1 to 25 of 62 Permanent High Availability Jobs in London

across the UK and internationally. The successful candidate will play a key role in maintaining, optimising and supporting critical database and infrastructure environments, ensuring high availability and performance across both internal systems and customer platforms. The Role As a Database Infrastructure Engineer, you will be responsible … database environments, alongside wider infrastructure and virtualisation technologies. Working within a collaborative technical team, you will support systems that operate 24/7, implementing high availability, replication and backup strategies whilst contributing to ongoing infrastructure improvements and customer projects. Key responsibilities include: Administering and performance tuning Microsoft ...

stability, scalability, and automation of our cloud-based production environments and play a key role in ensuring our services are reliable and high-performing. You’ll support system availability, monitoring, alerting, SLOs/SLIs and incident response; deploy and manage containerised applications, contribute to CI/… return to work, and a contributory pension scheme with a generous employer contribution.In this role you’ll:Maintain and support production systems to ensure high availability, reliability and scalability.Implement SRE practices, including monitoring, alerting, SLOs, SLIs and incident response.Deploy, configure and manage containerised applications using Docker and Kubernetes.Develop ...

virtualisation, backup, networking, monitoring, and security. The successful candidate will act as a senior technical escalation point, lead technical discovery and solution delivery, maintain high-quality documentation, and drive service reliability and continuous improvement. Due to the nature of the customer environments supported, candidates must be eligible to obtain … monitoring, and cloud-related incidents and service requests. Support, administer, troubleshoot, and improve Microsoft Exchange Server, hybrid Exchange, Exchange Online, migrations, mail flow, security, availability, and disaster recovery. Support and optimise Citrix environments, including Virtual Apps and Desktops, StoreFront, Delivery Controllers, Citrix Gateway or ADC, profile management, application delivery ...

virtualisation, backup, networking, monitoring, and security. The successful candidate will act as a senior technical escalation point, lead technical discovery and solution delivery, maintain high-quality documentation, and drive service reliability and continuous improvement. Due to the nature of the customer environments supported, candidates must be eligible to obtain … monitoring, and cloud-related incidents and service requests. Support, administer, troubleshoot, and improve Microsoft Exchange Server, hybrid Exchange, Exchange Online, migrations, mail flow, security, availability, and disaster recovery. Support and optimise Citrix environments, including Virtual Apps and Desktops, StoreFront, Delivery Controllers, Citrix Gateway or ADC, profile management, application delivery ...

development teams to review T-SQL, stored procedures and database design decisions. Provide practical guidance to developers on writing efficient T-SQL and implementing high-performing database solutions. Performance Tuning and Optimisation Proactively monitor database workloads, identify performance bottlenecks and resolve complex database issues. Analyse execution plans and optimise … health and performance of the SQL Server estate. Manage day-to-day operational activities, monitoring, patching and database lifecycle management. Maintain the reliability and availability of business-critical production systems operating 24/7/365. Azure and Hybrid Cloud Infrastructure Administer and optimise SQL Server workloads across Azure ...

vSphere environments, including ESXi, vCenter, clusters, virtual machines and templates. Manage VMware HA, DRS, vMotion, Storage vMotion, resource pools and lifecycle management. Maintain platform availability, performance, security, upgrades and patching. Support VDI environments built on vSAN. Compute & Storage Support physical compute infrastructure and hardware lifecycle management. Manage server firmware … Recovery & Resilience Ensure virtual infrastructure is recoverable, resilient and appropriately protected. Support backup platform integration, snapshot governance, disaster recovery testing and recovery exercises. Maintain high-availability and business continuity requirements. Monitoring, Capacity & Automation Monitor infrastructure health, performance, utilisation and capacity. Develop monitoring, alerting and operational dashboards. Automate infrastructure ...

build for travelers everywhere. The teamAs a Fullstack 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, London, and Madrid. 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 ...

