1 to 25 of 91 High Availability Jobs in the South East

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 ...

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 ...

WebLogic, Oracle HTTP Server (OHS), Forms, Reports, Concurrent Managers, and Workflow. Oversee context file management, AutoConfig maintenance, and system integration points. 2. Database Administration & High Availability Configure, maintain, and tune high-availability Oracle Databases supporting EBS (including Oracle RAC). Execute database cloning, upgrades, patching ...

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 ...

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 ...

error budgets across critical services. Apply resilient design patterns, including multi-region failover, active-active architectures, circuit breakers and bulkheads. Ensure platforms support high availability, fault tolerance and disaster recovery in line with financial market uptime requirements. Investigate platform failures, performance bottlenecks and systemic issues across complex, multi … solving mindset and a focus on reliability and continuous improvement. Preferred Experience Financial services or other data-intensive, regulated industries. Multi-region AWS architecture, high availability and mission-critical applications. Chaos engineering practices and resilience testing. AIOps and intelligent automation frameworks. ...

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 ...

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 ...

Oracle Apps DBA to manage, maintain, and optimise mission-critical Oracle E-Business Suite (EBS R12) environments and underlying databases. In this hands-on, high-impact technical role, you will take ownership of cross-layer troubleshooting spanning application, database, operating systems, and infrastructure. You will play a key part … maintaining system performance, security, and high availability, while actively contributing to major cloud migration initiatives (OCI/Azure). Key responsibilities EBS & Database Lifecycle: Maintain, update, copy, and refresh core Oracle systems across test, development, and live 24/7 production environments. Core Apps Administration: Manage key system ...

private cloud) supporting mission-critical workloads. Architect virtualisation solutions, containerisation strategies and orchestration platforms. Design disaster recovery, business continuity and resilience architectures meeting availability requirements. Guide infrastructure modernisation programmes, legacy system migrations and technology refresh initiatives. Ensure infrastructure designs comply with security requirements, Classification Guides and defence standards. Technical … implementing enterprise-scale infrastructure platforms. Strong background in cloud architecture (AWS, Azure, or equivalent) and hybrid infrastructure models. Demonstrated experience with virtualisation, storage and high-availability infrastructure design. Track record of leading infrastructure modernisation programmes and technology transformation. Experience in defence, aerospace or government IT environments. Deep expertise ...

contributing to wider data platform modernisation initiatives. Key responsibilities include: Managing SQL Server databases across on-premise, Azure SQL and managed database services. Ensuring high availability, performance optimisation, backup, recovery and disaster recovery. Supporting database upgrades, migrations and cloud modernisation projects. Investigating complex database issues and implementing sustainable … someone with: Strong SQL Server DBA experience supporting business-critical production environments. Excellent SQL skills, including performance tuning, troubleshooting and optimisation. Solid understanding of high availability, replication, backup and disaster recovery. Experience with Azure SQL or cloud-managed database services. Scripting and automation skills, ideally PowerShell. Exposure ...

working on platform modernisation or re-architecture programmes Experience within public sector, compliance, enforcement, or regulated technology environments Experience testing customer-facing applications with high availability requirements Knowledge of modern DevOps practices and engineering metrics Strong understanding of quality engineering principles and continuous improvement practices Experience helping define … application codebase alongside software engineers Support CI/CD pipelines, release processes, and deployment activities Participate in code reviews and quality assurance activities Ensure high levels of software quality throughout the development lifecycle Support the successful delivery of large-scale product transformation initiatives SDET (Software Development Engineer in Test ...

strategies. Reporting directly to the EMEA Regional Operations Director, this position requires strong leadership, strategic thinking, and the ability to manage multi‐site operations, high‐performing teams, and complex mission‐critical environments. The role combines business ownership, technical oversight, and stakeholder engagement at executive level. Key Responsibilities Lead … global business strategies. Develop and execute country‐level operational strategies, including cost optimization, performance improvement, and risk mitigation initiatives. Build, lead, and develop high‐performing teams across operations, engineering (electrical & mechanical), facilities, security, and compliance functions. Provide leadership and direction to managers and functional leaders, ensuring accountability and performance ...

infrastructure. Supporting Cisco switching environments. Configuring and troubleshooting routing protocols. Managing network security, including Palo Alto firewalls, VPNs, NAT and security policies. Supporting resilient, high-availability network infrastructure across multiple locations. Troubleshooting complex network issues. Working with VLANs, trunking, STP, LACP, VRFs and network redundancy technologies. Monitoring network … performance and availability using tools such as SolarWinds. Supporting network upgrades, infrastructure improvements and technical projects. Maintaining network documentation, diagrams and operational procedures. Collaborating with internal teams and external suppliers to deliver effective networking solutions. What We're Looking For We're interested in speaking with Network Engineers ...

