1 to 25 of 132 High Availability Jobs in London

DB Administrator

Hiring Organisation
Methods Business and Digital Technology Limited
Location
London, United Kingdom
Employment Type
Permanent
Salary
GBP Annual
seeking an experienced Database Administrator to support critical services within a complex environment, ensuring the integrity, availability, performance, and security of data across highly regulated justice systems. This role operates within a live service environment where reliability, auditability, and data protection are paramount. You will work across BAU support … maintain PostgreSQL databases (Azure Flexible Server) Provide BAU support (2nd/3rd line) for production incidents, including performance degradation, outages, and data issues Ensure high levels of availability, resilience, and operational stability across all environments (Dev, SIT, NFT, Prod) Support release activities, validating database changes and ensuring safe ...

Global Banking & Markets - Software Engineer - Vice President - London London · United Kingdom [...]

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
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 highavailability, multi‐region, event‐driven services on a modern cloud‐native platform, setting the architectural standard for years to come. What You Will ...

Global Banking & Markets - Software Engineer - Vice President - London

Hiring Organisation
Jobleads-UK
Location
City Of London, England, United Kingdom
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 highavailability, multi‐region, event‐driven services on a modern cloud‐native platform, setting the architectural standard for years to come. What You Will ...

Senior Linux/Unix Admin

Hiring Organisation
Morgan McKinley
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
Salary negotiable
recently implemented core banking platform (live since October). The successful candidate will be expected to hit the ground running, supporting a complex, high-availability environment spanning 50+ servers and 15-20 databases, while also contributing to ongoing optimisation and platform maturity. Key Responsibilities Database & Platform Management Administer … optimise enterprise databases (including SQL Server and Oracle environments) supporting core financial applications Manage and support clustered database environments, including Oracle RAC Ensure high availability, performance tuning, and data integrity across all database platforms Application & Web Layer Support Support and manage front-end application environments, with experience ...

Sr SW Engineer-3

Hiring Organisation
Visa
Location
London, UK
Employment Type
Full-time
Design, develop, andmaintaincore services for the liquidity management engine usingJavaand related technologies. Implement event-driven patterns whereappropriate tosupport real-time decision-making. Ensure high availability, scalability, and observability of critical components. Collaborate with cross-functional teams to understand requirements and deliver solutions that meet organisational needs. Contribute … practices. Support and advocate for event-driven architecture within the teamas part of delivering the solution. You'llget: Ownership of critical components within a high-impact financial system. Opportunity to work on complex, business-critical problems with real-world impact. A modern tech stack and autonomy to innovate. Strong ...

Director of Technology Infrastructure and Cybersecurity

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
IFRS Foundation's global technology environment, ensuring alignment with corporate objectives. Supporting 350 staff across six countries, the role ensures resilient, secure, and high‐performing services in a 24x7 operational model. Combining strategic oversight with operational accountability, the Director is responsible for infrastructure, end‐user computing, AV, cybersecurity … digital workplace and security operations, providing technical leadership to optimise the performance and cost base of the services. Operational Excellence (24x7 Global Environment) Ensure high availability and performance of all core systems supporting a 24x7 international operation. Establish and monitor SLAs, KPIs, and operational metrics to maintain service ...

Senior Linux/Oracle DBA

Hiring Organisation
Proactive Appointments
Location
London, United Kingdom
Employment Type
Permanent
Salary
GBP 70,000 - 80,000 Annual
Linux/AIX systems , ideally gained within a banking or financial services environment . You'll be responsible for ensuring the stability, performance, and availability of business-critical banking and finance applications, working closely with senior IT stakeholders and wider application teams. Key Responsibilities Administer, maintain, and optimise Oracle … Linux (RHEL/Oracle Linux) and AIX environments hosted on IBM Power 10 infrastructure Perform system upgrades, patching, performance tuning, and capacity planning Support high availability and disaster recovery solutions using Oracle RAC, ASM, RMAN, and Data Guard Collaborate with application and infrastructure teams to resolve complex production ...

GCP DevOps Engineer - London OR Manchester OR Bristol (Hybrid) - IR35

Hiring Organisation
iBSC
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP Annual
Time event streaming You will help design, build and maintain the tools, pipelines and processes that enable engineering teams to deliver secure, scalable and high quality software at pace Key Responsibilities Design, implement, and maintain CI/CD pipelines using tools such as Jenkins, Harness, Git, Nexus, SonarQube, Docker … delivery Help improve deployment processes, including modern CI/CD tooling and blue-green deployment approaches Support monitoring, alerting, and incident response to maintain high availability and reliability Automate manual processes, identify delivery bottlenecks, and share knowledge across engineering teams Work collaboratively with engineering, product, and operations teams ...

