101 to 125 of 254 High Availability Jobs in London

Senior Network Engineer

Hiring Organisation
Roc Technologies
Location
London, United Kingdom
Employment Type
Permanent
Salary
£70,000
take ownership of designing, implementing, and supporting complex network infrastructures across enterprise environments. Youll work closely with architecture, security, and operations teams to ensure high availability, strong security posture, and continuous service improvement. Key Responsibilities Design, implement, and optimise enterprise network solutions across multi-site environments. Configure, maintain ...

cloud engineer in fintech

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
architects; Document significant technical decisions as ADRs; Act as the Subject Matter Expert for team-owned services; Provide advanced operational support and ensure high availability for global payment systems; Produce exemplary code and documentation; Spread engineering best practices and standards across the group; Manage technical dependencies inside ...

Infrastructure Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
encryption, policy governance, and threat protection. Ensure solutions align with organisational standards and regulatory requirements.* **Operational Excellence:** Monitor, optimise, and support cloud infrastructure, ensuring high availability and performance. Contribute to incident response, root cause analysis, and continuous improvement.* **Collaboration & Documentation:** Work closely with architects, developers, and security teams ...

Assistant Vice President, Data Virtualisation Lead

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
enterprise standards Optimize query performance, concurrency, and resource utilization Establish monitoring, alerting, and operational best practices Collaborate with cloud and platform teams to ensure high availability, scalability, and reliability Prepare relevant documentation Speed up adoption of AI Improve data governance Improve time-to-market of data products WORK ...

Platform Engineer @ Hnry

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
needs and improve developer experience Design, build and maintain improvements to the infrastructure and platform of Hnry, currently hosted on AWS Improve the reliability, availability and performance of our platform Evolve and optimise our CI/CD pipelines to enable fast, safe and consistent deployments Implement and enhance observability … monitoring, alerting, logging) using tools like DataDog to ensure high-availability APM Apply best practices in security, scalability and cost optimisation across our infrastructure Support incident response and proactively identify and resolve system issues Produce work that meets the expected level of test coverage and improve test coverage ...

Senior Multi-Cloud DevOps & Infra Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Senior DevOps & Cloud Infrastructure Engineer to design, automate, and scale multi-cloud infrastructure across AWS, Google Cloud, and Vercel, with a focus on high availability and secure deployments. You will build robust CI/CD pipelines, manage Kubernetes workloads, and collaborate with engineering teams to implement IaC (Terraform … OpenTofu) and optimize deployment pipelines for a high-traffic SaaS product. #J-18808-Ljbffr ...

Data Operations Engineer (Platform)

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Data Operations Engineer/Developer to join our team and help build and scale our data processing infrastructure. In this role, you'll develop high-performance data pipelines, real-time streaming systems, and robust data architectures that power LMAX's growth and Business Intelligence initiatives. You will work with … develop, and maintain scalable data infrastructure to support our BI/MI workloads. Manage and optimize data pipelines and ETL/ELT processes. Ensure high availability, performance, and reliability of our data platforms and services. Conduct code reviews, mentoring others, and enforce best practices in data engineering. Diagnose ...

Back-End Engineer, Trading

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
trading workflows to client-facing APIs. Develop and improve services for order management, market data processing, and trade lifecycle handling in a real-time, high-volume environment. Build and maintain REST APIs and WebSocket streams that deliver real-time prices, order updates, and account data. Collaborate with cross-functional … teams — product, frontend, trading — to adapt the platform quickly to new features and market conditions. Ensure high availability, reliability, and scalability of trading services, with a sharp focus on latency, observability, and testing. Contribute to architecture discussions and technical decisions, writing clean, maintainable code and sharing knowledge across ...

OpenStack Solution Architect

Hiring Organisation
17918
Location
London, United Kingdom
lifecycle. Essential Skills Proven experience designing and delivering enterprise OpenStack environments. Strong infrastructure engineering background. Experience building OpenStack platforms from greenfield. Linux systems engineering. High Availability (HA) and resilient infrastructure design. Networking, storage and virtualisation expertise. Infrastructure as Code using Ansible and/or Terraform. Excellent stakeholder management … Neutron, Nova, Keystone, Glance, Cinder and Heat Secure by Design Automation and CI/CD This is a fantastic opportunity to join a high-profile programme where you'll have the autonomy to shape the architecture, influence technical direction and deliver a modern enterprise private cloud platform. ...