instead of infrastructure. You'll promote observability best practices and automate resolution of recurring issues, working closely with software engineering teams to support security, availability, and performance. Responsibilities include triaging issues, collaborating on infrastructure management, and setting up monitoring for full coverage. Hands-on expertise is required, especially with … reliability and scalability. \n Collaborate with development teams to improve workflows and automation. \n Site Reliability Engineering Design, implement, and maintain systems for high availability, scalability, and performance. \n Monitor and improve application reliability through proactive measures and incident response. \n Develop and maintain observability solutions (metrics, logging ...

from the Founders Oxford Dynamics is at an inflection point. We build frontier AI for environments where the cost of a wrong decision is high: defence and national security, critical infrastructure, and commercial organisations making high-stakes decisions on complex data. We are growing fast, and the constraint … that holds when the answer has to be right. You will be trusted to own real systems end-to-end, held to a single high standard, and judged on one thing above all: whether what you ship earns the confidence people place in it when the decision matters. ...

instead of infrastructure. You'll promote observability best practices and automate resolution of recurring issues, working closely with software engineering teams to support security, availability, and performance. Responsibilities include triaging issues, collaborating on infrastructure management, and setting up monitoring for full coverage. Hands-on expertise is required, especially with … reliability and scalability. \n Collaborate with development teams to improve workflows and automation. \n Site Reliability Engineering Design, implement, and maintain systems for high availability, scalability, and performance. \n Monitor and improve application reliability through proactive measures and incident response. \n Develop and maintain observability solutions (metrics, logging ...

Server 2012 through to SQL Server 2022. The Role You will be responsible for supporting and administering mission-critical SQL Server environments, ensuring high levels of availability, performance, security and resilience. Key responsibilities include: Administering and supporting SQL Server production, pre-production and development environments. Leading database incident … resolution, root cause analysis and problem management activities. Delivering SQL Server patching, upgrades and migration projects. Managing high availability and disaster recovery solutions. Designing, implementing and testing backup and recovery procedures. Proactively monitoring and tuning database performance. Supporting application and development teams with deployments and releases. Maintaining database ...

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 ...

develop their expertise across hybrid cloud environments. As an Infrastructure Engineer, you will support and enhance both on-premises and cloud-based infrastructure, ensuring high availability, performance, and security across a hybrid environment. You will work across Microsoft on-premises infrastructure technologies, virtualisation platforms, and Azure services, contributing … hosting platforms and CI/CD-driven deployments in Azure. What success looks like Reliable and secure infrastructure: You help maintain stable, secure and high-performing infrastructure across our on-premises and Azure environments, identifying potential issues early and minimising disruption to our services. Ownership and accountability: You develop ...

opportunity for a hands-on DBA with strong experience across legacy and modern SQL Server platforms, providing 2nd and 3rd line support, maintaining database availability, security and performance, and driving continual service improvement. Key Responsibilities Provide 2nd and 3rd line support across production, pre-production and development SQL Server … environments. Administer and maintain SQL Server versions (Apply online only), including patching, upgrades and migrations. Manage SQL Server high availability, clustering, Failover Cluster Instances (FCI) and Always On Availability Groups. Lead database incident resolution, troubleshooting and root cause analysis. Manage backup, restore and disaster recovery arrangements, including ...

business and regulatory requirements. Key Responsibilities Architecture & Solution Design Define and govern application architecture standards, frameworks, and best practices. Design scalable, secure, resilient, and high-performance banking applications. Create High-Level Design (HLD) and Low-Level Design (LLD) documents. Drive modernization and transformation initiatives across banking platforms. Ensure … migration strategies. Develop reusable architecture components and frameworks. Non-Functional Requirements Ensure solutions meet: Security requirements Regulatory compliance requirements Performance and scalability targets High availability and disaster recovery standards Monitoring and observability requirements Required Banking Domain Experience Strong understanding of banking business processes and technologies. Experience working within ...

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 ...

robotics systems Motiontech designs, installs, and maintains intelligent automation and material handling systems for major UK retail and logistics businesses. Their engineering teams keep high-availability, high-performance automated distribution operations running around the clock. It's hands-on, technically demanding work, and the investment in people … gearboxes, and pneumatics Comfortable working 12-hour rotating shifts including nights and weekends Useful, not essential: Experience with CMMS platforms Previous work in a high-speed automated logistics environment Exposure to robotics or advanced sortation systems Benefits & culture Financial: Up to £58,000 including shift allowance, plus overtime Development ...

Summary:The Wintel Engineer provides Level 3 support for Windows Server, VMware vSphere and Microsoft Hyper-V across DXC-managed customer environments, maintaining performance, availability and security through OS patching, hardening, capacity monitoring, VM lifecycle management and incident resolution within agreed SLAs. Required experience spans design, implementation … automation where available for consistent, repeatable builds.Resolve L3 Windows Server and virtualisation incidents(RDS, SCCM, WSUS), including OS failures, performance degradation, service crashes, VM availability and storage connectivity issues.Diagnose faults using native Windows tools, VMware/Hyper-V consoles and event logs; escalate issues requiring architectural investigation or vendor ...