1 to 25 of 825 High Availability Jobs in the UK

Server Architect - Cloud Resilience & High Availability (AWS Focus) London/Hybrid - 3 to 4 days per week onsite £620 per day inside ir35 6 months initial contract - Active SC or DV clearance We are seeking an experienced SQL Server Architect to support a major cloud transformation programme, migrating … premises infrastructure to AWS. The initial engagement will involve an eight-week Proof of Value (PoV), focused on designing, testing and validating SQL Server high availability (HA) and disaster recovery (DR) solutions within AWS. This will include assessing different resilience patterns, failover capabilities, performance and cloud-native services. ...

unprecedented growth in demand for and generation of electricity. To accommodate this growth, the capacity of transmission system is projected to grow three-fold. High voltage direct current (HVDC) transmission systems will play a key role in connecting remote and offshore renewables, interconnecting energy markets and reinforcing AC grids. … creation and presentation of conference papers and act as a validator to ensure that papers prepared by others are relevant, correct and of a high standard Act as a knowledge ambassador, providing technical education to external universities Consult with and support the Chief Engineer’s Office in executing ...

production and non-production environments. This role is responsible for database and application administration, monitoring, performance tuning, maintenance, security, backup and recovery, automation, and high-availability solutions across a global enterprise environment. The ideal candidate has hands-on expertise with Oracle EBS R12.2, Oracle Database 19c, PostgreSQL, troubleshooting … management practices. Administer and troubleshoot Oracle WebLogic Server, Concurrent Manager, Workflow Mailer, and related EBS services. Diagnose and resolve Oracle EBS application, middleware, database, availability, and performance issues. Coordinate EBS deployments and code migrations with application and development teams. Support month-end, quarter-end, and year-end business processing ...

seeking an experienced Network Engineer with strong expertise in enterprise network security and data center networking. The role involves supporting, enhancing, and securing complex, high-availability network environments, as well as leading key initiatives such as upgrades, migrations, and incident resolution. The ideal candidate will have deep hands … security platforms and appliances. Lead network install, upgrade, migration, and decommissioning activities. Handle major network incidents and contribute to root cause analysis documentation. Ensure high availability, performance, and security across distributed environments. Perform packet analysis and advanced troubleshooting using industry‐standard tools. Collaborate with cross‐functional and global ...

customers and partners worldwide. This is a role for someone equally comfortable at the whiteboard and in the rack. You will author the High‐Level and Low‐Level Designs that turn business and customer requirements into resilient, ultra‐high‐availability network infrastructure, and you will then roll … will do: Design and architecture Act as the design authority for Stacuity’s global network, translating business and customer requirements into robust, ultra‐high‐availability infrastructure. Author and deliver High‐Level Design (HLD) and Low‐Level Design (LLD) documentation for network projects, guiding them through internal review ...

messages. Install, configure, administer, and support Oracle WebLogic, IBM WebSphere Application Server, and IBM MQ across Windows and Linux environments. Manage Application Deployments and Availability Deploy and maintain J2EE applications on WebLogic and WebSphere, ensuring high availability, load balancing, failover, and optimal platform performance. Automate Middleware Administration … Linux environments. J2EE Application Administration Experience deploying and administering J2EE applications on WebLogic and WebSphere, including knowledge of application servers such as Apache Tomcat. High Availability and Performance Strong understanding of load balancing, high availability, failover mechanisms, middleware performance optimization, and platform scalability. Scripting and Automation ...

experience. End-to-End Assessment: Evaluate business application dependencies, integrating cloud and on-premises risk assessments; provide recommendations and risk alerts for critical pathways. High-Availability Drills: Conduct high-availability drills with customers under extreme scenarios, simulating failures, practicing failover procedures, and participating in post-drill … cloud migration journey. Well-Architected Support: Support comprehensive optimization aligned with Well-Architected Framework principles, covering security & compliance, operational stability, cost optimization, and high-performance architecture design. Service Assurance Service Management: Establish service and communication channels during cloud adoption; provide tailored support across online, on-site, and multi-project ...

