1 to 25 of 193 High Availability Jobs in England

Weekends & Bank Holidays) Overview: @mecscomms is recruiting for experienced Cisco Catalyst NOC Engineers/Network Operations Engineers to support critical network infrastructure within a high-availability 24x7 operational environment. This is an excellent opportunity for experienced Network Operations Centre (NOC), TAC or Network Monitoring Centre (NMC) professionals with … Catalyst 9500 platforms. Purpose: To provide 24x7 operational support, monitoring, incident management and technical troubleshooting across critical Cisco network infrastructure, ensuring maximum network availability, performance and service reliability. Technology Stack: * Cisco Catalyst 3850/9300/9500 * Cisco IOS/IOS-XE * Layer 2 & Layer 3 Networking * OSPF/ ...

database expert who thrives on performance, optimisation, and solving complex challenges? We're looking for a Database Engineer to take ownership of a modern, high-availability database environment and help shape its future. What you'll be doing - Own and manage MySQL environments as the primary subject matter … expert - Design and optimise database architecture, performance, and scalability - Implement and maintain high availability solutions - Handle backup, recovery, and disaster planning - Collaborate with development, infrastructure, and security teams - Troubleshoot complex issues and continuously improve performance - Contribute to documentation, standards, and best practices What you'll bring Essential experience ...

database expert who thrives on performance, optimisation, and solving complex challenges? We're looking for a Database Engineer to take ownership of a modern, high-availability database environment and help shape its future. What you'll be doing - Own and manage MySQL environments as the primary subject matter … expert - Design and optimise database architecture, performance, and scalability - Implement and maintain high availability solutions - Handle backup, recovery, and disaster planning - Collaborate with development, infrastructure, and security teams - Troubleshoot complex issues and continuously improve performance - Contribute to documentation, standards, and best practices What you'll bring Essential experience ...

database expert who thrives on performance, optimisation, and solving complex challenges? We're looking for a Database Engineer to take ownership of a modern, high-availability database environment and help shape its future. What you'll be doing - Own and manage MySQL environments as the primary subject matter … expert - Design and optimise database architecture, performance, and scalability - Implement and maintain high availability solutions - Handle backup, recovery, and disaster planning - Collaborate with development, infrastructure, and security teams - Troubleshoot complex issues and continuously improve performance - Contribute to documentation, standards, and best practices What you'll bring Essential experience ...

remote +Outside IR35 + £550 - £650 a day +SC cleared role - current active clearance is essential As an AWS Technical Architect, you'll take high-level customer requirements and turn them into practical, secure, and production-ready AWS solutions. You'll work closely with CloudOps, DevOps, engineering teams … account communication and outbound traffic to external services. Cost Optimization: Designing cost-effective solutions by selecting appropriate AWS services and implementing cost management strategies. High Availability and Disaster Recovery: Designing architectures for high availability and disaster recovery using AWS services. Performance Optimization : Tuning configurations and leveraging ...

Summary: Our client is seeking an experienced Senior Database Administrator (DBA) to support and optimise mission-critical SQL Server environments across a fast-paced, high-volume operational business. This hands-on role focuses on database performance, security, scalability, and continuous improvement, ensuring systems remain reliable and efficient in real … scalability improvements, and business continuity initiatives Key Skills/Experience: Strong hands-on experience as a SQL Server DBA in production environments Experience supporting high-volume, real-time transactional systems with high availability requirements Advanced SQL expertise including DML, DDL, stored procedures, CTEs, window functions, indexing ...

maintaining and improving database and server environments, supporting application deployments, troubleshooting production issues, and working closely with development and infrastructure teams to deliver reliable, high-performing systems. This role suits someone who is proactive, hands-on, and comfortable working across SQL Server, infrastructure, networking, and application support. Key Responsibilities … Administer, support, and maintain Microsoft SQL Server environments, including high availability systems Install, configure, and maintain Windows Server environments Participate in a 24/7 remote on-call rota following training Troubleshoot database, infrastructure, networking, and application issues Perform application installations, upgrades, and configuration changes Support deployment ...

Server and Azure SQL, and exposure to .NET technologies. You will work closely with DevOps, infrastructure, cloud, and business stakeholders to maintain high service reliability while driving continuous improvements in maintainability, security, and long-term sustainability. Responsibilities Act as the technical owner of the KVS/KVSIFS platform within … organisation, taking primary responsibility for the Delphi and Object Pascal codebase. Ensure high availability, stability, and resilience of the application in a business-critical production environment. Own incident and problem management, including leading root cause analysis and implementing corrective and preventative actions. Provide 2nd and 3rd line support ...

platform, automation capability, and database estate across critical production systems operating in a true 24/7 environment. Youll work across modern cloud infrastructure, high-availability database environments, Infrastructure as Code, automation, monitoring, and operational improvement projects with real technical autonomy. Location: Remote Salary … Server and CosmosDB Strong Infrastructure as Code (IaC) and Automation Database monitoring and performance tuning SQL replication Deep Azure background Patching, upgrades and maintenance High availability database environments Highly Desirable Skills: Terraform CI/CD pipelines Azure DevOps Kubernetes Cloud automation tooling Leading or mentoring technical teams DevOps ...

