1 to 25 of 244 High Availability Jobs

technical, hands-on leadership to the software engineering team, ensuring alignment with architectural best practices. Mentor developers, conduct code reviews, and foster a collaborative, high-performance culture. Modern Engineering & Agentic Development: Champion the adoption of AI-assisted coding tools and agentic development workflows to automate repetitive tasks, accelerate feature … delivery, and raise quality - while establishing the guardrails that keep AI-generated code correct, reviewed, and production-safe. High-Availability Architecture: Lead the design and evolution of a horizontally scalable, cloud-native services architecture optimized for 99.999% uptime and zero single points of failure. Real-Time Distributed Computing ...

supporting office, data centre, and hybrid cloud networking environments. This is a hands-on engineering role focused on delivering resilient, secure-by-design, and high-performance network platforms using predominantly Cisco technologies, with exposure to Juniper and cloud-native networking. The role will be critical in ensuring network segmentation … Application Centric Infrastructure) Policy-driven segmentation Support and manage F5 load balancing platforms , including: LTM configuration and optimisation Traffic management and application delivery High availability and failover design Deliver secure-by-design network architecture , including: Network segmentation and micro-segmentation Zero Trust principles Alignment to enterprise security controls ...

global technology-driven financial services organisation operating at scale across international markets. The business provides critical infrastructure, platforms, and data solutions that support high-volume, high-availability trading environments. With a long-established history and a significant international footprint, the organisation employs thousands of people worldwide … Technical & Operational Lead and manage Belfast-based resources within a global Production Support function Provide Level 2 support for business-critical applications in a high-availability environment Act as the escalation point for complex production incidents, performing root cause analysis and resolution Manage Incident, Problem, and Change Management ...

cloud, and hybrid environments while translating business needs into clear technical roadmaps and delivery plans. The role also carries accountability for critical systems, ensuring high availability, performance, and recoverability in a demanding operational setting. In addition, you will lead and develop a team of senior engineers, providing direction … ITIL. A proactive approach to continuous improvement, resilience planning, and service delivery will be key, along with the ability to operate effectively in a high-availability, high-pressure environment. What you'll get in returnIn return, you will join a forward-thinking organisation where technology underpins critical ...

skilled network engineers, define the enterprise networking roadmap, and collaborate with cross-functional teams — including Security, Infrastructure, and IT Operations — to deliver a high-performance, high-availability network platform that underpins mission-critical business and customer operations. Key Responsibilities Strategic Leadership Define and execute the strategic vision … continuous threat detection . Oversee audit readiness and maintain comprehensive network documentation and asset inventories. People & Stakeholder Leadership Build, develop, and mentor a high-performing network engineering team , fostering a culture of excellence, accountability, and continuous learning. Set clear objectives, manage performance, and align team skills with evolving business ...

skilled network engineers, define the enterprise networking roadmap, and collaborate with cross-functional teams — including Security, Infrastructure, and IT Operations — to deliver a high-performance, high-availability network platform that underpins mission-critical business and customer operations. Key Responsibilities Strategic Leadership Define and execute the strategic vision … continuous threat detection . Oversee audit readiness and maintain comprehensive network documentation and asset inventories. People & Stakeholder Leadership Build, develop, and mentor a high-performing network engineering team , fostering a culture of excellence, accountability, and continuous learning. Set clear objectives, manage performance, and align team skills with evolving business ...

networks supporting Global's live and always-on services are resilient, secure, scalable and aligned to business needs. Global operates a geographically distributed, high-availability network with characteristics similar to a service provider, supporting live broadcast and a nationwide outdoor estate. As Head of Networks at Global … Network Strategy, Service Ownership & Delivery (40%) : Define and lead the roadmap for Global's network services and infrastructure, ensuring they support resilient, secure and high-performing services across live and business-critical environments. Oversee design, delivery and lifecycle management of core network services, balancing operational stability with future growth ...

required Are you an experienced Database Administrator with strong Oracle and SQL Server expertise? We're looking for a skilled DBA to join a high-profile programme supporting business-critical database infrastructure within a secure enterprise environment. This is an exciting opportunity to work on complex, mission-critical systems … where reliability, performance and security are paramount. The Role You'll be responsible for ensuring the performance, availability and stability of Oracle and SQL Server databases, supporting BAU operations while maintaining high service standards in a secure environment. Working as part of an experienced infrastructure team ...

