1 to 25 of 87 High Availability Jobs in London

team. This is a key role with responsibility for the design, delivery, and ongoing support of a global enterprise network , working in a complex, high-availability environment. You will play a pivotal role in modernising network infrastructure , driving technical improvements, and providing senior-level support across the organisation. … switching, firewall, and SD-WAN solutions Integrate switches, routers, wireless controllers, SDN, load balancers, NAC servers, and cloud platforms Ensure network security, resilience, and high availability across global environments Skills & Experience Required Proven experience designing and implementing networks in a large user or enterprise environment Strong Cisco background ...

fast-growing London-based FinTech firm building secure, scalable, and high-performance financial platforms that power digital payments, lending, and real-time financial services. As they scale the platform and expand their product offerings, they are looking for a Senior DevOps Engineer to play a key role in shaping … secure, resilient, and compliant with financial regulations. This is a hands-on technical role with strategic influence — ideal for someone who thrives in high-availability, high-security environments and enjoys mentoring others. Key Responsibilities Design, build, and maintain scalable cloud infrastructure (AWS) Lead Infrastructure as Code initiatives ...

IaaS experience and strong FinOps discipline . This role owns the network‐first, cost‐aware infrastructure architecture for SAP workloads on Azure, ensuring secure, high‐performance, highly available, and financially optimized Azure environments. The architect will design enterprise Azure networking , lead SAP migrations to Azure IaaS , and apply FinOps … Cost‐Aware) Architect enterprise‐scale Azure IaaS platforms for SAP workloads Design and govern: SAP‐certified Azure Virtual Machines Managed disks (Premium/Ultra) Availability Sets and Availability Zones Own infrastructure sizing, capacity planning, and performance tuning for SAP HANA Define OS‐level standards (Linux/Windows ...

Location: London (Hybrid) Type: Permanent Industry: High-Performance Trading/Financial Markets About the Company Immersive Finance provides institutional-grade risk infrastructure for digital asset derivatives. Our team comprises seasoned traders, quantitative researchers, and technologists with decades of experience at leading buy- and sell-side institutions. We specialise … delivering production code. 5-10 years in Finance or Trading Systems. Advanced C++ skills. Strong Python engineering experience. Strong understanding of databases (SQL and high-performance solutions). Expertise in building and supporting high-availability , mission-critical systems . Desireable Experience building and deploying docker containers. Experience ...

across Azure and Microsoft SQL platforms for a growing SaaS client of ours. The position supports the wider DevOps objectives by ensuring the security, availability, integrity, and end-to-end support of database services. Working as part of a DevOps team, the role is responsible for both on-premise … based database systems, including both vendor-supplied and internally developed solutions Design and implement tactical and strategic database solutions with a focus on scalability, availability, performance, and resilience Proactively monitor the SQL Server estate to ensure high availability and optimal performance Provide operational support to internal stakeholders ...

lookout for a skilled Sybase Database Administrator (DBA) to join us on a contract basis. If you thrive in high-stakes environments and have a passion for database management, we want to hear from you! Key Responsibilities: Installing, configuring, and maintaining Sybase ASE and Replication Server environments. Managing database … resource allocation. Diagnosing and resolving blocking, deadlocks, contention, and execution plan issues. Maintaining and improving backup and recovery strategies using Sybase Backup Server. Supporting high-availability and replication architectures, including DR environments. Conducting regular recovery testing and ensuring compliance with DR procedures. Providing L2/L3 support ...

Location -London, UK Onsite role- 5 days from office Job Description We are seeking a Contact Center Engineer/Senior SME to own high‐severity, complex, and business‐critical incidents across Genesys Cloud CX and Cisco Unified Contact Center Enterprise (UCCE) platforms supporting mission‐critical enterprise Voice Network. This … guide platform stability initiatives, and mentor Level‐2 engineers. Key Responsibilities Incident & Problem Management (Genesys Cloud CX & UCCE) Act as L3 escalation for all high‐severity P1/P2 contact center incidents across Genesys Cloud CX and Cisco UCCE. Lead technical triage, incident bridges, and resolution strategy during major ...

