High Availability Jobs in the UK

376 to 400 of 602 High Availability Jobs in the UK

Senior DBA

City of London, London, United Kingdom
Claranet
and large-scale modernisation projects. Engage in technical conversations with customers and deliver workshops. Technical Competencies (Essential): Proven experience with MSSQL, MySQL, and Postgres database solutions. Strong knowledge of High Availability and Always On Availability Groups. Comprehensive understanding of indexing and optimisation techniques for database performance tuning. Experience in automating, monitoring, and managing databases and deployments using More ❯
Posted:

Senior DBA

London Area, United Kingdom
Claranet
and large-scale modernisation projects. Engage in technical conversations with customers and deliver workshops. Technical Competencies (Essential): Proven experience with MSSQL, MySQL, and Postgres database solutions. Strong knowledge of High Availability and Always On Availability Groups. Comprehensive understanding of indexing and optimisation techniques for database performance tuning. Experience in automating, monitoring, and managing databases and deployments using More ❯
Posted:

Senior DBA

london, south east england, united kingdom
Claranet
and large-scale modernisation projects. Engage in technical conversations with customers and deliver workshops. Technical Competencies (Essential): Proven experience with MSSQL, MySQL, and Postgres database solutions. Strong knowledge of High Availability and Always On Availability Groups. Comprehensive understanding of indexing and optimisation techniques for database performance tuning. Experience in automating, monitoring, and managing databases and deployments using More ❯
Posted:

Senior DBA

london (city of london), south east england, united kingdom
Claranet
and large-scale modernisation projects. Engage in technical conversations with customers and deliver workshops. Technical Competencies (Essential): Proven experience with MSSQL, MySQL, and Postgres database solutions. Strong knowledge of High Availability and Always On Availability Groups. Comprehensive understanding of indexing and optimisation techniques for database performance tuning. Experience in automating, monitoring, and managing databases and deployments using More ❯
Posted:

Senior Data Engineer | Systematic Trading

London Area, United Kingdom
NJF Global Holdings Ltd
into live trading strategies. If you’ve already been building data infrastructure inside a hedge fund or HFT shop, you’ll know what this role really means: low-latency, high-availability, globally distributed data pipelines that quant teams trust every day. This is your chance to level up from patching legacy pipelines to building the core platform used … Data Lake + OLAP) in AWS Develop scalable data pipelines in Python , working with SDKs and data libs Own end-to-end data modeling , ingestion, validation, and optimization for high-concurrency access Tune performance of cross-region, multi-format data stores (columnar, real-time, etc.) Deliver tailored solutions directly to quants and traders – real impact, real visibility Take the … lead on cloud infra design , deployment, and automation What You Bring 5+ years building data platforms in systematic trading, fintech, or high-throughput environments Mastery of Python and SQL – C++ is a plus Experience with cloud-native stacks (ideally AWS ) and interest in infrastructure as code A structured, pragmatic mindset with strong ownership and autonomy Ability to work closely More ❯
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Senior Data Engineer | Systematic Trading

City of London, London, United Kingdom
NJF Global Holdings Ltd
into live trading strategies. If you’ve already been building data infrastructure inside a hedge fund or HFT shop, you’ll know what this role really means: low-latency, high-availability, globally distributed data pipelines that quant teams trust every day. This is your chance to level up from patching legacy pipelines to building the core platform used … Data Lake + OLAP) in AWS Develop scalable data pipelines in Python , working with SDKs and data libs Own end-to-end data modeling , ingestion, validation, and optimization for high-concurrency access Tune performance of cross-region, multi-format data stores (columnar, real-time, etc.) Deliver tailored solutions directly to quants and traders – real impact, real visibility Take the … lead on cloud infra design , deployment, and automation What You Bring 5+ years building data platforms in systematic trading, fintech, or high-throughput environments Mastery of Python and SQL – C++ is a plus Experience with cloud-native stacks (ideally AWS ) and interest in infrastructure as code A structured, pragmatic mindset with strong ownership and autonomy Ability to work closely More ❯
Posted:

Senior Data Engineer | Systematic Trading

london, south east england, united kingdom
NJF Global Holdings Ltd
into live trading strategies. If you’ve already been building data infrastructure inside a hedge fund or HFT shop, you’ll know what this role really means: low-latency, high-availability, globally distributed data pipelines that quant teams trust every day. This is your chance to level up from patching legacy pipelines to building the core platform used … Data Lake + OLAP) in AWS Develop scalable data pipelines in Python , working with SDKs and data libs Own end-to-end data modeling , ingestion, validation, and optimization for high-concurrency access Tune performance of cross-region, multi-format data stores (columnar, real-time, etc.) Deliver tailored solutions directly to quants and traders – real impact, real visibility Take the … lead on cloud infra design , deployment, and automation What You Bring 5+ years building data platforms in systematic trading, fintech, or high-throughput environments Mastery of Python and SQL – C++ is a plus Experience with cloud-native stacks (ideally AWS ) and interest in infrastructure as code A structured, pragmatic mindset with strong ownership and autonomy Ability to work closely More ❯
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Senior Data Engineer | Systematic Trading

slough, south east england, united kingdom
NJF Global Holdings Ltd
into live trading strategies. If you’ve already been building data infrastructure inside a hedge fund or HFT shop, you’ll know what this role really means: low-latency, high-availability, globally distributed data pipelines that quant teams trust every day. This is your chance to level up from patching legacy pipelines to building the core platform used … Data Lake + OLAP) in AWS Develop scalable data pipelines in Python , working with SDKs and data libs Own end-to-end data modeling , ingestion, validation, and optimization for high-concurrency access Tune performance of cross-region, multi-format data stores (columnar, real-time, etc.) Deliver tailored solutions directly to quants and traders – real impact, real visibility Take the … lead on cloud infra design , deployment, and automation What You Bring 5+ years building data platforms in systematic trading, fintech, or high-throughput environments Mastery of Python and SQL – C++ is a plus Experience with cloud-native stacks (ideally AWS ) and interest in infrastructure as code A structured, pragmatic mindset with strong ownership and autonomy Ability to work closely More ❯
Posted:

Senior Data Engineer | Systematic Trading

london (city of london), south east england, united kingdom
NJF Global Holdings Ltd
into live trading strategies. If you’ve already been building data infrastructure inside a hedge fund or HFT shop, you’ll know what this role really means: low-latency, high-availability, globally distributed data pipelines that quant teams trust every day. This is your chance to level up from patching legacy pipelines to building the core platform used … Data Lake + OLAP) in AWS Develop scalable data pipelines in Python , working with SDKs and data libs Own end-to-end data modeling , ingestion, validation, and optimization for high-concurrency access Tune performance of cross-region, multi-format data stores (columnar, real-time, etc.) Deliver tailored solutions directly to quants and traders – real impact, real visibility Take the … lead on cloud infra design , deployment, and automation What You Bring 5+ years building data platforms in systematic trading, fintech, or high-throughput environments Mastery of Python and SQL – C++ is a plus Experience with cloud-native stacks (ideally AWS ) and interest in infrastructure as code A structured, pragmatic mindset with strong ownership and autonomy Ability to work closely More ❯
Posted:

Software Engineer C++

City of London, London, United Kingdom
Ncounter LTD
days per week) | Competitive salary + bonus Ncounter is partnering with a leading trading technology group to hire an exceptional C++ Software Engineer to build and evolve high-performance order gateway systems used in fast-moving fixed income markets. This is a hands-on role developing ultra-low-latency services that handle order validation, routing and exchange connectivity - the … backbone of real-time trading. Youll join a collaborative team of developers, quants and platform engineers, working across a high-availability C++ codebase to deliver fast, resilient and observable services. Youll be empowered to design, implement and test software that directly impacts trading performance, scalability and reliability. Key Responsibilities: Design and develop high-throughput order gateway components … driving improvements Core Skills & Experience: Strong proficiency in modern C++ (C++17 or later) and STL Deep understanding of multi-threading, low-latency optimisation and Linux systems Experience working on high-frequency or real-time systems (financial or otherwise) Familiarity with network programming, serialization and distributed architectures Strong analytical and debugging skills, using profiling tools to measure performance Exposure to More ❯
Employment Type: Permanent
Posted:

C++ Software Engineer

London, South East, England, United Kingdom
Ncounter
days per week) | Competitive salary + bonus Ncounter is partnering with a leading trading technology group to hire an exceptional C++ Software Engineer to build and evolve high-performance order gateway systems used in fast-moving fixed income markets. This is a hands-on role developing ultra-low-latency services that handle order validation, routing and exchange connectivity - the … backbone of real-time trading. You’ll join a collaborative team of developers, quants and platform engineers, working across a high-availability C++ codebase to deliver fast, resilient and observable services. You’ll be empowered to design, implement and test software that directly impacts trading performance, scalability and reliability. Key Responsibilities: • Design and develop high-throughput order … driving improvements Core Skills & Experience: • Strong proficiency in modern C++ (C++17 or later) and STL • Deep understanding of multi-threading, low-latency optimisation and Linux systems • Experience working on high-frequency or real-time systems (financial or otherwise) • Familiarity with network programming, serialization and distributed architectures • Strong analytical and debugging skills, using profiling tools to measure performance • Exposure to More ❯
Employment Type: Full-Time
Salary: £150,000 - £175,000 per annum
Posted:

Java Software Engineer

London, South East, England, United Kingdom
Hybrid / WFH Options
Noir
Amazon Redshift, PostgreSQL, RESTful APIs, CI/CD, Microservices, iOS/Android Native, Agile, Financial Services) Are you a highly skilled Java Developer with a passion for building scalable, high-performance financial systems? Do you enjoy working with cutting-edge technologies across backend, cloud, and mobile ecosystems? If so, this is a fantastic opportunity to join a growing FinTech … an international financial technology company , is seeking a Java Developer to play a key role in designing, developing, and deploying next-generation financial applications. You will work on complex, high-availability systems built using Spring Boot , deployed on AWS EKS/Kubernetes , and integrated with modern mobile and analytics platforms. As part of a collaborative, Agile development team More ❯
Employment Type: Contractor
Rate: £400 - £420 per day
Posted:

Infrastructure Engineering Lead

New Malden, England, United Kingdom
Northrop Grumman UK
working within regulated environments such as defence, energy, or critical infrastructure. Key Responsibilities: Product Development: ICS Infrastructure Design: Lead the design and deployment of infrastructure solutions for PMS, ensuring high availability, security, and performance across both surface ships and submarines.. Networking & Security: Design and manage robust industrial networking architectures (e.g., Profinet, Ethernet/IP, fibre optics, wireless) for … best practices. Required Skills & Experience: Windows Server & Red Hat Linux: Extensive hands-on experience in configuring, securing, and maintaining Windows Server domains and Red Hat Linux environments in complex, high-security settings. Virtualisation: Expertise in virtualisation technologies such as VMware and Hyper-V, with a demonstrated ability to set up, maintain, and optimise virtual environments for industrial applications. Cybersecurity … contributing to national defence and global security efforts. Diverse Technology Stack: Gain hands-on experience with Windows Server domains, Red Hat Linux environments, virtualisation, and cybersecurity tools in a high-stakes environment where both IT and OT integration is critical. Professional Growth: Take advantage of opportunities to grow your skills through training, certification, and experience in the defence sector More ❯
Posted:

Infrastructure Engineering Lead

london, south east england, united kingdom
Northrop Grumman UK
working within regulated environments such as defence, energy, or critical infrastructure. Key Responsibilities: Product Development: ICS Infrastructure Design: Lead the design and deployment of infrastructure solutions for PMS, ensuring high availability, security, and performance across both surface ships and submarines.. Networking & Security: Design and manage robust industrial networking architectures (e.g., Profinet, Ethernet/IP, fibre optics, wireless) for … best practices. Required Skills & Experience: Windows Server & Red Hat Linux: Extensive hands-on experience in configuring, securing, and maintaining Windows Server domains and Red Hat Linux environments in complex, high-security settings. Virtualisation: Expertise in virtualisation technologies such as VMware and Hyper-V, with a demonstrated ability to set up, maintain, and optimise virtual environments for industrial applications. Cybersecurity … contributing to national defence and global security efforts. Diverse Technology Stack: Gain hands-on experience with Windows Server domains, Red Hat Linux environments, virtualisation, and cybersecurity tools in a high-stakes environment where both IT and OT integration is critical. Professional Growth: Take advantage of opportunities to grow your skills through training, certification, and experience in the defence sector More ❯
Posted:

Infrastructure Engineering Lead

london (new malden), south east england, united kingdom
Northrop Grumman UK
working within regulated environments such as defence, energy, or critical infrastructure. Key Responsibilities: Product Development: ICS Infrastructure Design: Lead the design and deployment of infrastructure solutions for PMS, ensuring high availability, security, and performance across both surface ships and submarines.. Networking & Security: Design and manage robust industrial networking architectures (e.g., Profinet, Ethernet/IP, fibre optics, wireless) for … best practices. Required Skills & Experience: Windows Server & Red Hat Linux: Extensive hands-on experience in configuring, securing, and maintaining Windows Server domains and Red Hat Linux environments in complex, high-security settings. Virtualisation: Expertise in virtualisation technologies such as VMware and Hyper-V, with a demonstrated ability to set up, maintain, and optimise virtual environments for industrial applications. Cybersecurity … contributing to national defence and global security efforts. Diverse Technology Stack: Gain hands-on experience with Windows Server domains, Red Hat Linux environments, virtualisation, and cybersecurity tools in a high-stakes environment where both IT and OT integration is critical. Professional Growth: Take advantage of opportunities to grow your skills through training, certification, and experience in the defence sector More ❯
Posted:

Server Support Engineer

Oxford, England, United Kingdom
Harvey Nash
operations team to support its 24/7 mission-critical systems. We’re seeking a Server Support Engineer to join the infrastructure team and help maintain reliable, secure, and high-performing Microsoft-based environments. This role is ideal for someone who thrives in a hands-on technical position, enjoys problem-solving in real time, and wants to play a … key role in supporting complex, high-availability infrastructure. Key Responsibilities Deliver first and second-line support across Microsoft-based infrastructure and services. Diagnose and resolve incidents affecting servers, virtual environments, and core business applications. Monitor system health and performance to ensure maximum uptime and fast incident response. Support and maintain environments hosting high-traffic web and e … in VMware vSphere and Microsoft Hyper-V administration. Experience supporting Microsoft infrastructure services such as Active Directory , DNS , and Remote Desktop Services (RDS) . Understanding of e-commerce or high-traffic web environments with thousands of concurrent users. Proven ability to troubleshoot complex infrastructure issues and quickly adapt to new technologies. Familiarity with PowerShell scripting , monitoring tools , and incident More ❯
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Server Support Engineer

banbury, south east england, united kingdom
Harvey Nash
operations team to support its 24/7 mission-critical systems. We’re seeking a Server Support Engineer to join the infrastructure team and help maintain reliable, secure, and high-performing Microsoft-based environments. This role is ideal for someone who thrives in a hands-on technical position, enjoys problem-solving in real time, and wants to play a … key role in supporting complex, high-availability infrastructure. Key Responsibilities Deliver first and second-line support across Microsoft-based infrastructure and services. Diagnose and resolve incidents affecting servers, virtual environments, and core business applications. Monitor system health and performance to ensure maximum uptime and fast incident response. Support and maintain environments hosting high-traffic web and e … in VMware vSphere and Microsoft Hyper-V administration. Experience supporting Microsoft infrastructure services such as Active Directory , DNS , and Remote Desktop Services (RDS) . Understanding of e-commerce or high-traffic web environments with thousands of concurrent users. Proven ability to troubleshoot complex infrastructure issues and quickly adapt to new technologies. Familiarity with PowerShell scripting , monitoring tools , and incident More ❯
Posted:

SAP CX Architect

City of London, London, United Kingdom
Stott and May
Customer Engagement Strong expertise in software architecture, requirements gathering, and technical design for large-scale IT projects Deep knowledge of web technologies, security protocols, data protection, performance optimization, and high availability architecture Experience with documentation, code reviews, and architecture design Proficient with agile methodologies (Scrum, Kanban) and tools like Jira or Azure DevOps Excellent stakeholder management and communication … with a focus on SAP CX platforms Demonstrated leadership in managing technical teams and large-scale projects Other Requirements: Willingness to work in a hybrid environment based in London Availability for occasional vendor management and incident response outside regular hours Commitment to ongoing learning, certifications, and staying updated with SAP platform evolutions A passion for innovation, continuous improvement, and More ❯
Posted:

SAP CX Architect

London Area, United Kingdom
Stott and May
Customer Engagement Strong expertise in software architecture, requirements gathering, and technical design for large-scale IT projects Deep knowledge of web technologies, security protocols, data protection, performance optimization, and high availability architecture Experience with documentation, code reviews, and architecture design Proficient with agile methodologies (Scrum, Kanban) and tools like Jira or Azure DevOps Excellent stakeholder management and communication … with a focus on SAP CX platforms Demonstrated leadership in managing technical teams and large-scale projects Other Requirements: Willingness to work in a hybrid environment based in London Availability for occasional vendor management and incident response outside regular hours Commitment to ongoing learning, certifications, and staying updated with SAP platform evolutions A passion for innovation, continuous improvement, and More ❯
Posted:

SAP CX Architect

london, south east england, united kingdom
Stott and May
Customer Engagement Strong expertise in software architecture, requirements gathering, and technical design for large-scale IT projects Deep knowledge of web technologies, security protocols, data protection, performance optimization, and high availability architecture Experience with documentation, code reviews, and architecture design Proficient with agile methodologies (Scrum, Kanban) and tools like Jira or Azure DevOps Excellent stakeholder management and communication … with a focus on SAP CX platforms Demonstrated leadership in managing technical teams and large-scale projects Other Requirements: Willingness to work in a hybrid environment based in London Availability for occasional vendor management and incident response outside regular hours Commitment to ongoing learning, certifications, and staying updated with SAP platform evolutions A passion for innovation, continuous improvement, and More ❯
Posted:

SAP CX Architect

london (city of london), south east england, united kingdom
Stott and May
Customer Engagement Strong expertise in software architecture, requirements gathering, and technical design for large-scale IT projects Deep knowledge of web technologies, security protocols, data protection, performance optimization, and high availability architecture Experience with documentation, code reviews, and architecture design Proficient with agile methodologies (Scrum, Kanban) and tools like Jira or Azure DevOps Excellent stakeholder management and communication … with a focus on SAP CX platforms Demonstrated leadership in managing technical teams and large-scale projects Other Requirements: Willingness to work in a hybrid environment based in London Availability for occasional vendor management and incident response outside regular hours Commitment to ongoing learning, certifications, and staying updated with SAP platform evolutions A passion for innovation, continuous improvement, and More ❯
Posted:

SAP CX Architect

slough, south east england, united kingdom
Stott and May
Customer Engagement Strong expertise in software architecture, requirements gathering, and technical design for large-scale IT projects Deep knowledge of web technologies, security protocols, data protection, performance optimization, and high availability architecture Experience with documentation, code reviews, and architecture design Proficient with agile methodologies (Scrum, Kanban) and tools like Jira or Azure DevOps Excellent stakeholder management and communication … with a focus on SAP CX platforms Demonstrated leadership in managing technical teams and large-scale projects Other Requirements: Willingness to work in a hybrid environment based in London Availability for occasional vendor management and incident response outside regular hours Commitment to ongoing learning, certifications, and staying updated with SAP platform evolutions A passion for innovation, continuous improvement, and More ❯
Posted:

Platform Manager

United Kingdom
World Wide Technology
met. Work with customers and multiple stakeholders to understand requirements and challenges, provide reporting on usage, workflow and billing. Technical responsibilities Cluster Infrastructure management: Managing the Nvidia GPU cluster. High availability and resilience: Implement failover strategies and manage maintenance events to minimize downtime. Resource allocation and optimization: Resource partitioning (GPU resources), workload scheduling, capacity planning Performance monitoring and … Preferred experience Experience supporting HPE PCAI or other AI/HPC infrastructure and platforms. Experience with GPU resource allocation (across instances, GPUs count and time) Advanced networking skills with High performance networking, troubleshooting and fine tuning. Background in DevOps or SRE practices ITIL familiarity All candidates will need to go through a background check. Must be eligible to live More ❯
Posted:

Senior Developer

Edinburgh, UK
Hybrid / WFH Options
Computershare
do. You will contribute within your development team and embrace continuous improvement across the wider team. Some key responsibilities: Provide technical support for our suite of middleware applications, ensuring high availability and performance. Troubleshoot and resolve .net and SQL related issues reported by internal teams and external clients. Provide development support for server upgrades and pen tests. Collaborate … role sounds like what you’re looking for, and you want to be part of an organisation that focuses on our employees’ career progression, while working on interesting and high-profile projects, please apply today! Rewards designed for you Flexible work to help you find the best balance between work and lifestyle. Health and wellbeing rewards that can be More ❯
Employment Type: Full-time
Posted:

Application Service Manager

City Of London, England, United Kingdom
Hybrid / WFH Options
Pioneer Search
secure and reliable. You'll work with a mix of on-premise and cloud-based systems, interacting with development, infrastructure, and third-party suppliers, MSPs and Vendors to maintain high availability and quality of service. Key Responsibilities Maintain operational control of multiple business-critical applications, ensuring stability, uptime, and quality of service. Coordinate with vendors and internal teams … management, and longer-term service optimisation. Why Join This position offers the chance to work within a growing London-based organisation that values modern technology, collaborative problem-solving, and high-quality service delivery. You'll play a central role in keeping critical systems running smoothly while shaping the future of how technology supports the business. Apply following the link More ❯
Posted:
High Availability
10th Percentile
£42,500
25th Percentile
£52,500
Median
£70,000
75th Percentile
£88,875
90th Percentile
£110,000