1 to 25 of 54 Remote/Hybrid Contract High Availability Jobs

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 ...

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 ...

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 ...

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 ...

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 ...

client is a global defence and technology company. Senior Network Engineer Location: Huntingdon, Cambridgeshire Security Clearance Level - High DV Required UNLEASH YOUR POTENTIAL We deliver innovative technology and engineering solutions through the expertise of our diverse and talented people. We work with our customers to solve some … problems, develop robust network solutions and provide engineering assurance throughout the lifecycle of network services. The role offers significant technical variety, covering network architecture, high-availability infrastructure, security, technical refresh, service improvement, troubleshooting and the introduction of new technologies. You will work closely with customers, architects, engineers, service ...

development teams throughout technical projects from delivery to successful completion. Ability to mentor and coach. Strong technical documentation skills. Proven record of accomplishment in high availability multi browser compatible development. Experience of working with high availability, multiuser and service-based systems. Additional Information Acting ...

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 ...

administration, maintenance and improvement of Oracle databases and the Linux infrastructure they operate on. Your responsibilities will include: Monitoring and maintaining Oracle databases, ensuring availability, performance, capacity and security across production and non-production environments. Managing database backups, restores, recovery procedures and disaster recovery processes, including regular testing. Investigating … Enterprise Manager and supporting Oracle WebLogic environments. Working with the development team to support applications built using Oracle APEX and PL/SQL. Supporting high-availability and disaster recovery arrangements across the organisation's infrastructure. Using Linux shell scripting and automation to improve routine administration and operational processes. ...

optimise Flow Managers, Flow Collectors and UDP Directors. Migrate existing configurations and data sources, ensuring platform functionality and resilience. Evaluate load-balancing and high-availability solutions, including HAProxy and alternative technologies. Network Visibility & Telemetry Review existing global NetFlow and syslog coverage, identifying gaps and opportunities for improvement. Develop … Terraform or REST APIs. Automation of NetFlow and syslog configuration and deployment. Experience with Git and CI/CD workflows. HAProxy, load balancing and high-availability architectures. UDP traffic distribution and Flow Collector scalability. Hybrid cloud networking and east-west traffic monitoring. Project Deliverables You will be expected ...

optimise Flow Managers, Flow Collectors and UDP Directors. Migrate existing configurations and data sources, ensuring platform functionality and resilience. Evaluate load-balancing and high-availability solutions, including HAProxy and alternative technologies. Network Visibility & Telemetry Review existing global NetFlow and syslog coverage, identifying gaps and opportunities for improvement. Develop … Terraform or REST APIs. Automation of NetFlow and syslog configuration and deployment. Experience with Git and CI/CD workflows. HAProxy, load balancing and high-availability architectures. UDP traffic distribution and Flow Collector scalability. Hybrid cloud networking and east-west traffic monitoring. Project Deliverables You will be expected ...

Application, Infrastructure or Cloud Architecture. Ability to assess existing resilience capabilities, identify gaps and define improvement strategies and target architecture roadmaps. Strong understanding of high availability, disaster recovery, cyber recovery, fault tolerance, business continuity and technology recoverability. Experience working across cloud, infrastructure, applications, data, integration and security teams. … resilience. Identify technology risks, single points of failure, Legacy dependencies and concentration risks, recommending appropriate mitigation strategies. Define architecture principles and design standards covering high availability, disaster recovery, cyber recovery, data integrity, service continuity and recoverability. Provide architecture guidance on resilience patterns, automation, cloud platforms, monitoring and modern ...

enterprise-scale platforms? We're looking for a Linux Infrastructure & Platform Architect to drive the design, automation, and evolution of critical infrastructure environments supporting high-performance computing, cloud services, and modern containerised platforms. In this hands-on technical leadership role, you'll combine architecture, engineering, and automation expertise … site in Salisbury OR Portsmouth. What you'll be doing: Leading the design, administration, optimisation, and support of large-scale Linux environments, ensuring high availability, performance, security, and resilience. Architecting and supporting High Performance Computing (HPC) platforms, including compute, storage, networking, workload scheduling, and user environments. Designing ...

work in highly regulated environments, partnering closely with our clients to design and build modern digital platforms. Job Role We are seeking a high-caliber, entrepreneurial Engineering Lead to build and steer high-performing, multi-disciplinary Agile teams. You will be responsible for architecting and delivering innovative solutions … navigate the unique security and data challenges of the UK defense and intelligence landscape. Key Responsibilities Team Leadership & Delivery: Lead and mentor small, high-velocity engineering teams (4–8 people). You will be responsible for fostering a culture of technical excellence, psychological safety, and rapid delivery using Agile ...

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: Collaborate within cross-functional teams to design cloud architectures that meet the client's requirements around scalability … 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 ...

enterprise database platforms, with a primary focus on Oracle and additional support responsibilities across MariaDB, Microsoft SQL Server and Sybase ASE. Monitor database performance, availability and capacity to ensure services continue to meet business requirements. Investigate and resolve incidents, service requests and technical problems in line with operational processes … Database Team. Desirable Experience with MariaDB, Microsoft SQL Server and/or Sybase ASE. Experience of database performance monitoring and tuning. Knowledge of Oracle high availability and disaster recovery technologies, including Oracle RAC, Data Guard and Data Guard Broker. Exposure to automation and scripting technologies such as Ansible ...

Wintel Engineer provides Level 3 support for Windows Server, VMware vSphere and Microsoft Hyper-V across our client-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 … 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 ...

combining project delivery with day-to-day operational support across a diverse AWS-hosted estate. You will influence platform architecture and modernisation while ensuring high availability for customers, with career development and certification support on offer. Key Duties: * Design, implement and maintain secure, highly available AWS infrastructure. * Operate ...

combining project delivery with day-to-day operational support across a diverse AWS-hosted estate. You will influence platform architecture and modernisation while ensuring high availability for customers, with career development and certification support on offer. Key Duties: * Design, implement and maintain secure, highly available AWS infrastructure. * Operate ...

migration of an enterprise-scale SharePoint platform from on-premises infrastructure to AWS. The initial eight-week Proof of Value will assess SQL Server high availability, disaster recovery and performance options, with the potential to progress into a detailed architecture and design phase through … cost-effective platform. Essential Technical Skills 10+ years' Microsoft SQL Server architecture and engineering experience (SQL Server 2016+). Strong experience with Always On Availability Groups, Failover Cluster Instances (FCI) and HA/DR solutions. Experience supporting large-scale SharePoint farms and SQL Server databases. Strong SQL Server performance ...

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 ...

including virtualisation platform transitions, upgrades and technology refreshes. Troubleshoot server, storage, networking, backup and replication issues. Implement and support disaster recovery, business continuity and high-availability solutions. Manage and maintain Active Directory, Entra ID, Group Policy, DNS and DHCP. Work closely with internal technical teams, external vendors … customers to resolve complex infrastructure challenges. Monitor infrastructure performance, availability and capacity, identifying opportunities for improvement. Maintain accurate technical documentation and support knowledge sharing across the wider team. Essential Skills & Experience A minimum of five years' IT experience, including at least two years in infrastructure engineering or 3rd line ...