Role Overview You will be joining theApplication Infrastructure DevOps teamsupporting theCiti Finance Application – Finance Full Suite. Our team is directly responsible for the health, availability, scalability, and ongoing modernization of the core application platform that underpins Citi's global financial operations and reporting workflows. Currently, the platform operates across … OpenShift and containerized database/data services to streamline microservice-to-database connectivity and lifecycle management. Ensure Resiliency & Disaster Recovery:Maintain and validate robust High Availability (HA) and Disaster Recovery (DR) frameworks, automated failovers, and backup/restore procedures to meet stringent enterprise finance RTO/RPO targets. ...

resilient architecture designs that support enterprise applications and data platforms. Lead Architecture and Technical Decisions Guide decisions concerning Oracle environments, including database performance, availability, disaster recovery, security, and operational sustainability. Drive Modernization and Cloud Transformation Assess existing architecture and recommend modernization, consolidation, and migration strategies, including Oracle Cloud Infrastructure … Oracle technologies and significant solution or enterprise architecture experience. Strong experience with Oracle Database architecture, including database design, performance optimization, backup and recovery, and high-availability solutions. Oracle Architecture Components Strong understanding of Oracle technologies such as RAC, Data Guard, RMAN, ASM, Exadata, and relevant OCI services. Cloud ...

Lead Developer and existing infrastructure specialists, you will share and progressively take on full operational ownership of our cloud footprint—establishing robust auto-scaling, high-availability, and modern infrastructure-as-code practices. You will bridge the gap between cloud infrastructure and application engineering—ensuring event queues, databases … Lambda, IAM, and VPC networking, alongside ECS/containers) in direct consultation with the Lead Developer, adhering to established system design standards, high availability, and disaster recovery requirements. Collaborate alongside existing infrastructure specialists to capture, map, and record infrastructure knowledge as operational ownership is progressively consolidated in-house ...

Lead Developer and existing infrastructure specialists, you will share and progressively take on full operational ownership of our cloud footprint - establishing robust auto-scaling, high-availability, and modern infrastructure-as-code practices. You will bridge the gap between cloud infrastructure and application engineering - ensuring event queues, databases … Lambda, IAM, and VPC networking, alongside ECS/containers) in direct consultation with the Lead Developer, adhering to established system design standards, high availability, and disaster recovery requirements.* Collaborate alongside existing infrastructure specialists to capture, map, and record infrastructure knowledge as operational ownership is progressively consolidated in-house ...

Database Administrator (DBA) , the primary responsibility is to design, administer, and provide support for database technologies, ensuring customer satisfaction through timely, high-quality delivery aligned to defined service levels, project schedules, and organizational standards. The role requires maintaining and improving SLAs while ensuring compliance with organizational policies, standards … efficiency and service excellence. As part of a global support organization, the individual will leverage industry best practices to support diverse customer environments, maintain high service quality, and contribute to continuous improvement initiatives. The role demands strong technical expertise in IBM z/DB2 infrastructure, collaboration with stakeholders ...

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 ...

days per week on site Job Summary The SQL DBA Engineer is responsible for designing, managing, and optimizing SQL database environments to ensure performance, availability, scalability, and security across business-critical systems. The role combines database architecture, administration, performance tuning, governance, backup and recovery planning, and support for application … database environments for performance, reliability, and scalability Lead database installation, configuration, patching, upgrades, and migration activities Define and implement backup, recovery, disaster recovery, and high-availability strategies Troubleshoot database issues, performance bottlenecks, and system failures Support capacity planning, database health checks, and performance tuning initiatives Ensure database security ...

Plan and execute operating system upgrades and software maintenance activities using SMP/E. Administer and support large-scale Parallel Sysplex environments to ensure high availability and performance. Perform system performance monitoring, capacity planning, and resource optimization. Analyse and resolve complex system-level issues involving z/… security, and operations teams to ensure platform stability. Implement software maintenance, fixes, service packs, and vendor-recommended updates. Support disaster recovery, business continuity, and high-availability initiatives. Maintain system security controls and ensure compliance with organizational standards. Create and maintain technical documentation, procedures, and operational runbooks. Participate ...

Administrator to design, implement, and support database technology within a complex enterprise environment. The role will focus on service quality, SLA improvement, automation, security, high availability, and compliance with established policies and best practices. What you will do: Design and support database technology solutions in line with defined … review, quality-assure, implement, and support application database releases. Implement and manage RACF/ACF2 Db2 security rules and access authorities. Build and maintain high-availability and replication setups while coordinating with application and infrastructure teams. Support data conversion and migration activities. Identify and resolve processing anomalies, system ...

production environments healthy and performant, while simultaneously designing and maintaining the CI/CD pipelines, infrastructure‐as‐code frameworks, and tooling that enable rapid, high‐quality software delivery. You are the connective tissue between engineering, platform, and operations — someone who is equally comfortable in an incident bridge call … production downtime, performance degradation, and security‐related incidents in a timely, structured manner. Perform end‐to‐end operational duties covering application server health, service availability, and platform integrity in accordance with documented processes and runbooks. Review and manage client service request tickets in adherence to defined SLAs, ensuring accountability ...