Software Engineer III - KDB

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 Adds to team culture of diversity, equity, inclusion, and respect Develop core systems … data organization, performance implications of different approaches. Practical experience developing/running large datasets and optimizing query performance. Practical experience building resilient and high-availability KDB applications. Preferred qualifications, capabilities, and skills Experience in Terraform and Kubernetes from managing a Production Plant in Public Cloud. AWS Experience. Experience ...

Senior Technical Architect

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
technical growth opportunities. Hands-on Delivery & Mentorship: Remain close to the detail by proving solutions, reviewing code, and mentoring engineering teams to set a high bar for quality, automation, and best practices. What you’ll be doing Technical Leadership & Governance: Act as the account’s senior authority on complex … development teams, guiding clients through workshops, and identifying business growth opportunities. AWS & Serverless Architecture: Deep hands-on expertise in designing, documenting, and delivering resilient, high-availability enterprise applications on AWS (including serverless patterns and appropriate integration components). Agentic AI & Commerce: Strong understanding of building agentic AI platforms ...

IAM Engineer - SSO – Carnaby Street, London

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
access onboarding, configuration, and lifecycle management.* Troubleshoot and resolve complex authentication, authorization, and federation issues impacting users or applications.* Ensure access management services meet availability, performance, and resiliency requirements in a global environment.* Support audit, compliance, and security review activities related to access controls and authentication mechanisms.* Maintain technical … technical discipline.* Experience with passwordless authentication technologies and modern identity standards.* Familiarity with Zero Trust and conditional access models.* Experience supporting authentication services in high-availability, 24x7 enterprise environments.* Experience with identity verification solutions and technolgies.* Professional certifications such as Ping Identity Certified Professional, Microsoft Certified: Identity ...

Senior Technical Architect

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
technical growth opportunities. Hands-on Delivery & Mentorship: Remain close to the detail by proving solutions, reviewing code, and mentoring engineering teams to set a high bar for quality, automation, and best practices. What you’ll be doing Technical Leadership & Governance: Act as the account's senior authority on complex … development teams, guiding clients through workshops, and identifying business growth opportunities. AWS & Serverless Architecture: Deep hands-on expertise in designing, documenting, and delivering resilient, high-availability enterprise applications on AWS (including serverless patterns and appropriate integration components). Agentic AI & Commerce: Strong understanding of building agentic AI platforms ...

Senior DevSecOps Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Engineer, you will be a key driver in integrating security into every phase of our Software Development Lifecycle (SDLC). You will join a high-impact team, responsible for securing our highly available, multi-tenant platform built primarily on GCP and Kubernetes. This role requires a proactive and automated … swiftly and effectively manage and resolve security events. What You Bring (Essential Skills) Cloud Architecture & Security: Deep, practical experience designing, managing, and securing high-availability infrastructure within GCP. API security: Proficient in reviewing, providing patterns and upskilling engineers to provide a secure API interface. Kubernetes Security Proficiency: Expert ...

Site Reliability Engineer- Spacetime UK

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Role Overview This isn't a "keep the lights on" SRE role. This is a strategic, high-impact opportunity to build the nervous system for a platform that transforms how networks of satellites, ground stations, and fleets are interconnected and orchestrated. You will be building the core observability stack … Python for debugging and writing tooling. Demonstrable experience defining, implementing, and managing SLOs, SLIs, and error budgets for production services for high availability distributed systems. Preferred Qualifications Experience operating a multi-cloud environment, specifically GCP and AWS. Hands-on experience with GitLab CI for CI/CD pipelines. ...

DV Cleared Cloud Engineers

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Role We are recruiting for a global security organisation supporting critical national infrastructure and global defence systems. You will design, build, and deploy high-availability AWS solutions and secure cloud architecture. Working as part of an agile delivery team, you will automate complex processes, deliver zero-trust cloud ...

Consulting Customer Success Technical Architect Professional London, GB

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
architecture planning, cluster and security design, monitoring and automation; review and provide guidance on upgrade or migration plans, platform and application hardening ideas, and highavailability design. Guide customers up the data streaming maturity curve with recommendations on advanced topics (data mesh, stream processing, utilization optimization, performance tuning ...

Database SME - PostgreSQL, Azure

Hiring Organisation
Hays Technology
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£400 - £410/day up to £410pd (Outside IR35)
strong Azure database administration experience to support a database modernisation programme. Key requirements: Strong PostgreSQL DBA experience, including performance tuning, backup/recovery and high availability. Experience administering and optimising Azure-hosted database environments. Proven background delivering database migration and modernisation projects. Knowledge of database security, governance and access ...

