1 to 25 of 474 High Availability Jobs

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 ...

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 ...

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 ...

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 ...

CICS Mainframe Systems Programmer

Hiring Organisation
NTT
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 ...

Infrastructure Engineer-Hyper-V

Hiring Organisation
NEEV LIMITED
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
From £400 to £450 per day 400 - 450 GBP/day InsideIR35
Required Technical Skills Site Reliability Engineering Strong understanding of Site Reliability Engineering principles and operational excellence. Experience with infrastructure reliability, service availability, resiliency, and performance optimization. Storage Space Direct a nd failover clustering technical expertise . (Storage Spaces Direct enables you to build highly available, software-defined storage … external SAN, S2D uses the servers' local storage to create a resilient shared storage pool) Experience managing production-critical infrastructure environments with high availability requirements. Experience with incident management, problem management, RCA, and continuous operational improvement. Knowledge of monitoring, observability, alerting, and performance management. Microsoft Hyper-V (Core ...

IT Infrastructure Engineer

Hiring Organisation
Paragon Banking Group
Location
Solihull, West Midlands (County), United Kingdom
Salary
£ 70 K
which will allow them to effectively triage tickets and queries. What you’ll be doing Monitor, manage, and optimise enterprise network environments to ensure high availability, performance, scalability, and security across LAN, WAN, Network Security, Cloud and Hybrid infrastructures. Design and deliver complex end-to-end network solutions … preventative measures to minimise recurrence. Provide technical guidance, and mentorship to peers, promoting best practice, upskilling, and knowledge sharing to contribute to supporting a high-performing and resilient team. About YouWhat you’ll bring to the team Expert-level knowledge of network and infrastructure technologies, including enterprise routing ...

Oracle DBA

Hiring Organisation
Hays Specialist Recruitment Limited
Location
Sheffield, South Yorkshire, England, United Kingdom
Employment Type
Contractor
Contract Rate
£365 per day
ideal candidate will possess strong expertise in Oracle RAC (Real Application Clusters), Oracle Data Guard, Performance Tuning & Optimization, and RMAN (Backup & Recovery), ensuring high availability, disaster recovery readiness, optimal performance, and operational excellence across enterprise database platforms.The successful candidate will be responsible for the installation, configuration, administration, monitoring … Responsibilities: *Administer, maintain, and support Oracle database environments in production, testing, and development landscapes.*Design, implement, and manage Oracle RAC configurations to ensure high availability, scalability, and failover capabilities.*Configure, monitor, and support Oracle Data Guard environments, including physical and logical standby databases, switchover, and failover activities.*Perform ...

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 ...

z/OS Mainframe Systems Programmer

Hiring Organisation
NTT
Location
London, United Kingdom
Salary
£ 80 K
enterprise environments.Plan and execute operating system upgrades and software maintenance activities using SMP/E.Administer and support large-scale Parallel Sysplex environments to ensure high availability and performance.Perform system performance monitoring, capacity planning, and resource optimization.Analyse and resolve complex system-level issues involving z/OS, middleware … support, infrastructure, security, and operations teams to ensure platform stability.Implement software maintenance, fixes, service packs, and vendor-recommended updates.Support disaster recovery, business continuity, and high-availability initiatives.Maintain system security controls and ensure compliance with organizational standards.Create and maintain technical documentation, procedures, and operational runbooks.Participate in root cause analysis ...

Network & Security Consultant

Hiring Organisation
Solutions Through Knowledge
Location
City of London, London, England, United Kingdom
Employment Type
Contractor
Contract Rate
£400 - £450 per day
with particular emphasis on Cisco Secure Firewall and advanced BGP. Key Responsibilities Design and deployment of a new Cisco Secure Firewall Management Center (FMC) High Availability pair Deployment and configuration of HA pair Cisco Secure Firewalls Migration of existing legacy firewall configurations to the new environment Review … Strong hands-on experience with Cisco Secure Firewall/FTD Strong experience with Cisco Firewall Management Center (FMC) Experience deploying FMC and firewalls in High Availability configurations Proven experience with firewall migrations and configuration optimisation Advanced BGP knowledge, including configuration and troubleshooting Strong understanding of routing protocols ...

