76 to 100 of 254 High Availability Jobs in London

Senior Network Security Specialist

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
conducted on the LME’s three trading platforms totalling $21 trillion, 191 million lots and 4 billion tonnes notional with a market open interest high of 2.1 million lots in 2025.The metals community uses the LME, an HKEX Group company, as a venue to transfer or take on price … Overall Purpose of Role**As a Senior Network Security Specialist, you will design, implement and govern the network security controls that protect our modern, high‐performance enterprise network. You will take a hands‐on lead role in shaping the network security roadmap, defining policies and standards and driving ...

Infrastructure Engineer (Banking or Fintech Background only)

Hiring Organisation
2mrw Group
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£70000 - £75000/annum
across the organisation's core technology platforms while supporting wider transformation initiatives. Your responsibilities will include: Managing Windows Server and Linux environments to ensure high availability and operational stability. Supporting and optimising VMware virtual infrastructure across production environments. Maintaining enterprise backup, recovery and disaster recovery capabilities using industry … leading technologies. Monitoring infrastructure performance and proactively resolving capacity, availability and resilience issues. Administering Microsoft 365 services and supporting hybrid infrastructure technologies. Managing Active Directory, Group Policy, identity administration and user access management. Supporting desktop operating systems, laptops, mobile devices and collaboration technologies across multiple office locations. Maintaining endpoint ...

Infrastructure Engineer (Need Banking or Financial Services Background)

Hiring Organisation
2MRW GROUP LIMITED
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£70,000 - £75,000 per annum
across the organisation's core technology platforms while supporting wider transformation initiatives. Your responsibilities will include: Managing Windows Server and Linux environments to ensure high availability and operational stability. Supporting and optimising VMware virtual infrastructure across production environments. Maintaining enterprise backup, recovery and disaster recovery capabilities using industry … leading technologies. Monitoring infrastructure performance and proactively resolving capacity, availability and resilience issues. Administering Microsoft 365 services and supporting hybrid infrastructure technologies. Managing Active Directory, Group Policy, identity administration and user access management. Supporting desktop operating systems, laptops, mobile devices and collaboration technologies across multiple office locations. Maintaining endpoint ...

Network Infrastructure Consultant

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
strategic goals and technology initiatives. Qualification Key Responsibilities Design, Implement, and Manage Network Infrastructure Lead the design and deployment of robust, scalable, and high-performing network architectures, including LAN, WAN, WiFi, and cloud networking solutions. Expertise in routing, switching, and network segmentation to support business operations across multiple sites … environment. Cloud Networking Expertise Architect and manage cloud-based network solutions (e.g., AWS, Azure, GCP) to support a range of applications and workloads. Ensure high availability and performance of network services in cloud environments, leveraging virtual network functions, VPNs, and direct connections. Design cloud-to-cloud and hybrid ...

DevOps Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
continuous improvement of our deployment pipelines, cloud and bare metal environments, and Kubernetes‐based orchestration layer — ensuring our platform scales reliably to support high‐performance AI and GPU workloads. You'll set the standard for engineering excellence, partnering with Platform, SRE and Product Engineering teams to align on strategy … Ansible, ensuring infrastructure is version‐controlled, peer‐reviewed, and consistently provisioned across dev, staging, and production Manage and maintain hosted application environments, ensuring high availability, scalability, and smooth deployment of services into production Partner closely with Go engineers to deeply understand their development workflows and release processes, identifying ...

Principal Platform Security Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
DevOps/Platform Engineering experience delivering solutions in Azure and/or GCP.* Full‐stack application and infrastructure solution design, ensuring robust security controls, high availability, and operational resilience throughout.* Working knowledge of vulnerability and compliance management (scanning through to remediation), patch management, endpoint protection/anti-malware … delivery focus, able to prioritise effectively and deliver outcomes in a fast-paced environment with shifting demands.* Able to operate effectively in a small, high-impact team while collaborating across a wider product/engineering organisation.* Excellent communication and stakeholder-management skills, able to influence at all levels ...

Senior Platform Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
commercial and residential installation companies. Access to our unique on-line portal and design tool, plus our emphasis on product quality, consistency and availability sets us apart in the market. Segen is a fast-moving business that responds quickly to any market changes supported by its bespoke ERP system … guidance. Promote cloud security best practices and ensure compliance within infrastructure design. Contribute to the evolution of our monitoring and alerting systems to maintain high availability and performance. What We’re Looking For Deep experience in Microsoft Azure, including Hub and Spoke networking. Strong proficiency with Azure DevOps ...