ideally with experience working in regulated or secure environments. You will take ownership of DNS strategy across on-premises, cloud, and hybrid infrastructures, ensuring high availability, resilience, and strong security controls. The role requires close collaboration with network, security, and cloud engineering teams, along with the ability … provide technical leadership and mentorship. Key Responsibilities Design and architect scalable and resilient DNS solutions across enterprise environments Define DNS strategy including high availability, redundancy, and disaster recovery Manage and optimise enterprise DNS platforms such as Infoblox, BIND, BlueCat, or Microsoft DNS Implement DNS security controls including DNSSEC ...

eligible will also be considered. Key Responsibilities Design and architect robust, scalable DNS infrastructures (on-premises, cloud, and hybrid environments) Lead DNS strategy including high availability, redundancy, and disaster recovery Manage and optimize enterprise DNS platforms (e.g., Infoblox, BIND, Microsoft DNS) Implement DNS security best practices including DNSSEC … balancing, traffic management, and DNS-based routing Familiarity with cloud DNS solutions (AWS Route 53, Azure DNS, Google Cloud DNS) Proven ability to design high-availability systems Strong troubleshooting and analytical skills Preferred Qualifications SC Clearance (active) – highly preferred SC Eligible candidates will also be considered Certifications such ...

Linux/AIX systems , ideally gained within a banking or financial services environment . You'll be responsible for ensuring the stability, performance, and availability of business-critical banking and finance applications, working closely with senior IT stakeholders and wider application teams. Key Responsibilities Administer, maintain, and optimise Oracle … Linux (RHEL/Oracle Linux) and AIX environments hosted on IBM Power 10 infrastructure Perform system upgrades, patching, performance tuning, and capacity planning Support high availability and disaster recovery solutions using Oracle RAC, ASM, RMAN, and Data Guard Collaborate with application and infrastructure teams to resolve complex production ...

ingestion, enrichment and schema standardisation. Develop and tune security detection content, translating threat intelligence and TTPs aligned to MITRE ATT&CK into actionable, high-value alerts. Manage the full detection content lifecycle: design, test, deploy, monitor, tune and retire, using version control and rollback processes. Automate workflows and platform …/CD, SOAR, scripting and Infrastructure as Code tools such as Terraform and Ansible. Ensure platform performance, stability and resilience through capacity planning, high availability, disaster recovery and proactive monitoring. Provide technical leadership and guidance to internal teams and clients on security monitoring strategy and best practice. What ...

throughout the project lifecycle, from RFP to BAU Act as a point of escalation for complex infrastructure issues Maintain and improve disaster recovery and high-availability solutions Create and maintain technical documentation, test plans and recovery procedures Proactively share knowledge and help move repeatable tasks to the Service … maintenance Microsoft Azure (including Entra ID and application configuration) Windows Server (2016, 2019, 2022) Active Directory, DNS, DHCP, Sites & Services Disaster Recovery and High Availability concepts Networking fundamentals (routing and troubleshooting; basic switching desirable) Monitoring tools (e.g. SolarWinds, SNMP) Strong troubleshooting skills and structured approach to workload management ...

testing. Key Skills & Experience from the Azure DevOps Engineer: Active SC Clearance ideal/lapsed considered Advanced Azure Engineering Strong experience designing for high availability Deep understanding of Azure-native services and architecture patterns Github actions Infrastructure as Code (IaC) Expert-level proficiency with Terraform and/… advanced pipelines using GitHub Actions Strong understanding of pipeline orchestration, automation, and deployment strategies Key Responsibilities of the Azure DevOps Engineer: Design and implement high availability Azure architectures, including regional failover and load balancing strategies embedded within IaC templates Build and maintain scalable, reusable Terraform and/ ...

other enterprise SaaS-based backup products. Key responsibilities: Hands-on experience in AWS engineering, SRE or cloud platform roles Strong knowledge of AWS resilience, availability, backup and recovery services Experience with AWS Resilience Hub, AWS Backup, S3, EBS, EFS, FSx and related storage technologies Experience or active interest … chaos testing, failure injection, operational resilience testing, or cyber resilience Understanding of disaster recovery, RTO/RPO, high availability and workload recovery patterns Exposure to third-party backup SaaS products Financial Services or other high availability sector experience ideal AWS Engineer- Platform resilience & Hardening (SRE) | £(Apply ...

data. Our client is a tech-driven organisation operating at the heart of the UK digital ecosystem, supporting thousands of businesses through a complex, high-availability platform. Behind the scenes, robust data infrastructure is critical - and that's where you come in. We're looking for an experienced … improvement, this could be a great fit. What you'll be doing Install, configure, and maintain SQL Server (and some MySQL) environments Monitor performance, availability, and capacity Troubleshoot and resolve complex database incidents Remediate legacy SQL environments Maintain backup and recovery strategies Provide 2nd and 3rd line support Collaborate ...

