16 of 16 High Availability Jobs in the City of London

seamless operations. Work with virtual cloud firewall appliances (e.g., CheckPoint, Cisco) to ensure network security. Implement and manage routing protocols such as BGP and OSPF, with a focus on high-availability designs. Ensure adherence to software engineering best practices, including unit testing, code reviews, and troubleshooting. Support infrastructure-as-code practices using tools like Terraform, Pulumi, and GitOps … in virtual cloud firewalls (CheckPoint, Cisco) and cloud security best practices. Strong Python programming skills for automation, API integration, and orchestration. Proven knowledge of routing protocols (BGP, OSPF) and high-availability architecture. Hands-on experience with Infrastructure-as-Code tools (e.g., Terraform, Pulumi) and GitOps methodologies. Expertise in software engineering practices: unit testing, code reviews, documentation, debugging, and More ❯

seamless operations. Work with virtual cloud firewall appliances (e.g., CheckPoint, Cisco) to ensure network security. Implement and manage routing protocols such as BGP and OSPF, with a focus on high-availability designs. Ensure adherence to software engineering best practices, including unit testing, code reviews, and troubleshooting. Support infrastructure-as-code practices using tools like Terraform, Pulumi, and GitOps … in virtual cloud firewalls (CheckPoint, Cisco) and cloud security best practices. Strong Python programming skills for automation, API integration, and orchestration. Proven knowledge of routing protocols (BGP, OSPF) and high-availability architecture. Hands-on experience with Infrastructure-as-Code tools (e.g., Terraform, Pulumi) and GitOps methodologies. Expertise in software engineering practices: unit testing, code reviews, documentation, debugging, and More ❯

businesses. The Role Hiring a Senior Fullstack Engineer to build scalable Java microservices for core banking platforms. Take ownership of key components and work with a talented team on high-performance financial solutions. What you'll do as a Senior Fullstack Engineer: Design and develop Java microservices (Spring Boot, Hibernate/JPA) for backend systems Build cloud-native solutions … using Java integrated with banking platforms Develop full-stack features with JavaScript frameworks (Angular) Champion CI/CD, TDD/BDD, and engineering best practices Optimize Java applications for high-volume, high-availability systems What You Need 5+ years experience as a Software Engineer with strong Java/J2EE expertise (Java 8+, Spring, Hibernate) Frontend Angular experience More ❯

to our customer sites. How we work A team of self-motivated individuals with the ability to work unsupervised supporting a mission critical service. Working to towards a 99.999% availability, our collaborative team follows a DevOps approach to provide a service with constantly evolving priorities and growing customer base. As a team, we are working on the goal of … Directory (ADFS, domain management, users/groups, policies, certificates etc.) Infrastructure management and maintenance (COTS hardware & Virtualisation - VMware, Hyper-V) Good knowledge and experience of ITIL Experience of managing high availability environments and systems or with similar critical infrastructure delivery experience. Highly attentive with the ability to deal with changing priorities and context switching. A positive attitude to 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 … with automating alert systems. 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 More ❯

regulations (e.g., FCA, GDPR). Collaborate with stakeholders to understand business requirements and translate them into technical solutions. Lead cloud migration projects and modernisation initiatives across financial platforms. Ensure high availability, disaster recovery, and data security in all cloud architectures. Provide technical leadership and mentoring to development and infrastructure teams. Develop infrastructure as code (IaC) using tools like More ❯

implement VMware-based infrastructure to support multiple VMs across various environments. Build, configure, and maintain virtual machines using vSphere, ESXi, and vCenter. Optimize VM performance and resource allocation. Ensure high availability, scalability, and disaster recovery capabilities. Monitor system health and troubleshoot issues related to virtualization. Collaborate with network, storage, and security teams to ensure seamless integration. Maintain documentation … Horizon. Knowledge of containerization technologies (e.g., Docker, Kubernetes). Scripting skills for automation and orchestration. All profiles will be reviewed against the required skills and experience. Due to the high number of applications we will only be able to respond to successful applicants in the first instance. We thank you for your interest and the time taken to apply More ❯

