High Availability Jobs in the UK

101 to 125 of 530 High Availability Jobs in the UK

System Engineer (Fully Remote)

Belfast, United Kingdom
Hybrid / WFH Options
VanRath
are seeking a proactive and technically proficient individual to help architect, maintain, and optimise the core infrastructure that supports our mission-critical technology platforms. This individual will join a high-performing team tasked with designing and sustaining resilient, secure, and high-availability systems that meet rigorous uptime standards in a round-the-clock operational environment. The ideal More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Backend Developer (c#)

Stafford, Staffordshire, West Midlands, United Kingdom
Hybrid / WFH Options
Daniel James Resourcing Ltd
Senior Backend Engineer C#/.NET High-Trust, High-Autonomy SaaS Up to £60k + generous benefits Hybrid (1 day/month onsite Midlands HQ) Our client is a respected SaaS company delivering robust, high-volume software platforms used across the UK and increasingly abroad. Their mission is to simplify financial and transactional processes with clean, elegant … code reviews, rapid feedback loops Supportive squad-based delivery model What youll be doing: Designing back-end services from scratch no boilerplate or cookie-cutter code Building out secure, high-availability APIs Collaborating with other engineers and product leads on solution design Writing clean, scalable C# code Leading by example: mentoring others, improving processes, shaping engineering standards Youll … at scale A thoughtful, product-focused engineering mindset Bonus: experience in fintech, ecommerce, or business automation domains Whats in it for you: Join a culture of trust, autonomy, and high technical standards Work from home with minimal in-office time 23 days holiday plus extras (birthday, wellness day, bank hols) Extra holiday for each year of service Access to More ❯
Employment Type: Permanent, Work From Home
Salary: £60,000
Posted:

Senior SQL Architect

London, United Kingdom
N Consulting Limited
in defining data strategy, ensuring scalability, security, and performance of SQL-based systems, and collaborating with cross-functional teams to support business goals. Key Responsibilities: Design, architect, and implement high-performance SQL Server/Oracle/PostgreSQL solutions. Define data architecture standards and best practices for the organization. Develop complex queries, stored procedures, triggers, and performance tuning strategies. Lead … the migration of legacy systems to modern data platforms (e.g., cloud-based SQL solutions). Collaborate with DevOps, application developers, BI engineers, and data scientists. Ensure high availability, disaster recovery, and data integrity across platforms. Perform database modeling, normalization, and capacity planning. Establish data security policies, access controls, and compliance processes (e.g., GDPR, HIPAA). Mentor junior database More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Backend Developer (c#)

Manchester, North West, United Kingdom
Hybrid / WFH Options
Daniel James Resourcing Ltd
Senior Backend Engineer C#/.NET High-Trust, High-Autonomy SaaS Up to £70,000 + generous benefits Hybrid (1 day a week onsite - Central Manchester) Our client is a respected SaaS company delivering robust, high-volume software platforms used across the UK and increasingly abroad. Their mission is to simplify financial and transactional processes with clean … code reviews, rapid feedback loops Supportive squad-based delivery model What youll be doing: Designing back-end services from scratch no boilerplate or cookie-cutter code Building out secure, high-availability APIs Collaborating with other engineers and product leads on solution design Writing clean, scalable C# code Leading by example: mentoring others, improving processes, shaping engineering standards Youll … at scale A thoughtful, product-focused engineering mindset Bonus: experience in fintech, ecommerce, or business automation domains Whats in it for you: Join a culture of trust, autonomy, and high technical standards Work from home with minimal in-office time 23 days holiday plus extras (birthday, wellness day, bank hols) Extra holiday for each year of service Access to More ❯
Employment Type: Permanent, Work From Home
Salary: £70,000
Posted:

Senior Software Engineer, Fleet

Fleet, Hampshire, United Kingdom
Hayden AI Technologies, Inc
agencies. As a senior engineer, you will play a critical role in designing, building, and scaling cloud services that enable remote device management, over-the-air updates, observability, and high-availability operations for our mobile perception platform. We tackle complex challenges related to scalability, performance, and security to enable smarter and safer cities through cutting-edge innovation. As … of multi-region AWS infrastructure using Infrastructure as Code (IaC) tools. Own CI/CD pipelines for cloud services, enabling efficient, secure, and automated delivery processes. Set and uphold high standards for software engineering and DevOps practices across the team, including incident response, monitoring, and postmortems. Collaborate with cross-functional teams-including hardware, product, and other engineering teams-to More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Lead Technical Architect

Bristol, Gloucestershire, United Kingdom
Hybrid / WFH Options
CACI Limited
protection, regulatory compliance, and alignment with industry best practices (e.g., AWS IAM, encryption, VPC, security monitoring, and auditing). • Containerisation & Orchestration: Architect and oversee containerised environments using Kubernetes, ensuring high availability, scalability, and fault tolerance for critical applications. • Event-Driven Systems: Lead a team to architect event-driven systems using Kafka, designing and managing messaging frameworks to handle … Certified Security - Specialty) preferred. • Understanding of architectural standards and frameworks e.g. TOGAF Due to the industries we work in, we require the successful candidate to be able to obtain high level security clearance. To qualify for this, you must be a British citizen and have lived permanently in the UK for the last 5 years. Why work for us More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Infrastructure Engineer DV

Gloucestershire, South West, United Kingdom
LM RECRUITMENT SOLUTIONS LTD
the infrastructure engineers: VMware Infrastructure Design and deployment of large-scale Vmware environments Configuration and management of ESXi, vCenter, vSAN, and NSX Implementation of RBAC for Vmware access control High availability, disaster recovery, and backup strategies Operating Systems Deployment, configuration, and management of Linux (various distributions) Windows Server setup, including Active Directory, DNS, and Group Policy Linux repositories More ❯
Employment Type: Permanent
Salary: £80,000
Posted:

Cloud Engineer

London, United Kingdom
Hybrid / WFH Options
UnitedHealth Group
efficiency of Change Healthcare's cloud environments and products that comprise Enterprise Imaging solutions. The engineer will participate in activities including continuous delivery, configuration changes, performance monitoring, and ensuring high availability of systems. The engineer will lead incident management processes, including triaging and resolution of incidents. You'll enjoy the flexibility to work remotely from anywhere within the More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Lead Fullstack Engineer

London, United Kingdom
Track24 Limited
containerisation (Docker, Kubernetes) and cloud platforms (AWS, GCP or Azure) Skilled in cross-functional collaboration and stakeholder communication Strong analytical skills with a proactive, problem-solving mindset Experience in high-availability systems, cybersecurity frameworks (ISO, SOC), or Elixir development Background in fast-paced, start-up or scale-up environments Interest in stepping into or growing towards an Engineering More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Associate Software Engineer

London, United Kingdom
Mimecast Services Ltd
Utilize strong analytical and problem-solving skills to troubleshoot and resolve issues in production environments. On-Call Support: Participate in on-call rotations to support the search platform, ensuring high availability and reliability. Agile Methodologies: Collaborate with cross-functional teams in Agile sprints, contributing to planning, development, and review processes. CI/CD Practices: Utilize GitLab and Jenkins More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Software Engineer - Search Platform

London, United Kingdom
Mimecast Services Ltd
Utilize strong analytical and problem-solving skills to troubleshoot and resolve issues in production environments. On-Call Support: Participate in on-call rotations to support the search platform, ensuring high availability and reliability. Agile Methodologies: Collaborate with cross-functional teams in Agile sprints, contributing to planning, development, and review processes. CI/CD Practices: Utilize GitLab and Jenkins More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Guidewire Cloud Technical Architect

London, United Kingdom
WeAreTechWomen
and workloads Lead infrastructure strategy for cloud migrations of insurance core systems, including on-prem to cloud transitions. Optimize cloud infrastructure using native services for performance, cost-efficiency, and high availability. Define best practices for cloud operations, monitoring, disaster recovery, and compliance. Insurance Application Cloud Enablement: Provide cloud infrastructure implementation support for core insurance platforms, including Guidewire applications (PolicyCenter More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Principal DB Architect

