1 to 25 of 70 High Availability Jobs in Central London

You will lead a team of skilled network engineers, define the enterprise networking roadmap, and collaborate with cross-functional teams — including Security, Infrastructure, and IT Operations — to deliver a high-performance, high-availability network platform that underpins mission-critical business and customer operations. Key Responsibilities Strategic Leadership Define and execute the strategic vision for enterprise and customer … approach to incident response, monitoring, and continuous threat detection . Oversee audit readiness and maintain comprehensive network documentation and asset inventories. People & Stakeholder Leadership Build, develop, and mentor a high-performing network engineering team , fostering a culture of excellence, accountability, and continuous learning. Set clear objectives, manage performance, and align team skills with evolving business and technology needs. Act … technical depth and business acumen . Exceptional stakeholder management and communication skills, capable of influencing at C-suite level. Proven ability to lead teams , develop talent, and build a high-performance culture. Commercially aware, with experience managing budgets, vendors, and service contracts Qualifications Bachelor’s degree in Computer Science, Network Engineering, or related discipline (or equivalent experience). Professional More ❯

You will lead a team of skilled network engineers, define the enterprise networking roadmap, and collaborate with cross-functional teams — including Security, Infrastructure, and IT Operations — to deliver a high-performance, high-availability network platform that underpins mission-critical business and customer operations. Key Responsibilities Strategic Leadership Define and execute the strategic vision for enterprise and customer … approach to incident response, monitoring, and continuous threat detection . Oversee audit readiness and maintain comprehensive network documentation and asset inventories. People & Stakeholder Leadership Build, develop, and mentor a high-performing network engineering team , fostering a culture of excellence, accountability, and continuous learning. Set clear objectives, manage performance, and align team skills with evolving business and technology needs. Act … technical depth and business acumen . Exceptional stakeholder management and communication skills, capable of influencing at C-suite level. Proven ability to lead teams , develop talent, and build a high-performance culture. Commercially aware, with experience managing budgets, vendors, and service contracts Qualifications Bachelor’s degree in Computer Science, Network Engineering, or related discipline (or equivalent experience). Professional More ❯

and Subscriptions to Azure Landing Zone management group and subscriptions. Deliver Server using CIS hardened image for 2019/2022, App Services, SQL Managed Instance, SQL Database Server. Ensure high availability of services. Deliver secure way of network routing using Application Gateway, Azure Firewall, Network Security Group. Design and Configuration of point-to-site and site-to-site … for high secure VPN connectivity from end user’s device and Sizewell C various offices and sites. Configuration of Data Lake storage, ensuring security hardening. Compliance of backup and restoration. Integration of IAAS, PAAS and SAAS application with Microsoft Entra ID (AAD) for secure access through SAML SSO. Maintain the lifecycle of Enterprise Application and App registration certificate. Closely … understanding of competitive technologies to properly assess feasibility to integrate with customer solutions and understanding of Agile life-cycle Should be Core On premises, Azure Solution Architect and have high experience in solution designing. Should have excellent communication skills, the role is to work along with customer, understand their business/technical requirement and design Domain Merger, Identity management More ❯

and Subscriptions to Azure Landing Zone management group and subscriptions. Deliver Server using CIS hardened image for 2019/2022, App Services, SQL Managed Instance, SQL Database Server. Ensure high availability of services. Deliver secure way of network routing using Application Gateway, Azure Firewall, Network Security Group. Design and Configuration of point-to-site and site-to-site … for high secure VPN connectivity from end user’s device and Sizewell C various offices and sites. Configuration of Data Lake storage, ensuring security hardening. Compliance of backup and restoration. Integration of IAAS, PAAS and SAAS application with Microsoft Entra ID (AAD) for secure access through SAML SSO. Maintain the lifecycle of Enterprise Application and App registration certificate. Closely … understanding of competitive technologies to properly assess feasibility to integrate with customer solutions and understanding of Agile life-cycle Should be Core On premises, Azure Solution Architect and have high experience in solution designing. Should have excellent communication skills, the role is to work along with customer, understand their business/technical requirement and design Domain Merger, Identity management More ❯