IAM Secrets Management Engineering - SRE Platform Engineer - VP - London

Hiring Organisation
Goldman Sachs
Location
London, United Kingdom
Salary
£ 100 K
management firm that provides a wide range of services worldwide to a substantial and diversified client base that includes corporations, financial institutions, governments and high net-worth individuals. Founded in 1869, it is one of the oldest and largest investment banking firms.Secrets and Encryption Services is part … Reliability Platform Engineer (SRE) to join our team. The ideal candidate will be responsible for ensuring the reliability, performance, and scalability of mission-critical, high-availability, high-throughput systems and infrastructure. This role involves leading collaborating with cross-functional teams, and implementing best practices in SRE, DevOps ...

Lead Software Engineer - Java, Payments

Hiring Organisation
JP Morgan Chase
Location
Bournemouth, Dorset, United Kingdom
Salary
£ 70 K
scalable, and resilient way. As a core technical contributor, you are responsible for designing and delivering critical technology solutions across multiple technical areas, supporting high-volume payment initiation platforms and complex distributed systems that are essential to the firm’s business objectives.This role requires deep engineering expertise in building … operating production systems at scale, with strong emphasis on distributed systems, low-latency processing, high availability, resiliency, recoverability, observability, and operational excellence.Job Responsibilities: Executes creative software solutions, design, development, and technical troubleshooting with the ability to think beyond routine or conventional approaches to build solutions and break down ...

Service Delivery Manager

Hiring Organisation
Hays
Location
Southampton, Hampshire, United Kingdom
Salary
£ 45 K
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, mentoring … 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 public services. ...

Service Delivery Manager

Hiring Organisation
Hays Technology
Location
Eastleigh, Hampshire, United Kingdom
Employment Type
Permanent
Salary
£45000 - £47000/annum £45,000 - £47,000
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 return In return, you will join a forward-thinking organisation where technology underpins ...

Senior Backend Engineer (Ruby), AI Engineering: AI Coding

Hiring Organisation
GitLab
Location
United Kingdom
Salary
£ 70 K
into their daily workflows to drive efficiency, innovation, and impact. GitLab is where careers accelerate, innovation flourishes, and every voice is valued. Our high-performance culture is driven by our values and continuous knowledge exchange, enabling our team members to reach their full potential while collaborating with industry leaders … broader event platform, the core infrastructure that many of GitLab's AI features rely on to know when and how to run.Architect for high availability and throughput, since this part of the system sits at the center of automated AI workflows across GitLab and needs to reliably process ...

Systems Integration Advisor

Hiring Organisation
NTT DATA
Location
London, United Kingdom
Salary
£ 70 K
environments, from development to mission-critical production systems.• Configure and maintain database servers and processes, including monitoring of system health and performance, to ensure high levels of performance, availability, and security.• Database performance tuning.• Planning, deploying, maintaining, troubleshooting of high-availability database environments (RAC. Dataguard etc. … monitoring and troubleshooting tools• Experience with backups, restores and recovery models• Experience with database administration• Experience with incident and problem queue management.• Knowledge of High Availability (HA) and Disaster Recovery (DR) options for Oracle• Experience working with Linux, Windows & Unix servers• Excellent written and verbal communication, problem solving ...

Systems Integration Advisor

Hiring Organisation
NTT DATA
Location
Dunstable, Bedfordshire, United Kingdom
Salary
£ 70 K
environments, from development to mission-critical production systems.• Configure and maintain database servers and processes, including monitoring of system health and performance, to ensure high levels of performance, availability, and security.• Database performance tuning.• Planning, deploying, maintaining, troubleshooting of high-availability database environments (RAC. Dataguard etc. … monitoring and troubleshooting tools• Experience with backups, restores and recovery models• Experience with database administration• Experience with incident and problem queue management.• Knowledge of High Availability (HA) and Disaster Recovery (DR) options for Oracle• Experience working with Linux, Windows & Unix servers• Excellent written and verbal communication, problem solving ...

DevOps Engineer, Studios

Hiring Organisation
iMG world
Location
London, United Kingdom
Salary
£ 60 K
delivery pipelines across our digital and broadcast platforms.The successful candidate will play a key role in enabling continuous delivery, improving system reliability, and supporting high-profile clients and live event services, ensuring optimal performance and resilience across all environments.Key Responsibilities and AccountabilitiesDesign, build, and maintain scalable cloud infrastructure … enable efficient, reliable software delivery across multiple teams.Automate infrastructure provisioning using Infrastructure as Code tools such as Terraform, CloudFormation, or similar.Monitor system performance, availability, and reliability using observability tools such as Prometheus, Grafana, and ELK stack.Ensure high availability and disaster recovery strategies are in place and tested ...

