1 to 25 of 1,140 High Availability Jobs in the UK

Senior Network Engineer

Location
Portsmouth, England, United Kingdom
infrastructure across our UK data center and office environments. This role is focused on data center networking, load balancing, and core network services, ensuring high availability, performance, and security across all platforms.Job Description:Exciting Opportunity: Senior Network EngineerAre you a seasoned network professional ready to lead the design … infrastructure across our UK data center and office environments. This role is focused on data center networking, load balancing, and core network services, ensuring high availability, performance, and security across all platforms.What You’ll Do:Strategic Support & Risk AwarenessProactively identify operational risks, performance issues, and security gaps within ...

OT Technical Support Manager

Location
United Kingdom
assignment within the utilities sector. Your new role As the OT Technical Support Manager, you will lead the operational support, maintenance and resilience of high-availability Operational Technology systems. You will oversee service delivery and incident response while ensuring that patching, vulnerability remediation and planned maintenance activities … role will also involve workforce planning, capability development and leadership of a technical support team. Key responsibilities Lead the operational support and maintenance of high-availability OT systems. Manage incident response, fault diagnosis, system recovery and operational resilience. Oversee service delivery across the supported OT environment. Coordinate ...

OT Technical Support Manager

Hiring Organisation
Hays
Location
Perth, Perthshire, Scotland, United Kingdom
Employment Type
Contract
assignment within the utilities sector. Your new role As the OT Technical Support Manager, you will lead the operational support, maintenance and resilience of high-availability Operational Technology systems. You will oversee service delivery and incident response while ensuring that patching, vulnerability remediation and planned maintenance activities … role will also involve workforce planning, capability development and leadership of a technical support team. Key responsibilities Lead the operational support and maintenance of high-availability OT systems. Manage incident response, fault diagnosis, system recovery and operational resilience. Oversee service delivery across the supported OT environment. Coordinate ...

Java Developer

Hiring Organisation
NTT DATA
Location
London, United Kingdom
Salary
£ 80 K
Oracle SQL and PL/SQLStrong knowledge/experience of XML, XSL, XSLTExperience with a track record in supporting large and complex applications within high availability/high volume environments.Must be able to work individually or within a team to ensure internal and external SLAs are met.Excellent … Oracle SQL and PL/SQLStrong knowledge/experience of XML, XSL, XSLTExperience with a track record in supporting large and complex applications within high availability/high volume environments.Must be able to work individually or within a team to ensure internal and external SLAs are met.Excellent ...

Java Developer

Hiring Organisation
NTT DATA
Location
London, UK
Employment Type
Full-time
Oracle SQL and PL/SQLStrong knowledge/experience of XML, XSL, XSLTExperience with a track record in supporting large and complex applications within high availability/high volume environments. Must be able to work individually or within a team to ensure internal and external SLAs … Oracle SQL and PL/SQLStrong knowledge/experience of XML, XSL, XSLTExperience with a track record in supporting large and complex applications within high availability/high volume environments. Must be able to work individually or within a team to ensure internal and external SLAs ...

UNIX/Linux Infrastructure Engineer

Location
High Street, England, United Kingdom
Engineer to design, build, configure, secure, and support enterprise UNIX/Linux environments. The role will be responsible for infrastructure implementation, automation, security hardening, high availability, and project deployment activities across Development, Test, UAT, and Production environments. Key Responsibilities Infrastructure Build & Implementation Install, configure, build, and harden UNIX … Configure system services, networking, storage, and security components. Perform server provisioning, configuration, patching, and system upgrades. Ensure infrastructure readiness for application deployment and onboarding. High Availability & Clustering Configure and support High Availability and clustering solutions, including Veritas Cluster Server (VCS/FSS). Perform cluster configuration ...