United Kingdom
Nutanix
deep technical subject matter expertise with a keen understanding of how to address the critical business needs of enterprise customers through Nutanix products and solutions. This role is a high-impact and high-visibility one. As customers continue their hybrid cloud journey, architect-level guidance is critical to their success. The architect must be a highly organized, thorough … and come up with new solutions. Within the DB Engineering Solutions team, you'll find no shortage of challenging problems to work on. Your Role Design and implement robust, high-performing, and future-ready database architectures that support operational, transactional, and analytical workloads. Research and assess next-gen database platforms (e.g., vector databases, graph databases, time-series DBs, real … non-relational database systems, such as Oracle, MSSQL, PostgreSQL, MySQL, MongoDB, etc. 8+ years of Relational Database implementation, operations and/or solution deployment experience in a business-critical, high-availability context. Deep expertise in one or more of the following areas: Server Virtualization; Networking, Storage, Platform and Database Performance tuning Experience with deployments of databases on Kubernetes More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Site Reliability Engineer - London

London, United Kingdom
Hybrid / WFH Options
Valarian Technologies Limited
and a belief in making a tangible impact on our world. Whether you join our London HQ or the wider global organisation, you'll be a part of collaborative, high-performing teams, creating cutting-edge software, platforms, and infrastructure. The Role Join us as a Site Reliability Engineer and help us build the future of data sovereignty! We're … seeking an SRE passionate about creating high-performance, scalable, and reliable services for our production infrastructure. You'll have a direct impact, improving existing systems and developing innovative solutions to complex challenges. Our small, collaborative engineering teams own the full lifecycle of their services, from development to production operations. We champion automation and empower you to choose the best … for self-hosted deployments, including infrastructure and tooling for monitoring, alerting, and troubleshooting. This will involve designing and implementing robust metrics and logging systems. Engineer the ACRA platform for high availability and fault tolerance. This includes ensuring resilience against Cloud Availability Zone outages and the ability to gracefully handle node failures. Guarantee 99.9% uptime for the platform More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Engineering Lead

Edinburgh, United Kingdom
Lloyds Banking Group
on risk, resilience, and costs. You will be coding day to day, performing code reviews, utilize your deep technical expertise to guide and mentor the team towards delivering a high-quality software. If you're ready to step into a leadership role that shapes both people and technology, we'd love to hear from you! About us Like the … person who combines strategic leadership with deep technical expertise in Java/Spring/Python/Big Data Tech and paves the way for the engineering teams to deliver high quality, enterprise grade, high-availability systems A drive to learn new and upcoming technologies and best practices - The bank and the team is investing in GenAI backed … full ownership of production issues and prioritise a customer first approach A passion for developing talent, fostering a product-based mindset, attracting and retaining top engineering talent to build high-performing teams About working for us Our focus is to ensure we're inclusive every day, building an organisation that reflects modern society and celebrates diversity in all its More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior DevOps Engineer (AWS)

London, United Kingdom
Hybrid / WFH Options
SPD Technology
At SPD Technology, we bring together a team of like-minded people who are driven by the desire to bring value through their work, united in their commitment to high performance and delivering custom, cutting-edge tech solutions that drive clients' growth. We empower our people with a culture of excellence and enable them with the opportunity to uphold … AWS-based highload infrastructure while ensuring compliance with PCI DSS security standards. You will play a crucial role in automating deployments, optimizing system performance, and maintaining reliability in a high-scale environment. The role requires expertise in global infrastructure deployment across multiple regions and availability zones, ensuring Active-Active architecture with redundancy and zero-downtime deployments. About the … have the opportunity to influence its architecture and technical decisions from the ground up. Team The team is being built from scratch to support a new client and a high-impact project. The initial plan is to form a full-scale team consisting of 4 backend engineers, 1 frontend engineer, 1 QA, 1 Business Analyst (BA), and 1 Solution More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Software Engineer, Python