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

that’s 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 ❯

Strong knowledge of networking principles (TCP, UDP, multicast) and experience designing for resilience, throughput, and low-latency data distribution. Expertise in distributed computing and system architectures, including microservices and high-throughput, low-latency systems. Strong knowledge of data architecture and database design, with experience across relational, time-series, and high-availability database environments. Understanding of on-premises … AWS, OpenShift). Demonstrated ability to work within Agile/Scrum SDLC, translating business objectives into actionable user stories and robust technical deliverables. Proven ability to produce and maintain high-quality technical documentation and API specifications suitable for both engineering and client consumption. Desirable Experience working with an electronically traded asset class. Strong business and technical understanding of exchange More ❯

A10 Network Engineer (DV/SC Cleared) We are seeking an experienced A10 Network Engineer for a 6 month contract, inside IR35, supporting high-security environments. Youll be working on complex network infrastructure, primarily focused on A10 Networks Application Delivery Controllers (ADCs) and security solutions. This role demands a hands-on engineer with a solid understanding of high availability, load balancing, and Layer 4-7 traffic management, ideally within secure, mission-critical environments. Key Responsibilities: Configure, deploy, and manage A10 Thunder Series devices (ADC, CGNAT, SSLi, etc.) Perform system integrations, upgrades, and troubleshooting within live network environments Design and implement network solutions tailored for performance, resilience, and security Collaborate with cybersecurity, DevOps, and infrastructure teams to More ❯

Systems Software Engineer (Python) Are you a top-tier Software Engineer with a passion for high-performance systems and a knack for solving complex infrastructure challenges? We are seeking an elite developer to join a rapidly growing, highly respected HFT company that operates at the cutting edge of its industry. This isn't a typical infrastructure support role. Our … core member of an infrastructure engineering team, focusing on developing, maintaining, and scaling the critical systems that power operations. Your primary tool will be Python, used to build robust, high-availability solutions that support their technology ecosystem. What We're Looking For: We are specifically targeting engineers who possess a world-class blend of software development and systems …/Tier-2 technology company known for demanding technical standards. Proven ability to tackle and resolve deep, complex infrastructure and OS-level issues. If you have a background in high-speed, data-intensive environments-including highly performant infrastructure in tech, gaming, or financial trading, we want to hear from you. Why Join? This is a chance to step into More ❯

music industry, is seeking .NET Developer to work out of their plush offices in the heart of London's West End. You will be working on the development of high-availability and highly-transactional .NET/C# applications which will be critical to the launch of their new online music shopping channel. We are seeking .NET Developer candidates More ❯

London Salary: £80,000 - £85,000 This is a wonderful opportunity to join my client, an industry-leading, eco-conscious Technology Company renowned for lending their expertise to providing high-tech solutions to the environmental sector. They are searching for a capable, dedicated Senior Full Stack Systems Developer with knowledge of, and a particular passion for, the environment. The … experience of working with Human Computer Interaction (HCI) in Software Systems, including Machine-to-Machine Automation Technologies Highly-proficient in Software System Design, Development, Testing, and Deployment Strategies for High Availability Desirable skills and experience for the role of Senior Full Stack Systems Developer include: Experience of developing software products for use within a Water/Hydrological Environment More ❯

in design and implementation of networks in a large user environment - Strong Cisco background (ideally CCNP/CCIE) - Knowledge of Layer 2 LAN technologies (VLANs, VTP, STP) - Understanding of high availability technology (VPC, SVL, HSRP) - Routing protocols - SDWAN technologies - CIsco Wireless technology More ❯

sector where technology underpins every business decision.This leadership role centres around shaping and executing infrastructure strategy across a diverse technology estate. You’ll be the go-to expert for high-level technical escalations, ensuring systems are secure, scalable, and aligned to business needs. From disaster recovery planning to capacity management, your influence will span both operational delivery and strategic … and ensure readiness for disruption through tested recovery frameworks. Cross-Functional Collaboration: Work closely with project managers, vendors, and internal teams to deliver seamless infrastructure solutions. This is a high-trust, high-impact role for someone who thrives in a fast-paced, regulated environment and wants to shape the future of enterprise IT. Core Responsibilities: Architect and deliver … infrastructure strategies that support business agility and long-term growth. Evaluate emerging technologies and drive adoption where they enhance performance and security. Lead and develop a high-performing technical team, ensuring continuous improvement and capability uplift. Manage relationships with clients and vendors, ensuring alignment with service expectations and governance standards. Oversee infrastructure-related projects, ensuring timely delivery and technical More ❯