managed services, automated and auditable deployment pipelines, secrets management Nice to Have Financial services, trading, or capital markets - operational security in a regulated, high-availability, zero-downtime-tolerance environment Zero-trust architecture: BeyondCorp, Zscaler, or equivalent; conditional access policy design and implementation DDoS mitigation, BGP security, and network … managed services, automated and auditable deployment pipelines, secrets management Nice to Have Financial services, trading, or capital markets - operational security in a regulated, high-availability, zero-downtime-tolerance environment Zero-trust architecture: BeyondCorp, Zscaler, or equivalent; conditional access policy design and implementation DDoS mitigation, BGP security, and network ...

dynamic IT infrastructure team. You will play a key role in maintaining, securing, and optimising the organisation’s network and virtual infrastructure environment, ensuring high availability, performance, and resilience across business-critical systems. This role offers a mix of BAU support and project-based work, including infrastructure upgrades … security best practices across network and virtual environments Provide 2nd/3rd line support for infrastructure and network incidents Support backup, disaster recovery, and high-availability configurations Maintain infrastructure documentation, diagrams, and configuration standards Contribute to infrastructure transformation and cloud integration initiatives Required Experience Proven experience ...

Duration: 6 months initially Your New Role We are seeking a Senior Network Engineer with strong experience in broadcast IP environments to join a high-performance infrastructure team. This role will focus on the design, implementation and ongoing support of highly available network infrastructure supporting live broadcast and production … Arista hardware is essential. Your Responsibilities Network Design and Implementation * Design, deploy, configure and maintain scalable and resilient LAN, WAN and WiFi infrastructure. * Ensure high availability and performance across all network services supporting critical operations. Broadcast and AV Integration * Support IP based and cloud-based broadcast workflows. * Ensure ...

Admin Location: Edinburgh or Ireland or London (Hybrid-2/3 days from office) 6 months contract position Role description: The ideal candidate ensures high availability and optimal performance of the DB2 subsystem. This role requires deep technical knowledge of SMP/E, z/OS internals … monitoring. Security : Implement and manage DB2 security using RACF, ACF2, or Top Secret. Key skills/knowledge/experience: The ideal candidate ensures high availability and optimal performance of the DB2 subsystem. This role requires deep technical knowledge of SMP/E, z/OS internals, and third ...

more open world. Join us. The team As native engineer in the Product Experience team, you will be responsible for building and maintaining our high-availability, high-transactional Property Detail Pages on the app. You will be part of a multi-functional team of Product Managers, TPMs … Engineering Managers, and Software Engineers based in Gurgaon, Bangalore, and London. We prioritise building high-quality software with a focus on availability, performance, scalability, and system resiliency. Our London team is looking for curious, empathetic, and creative problem solvers with a growth mindset. We value our team culture ...

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 ...

days onsite/2 days remote) I'm partnering with a leading multinational investment management firm seeking a strong C# Developer to join a high-performing engineering team delivering business-critical platforms. This role requires someone confident with strong communication skills to engage directly with stakeholders, shaping requirements … working on: Real-time asset tracking platforms integrating external data sources (e.g. Bloomberg, Refinitiv, Morningstar, market data feeds, pricing & risk engines) High-availability, high-quality distributed applications Enhancing systems that model financial positions, transactions and flows Driving projects from inception through design, build, testing and release Core ...

entire infrastructure stack; from CI/CD pipelines to production deployments, from infrastructure orchestration to security governance. You’ll be part of a high-powered team located in London. You will build robust systems, move quickly, but be ready to scale and ensure production-grade reliability as our product … Prometheus, Grafana, CloudWatch, Datadog, Sentry) to ensure system reliability and rapid incident response. • Establish SLOs/SLIs and implement observability best practices to maintain high availability and performance. • Lead incident response, root cause analysis, and implement preventive measures to improve system resilience. Security & Governance: • Implement and maintain security ...

week in the office (base office can be London or Leeds) Please note: An active SC Clearance is required for this role Our high-profile Banking client is seeking a highly skilled Senior DevOps Engineer to join the team responsible for the Bank's Real-Time Gross Settlement (RTGS … Strong production support experience, including on-call and OOH releases. Significant hands-on experience with on-prem Kubernetes/OpenShift. Linux systems administration in high-availability environments. Infrastructure as Code using Terraform, with CI/CD integration (Jenkins). Deep understanding of observability tooling: ELK, Splunk, Prometheus, Grafana. ...