Senior EUC Engineers - Exchange

Hiring Organisation
CBSbutler Holdings Limited trading as CBSbutler
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £550/day
Responsibilities Design and implement Microsoft Exchange architecture across hybrid and cloud environments Lead the design and planning of Exchange migrations and upgrades Produce High-Level and Low-Level Design documentation (HLD/LLD) Design mail flow architecture, including routing and connectors Define high availability and disaster recovery … Proven experience with Exchange Hybrid architecture Experience delivering Exchange migrations (on-prem to cloud or hybrid) Strong knowledge of: Mail flow design Hybrid Exchange High availability and DR Experience producing HLD and LLD documentation Technical Environment Microsoft Exchange Online On-Prem Exchange (2016/2019) Microsoft 365 Microsoft ...

DevOps Engineer

Hiring Organisation
VIQU IT Recruitment
Location
South West London, London, United Kingdom
Employment Type
Contract
Contract Rate
£400 - 500 per day + Outside IR35
testing. Key Skills & Experience from the Azure DevOps Engineer: Active SC Clearance ideal/lapsed considered Advanced Azure Engineering Strong experience designing for high availability Deep understanding of Azure-native services and architecture patterns Github actions Infrastructure as Code (IaC) Expert-level proficiency with Terraform and/… advanced pipelines using GitHub Actions Strong understanding of pipeline orchestration, automation, and deployment strategies Key Responsibilities of the Azure DevOps Engineer: Design and implement high availability Azure architectures, including regional failover and load balancing strategies embedded within IaC templates Build and maintain scalable, reusable Terraform and/ ...

DevOps Engineer

Hiring Organisation
VIQU IT
Location
London, Charing Cross, United Kingdom
Employment Type
Contract
Contract Rate
£400 - £500/day Outside IR35
testing. Key Skills & Experience from the Azure DevOps Engineer: Active SC Clearance ideal/lapsed considered Advanced Azure Engineering Strong experience designing for high availability Deep understanding of Azure-native services and architecture patterns Github actions Infrastructure as Code (IaC) Expert-level proficiency with Terraform and/… advanced pipelines using GitHub Actions Strong understanding of pipeline orchestration, automation, and deployment strategies Key Responsibilities of the Azure DevOps Engineer: Design and implement high availability Azure architectures, including regional failover and load balancing strategies embedded within IaC templates Build and maintain scalable, reusable Terraform and/ ...

Scala Developer

Hiring Organisation
Robert Half
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
Salary negotiable
recruit a Scala Developer on a 6 months contract basis. Hybrid working - London based Role The Scala Developer will develop highly performant, highly availability, fault tolerant systems that are packaged in containers and deployed on the cloud Scale, manage and build tools to monitor them Determine non-functional requirements … experience of a wide range of best of breed open source and commercial technologies - Scala, Kubernetes, Docker, AWS. Experience of software development for high capacity, high traffic, high availability websites/systems Delivery experience within an agile project is essential Company Global market leading e-commerce ...

Head of Engineering

Hiring Organisation
Few&Far
Location
Greater London, England, United Kingdom
continents, and they're preparing for their next major funding round to scale significantly. Now they need a Head of Engineering to lead their high-performing team through hyper-growth. The mission, should you accept it... Scale the engineering organisation without losing momentum: You'll lead a growing team … move fast as headcount multiplies. Own the technical roadmap: You'll guide the evolution of a platform running a complex, distributed architecture with high-availability requirements. You'll balance innovation with reliability in an AI-native environment where underlying technologies evolve constantly. Partner with product leadership ...

Software Engineer

Hiring Organisation
Visa
Location
London, UK
Employment Type
Full-time
public cloud) and Kafka.Ability to communicate equally effectively with both technical and non-technical stakeholders.Modern Cloud-Native architectures and practices. To name some: high-availability, high-scalability, microservices, 12-factor apps, CI/CD, heavy testing automation and observability.TDD, BDD and Contract testing.Working in a DevOps environment ...

Engineering Manager

Hiring Organisation
Visa
Location
London, UK
Employment Type
Full-time
tighter than teams/services outside the tribe. What you'll get to do: Team/People: Grows team members and builds a high-performing team Spends time recruiting, and organising activities that increase retention Creates an environment of psychological safety, enabling team members to thrive Represents the team … programming languages, these teams primarily use Java, so experience with Java (opensource) would be preferable Modern Cloud-Native architectures and practices. To name some: high-availability, high-scalability, microservices, 12-factor apps, CI/CD, heavy testing automation and observability. TDD, BDD and Contract testing. Knowledge ...