Fiducia? Competitive salary and stock options Experienced and supportive team members Fast track career development with a forward-thinking company Development of advanced high-impact technology Role Overview We are looking for experienced and highly talented individual to join the Fiducia engineering team in the UK working remotely with … meetings. Our team conducts research and develops all core platform protocols and software components, including the implementation of patent pending architecture to support ultra-high transactional throughput, granular privacy management, fault-tolerance and an optimised infrastructure for the TAG TrustNet distributed network. We are using AWS cloud services ...

resilience, and availability. Troubleshoot and resolve database-related issues in development and production environments. Implement and maintain database security controls, backup strategies, replication, and high-availability solutions. Support change management activities and continuous improvement of data platform services. Develop tools for data-driven insights and task automation Collaborate … Spark, Hadoop, NiFi Exposure to infrastructure scaling e.g. Kubernetes Exposure to Ansible and Terraform Understanding of ML algorithms and deployment Experience with SQL Server high-availability technologies, including replication, mirroring, or clustering. Experience with Windows Server administration. Exposure to PowerShell scripting and automation. Experience working within Agile delivery ...

that underpin large-scale, mission-critical enterprise applications hosted within AWS cloud environments. Initially, you will lead an intensive proof-of-value phase, evaluating high availability and disaster recovery (HA/DR) patterns for SQL Server on AWS. Following successful completion, the role will transition into a longer … complex enterprise environment. Key Responsibilities Design and own SQL Server architecture supporting business-critical enterprise platforms hosted on AWS. Develop and validate High Availability and Disaster Recovery (HA/DR) strategies. Design and implement SQL Server Always On Availability Groups, Failover Cluster Instances (FCI), and other resilience ...

Umbrella Job Description: Maintenance & Optimization: Perform regular database maintenance activities and optimize database resources to ensure stability and efficiency. Observability & Reporting: Monitor database health, availability, and capacity, and provide regular operational and performance reports. Disaster Recovery & High Availability: Manage and validate disaster recovery and high availability ...

operational platforms, covering both cloud‐hosted and on‐premises environments. The role includes deploying new infrastructure solutions, maintaining and improving existing platforms, monitoring availability and performance, carrying out preventative maintenance and resolving complex infrastructure faults. You will work closely with other infrastructure, security, network and application teams to deliver … access management S3 and cloud storage services AWS backup, recovery and resilience CloudWatch, logging, alerting and monitoring AWS Systems Manager Load balancing and high‐availability architectures AWS security services and security best practices Connectivity between AWS and on‐premises environments Migration or transformation of workloads between datacentre ...

pipelines across our digital and broadcast platforms. The successful candidate will play a key role in enabling continuous delivery, improving system reliability, and supporting high-profile clients and live event services, ensuring optimal performance and resilience across all environments. Key Responsibilities and Accountabilities Design, build, and maintain scalable cloud … efficient, reliable software delivery across multiple teams. Automate infrastructure provisioning using Infrastructure as Code tools such as Terraform, CloudFormation, or similar. Monitor system performance, availability, and reliability using observability tools such as Prometheus, Grafana, and ELK stack. Ensure high availability and disaster recovery strategies are in place ...

Server environments hosted on AWS, including EC2 and/or RDS. Evaluate database sizing, storage, infrastructure performance and cost efficiency. Maintain backup, recovery, high availability and disaster recovery processes. Support SQL Server Always On Availability Groups and relevant AWS resilience configurations. Lead technical investigations during database performance … environments, ideally EC2 and/or RDS. Understanding of AWS infrastructure, storage and networking considerations affecting database performance. Experience with database backup and recovery, high availability and disaster recovery. Familiarity with Always On Availability Groups and/or AWS Multi-AZ configurations. Experience planning for database scalability ...

management to ensure stability, security, performance and audit readiness in regulated environments. They own major Linux incidents and root-cause analysis, advising on clustering, high availability, disaster recovery configurations, kernel tuning, storage integrations and network dependencies. They automate operations using advanced shell scripting and infrastructure-as-code, approve … high-risk changes following review, and mentor junior engineers to build capability and consistency. Bridging operations and engineering, they support lifecycle planning, platform modernisation and integration with automation, monitoring and configuration management tools. They partner with security and compliance teams to enforce enterprise hardening standards and maintain audit-ready ...