Senior Cloud Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
part of the Robinhood family, the Exchange Platform team owns the full service lifecycle. We are the architects of a modern, high-velocity ecosystem that enables our global expansion, ensuring the world’s longest-running exchange remains unshakeable. The Role As a Senior Backend Engineer integrated into the Exchange … essential part of building the new generation infrastructure for low-latency services in the cloud, adopting cutting-edge technologies to drive our high-velocity ecosystem. This role is based in our London office(s), with in-person attendance expected at least 3 days per week. At Robinhood, we believe ...

Frontend Architect - React

Hiring Organisation
HCLTech
Location
London Area, United Kingdom
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 ...

Site Reliability Engineer, Infrastructure - ThousandEyes

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
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 write 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. ...

Site Reliability Engineer, Infrastructure - ThousandEyes

Hiring Organisation
Jobleads-UK
Location
City Of London, England, United Kingdom
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. ...

DevOps Engineer

Hiring Organisation
DGH Recruitment Ltd
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£80000 - £100000/annum
MLOps Engineer (Platform/DevOps) - AI Platform - FULL TIME 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 in designing … 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 ...

Senior Site Reliability Engineering Manager

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
real‐time low‐latency trading platforms around the clock and provides direct platform support for Cboe's European operations. Responsibilities Technical Leadership & System Availability: Provide technical leadership, support and operational oversight to sustain resiliency and high availability of critical business operations across European and GTH market sessions ...

Principal Architect

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
strategy as we scale our global fintech platform. You will be the primary technical authority for our system design, responsible for ensuring that our high-throughput transaction engines and complex microservices ecosystem remain resilient, performant, and secure under massive load. You will partner with Engineering, Product, and Security leadership … Doing Own the Architectural Vision: Define and drive the long-term technical architecture for KAST, ensuring our platform evolves to meet the demands of high-throughput transactional volume. Design for Scale & Reliability: Lead the design and review of our distributed systems, ensuring our microservices architecture is built for fault ...

Staff Software Engineer - Commercial Trading

Hiring Organisation
Jobleads-UK
Location
City of Westminster, England, United Kingdom
journey, creating solutions for the business that are robust and scalable, with good observability and metrics, following best-in-class engineering practice. Due to high interest, this role may close earlier than advertised. We recommend applying as soon as possible. Your key accountabilities will include: Lead the architecture, design … delivery of scalable software solutions, distributed systems and modernisation initiatives that support critical store operations across M&S. Provide technical leadership on complex, high-impact projects, driving engineering excellence through code reviews, deployment optimisation and adoption of engineering best practices. Collaborate with stakeholders across Product, Delivery, Architecture, Infrastructure ...

Member of Technical Staff (AI Infrastructure Engineer)

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
alerting, and observability solutions tailored to ML workloads running on Kubernetes and Slurm Respond swiftly to system outages and collaborate across teams to maintain high uptime for critical training runs and inference services Optimize cluster utilization and implement autoscaling strategies for dynamic workload demands Qualifications Strong expertise in Kubernetes … resource allocation, and cluster optimization Experience with deploying and managing distributed training systems at scale Deep understanding of container orchestration and distributed systems architecture High level familiarity with LLM architecture and training processes (Multi-Head Attention, Multi/Grouped-Query, distributed training strategies) Experience managing GPU clusters and optimizing ...

AMBG - Cloud Security & Exposure Management Architect

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
passionate about improving reliability, continuity, and disaster recovery capabilities of enterprise cloud environments. You will work closely with customers to provide high-impact assessments and practical recommendations to strengthen operational resilience. Core to the Role Assess the resiliency posture of customer environments from both technical and operational perspectives. Evaluate … proven ability to assess complex environments, identify risks, and deliver clear, actionable recommendations to both technical and executive stakeholders. Professional Skillset Deep experience with high availability and disaster recovery design in Microsoft Azure. Strong understanding of Azure architecture including availability zones, backup, recovery, and monitoring services. Familiarity ...