data. Our client is a tech-driven organisation operating at the heart of the UK digital ecosystem, supporting thousands of businesses through a complex, high-availability platform. Behind the scenes, robust data infrastructure is critical - and that's where you come in. We're looking for an experienced … improvement, this could be a great fit. What you'll be doing Install, configure, and maintain SQL Server (and some MySQL) environments Monitor performance, availability, and capacity Troubleshoot and resolve complex database incidents Remediate legacy SQL environments Maintain backup and recovery strategies Provide 2nd and 3rd line support Collaborate ...

data. Our client is a tech-driven organisation operating at the heart of the UK digital ecosystem, supporting thousands of businesses through a complex, high-availability platform. Behind the scenes, robust data infrastructure is critical - and that's where you come in. We're looking for an experienced … improvement, this could be a great fit. What you'll be doing Install, configure, and maintain SQL Server (and some MySQL) environments Monitor performance, availability, and capacity Troubleshoot and resolve complex database incidents Remediate legacy SQL environments Maintain backup and recovery strategies Provide 2nd and 3rd line support Collaborate ...

architecture reviews, impact assessments, and technical design workshops. Platform, Infrastructure & Performance Design and optimise SAP landscapes including: Development, Test, Production, and Disaster Recovery environments High Availability (HA) and Disaster Recovery (DR) solutions SAP HANA architecture and performance optimisation Provide guidance on system sizing, scalability, security, and operational resilience. … expertise in: SAP S/4HANA SAP ECC SAP HANA SAP BTP SAP Fiori/UI5 SAP Basis Deep knowledge of: SAP landscape architecture High Availability and Disaster Recovery Performance tuning and optimisation Security and governance frameworks Strong integration expertise across: SAP BTP Integration Suite SAP PI/ ...

design, performance tuning, and cluster management within AWS cloud environments. This role requires someone who has worked extensively on production-grade MongoDB clusters, ensuring high availability, performance, and resilience in distributed systems. Senior MongoDB Engineer Key Responsibilities: MongoDB Architecture & Engineering Design and implement scalable MongoDB data models (schema … MongoDB clusters (replica sets & sharded clusters) Performance Tuning & Optimization Perform advanced query optimization and indexing strategies Proactively identify and resolve performance bottlenecks Cluster Management & High Availability Configure and manage: Replica sets (primary, secondary) Sharding (chunk splitting, balancing, migrations) Handle failover, replication lag, and cluster health monitoring Backup, Recovery ...

which demand ambitious innovation and thought leadership. • Work on mission-critical airline engineering systems supporting global operations. • Collaborate with cross-functional teams in complex, high-availability environments. • Develop your expertise within a global organisation delivering industry-leading solutions. The Role As an Engineering Systems SME, you will … production support, driving service improvements, and ensuring alignment with operational standards and service level expectations. Your responsibilities: • Support 24x7 operations of engineering systems, ensuring high availability and performance. • Deliver production support in line with defined service levels and KPIs. • Align closely with Engineering System and Application Support Managers. ...

changes, fixes performed Managing the impact on the interfaces when Epic upgrades are conducted Monitoring Integration platform, making sureappropriate resourcesare available and the High availability is maintained Ensure compliance to agreed change processes and change control mechanisms To support secure decommissioning of any legacy integration environments, data disposal … changes, fixes performed Managing the impact on the interfaces when Epic upgrades are conducted Monitoring Integration platform, making sureappropriate resourcesare available and the High availability is maintained Ensure compliance to agreed change processes and change control mechanisms To support secure decommissioning of any legacy integration environments, data disposal ...

Responsibilities: KVM Administration: Manage and maintain KVM-based virtualization environments, including provisioning, monitoring, and troubleshooting virtual machines. Optimize KVM performance and ensure high availability of virtualized infrastructure. Implement security best practices for KVM environments. OpenShift Administration: Deploy, configure, and manage OpenShift clusters in on-premises and hybrid cloud … environments. Monitor and troubleshoot OpenShift workloads, ensuring high availability and performance. Manage OpenShift networking, storage, and security configurations. Perform upgrades and patching of OpenShift clusters and associated components. Monitoring and Optimization: Implement monitoring solutions for KVM and OpenShift environments using tools like Prometheus, Grafana, or ELK Stack. Analyze ...

usable in the real world. If you enjoy owning backend services end to end, care deeply about reliability and API quality in a high-impact environment, this role offers both autonomy and real impact. Requirements Backend Architecture & APIs (Primary Focus) Design and evolve scalable backend services in Python using … FastAPI for high-availability, high-throughput workloads. Build well-versioned RESTful APIs aligned to OpenAPI/Swagger, with strong conventions for consistency, idempotency, and backward compatibility. Implement authentication and authorization using OAuth2/OIDC, session management, and fine-grained permissions. Design and maintain event-driven architectures ...