disaster recovery, and cloud security, combined with the ability to operate within a fast-paced, scaling SaaS environment. Key Responsibilities Design, implement, and manage Azure-based infrastructure to ensure high availability, scalability, and security. Develop and maintain infrastructure-as-code and automation frameworks to streamline deployment and operations. Lead and test disaster recovery and business continuity plans to …/7 operations. Excellent problem-solving and incident management skills. Ability to thrive in a scaling SaaS environment, balancing stability and innovation. Desirable Previous experience in SaaS or high-growth technology companies. Knowledge of containerisation (e.g., Kubernetes, Docker). Scripting/programming skills (e.g., PowerShell, Python, Bash). Seniority Level Mid-Senior level Industry Software Development IT Services and More ❯

a skilled and proactive Solace Messaging Administrator to join our Messaging team. You will be responsible for managing and supporting our enterprise messaging infrastructure built on Solace PubSub+, ensuring high availability, optimal performance, and reliability across production and non-production environments. This includes working on incident response, capacity planning, WAN optimization, and system observability using tools like Prometheus … of cloud environments (AWS, Azure, GCP) and cloud-native Solace deployments. Why Join Us? Join a multi-discipline team, delivering advanced Messaging APIs, developing tools, administering , supporting low latency, high throughput messaging system for prices, orders, trades, and mission critical applications. Exciting opportunity to work with a wide array of technologies. Chance to further develop your programming skills while More ❯

a skilled and proactive Solace Messaging Administrator to join our Messaging team. You will be responsible for managing and supporting our enterprise messaging infrastructure built on Solace PubSub+, ensuring high availability, optimal performance, and reliability across production and non-production environments. This includes working on incident response, capacity planning, WAN optimization, and system observability using tools like Prometheus … of cloud environments (AWS, Azure, GCP) and cloud-native Solace deployments. Why Join Us? Join a multi-discipline team, delivering advanced Messaging APIs, developing tools, administering , supporting low latency, high throughput messaging system for prices, orders, trades, and mission critical applications. Exciting opportunity to work with a wide array of technologies. Chance to further develop your programming skills while More ❯

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 Desirable 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 ❯

proxies, and DDoS protections. Support a Zero Trust model through segmentation and ZTNA policies. Performance & Low-Latency Optimisation Engineer networks for speed, efficiency, and resilience—particularly in support of high-performance financial systems. Monitor and analyse performance, recommend improvements, and ensure systems meet demanding SLAs. Support colocation near exchanges and manage high-throughput, low-latency routes. Monitoring & Observability … and support root-cause analysis. Collaboration & Project Leadership Act as a key stakeholder in cross-functional teams, working with Infrastructure, Security, DevOps, and Application teams to deliver secure and high-performance systems. Document design standards and mentor others in networking best practices. Lead major infrastructure initiatives from design through to implementation. Support & Innovation Continuously assess the evolving needs of … Security Groups, etc.) Experience designing and managing enterprise-grade LAN, WAN, VPN, and SASE networks Familiarity with Azure networking and hybrid cloud deployments Deep understanding of low-latency and high-availability network design Hands-on experience with network security (Firewalls, Proxies, Remote Access, DDoS, ZTNA) Proficient in Terraform, Ansible, and scripting for infrastructure automation Knowledge of GitOps, CI More ❯

proxies, and DDoS protections. Support a Zero Trust model through segmentation and ZTNA policies. Performance & Low-Latency Optimisation Engineer networks for speed, efficiency, and resilience—particularly in support of high-performance financial systems. Monitor and analyse performance, recommend improvements, and ensure systems meet demanding SLAs. Support colocation near exchanges and manage high-throughput, low-latency routes. Monitoring & Observability … and support root-cause analysis. Collaboration & Project Leadership Act as a key stakeholder in cross-functional teams, working with Infrastructure, Security, DevOps, and Application teams to deliver secure and high-performance systems. Document design standards and mentor others in networking best practices. Lead major infrastructure initiatives from design through to implementation. Support & Innovation Continuously assess the evolving needs of … Security Groups, etc.) Experience designing and managing enterprise-grade LAN, WAN, VPN, and SASE networks Familiarity with Azure networking and hybrid cloud deployments Deep understanding of low-latency and high-availability network design Hands-on experience with network security (Firewalls, Proxies, Remote Access, DDoS, ZTNA) Proficient in Terraform, Ansible, and scripting for infrastructure automation Knowledge of GitOps, CI More ❯