About the Role As an S/4 Senior Basis Consultant, you will design, implement, and maintain complex SAP S/4HANA systems, ensuring high performance, availability, and alignment with enterprise architecture standards. You will lead technical teams across system administration, database management, cloud migration, and integration strategy … installation, configuration, and maintenance of SAP S/4HANA, SAP HANA databases, and associated SAP cloud and on-premise components. Manage system performance tuning, high availability/disaster recovery setup, and lifecycle upgrades/system copies across complex landscape topologies. Collaborate with cloud providers (AWS, Azure, GCP), functional ...

mitigation, and business alignment.Define platform capabilities for compute, storage, networking, identity, and data services across hybrid environments.Enable AI‐ready infrastructure designs including GPU integration, high-performance networking, and scalable storage tiers.4. Security, Zero Trust & ComplianceEmbed Zero Trust principles across hybrid cloud—identity, segmentation, encryption, and posture control.Align infrastructure with … prem: IAM, PAM, KMS, certificates, secrets management.Partner with security architects to ensure platform designs meet enterprise security requirements.5. Resilience, Observability & Performance EngineeringArchitect high‐availability and disaster recovery models across hybrid environments.Define availability zones, failover strategies, multi‐region patterns, and RTO/RPO targets.Implement full‐stack observability: logging ...

handling. Network and application platforms such as load balancers, reverse proxies, firewalls, web servers and databases. HSMs, KMS, secrets-management platforms & privileged access controls. High availability, disaster recovery, monitoring, logging & IT service-management integration. Qualifications Essential or strongly preferred: relevant vendor implementation certification for the selected CLM platform … remediation priorities. Strong written and verbal communication, including technical workshops and senior stakeholder updates. Good planning, prioritisation and dependency management across multiple onboarding waves. High-quality technical documentation and knowledge transfer. TPBN1_UKTJ ...

first-line engineering support through a globally distributed follow-the-sun support model, ensuring timely incident response and resolution.Monitor and improve system health, availability, performance, and reliability through observability, alerting, and proactive operational practices.Independently troubleshoot production incidents, perform root cause analysis (RCA), and implement preventive measures to reduce recurring … such as Prometheus, Grafana, Datadog, or similar platforms.Solid understanding of incident management, troubleshooting methodologies, root cause analysis, and production support practices.Familiarity with distributed systems, high availability, scalability, and reliability engineering principles.Experience identifying operational inefficiencies and implementing automation or process improvements.Strong analytical, problem-solving, and troubleshooting skills, with ...

expected to maintain a broad technical knowledge across all major cloud platforms and build credibility by pursuing relevant certifications. Key Responsibilities Delivery of high quality cloud-based technical solutions for our clients: Act in a leadership capacity in cross-functional teams, particularly those where cloud engineering functionality forms … streamline application deployments Monitor cloud infrastructure for performance bottlenecks and proactively optimise resource usage Implement load balancing, caching, and content delivery solutions to ensure high availability and performance Design and maintain backup and disaster recovery solutions to ensure business continuity in the event of system failures or data ...

leased/colocation data centers They co-ordinate with AWS DCEO (Data Center Engineering Operations) teams to implement new builds, upgrades etc and ensures high availability and high resiliency of these control systems. Ascertain customer needs to help develop project scope and specifications. Manage scopes of work ...

Terraform and AWS CDK.Set standards: Define repository, branching, code quality and automation standards across teams.Design for resilience: Partner with architects and developers on scalability, high availability, disaster recovery and multi-region design.Drive observability: Lead best practices for monitoring, logging, tracing and alerting.Improve operations: Take part in incident response ...

ensuring our critically important database systems are secure, scalable, and reliable. You'll join a world-class team, applying your expertise to support the high-traffic, data-intensive workloads that power our popular gaming platforms. This is an outstanding chance to create a significant impact within an ambitious … technical authority for MySQL, partnering closely with Architecture, Engineering, Data Science, and SRE teams to ensure our databases can safely scale to meet high-traffic, data-intensive workloads. Key Responsibilities Database Architecture & Scalability Own and evolve the architecture of high-performance, highly available MySQL platforms supporting production game ...

frameworks (e.g., Cucumber, FitNesse).Trading Domain Knowledge (Preferred): Front-office trading familiarity across FX, Rates, or Commodities (pricing, order execution, risk management).Non-Functional & High-Performance Testing: Experience with performance, resilience, and NFT in high-volume, low-latency, and high-availability environments.CI/CD, Unix & Tooling ...

passionate about building and operating highly scalable database platforms? Have you administered and optimised mission-critical PostgreSQL environments in cloud-first organisations, ensuring performance, availability and resilience at scale? Can you demonstrate broad technical knowledge across Platform Engineering, DevOps and Infrastructure, alongside experience with automation and scripting using Python … Engineering, Platform Engineering, DevOps or Infrastructure roles with a strong focus on database administration. You'll possess deep expertise in PostgreSQL , including performance tuning, high availability, replication and operational support within Azure-based environments. You will have strong Linux systems administration skills, experience with database automation and infrastructure ...