Senior Network Engineer

Hiring Organisation
Defence
Location
Harlow, London, United Kingdom
Employment Type
Contract
Responsibilities: Lead the design, build, and replacement of legacy Cisco Wireless infrastructure with modern Cisco Catalyst 9800 WLC architecture, ensuring scalable, resilient, and high-performance wireless services Define and deliver end-to-end wireless migration strategies, including planning, staging, cutover execution, and post-implementation optimisation Architect and implement high-availability 9800 WLC deployments (SSO, redundancy models), ensuring minimal service disruption and operational resilience Design and implement enterprise wireless solutions, including SSID segmentation, policy profiles, VLAN mapping, RF optimisation, and seamless roaming Own the design, upgrade, and lifecycle management of Cisco ISE environments, including version upgrades, patching strategies ...

Solutions Architect - Lakebase

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Experience architecting solutions that integrate transactional data systems within broader Big Data, Lakehouse, and AI ecosystems. Infrastructure, platform and administration expertise around disaster recovery, high availability, backup and recovery, scale-out methods, identity and security management, migrations (vendor-to-vendor, on-prem to cloud) The Impact You Will … Have Collaborate with GTM leadership and account teams to design and execute high-impact engagement strategies across your territory. As a trusted advisor, serve as an expert Solutions Architect and "champion," building technical credibility with stakeholders to drive product adoption and vision. Enable clients at scale through workshops ...

Software Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
engineering data, AI‐driven simulations, and seamless user interactions. Prioritise maintainability, testability, and extensibility in design choices. Data Pipeline Engineering: Design and build robust, high‐throughput data pipelines to manage large volumes of engineering data. Ensure efficient data ingestion, transformation, storage, and retrieval from both internal simulations and external … partner tools. Cloud‐Based Scalability, Reliability, and Security: Leverage cloud technologies (AWS) to achieve system scalability, ensuring high availability, fault tolerance, and data security. Implement best practices for cloud infrastructure management and cost optimisation. Simulation Tool Integration: Develop APIs and interfaces to seamlessly integrate with a variety ...

Senior Engineer (Fincrime)

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
team is responsible for Ebury's AML (Anti-Money Laundering) platform. We are seeking a Senior Software Engineer to help us build and maintain high-reliability, low-latency systems that directly impact our regulatory compliance. In this role, you will work on mission-critical features, including real-time sanctions … highest standards of safety and auditability in a regulated global environment. Responsibilities Contribute to the development of our AML platform's services, focusing on high reliability and scalability for real-time sanctions screening and transaction monitoring. You will be responsible for both delivering new features and improving/automating ...

Senior Product Manager - FX Products

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
organisation into a platform-led product company - building shared foundations that allow teams to move faster, operate safely in regulated environments and deliver high-quality client experiences across channel The Opportunity As a Senior Product Manager for FX Products, you will own the vision, strategy, and execution for Ebury … core client-facing foreign exchange capabilities. Your mission is to build industry-leading, high-availability, and cost-effective FX solutions that power our entire external client-facing platform and distribution channels. This is a high-impact role. You will leverage your foreign exchange expertise and passion ...

GBM - Private Dept-London-Vice President-Product Management

Hiring Organisation
Jobleads-UK
Location
City Of London, England, United Kingdom
operations users. We are looking for someone with lots of energy that has excellent communicationskills, enjoys engineering challenges, has a passion to deliver high quality technology products and is able to operate in a highly fluid, rapidly changing environment. If that's you, we would like to hear from … lead engineering teams and deliver complex products with multiple stakeholders Experience architecting, designing full stack apps in AWS Prior experience with working on high availability, mission critical systems using active/active and blue-green deployment methodology BS. or higher in Computer Science (or equivalent work experience) PreferredQualifications ...

Engineering Manager, Infrastructure

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
applications. In this role, you’ll bridge the gap between AI research and production, leading a team that is turning innovative prototypes into scalable, high-performance enterprise solutions. Your team will work on interactive AI applications, enterprise SaaS products, and platform capabilities that redefine how businesses leverage AI. …/CD pipelines (e.g., Circle CI, Github Actions), infrastructure-as-code (e.g., Terraform), and container orchestration (e.g., Kubernetes). Experience managing production environments with high availability, reliability, and scalability requirements. Familiarity with monitoring, alerting, and incident response best practices. Experience working with modern developer platforms and internal tooling ...