curiosity, adaptability, and a drive to grow within a FinTech setting. Why Join Be part of a modern FinTech platform redefining how financial services operate. Work in a secure, high-availability cloud environment where reliability and automation are top priorities. Collaborate with exceptional engineers and influence platform strategy. AWS | Platform Engineering | FinTech | Cloud Infrastructure | Terraform | Kubernetes | EKS | CI More ❯

rapidly and looking for an AWS DevOps Engineer to strengthen their cloud and platform capabilities. You’ll be joining a talented engineering team that’s passionate about building reliable, high-performing software. As the business grows, we’re investing heavily in cloud infrastructure, automation, and developer productivity . You’ll play a key role in evolving the platform to … support new products, high availability, and faster deployments. Expect a modern, cloud-native environment with the autonomy to make technical decisions, experiment with new tools, and help define best practices in platform engineering. Tech Stack AWS (Core Services – EC2, RDS, S3, IAM, Lambda, CloudWatch) Infrastructure as Code: Terraform Containerisation & Orchestration: Docker, Kubernetes (EKS), Helm Configuration Management: Ansible CI … Monitoring & Observability: Grafana, Prometheus Scripting/Automation: Python or Java What We’re Looking For Proven experience managing and scaling AWS cloud environments , ideally supporting live software products or high-traffic platforms. Strong background in Terraform and Infrastructure as Code best practices. Practical experience with Kubernetes (EKS) in production. Familiarity with monitoring and observability tools such as Grafana and More ❯

Java Developer who is passionate about clean code, cloud-native systems, and building technology that makes a real impact. This is a unique opportunity to work in an agile, high-ownership engineering culture. What You'll Be Doing: Build and scale backend services using Java and Spring Boot Shape a modern microservices architecture for a high-availability More ❯

Java Developer who is passionate about clean code, cloud-native systems, and building technology that makes a real impact. This is a unique opportunity to work in an agile, high-ownership engineering culture. What You'll Be Doing: Build and scale backend services using Java and Spring Boot Shape a modern microservices architecture for a high-availability More ❯

our network architecture. Key Responsibilities Design, implement, and maintain secure and efficient LAN and WAN infrastructure across multiple sites. Manage internet connectivity and work with service providers to ensure high availability and performance. Configure, monitor, and maintain enterprise-grade firewalls to protect internal assets and enforce security policies. Design and manage Azure networking , including virtual networks, subnets, and More ❯

our network architecture. Key Responsibilities Design, implement, and maintain secure and efficient LAN and WAN infrastructure across multiple sites. Manage internet connectivity and work with service providers to ensure high availability and performance. Configure, monitor, and maintain enterprise-grade firewalls to protect internal assets and enforce security policies. Design and manage Azure networking , including virtual networks, subnets, and More ❯

implementation and rollout for upgrades of existing services.  Work closely with development teams, business analysts, architects, all infrastructure teams to design and setup new systems, improve existing platforms (resilience, high availability, performance, low-latency...).  Coordinate and organise changes with external vendors, markets, ECNs.  Plan, schedule, implement and document the change activities.  Improve team documentation, keep it up More ❯

implementation and rollout for upgrades of existing services. Work closely with development teams, business analysts, architects, all infrastructure teams to design and setup new systems, improve existing platforms (resilience, high availability, performance, low-latency...). Coordinate and organise changes with external vendors, markets, ECNs. Plan, schedule, implement and document the change activities. Improve team documentation, keep it up More ❯

We are seeking an experienced AWS Architect with valid eDV clearance/UK*C/UKIC to design, build, and maintain secure, scalable, and high-performing cloud infrastructure. This role involves working across development and operations teams to enable resilient platforms through modern cloud practices, automation, and container orchestration. You will be instrumental in shaping enterprise-ready cloud solutions … Implement strong security and access controls using IAM, Vault, and Secrets Manager Enhance platform observability using Prometheus, Grafana, and ELK Stack Collaborate with cross-functional teams to deliver robust, high-availability solutions Key Skills & Experience Extensive hands-on experience with AWS (Azure knowledge beneficial) Expertise in Terraform, CloudFormation, and automation tooling Strong containerisation skills with Kubernetes, Docker, and More ❯