UNIX/Linux Infrastructure Engineer

Location
Penarth, Wales, United Kingdom
Engineer to design, build, configure, secure, and support enterprise UNIX/Linux environments. The role will be responsible for infrastructure implementation, automation, security hardening, high availability, and project deployment activities across Development, Test, UAT, and Production environments. Key Responsibilities Infrastructure Build & Implementation Install, configure, build, and harden UNIX … Configure system services, networking, storage, and security components. Perform server provisioning, configuration, patching, and system upgrades. Ensure infrastructure readiness for application deployment and onboarding. High Availability & Clustering Configure and support High Availability and clustering solutions, including Veritas Cluster Server (VCS/FSS). Perform cluster configuration ...

Network Engineer

Location
Guildford, England, United Kingdom
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 ...

Platform Engineer

Location
United Kingdom
tooling — infrastructure as code (Terraform, CloudFormation, or CDK), CI/CD pipelines, API Gateway, Lambda, and Aurora PostgreSQL — and confident applying fundamentals such as high availability, fault tolerance, observability, and cost control in a live environment. Payments or fintech exposure is an advantage but not required; what matters … tooling Support change control and release management alongside Engineering and the Information Security Officer Reliability, Observability & Data Infrastructure Design and maintain systems for high availability, fault tolerance, and resilience by default Implement logging, monitoring, and alerting (for example CloudWatch) across services and infrastructure Maintain data pipelines, backup ...

Platform Engineer

Location
Milton Keynes, England, United Kingdom
tooling — infrastructure as code (Terraform, CloudFormation, or CDK), CI/CD pipelines, API Gateway, Lambda, and Aurora PostgreSQL — and confident applying fundamentals such as high availability, fault tolerance, observability, and cost control in a live environment. Payments or fintech exposure is an advantage but not required; what matters … tooling Support change control and release management alongside Engineering and the Information Security Officer Reliability, Observability & Data Infrastructure Design and maintain systems for high availability, fault tolerance, and resilience by default Implement logging, monitoring, and alerting (for example CloudWatch) across services and infrastructure Maintain data pipelines, backup ...

Lead DevOps Engineer

Hiring Organisation
Broadridge
Location
London, United Kingdom
Salary
£ 100 K
multiple environments.Automate infrastructure provisioning, deployment, configuration, database schema creation, and operational workflows across cloud and on-prem platforms.Support production systems with a focus on high availability, disaster recovery, incident response, vulnerability management, patching, and change management.Containerize applications and support deployments using container orchestration platforms.Partner with development teams … configuration management with Terraform, Ansible, Chef, or similar. Infrastructure & Operations Strong understanding of networking, routing, and traffic flow across distributed systems. Knowledge of high availability, resiliency, capacity, and latency considerations. Experience supporting customer-facing, low-latency, high-availability, or other business-critical platforms. Monitoring, logging ...

Lead DevOps Engineer

Location
Greater London, England, United Kingdom
Automate infrastructure provisioning, deployment, configuration, database schema creation, and operational workflows across cloud and on-prem platforms.* Support production systems with a focus on high availability, disaster recovery, incident response, vulnerability management, patching, and change management.* Containerize applications and support deployments using container orchestration platforms.* Partner with development … management with Terraform, Ansible, Chef, or similar.* **Infrastructure & Operations** + Strong understanding of networking, routing, and traffic flow across distributed systems. + Knowledge of high availability, resiliency, capacity, and latency considerations. + Experience supporting customer-facing, low-latency, high-availability, or other business-critical platforms. + ...

Database Engineer (MongoDB, Postgres)

Hiring Organisation
CGG
Location
Oxford, Oxfordshire, United Kingdom
Salary
£ 70 K
transition and infrastructure challenges. Job DetailsViridien is seeking a Database Engineer to design, maintain, and optimise database platforms that support global production systems and high-performance computing workloads.This role focuses on managing MongoDB and relational database environments, ensuring they remain secure, scalable, and highly available. You will work closely … underpin Viridien's global software and HPC environments.The team works closely with software developers, infrastructure engineers, and operations teams to deliver reliable, scalable, and high-performing database services that support data-intensive applications across the business.Key Responsibilities-Database AdministrationManage, maintain, and support MongoDB and relational database environments.Install, configure ...

