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. ...

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 ...

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 ...

across multiple concurrent programmes. Drive delivery excellence and technical quality across the organization. Balance technical innovation with practical delivery outcomes. Create and maintain a high-performance culture focused on collaboration, accountability, and customer success. Support capability growth across architecture, engineering, integration, cloud, data, and operational technology disciplines. Serve … Event‐Driven Architecture Kafka and Streaming Technologies Enterprise Integration Platforms Cloud Architecture (Azure, AWS, GCP) Cyber Security and Identity Management Virtualization End User Compute High Availability and Disaster Recovery Linux Enterprise Environments DevOps and Deployment Automation Data Architecture and Information Management Operational Monitoring and Observability Platforms Network Architecture ...

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 ...

Testing: Run hands-on testing in lab environments to validate and certify new hardware and software releases before deployment. Unix & Linux Delivery: Maintain high availability across RHEL, Ubuntu, and legacy Unix platforms while driving modern infrastructure-as-code practices. Solution Design: Partner with internal technical teams to turn ...

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 ...

infrastructure. The role focuses on building CI/CD pipelines, observability, and IaC automation, while optimizing performance and cost. You will ensure security and high availability for production systems. #J-18808-Ljbffr ...

Senior Scala Engineer to join the AttRep Team and shape the backend APIs delivering Attribute Reputation services for fraud detection. You will focus on high-availability and low-latency design while collaborating with product owners, data engineers and CIP teams to drive secure, scalable solutions. Active SC clearance ...

Lead. You’ll lead the engineering teams responsible for building, running, protecting and modernising our Unisys infrastructure. These are mission‐critical environments that process high‐value customer transactions and must operate securely, reliably and resiliently within a highly regulated organisation. The role therefore requires more than general infrastructure leadership. … cost, of our Lab for LBG. The services you'll help lead, develop, and operate are at the core of our infrastructure and require high quality while moving fast to keep up with our customers' needs. This is an exciting time to join the team! What ...

London is seeking a Software Engineer to join the Cumberland Systematic team, focusing on high-performance trading systems written in C++ and Python. You will help design, build, test and maintain the full stack needed for a global trading operation. You will work with quantitative researchers and traders … features from idea to production, and ensure low latency, high availability and robust monitoring. #J-18808-Ljbffr ...

incident response. The role emphasizes engineering and operations alignment, with a focus on scalable security controls, vulnerability management and modern tooling in a high-availability setup. #J-18808-Ljbffr ...