London, United Kingdom
Hybrid / WFH Options
YouGov
center of what we do. We are looking for a Senior Python Engineer to develop and maintain web applications using Python and Flask. You will work on building scalable, high-performance web applications with a focus on backend technologies. Besides that, you will develop and maintain complex data pipelines (ETL) that power YouGov core products. If you thrive in … an environment that values collaboration and customer happiness above all, you'll find yourself at home on our team. Key Responsibilities Develop and maintain high-traffic, distributed applications using Python, Flask, Cloud technologies, relational and NoSQL databases Design and implement RESTful APIs and integrate with third-party services Design, implement and maintain high-availability data pipelines (ETL … system design and code architecture discussions Lead the technical excellence of the system and create plans to mitigate issues and outages Collaborate closely with Product and Design in creating high-impact features Propose and participate in team processes improvements Proactively mentor other engineers Skills and Qualifications 5+ years of experience as a Python backend developer Expert knowledge of Python More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Cloud DBA

London, United Kingdom
BNB Chain
responsible for the maintenance and optimization of our PostgreSQL databases hosted on the AWS Cloud platform. The successful candidate will collaborate with cross-functional teams to ensure database reliability, availability, and performance, while also contributing to the overall architecture and strategy of our cloud-based database solution. 1. Database Design and Architecture: • Collaborate with software engineers, DevOps, and infrastructure … and configure PostgreSQL database instances on AWS RDS, considering factors such as instance sizing, storage, and security. • Implement and manage replication, clustering, and backup/recovery strategies to ensure high availability and disaster recovery. 3. Performance Monitoring and Optimization: • Monitor database performance, proactively identifying and resolving performance bottlenecks, slow queries, and other issues affecting system responsiveness. • Tune database More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Infrastructure Engineer

Milton Keynes, Buckinghamshire, South East, United Kingdom
Hybrid / WFH Options
ECS
infrastructure upgrade projects and assist in developing new solutions. Manage and monitor servers, storage systems (SAN/NAS), and network equipment including switches, firewalls, and wireless access points. Ensure high system performance, availability, and data integrity through proactive monitoring, backups, and disaster recovery testing. Support and enhance business continuity plans. Maintain accurate and comprehensive technical documentation; contribute to … Proficiency in networking protocols such as TCP/IP, DNS, DHCP, and VLANs. Hands-on experience with virtualization platforms like VMware vSphere and Microsoft Hyper-V (VM provisioning, optimization, high availability, troubleshooting). Skilled in configuring and managing routers, switches, and firewalls. Experience with SAN and NAS technologies including provisioning, tuning, and backup strategies. Familiarity with LogicMonitor or More ❯
Employment Type: Permanent, Work From Home
Salary: £40,000
Posted:

Cloud Architect - GCP

London, United Kingdom
Paymentology
Kafka and Kubernetes Platform Management: Design, deploy, and maintain scalable Kafka and Kubernetes clusters to support development and production environments Implement best practices for Kafka and Kubernetes operations , ensuring high availability, performance, and security Monitor, troubleshoot, and optimize Kafka and Kubernetes infrastructure to meet development team needs Implementation: Implement cloud infrastructure components, including compute, storage, networking, and security … for performance, scalability, and cost-efficiency Implement DevOps practices for streamlined deployment and operations Troubleshooting and Support: Provide technical support for cloud infrastructure and services Troubleshoot and resolve performance, availability, and security issues Support production environments and participate in a 24x7 on-call rotation when required Requirements Experience: 7+ years of experience in designing, implementing, and managing cloud-based More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

DevOps Engineer (On-Call)