Database Engineer (MongoDB, Postgres)

Hiring Organisation
CGG
Location
Asthall Leigh, Oxfordshire, UK
Employment Type
Full-time
transition and infrastructure challenges. Job DetailsViridien is seeking a Database Engineer to design, maintain, and optimise database platforms that support global production systems and high-performance computing workloads. This role focuses on managing MongoDB and relational database environments, ensuring they remain secure, scalable, and highly available. You will work … Viridien's global software and HPC environments. The team works closely with software developers, infrastructure engineers, and operations teams to deliver reliable, scalable, and high-performing database services that support data-intensive applications across the business. Key Responsibilities-Database AdministrationManage, maintain, and support MongoDB and relational database environments. Install ...

Global Banking & Markets - Software Engineer - Vice President - London London · United Kingdom [...]

Location
Greater London, England, United Kingdom
production idioms, while meeting the diverse and often complex business requirements of a global 24x7 trading operation, while balancing stringent non‐functional demands for availability, latency, and resilience. Critically, you will lean heavily into AI‐driven development. Using Goldman Sachs' AI tooling and agentic coding assistants, you will govern … magnitude higher volumes at lower operational costs, directly contributing to the firm's competitive and commercial edge. Build for the future : Design and implement highavailability, multi‐region, event‐driven services on a modern cloud‐native platform, setting the architectural standard for years to come. What You Will ...

Global Banking & Markets - Software Engineer - Vice President - London

Hiring Organisation
Goldman Sachs
Location
London, United Kingdom
Salary
£ 100 K
production idioms, while meeting the diverse and often complex business requirements of a global 247 trading operation, while balancing stringent non-functional demands for availability, latency, and resilience.Critically, you will lean heavily into AI-driven development. Using Goldman Sachs' AI tooling and agentic coding assistants, you will govern multiple … magnitude higher volumes at lower operational costs, directly contributing to the firm's competitive and commercial edge.Build for the future: Design and implement high-availability, multi-region, event-driven services on a modern cloud-native platform, setting the architectural standard for years to come.What You Will DoDesign, build ...

DB2 Database Administrator (DBA)

Location
Greater London, England, United Kingdom
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 ...

OT Technical Support Manager

Location
Perth, Scotland, United Kingdom
operational support, maintenance, and resilience of critical Operational Technology (OT) systems within a Utilities environment. This is a leadership role focused on ensuring the availability, performance, security, and continuous improvement of high-availability OT platforms. The successful candidate will be responsible for incident management, fault recovery, service … maintenance of critical OT platforms and services. Manage incident response activities, fault diagnosis, service restoration, and root cause analysis. Ensure operational resilience across high-availability environments, supporting business continuity and recovery activities. Oversee OT patching, maintenance schedules, and vulnerability remediation programmes. Drive service delivery excellence and continuous improvement ...

CICS Mainframe Systems Programmer

Hiring Organisation
The Nippon Telegraph And Telephone Corporation (NTT)
Location
United Kingdom
Salary
£ 70 K
place where you can grow, belong and thrive.Your day at NTT DATAhe CICS Mainframe Systems Programmer is responsible for ensuring the stability, availability, performance, and continuous improvement of CICS services within the IBM Mainframe environment. The role requires strong technical expertise, domain knowledge, and specialist skills to operate, maintain … solution design, deployment planning, configuration, testing, and ongoing operational support. The successful candidate will oversee the management and support of all CICS services, ensure high availability of business-critical applications, provide technical leadership during incident resolution, and collaborate with development and application support teams to deliver robust solutions.The ...