management, and preferred work experience in batch processing. As a Senior Java Developer, you will play a crucial role in designing, developing, and maintaining high-performance applications that meet our business needs. Key Responsibilities: Design and Development:Design and development of robust, scalable, and efficient Java applications. AWS Integration … Utilize AWS services to build and deploy cloud-based solutions, ensuring high availability and scalability. Database Management:Design, implement, and maintain database schemas, write complex SQL queries, and optimize database performance. Batch Processing:Develop and manage batch processing systems to handle large volumes of data efficiently. Code Quality ...

management, and preferred work experience in batch processing. As a Senior Java Developer, you will play a crucial role in designing, developing, and maintaining high-performance applications that meet our business needs. Key Responsibilities: Design and Development: Design and development of robust, scalable, and efficient Java applications. AWS Integration … Utilize AWS services to build and deploy cloud-based solutions, ensuring high availability and scalability. Database Management: Design, implement, and maintain database schemas, write complex SQL queries, and optimize database performance. Batch Processing: Develop and manage batch processing systems to handle large volumes of data efficiently. Code Quality ...

based identity providers. Drive AD modernisation towards a strategic, cloud-based identity foundation, reducing legacy dependencies while maintaining operational stability. Ensure directory services meet high availability, performance, and security standards across global BCG offices and hybrid environments. Embed automation into directory lifecycle management, provisioning, and group policy governance. … rationalise the identity tooling landscape, ensuring the portfolio is coherent, integrated, and aligned with future-state architecture. Leadership & Talent DevelopmentBuild and lead a high-performing, globally distributed Identity Security team across Directory Services, PAM, IGA, and Secure Data disciplines. Foster a culture of automation-first engineering, continuous learning ...

Kafka KRaft or ZooKeeper-backed if legacy), Confluent Platform components (Schema Registry, Kafka Connect, ksqlDB, REST Proxy, Control Center), and Confluent Cloud resources. Ensure high availability (HA) and resilience across multi AZ/region deployments; manage partition replication, min.insync.replicas (ISR), and rack awareness. Implement and maintain client quotas ...

Hybrid Permanent - £85K - £100K + Bonus + Full Benefits Financial Services Firm is hiring for an experienced Python Application DevOps Engineer to join a high-performing engineering team supporting critical technology platforms. This is a hands-on role focused on Python automation, production stability, application resilience and continuous improvement … within a complex, high-volume technology environment. You will work across application, infrastructure and engineering teams to improve the reliability, scalability and operational performance of business-critical platforms. Responsibilities: * Develop Python-based automation and tooling to improve operational efficiency. * Support and enhance critical production applications and services. * Drive improvements ...

Technology Engineering team, designing, building and maintaining modern, scalable .NET applications. You’ll work closely with engineers, product and business teams to deliver high-quality solutions using C# and .NET, build APIs and microservices, and explore opportunities to integrate emerging AI technologies into our systems and processes. This … develop your expertise across both software engineering and AI within a supportive, innovative and forward-thinking environment.Your responsibilities will includeDesigning, developing and maintaining scalable, high-availability applications using C# and .NET.Building RESTful APIs and microservices that integrate effectively across our technology landscape.Collaborating with Engineering, Product and business teams ...

hybrid working mode. In this role, you will support mission-critical derivatives trading systems and Real Time market data platforms, ensuring high availability, resilience and compliance with industry regulations. You will work closely with global partners, trading desks and engineering teams to implement best-in-class deployment practices … deployment automation processes for mission-critical systems Operational experience with OMS/EMS platforms (such as TT, Bloomberg, NYFIX) Strong incident management capabilities in high-pressure environments Excellent analytical and problem-solving skills with a proactive approach Nice to have Experience in commodity trading and supply operations, ideally within ...

enterprise virtualisation estate. In this role, you will lead the design, implementation, optimisation, and lifecycle management of core VMware platforms, balancing high-availability operational support with strategic modernisation initiatives. Key Responsibilities Platform Ownership: Design, administer, and optimise core VMware infrastructure platforms, including vSphere, ESXi, vCenter, and VMware Cloud ...