Senior Database Administrator

Hiring Organisation
Kraken
Location
United Kingdom
Salary
£ 70 K
database operations become safer and more efficient at scale.This is not a traditional keep-the-lights-on DBA team. Our work centers on scaling high-throughput PostgreSQL environments, operating vector search and embedding stores with production discipline, shaping reliable patterns for high-traffic systems, and transforming operational knowledge … into automated, auditable workflows that uplift the engineering organization.The OpportunityScale and tune high-throughput PostgreSQL clusters that support continued global expansion and new product initiatives.Own PostgreSQL reliability fundamentals: WAL behavior, checkpoints, autovacuum, query planning, locking, replication lag, backup/restore, and capacity planning.Help build and operate vector data capabilities ...

Senior Azure SQL Server Database Administrator

Hiring Organisation
PFH Technology Group
Location
England, United Kingdom
excel in SQL Server administration, cloud integration, database performance optimization, and geospatial data management. The successful candidate will work on SQL Server initiatives including high availability, performance tuning, monitoring, deployment configurations, and support of ArcGIS Enterprise geodatabases deployed on Azure as SQL Server MI. Key Responsibilities SQL Server … Administration • Lead installation, configuration, and maintenance of SQL Server instances (2016/2019/2022) in on-premises and Azure environments. • Design and implement High Availability solutions including Always On Availability Groups, Failover Clustering, and Azure Geo-Replication. • Perform database performance tuning using DMVs, Query Store, Extended ...

Senior IT System Specialist / Architect

Hiring Organisation
National Health Service
Location
Chester, Cheshire, United Kingdom
Salary
£ 50 K
Trust's core infrastructure estate.Working at both a strategic and operational level, you will influence the future direction of our digital architecture while ensuring high availability, performance, and security of critical systems. You will collaborate across Digital, clinical, and partner teams to deliver innovative solutions that support … internal stakeholders and external partners, you will ensure solutions are aligned to organisational standards and best practice.In addition, you will lead and develop a high-performing, multi-skilled team, fostering a culture of continuous improvement, accountability, and technical excellence. You will be responsible for maintaining high availability ...

Director of Data, Analytics & Insight

Hiring Organisation
We Are Fr Group
Location
Greater Manchester, North West, United Kingdom
Employment Type
Permanent
reliability and performance of data platforms, pipelines and models. Embedding strong governance, documentation, modelling standards and security best practice. Reducing technical debt and ensuring high availability and stability of data systems. Supporting a wide range of use cases from automated reporting through to machine learning-driven products. Translating … understanding. Building business cases, scenarios and forecasts to support commercial planning. Strengthening the accuracy and transparency of channel performance, attribution and investment evaluation. Maintaining high standards of data quality, lineage, privacy and compliance. Creating progression pathways, upskilling programmes and a culture of curiosity, collaboration and accountability. To succeed ...

Windows Engineer

Hiring Organisation
Peregrine
Location
Luton, Bedfordshire, United Kingdom
Employment Type
Permanent
successful candidate will be responsible for Windows Server administration, Active Directory services, virtualization platforms, automation, security compliance, and infrastructure modernization projects while ensuring high availability and operational excellence. Key Responsibilities Manage and support enterprise Windows Server environments (Windows Server 2016, 2019, 2022 and later). Build, configure, maintain … Terraform, Ansible). GitHub/Azure DevOps. Endpoint management (Intune, MECM). Linux administration experience. Enterprise security tooling and compliance frameworks Key Success Measures High availability and reliability of Windows services. Timely patching and vulnerability remediation. Successful delivery of infrastructure projects. Compliance with security and operational standards. Effective ...

Software Engineering Manager

Hiring Organisation
CyberCoders
Location
London, United Kingdom
Salary
£ 80 K
love working with a dynamic team, then come join us!Position OverviewWe are seeking an experienced Software Engineering Manager to lead and grow a high-performing engineering team responsible for designing, building, and operating scalable, highly available distributed systems and microservices. You will own architecture and system design decisions … ResponsibilitiesLead, mentor, and grow multiple engineering teams; hire, coach, conduct performance reviews, and promote career development.Define and own technical direction and architecture for scalable, high-availability systems and microservices; set standards for design, code quality, testing, and release practices.Partner with product managers and stakeholders to translate roadmaps into ...