CICS Mainframe Systems Programmer

Hiring Organisation
NTT DATA
Location
London, United Kingdom
Salary
£ 80 K
remote for our growing team in the UK and rest of Europe.About the roleThe CICS Mainframe Systems Programmer is responsible for ensuring the stability, availability, performance, and continuous improvement of CICS services within the IBM Mainframe environment. The role requires strong technical expertise, domain knowledge, and specialist skills … solution design, deployment planning, configuration, testing, and ongoing operational support. The successful candidate will oversee the management and support of all CICS services, ensure high availability of business-critical applications, provide technical leadership during incident resolution, and collaborate with development and application support teams to deliver robust solutions.The ...

CICS Mainframe Systems Programmer

Location
Greater London, England, United Kingdom
growing team in the UK and rest of Europe. About the role The CICS Mainframe Systems Programmer is responsible for ensuring the stability, availability, performance, and continuous improvement of CICS services within the IBM Mainframe environment. The role requires strong technical expertise, domain knowledge, and specialist skills to operate … solution design, deployment planning, configuration, testing, and ongoing operational support. The successful candidate will oversee the management and support of all CICS services, ensure high availability of business-critical applications, provide technical leadership during incident resolution, and collaborate with development and application support teams to deliver robust solutions. ...

Network and Voice Engineer

Hiring Organisation
Source Group International
Location
London, United Kingdom
Salary
£ 80 K
Network and Voice Engineer to design, support and enhance resilient enterprise networks and unified communications within a regulated financial services environment. You will ensure high availability, performance, security and service quality across LAN/WAN, data centre connectivity, cloud networking and voice platforms, working closely with infrastructure, security … service management teams.Key responsibilities Design, implement and maintain routing and switching, including VLANs, STP, QoS, OSPF/BGP and high-availability patterns.Support WAN and remote connectivity (MPLS/SD-WAN, VPN, IPSec/SSL), optimising performance and resilience.Administer network security controls such as firewalls, NAC (e.g., 802.1X), segmentation ...

Network and Voice Engineer

Hiring Organisation
Source Group International
Location
London, UK
Employment Type
Full-time
Network and Voice Engineer to design, support and enhance resilient enterprise networks and unified communications within a regulated financial services environment. You will ensure high availability, performance, security and service quality across LAN/WAN, data centre connectivity, cloud networking and voice platforms, working closely with infrastructure, security … service management teams. Key responsibilities Design, implement and maintain routing and switching, including VLANs, STP, QoS, OSPF/BGP and high-availability patterns. Support WAN and remote connectivity (MPLS/SD-WAN, VPN, IPSec/SSL), optimising performance and resilience. Administer network security controls such as firewalls ...

Infrastructure Engineer

Hiring Organisation
Salt
Location
United Kingdom
Employment Type
Contract
Contract Rate
£525 - £550.00 per day
commissioning and live operations, for next-generation Building Management Systems (BMS), Central Monitoring Platforms (CMS), and CCTV environments. Key Responsibilities: Architect, build, and deploy high-availability BMS, CMS, and CCTV environments. Drive an automation-first approach using Infrastructure as Code tools (Terraform, Ansible, PowerShell). Solve complex platform … across compute, storage, and networking layers. Integrate multi-vendor systems into cohesive, scalable, and secure CNI platforms. Enhance platform security, uptime, and resilience within high-availability environments. Develop reusable runbooks, technical documentation, and engineering standards. What You Need to Succeed: Active UK DV Clearance (Must have resided ...

Infrastructure Engineer

Location
London, United Kingdom
commissioning and live operations, for next-generation Building Management Systems (BMS), Central Monitoring Platforms (CMS), and CCTV environments. Key Responsibilities: Architect, build, and deploy high-availability BMS, CMS, and CCTV environments. Drive an automation-first approach using Infrastructure as Code tools (Terraform, Ansible, PowerShell). Solve complex platform … across compute, storage, and networking layers. Integrate multi-vendor systems into cohesive, scalable, and secure CNI platforms. Enhance platform security, uptime, and resilience within high-availability environments. Develop reusable runbooks, technical documentation, and engineering standards. What You Need to Succeed: Active UK DV Clearance (Must have resided ...