We are seeking an experienced AWS Architect with valid eDV clearance/UK*C/UKIC to design, build, and maintain secure, scalable, and high-performing cloud infrastructure. This role involves working across development and operations teams to enable resilient platforms through modern cloud practices, automation, and container orchestration. You will be instrumental in shaping enterprise-ready cloud solutions … Implement strong security and access controls using IAM, Vault, and Secrets Manager Enhance platform observability using Prometheus, Grafana, and ELK Stack Collaborate with cross-functional teams to deliver robust, high-availability solutions Key Skills & Experience Extensive hands-on experience with AWS (Azure knowledge beneficial) Expertise in Terraform, CloudFormation, and automation tooling Strong containerisation skills with Kubernetes, Docker, and More ❯

of CI/CD pipelines and secure DevOps practices. Personal Attributes Proactive, analytical, and automation-focused. Excellent collaborator with strong communication skills. Comfortable working independently in a fast-paced, high-availability environment. More ❯

annual, global championship – established in 2018 and now in its fourth season – features national teams battling in short, intense races at iconic stadium-style venues across the globe. The high-tech, high-speed action features the sailing's best athletes racing in identical hydrofoiling F50 catamarans, flying at speeds approaching 100 km/h who compete for the … project teams consisting of permanent, contract or volunteer staff. Sound understanding of IT and/or telecommunications. Experience of delivering production IT services to SLAs/OLAs within a high availability environment. Experience of managing third-party suppliers in a multi-vendor environment. Ability to operate both independently and in a collaborative, team environment. Superior organisation, prioritisation and More ❯

to the evolution of modern cloud-based data infrastructure , working with tools such as Airflow, Kafka, Spark, and AWS . Monitor and troubleshoot data workflows, ensuring continuous delivery of high-quality, analysis-ready datasets. Play a visible role in enhancing the firm’s broader data strategy and engineering culture. Candidate Profile 1–5 years’ experience in data engineering, analytics … proficiency with SQL . Confident working with ETL frameworks , data modelling principles, and modern data tools (Airflow, Kafka, Spark, AWS). Experience working with large, complex datasets from structured, high-quality environments — e.g. consulting, finance, or enterprise tech. STEM degree in Mathematics, Physics, Computer Science, Engineering, or a related field. Demonstrates curiosity, attention to detail, and a pragmatic, problem … solving mindset . Enjoys collaborating across technical and non-technical teams in fast-paced, high-performance settings. Why This Opportunity? Work at the intersection of data, technology, and finance , where clean engineering directly impacts business performance. Gain exposure to cutting-edge data stacks and high-availability systems . Collaborate with world-class technologists and quantitative researchers. Structured More ❯

to the evolution of modern cloud-based data infrastructure , working with tools such as Airflow, Kafka, Spark, and AWS . Monitor and troubleshoot data workflows, ensuring continuous delivery of high-quality, analysis-ready datasets. Play a visible role in enhancing the firm’s broader data strategy and engineering culture. Candidate Profile 1–5 years’ experience in data engineering, analytics … proficiency with SQL . Confident working with ETL frameworks , data modelling principles, and modern data tools (Airflow, Kafka, Spark, AWS). Experience working with large, complex datasets from structured, high-quality environments — e.g. consulting, finance, or enterprise tech. STEM degree in Mathematics, Physics, Computer Science, Engineering, or a related field. Demonstrates curiosity, attention to detail, and a pragmatic, problem … solving mindset . Enjoys collaborating across technical and non-technical teams in fast-paced, high-performance settings. Why This Opportunity? Work at the intersection of data, technology, and finance , where clean engineering directly impacts business performance. Gain exposure to cutting-edge data stacks and high-availability systems . Collaborate with world-class technologists and quantitative researchers. Structured More ❯

companies, major sports leagues, entertainment industry legends and other industry-redefining companies. The Applications Operations Analyst focuses on the operational support and continuous improvement of enterprise application environments, ensuring high availability, security, and performance. The ideal candidate will be responsible for day-to-day maintenance, patching, monitoring, and user support across critical systems, while also contributing to process … vendors. Facilitate alignment between delivery teams and Information Security, Infrastructure. Track and report on application usage, adoption trends, and user engagement using analytics tools. Measure and report system uptime, availability, SLAs, and service performance trends. Partner with stakeholders to define and monitor adoption success criteria for newly implemented applications. Use telemetry and analytics to identify opportunities for user enablement More ❯