London, United Kingdom
Hybrid / WFH Options
amber labs
in a paid 24/7/365 on-call Rota (1 week on, 1 week off) Overview: We are looking for an experienced DevOps Engineer to join a high-performing team responsible for supporting a secure, cloud-based infrastructure underpinning critical public sector services. This role involves hands-on engineering support and contributing to service reliability, automation, and … processes to enable fast, safe deployments Collaborate with cross-functional teams to troubleshoot issues, implement changes, and enhance system performance Ensure the infrastructure meets non-functional requirements such as high availability, cost efficiency, and scalability Maintain operational documentation and contribute to continuous improvement initiatives Required Skills and Experience: Essential: Strong Linux systems administration experience AWS infrastructure and services More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Python Developer

London, South East, England, United Kingdom
Hybrid / WFH Options
XPERT-CAREER LTD
Developer to join our dynamic team in London . You will play a critical role in developing and optimizing backend systems, working with modern data technologies, and contributing to high-performance and AI-enabled applications. Key Responsibilities: Develop robust, scalable applications using Python , APIs, and async processing techniques Collaborate with cross-functional teams on system architecture, design, and implementation … management Desirable Skills & Interests: Experience with frameworks like LangChain , Langflow , or similar tools for building AI agents Understanding of Large Language Models (LLMs) and intelligent automation workflows Experience building high-availability, scalable systems using microservices or event-driven architecture Knowledge of orchestration tools like Apache Airflow , Kubernetes , or serverless frameworks Qualifications: Bachelor’s degree in Computer Science, Engineering More ❯
Employment Type: Full-Time
Salary: £55,000 - £60,000 per annum
Posted:

Solace Messaging Administrator

London, Clerkenwell, United Kingdom
Eligo Recruitment Ltd
Solace Messaging Administrator London 3x a week Full-Time Permanent Salary on application You will be responsible for managing and supporting our enterprise messaging infrastructure, ensuring high availability, optimal performance, and reliability across production and non-production environments. This includes working on incident response, capacity planning, network optimization, and system observability using industry-standard monitoring tools. Required Skills … Azure, GCP) and cloud-native deployments. Why Join Us? Be part of a mission-critical team enabling real-time data flows. Work with cutting-edge technologies and contribute to high-impact projects. Eligo Recruitment is acting as an Employment Business in relation to this vacancy. Eligo is proud to be an equal opportunity employer dedicated to fostering diversity and More ❯
Employment Type: Permanent
Posted:

Solace Messaging Administrator

London, South East, England, United Kingdom
Eligo Recruitment
Solace Messaging Administrator London 3x a week Full-Time Permanent Salary on application You will be responsible for managing and supporting our enterprise messaging infrastructure, ensuring high availability, optimal performance, and reliability across production and non-production environments. This includes working on incident response, capacity planning, network optimization, and system observability using industry-standard monitoring tools. Required Skills … Azure, GCP) and cloud-native deployments. Why Join Us? Be part of a mission-critical team enabling real-time data flows. Work with cutting-edge technologies and contribute to high-impact projects. Eligo Recruitment is acting as an Employment Business in relation to this vacancy. Eligo is proud to be an equal opportunity employer dedicated to fostering diversity and More ❯
Employment Type: Full-Time
Salary: Competitive salary
Posted:

Sr. Cloud Application Architect

London, United Kingdom
Amazon
Bangalore/Hyderabad. In order for applications to be cloud optimized they need to be well-architected enabling them to reap the benefits of elasticity, horizontal scalability, automation and high availability. On the AWS platform services such as Amazon EC2, Auto Scaling, Elastic Load Balancing, AWS Elastic Beanstalk, Amazon Elastic Container Services to name just a few, provide opportunities … with designing and building application using AWS services such as EC2, AWS Elastic Beanstalk, AWS OpsWorks o Experience architecting highly available systems that utilize load balancing, horizontal scalability and high availability - Hands on programing skills in any of the following: Python, Java, Node.js, Ruby, .NET or Scala - Agile software development expert - Experience with continuous integration tools (e.g. Jenkins More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:
High Availability
10th Percentile
£41,250
25th Percentile
£51,438
Median
£65,000
75th Percentile
£82,500
90th Percentile
£105,575