Senior Golang Developer - Kubernetes - Financial Services

Hiring Organisation
Rothstein Recruitment Ltd
Location
London, United Kingdom
Employment Type
Permanent
Salary
GBP Annual
eager to apply your technical expertise to the financial services industry, this is the role for you. Key Responsibilities: Design, develop, and maintain high-performance Back End services using GoLang to support financial applications and services , including trading platforms, investment systems, and risk management tools. Build and deploy cloud … requirements, and ensure that applications meet financial regulatory standards and business needs. Optimize the performance of Back End services, ensuring low-latency responses and high availability, critical for financial services. Implement CI/CD pipelines, automated testing, and monitoring systems to ensure the reliability and stability of production ...

Lead Enterprise Architect

Hiring Organisation
ECS Resource Group Ltd
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£700 - £750/day IR35 Status TBC
they are looking for an experienced Lead Enterprise Architect to play a crucial role in the design and implementation of a business critical and high priority project that will transform and modernise their primary revenue source. What you'll do Full ownership of the enterprise architecture strategy … emerging AI capabilities Own key technology decisions including vendor strategy and "build vs buy" across critical platforms Design platforms that operate at scale: High volume, high availability, and no room for failure Lead the shift towards platform-based architecture with clear ownership and long-term sustainability Turn ...

Java React Fullstack Developer - VP

Hiring Organisation
Bond McKenzie
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£85,000 - £115,000 per annum
will be at the heart of that transformation. Responsibilities Work closely alongside the Engineering Lead to deliver the technical strategy for your team. Deliver high efficiency, high availability, concurrent and fault tolerant software systems using API-First principles. Design, develop, and implement secure, scalable, and reliable micro ...

Mid-Senior Ruby on Rails Engineer (B2B SaaS | Hybrid | UK)

Hiring Organisation
Transreport
Location
City of London, London, United Kingdom
deployment practices, monitoring, and long-term maintainability. Operational Accountability: Act as the technical owner of production systems that directly impact live rail operations, ensuring high availability and rapid incident resolution. Requirements Must Haves 4+ years of professional experience with Ruby on Rails. Strong understanding of object-oriented programming … your family Culture & Operating Principles We value : Ownership over hierarchy Clarity over bureaucracy Impact over job titles We operate with high autonomy and high accountability. People are expected to raise risks early, communicate clearly, and take responsibility for outcomes. Interview Roadmap Screening Call (30 mins) – Recruiter alignment Technical ...

Senior Full Stack Engineer

Hiring Organisation
Pontoon
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£90 - £100/hour Inside IR35
full lifecycle of complex private assets. Your expertise is expected to be pivotal in ensuring usability, scalability, performance and resilience of this high-profile platform. Job Responsibilities: * Collaborate closely with cross-functional team, including product owner, business analysts, scrum masters and engineering. Design and build front and back … code. Required: Extensive experience in: * Java Spring Boot and Angular web development. * Micro-services and micro front-ends. Reactive UX front end design patterns. High availability and high scalability design patterns. * GitLab and CI/CD. Agile development. Nice to have: * Experience working with Solidity & EVM-based ...

Platform Engineer

Hiring Organisation
UA Consulting
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
From £300 to £400 per day
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. ...

Platform Engineer

Hiring Organisation
UA Consulting
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£75,000
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. ...

DevOps Engineer - Active SC, Linux, AWS

Hiring Organisation
Hays
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
Up to £425.0 per day + Up to £425 per day - Inside IR35
Proven commercial experience working as a DevOps Engineer within the Public Sector. Active SC Clearance. Strong experience with Linux (RHEL/Ubuntu), AWS, and high-availability Kubernetes environments (EKS/RKE) including load balancing and multi-site failover. Proficient in containerisation and orchestration using Docker, Kubernetes, and Helm. ...

DevOps Engineer - Active SC, Linux, AWS

Hiring Organisation
Hays Specialist Recruitment Limited
Location
London, UK
Employment Type
Full-time
Proven commercial experience working as a DevOps Engineer within the Public Sector. Active SC Clearance. Strong experience with Linux (RHEL/Ubuntu), AWS, and high-availability Kubernetes environments (EKS/RKE) including load balancing and multi-site failover. Proficient in containerisation and orchestration using Docker, Kubernetes, and Helm. ...

AWS Solution Architect - Senior Manager

Hiring Organisation
Anson Mccade
Location
Central London, London, United Kingdom
Employment Type
Permanent
point of application. The Opportunity A leading global professional services organisation is seeking an experienced AWS Solution Architect (Senior Manager) to join its high-performing cloud practice. This is an opportunity to work at the forefront of cloud transformation, partnering with tier-one clients across industries to design … compliance frameworks Implementing secure-by-design cloud environments Integration API design and event-driven architectures Hybrid and multi-cloud connectivity Non-Functional Design High availability, resilience, and scalability Disaster recovery and observability Governance & Compliance Cloud governance frameworks and cost control Auditing and compliance enforcement Desirable Skills AWS Specialty ...