Platform Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Location: London, United Kingdom (Office) Onsite| Full-time Compensation: Competitive We are hiring on behalf of our client, an elite, high‐growth software development organization seeking a highly experienced Staff Platform Engineer. The employer is a major technical contributor to one of the largest and fastest‐growing crypto social … networks globally, with platforms generating substantial revenue and transaction volume. This is a critical, high‐leverage 0‐to‐1 opportunity. The successful candidate will join a team of elite builders to take the production platform from its foundational stages to global scale. There is no legacy estate to inherit ...

Sr Lead Software Engineer - KDB - Vice President

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
design, development, and technical troubleshooting with ability to think beyond routine or conventional approaches to build solutions or break down technical problems Develops secure high‐quality production code, and reviews and debugs code written by others Identifies opportunities to eliminate or automate remediation of recurring issues to improve overall … experience developing/running large datasets and optimizing query performance. Practical experience scaling and load‐balancing of KDB applications. Practical experience building resilient and highavailability KDB applications. Preferred qualifications, capabilities, and skills Experience with market data venue and vendor data platforms. AWS Experience. Experience in Terraform ...

Network Infrastructure Consultant

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
organization’s strategic goals and technology initiatives. Key Responsibilities Design, Implement, and Manage Network Infrastructure Lead the design and deployment of robust, scalable, and high-performing network architectures, including LAN, WAN, WiFi, and cloud networking solutions. Expertise in routing, switching, and network segmentation to support business operations across multiple … environment. Cloud Networking Expertise Architect and manage cloud-based network solutions (e.g., AWS, Azure, GCP) to support a range of applications and workloads. Ensure high availability and performance of network services in cloud environments, leveraging virtual network functions, VPNs, and direct connections. Design cloud-to-cloud and hybrid ...

Java + CloudNative

Hiring Organisation
Randstad Technologies Recruitment
Location
London, United Kingdom
Employment Type
Permanent
Salary
£65000 - £70000/annum
years of professional experience in Core Java, React, and cloud-native architectures. In this role, you will design, develop, and support scalable, high-performance applications tailored specifically for the investment banking sector. Key Responsibilities & Technical Duties Architect and build dependable applications utilizing Core Java, ReactJS, and their associated ecosystems. … Apply advanced multithreading techniques, data structures, and algorithms to implement efficient, high-scale software solutions. Create and maintain cloud-native deployments leveraging Amazon Web Services (AWS) and Kubernetes. Establish smooth front-to-back integration by implementing robust RESTful APIs and gRPC protocols. Develop fluid, highly intuitive user interfaces with ...

Data Engineer - Core systems

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
using Snowflake and dbt. We are looking for someone who has a solid amount of experience in analytics engineering, who can advise and implement high quality and reliable ETL/ELT processes to bridge the gap between data engineering and analytics. Who will collaborate with analysts, data scientists … more effectively, empowering them to make faster, more informed decisions. Influence and shape the monitoring, observability, and reliability strategy for the data warehouse, ensuring high availability, performance, and data quality. Partner with analysts, data scientists, and business stakeholders to understand data requirements and deliver actionable solutions. Troubleshoot emerging ...

Cloud Engineering Team Lead

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
culture of continuous improvement, providing meaningful mentorship and constructive feedback that helps engineers grow. Driving team performance by resolving bottlenecks, fostering accountability, and sustaining high engagement to ensure consistent delivery & resource efficiency. Driving the adoption of AI within the team, ranging from day to day operations to large scale … writing, managing, and optimising infrastructure with tools such as Terraform. Experience using CI/CD tools, building pipelines, templates and troubleshooting. Experience with applying high availability across cloud architectures, ideally including multi-cloud. Experience with containerisation technologies such as Kubernetes and Docker. A customer-focused, commercially aware ...

Senior DevOps Engineer — Cloud IaC & MLOps Architect

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
platforms across AWS and Azure. Ideal candidates have deep Terraform expertise, experience with Kubernetes-based ML tooling, and a proven track record in highavailability environments with strong incident management skills. #J-18808-Ljbffr ...

site reliability engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Terraform or CloudFormation), and CI/CD practices Deep understanding of incident management processes, ITSM standards, and ITIL principles Knowledge of resilience design patterns, high availability, and fault‐tolerant architectures Familiarity with AI/ML‐driven approaches for operational efficiency and system reliability Ability to lead transformation, influence ...