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 ...

/Fintech About BTCC Founded in 2011, BTCC is one of the world’s longest-running cryptocurrency exchanges, committed to delivering secure, transparent, and high-performance digital asset trading infrastructure. With more than a decade of operational excellence in global crypto markets, BTCC continues to scale its technology stack … skills and ability to collaborate effectively with internal teams and external stakeholders. Excellent team player with the ability to work in a fast-paced, high-availability environment. Proficiency in Mandarin (verbal and written) is mandatory. Why BTCC? At BTCC, you will work at the forefront of blockchain infrastructure ...

countries within key global markets. About the Role We are looking for an experienced OpenShift Site Reliability Engineer (SRE) to ensure the reliability, availability, and performance of enterprise‐grade OpenShift‐based virtualized and container platforms. This role focuses on automation, secure service design, and cross‐team collaboration across Applications … outages, enforce SRE best practices, and participate in an on‐call rotation. Primary Responsibilities Manage and optimize OpenShift and container/virtualization platforms for high availability and performance. Collaborate closely with multiple technical teams to deliver scalable, secure solutions. Design secure cloud‐native service architectures with automation-first ...

controls, ensuring secure and resilient network operations across enterprise environments. This role is hands-on, need to be comfortable working in complex, regulated, or high-availability environments, partnering with infrastructure, networking, and SOC teams to deliver robust security outcomes. Key Responsibilities: Palo Alto Administer, configure, and support Palo ...

prem Kubernetes/OpenShift deployments Hands on contribution to DevOps tooling upgrades, issue resolution, and roadmap driven improvements Linux systems administration experience in high availability production environments Infrastructure as Code using Terraform, integrated with CI/CD pipelines (Jenkins) Automation first mindset across build, deployment, CI/ ...

Design, implement, and maintain robust, secure, and scalable network infrastructure solutions? Are you able to ensure high availability, performance, and security of bpha's network systems while mentoring junior staff and collaborating across IT teams? Then we want to hear from you! We're looking for someone … standards. Implement and manage network security measures (firewalls, VPNs, IDS/IPS). Configure and maintain routers, switches, wireless systems, and firewalls. Deploy scalable, high-performance network solutions with minimal downtime. Conduct regular network maintenance, updates, and upgrades. Perform security audits and vulnerability assessments. Respond to and mitigate network ...

prospective customers (new logos). Engage with stakeholders from C-level executives to technical engineering teams , translating complex technical and business requirements into high-level and detailed technical architectures. Provide expert consultancy on network strategy, transformation roadmaps, best practices, and emerging technologies. Build strong, long-term relationships that support … security technologies. Ensure all designs are scalable, resilient, secure, and aligned to customer requirements, technical strategy, and industry best practices Lead creation of high-quality architectural documentation, including HLA, HLD, LLD, standards, and design patterns. Ensure designs align with industry best practices, compliance requirements, and customer governance processes. ...

prospective customers (new logos). Engage with stakeholders from C-level executives to technical engineering teams, translating complex technical and business requirements into high-level and detailed technical architectures. Provide expert consultancy on network strategy, transformation roadmaps, best practices, and emerging technologies. Build strong, long-term relationships that support … security technologies. Ensure all designs are scalable, resilient, secure, and aligned to customer requirements, technical strategy, and industry best practices Lead creation of high-quality architectural documentation, including HLA, HLD, LLD, standards, and design patterns. Ensure designs align with industry best practices, compliance requirements, and customer governance processes. ...

Optimization (PTO) Must have in-depth experienced, Manage SQL Server databases, Configure and maintain database servers and processes, Backups, restores and recovery models. High Availability (HA) and Disaster Recovery (DR) options for SQL Server and experience with Windows server, including Active Directory Monitor system’s health and performance … including ensure high levels of performance, availability, sustainability and security Analyze, solve, and correct issues in real time and Refine and automate regular processes, track issues, and document changes Assist developers with query tuning and schema refinement Provide 24×7 support for critical production systems Perform scheduled maintenance ...