required Are you an experienced Database Administrator with strong Oracle and SQL Server expertise? We're looking for a skilled DBA to join a high-profile programme supporting business-critical database infrastructure within a secure enterprise environment. This is an exciting opportunity to work on complex, mission-critical systems … where reliability, performance and security are paramount. The Role You'll be responsible for ensuring the performance, availability and stability of Oracle and SQL Server databases, supporting BAU operations while maintaining high service standards in a secure environment. Working as part of an experienced infrastructure team ...

this role, you will own the reliability and operability of our PostgreSQL services supporting a growing 24x7 SaaS platform , with an emphasis on availability, performance, observability, incident response, and automation . You will partner with cross-functional teams—including developers, operations, and infrastructure—to ensure that our database services … passionate about operational excellence and continuous improvement, we want to hear from you. What You'll Do Responsible to design, implement, and maintain high-availability , high throughput, data and compute intensive , critical database systems running PostgreSQL which supports a growing 24x7 SaaS platform. Define and improve database ...

team responsible for managing, scaling, and optimizing this extensive private cloud environment. With your guidance, the team will ensure our production platform delivers the high availability, security, and unparalleled agility required by Anaplan’s internal engineering teams and customers. Your Impact Lead, manage, and expand a team … tooling and frameworks to enhance the management, automation, and operations of our infrastructure environments. Promote and uphold best practices in private cloud security, high availability, and scalability. Evaluate new infrastructure technologies and vendor offerings to continually evolve the Anaplan Private Cloud stack. Your Skills Extensive managerial experience ...

apply your creativity to deliver future-ready network solutions. Supported by CGI's strong engineering community, you'll make a lasting impact across high-value programmes while continuously growing your skills in a dynamic and trusted environment. CGI was recognised in the Sunday Times Best Places to Work List … eligible to go through this clearance. Your future duties and responsibilities In this role, you will take ownership of complex network operations, ensuring high availability, stability, and security across critical infrastructures. You will apply your expertise to both support and enhance network environments, driving improvements that strengthen operational ...

infrastructure, security, and application teams based in the UK, you will drive the transition from legacy environments to cloud-native networking, ensuring minimal disruption, high availability, and robust performance throughout the migration lifecycle. About Product & Technology Product & Technology plays a pivotal role in aligning the organization with … Including version control, code reviews, and automated deployments Strong troubleshooting skills across hybrid environments, including deep packet flow analysis and performance optimisation. Understanding of high availability, resilience, and disaster recovery patterns within AWS networking. Experience with monitoring and observability tools such as VPC Flow Logs, CloudWatch, and CloudTrail. ...

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 ...

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 ...

gates, kiosks, and other passenger-facing devices that are critical to daily service delivery. You will lead a multi-disciplinary team responsible for ensuring high availability, rapid incident response, and seamless customer experience across all front office technology. Key Responsibilities Lead the end-to-end support and operation … client on: System performance Incident trends Service improvements Operational risks and mitigation Ensure systems meet contractual SLAs/KPIs , particularly those linked to customer availability and revenue protection . Identify and deliver continuous improvement initiatives , including system optimisation, reliability improvements, and operational efficiencies. Provide leadership and direction ...

Starts Here: Santander is a global leader and innovator in the financial services industry and is evolving from a high-impact brand into a technology-driven organization. Our people are at the heart of this journey and together, we are driving a customer-centric transformation that values bold thinking … carrier connectivity (including BT), and associated voice virtualization platforms. The position works directly with Traders, business stakeholders, Networking teams, and external vendors to ensure high availability, regulatory compliance, and operational excellence. This is a hands-on senior operational role requiring full on-site presence on the Trading Floor. ...

smooth operation of business-critical systems while driving continuous improvement across our managed services. From overseeing Linux and Windows environments to managing VMware, networking, high availability, security and automation, you'll be at the heart of delivering exceptional service to our customers. You'll prioritise workloads, manage incidents … Experience in Operations, Infrastructure or Systems Engineering Own Car and Clean Driving License. Strong expertise across Linux, Windows Server and VMware ESXi Solid networking, high availability and security knowledge Experience with technologies such as Veeam, Intune, NGINX, HAProxy, Apache and scripting/automation A proactive, customer-focused approach ...

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 ...

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 ...

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 ...