76 to 100 of 619 High Availability Jobs

Senior Linux/Oracle DBA

Hiring Organisation
Proactive Appointments
Location
London, United Kingdom
Employment Type
Permanent
Salary
GBP 70,000 - 80,000 Annual
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 ...

SIEM Engineer

Hiring Organisation
Sopra Steria
Location
Hemel Hempstead, Hertfordshire, South East, United Kingdom
Employment Type
Permanent
Salary
25 days holidays, 6% Contributory pension, 4 x life Insurance
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 ...

SIEM Engineer

Hiring Organisation
Sopra Steria
Location
East Anglia, UK
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 ...

Infrastructure Analyst

Hiring Organisation
Reed
Location
Manchester, Lancashire, England, United Kingdom
Employment Type
Full-Time
Salary
£35,000 - £40,000 per annum, Negotiable
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 … Technologies: VMware management and maintenance Microsoft Azure (including Entra ID and application configuration) Windows Server () 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 ...

SQL Server & Infrastructure Engineer

Hiring Organisation
The Recruitment Bureau (Kent) Ltd
Location
Northampton, Northamptonshire, England, United Kingdom
Employment Type
Full-Time
Salary
Salary negotiable
Server and Infrastructure Engineer Northampton (Rural High-Tech Site) | Full Time | Permanent | Office Based The Opportunity My client is a UK based innovator in advanced security and intelligence technology, designing and manufacturing products that are trusted by law enforcement and government agencies around the world. From Technical Surveillance Counter … very top of their field. They are now looking for a Database and Infrastructure Engineer to join their team at their rural high-tech headquarters near Northampton. This is a unique role that bridges Database Administration and Systems Engineering, built for someone who thrives on variety, ownership and real ...

Oracle Database Administrator

Hiring Organisation
Talent Locker
Location
Reading, Berkshire, South East, United Kingdom
Employment Type
Contract
Contract Rate
£450 - £650 per day
appointment. Overview Are you an experienced Oracle Database Administrator (DBA) looking to support, manage, and optimise mission-critical Oracle database environments within a high-security public sector organisation? This role requires strong technical capability and experience working in secure and regulated environments. Key Responsibilities Install, configure, patch, upgrade … RMAN, including disaster recovery processes Monitor database performance and deliver tuning and optimisation activities Administer users, roles, privileges, auditing, and database security controls Support high availability solutions including Oracle RAC and Data Guard Troubleshoot incidents and provide on-call support where required Ensure compliance with security standards ...

SQL Server DBA

Hiring Organisation
Exalto Consulting ltd
Location
Bradford, West Yorkshire, Yorkshire, United Kingdom
Employment Type
Permanent
Salary
£50,000
underpins critical business operations, including transactional systems, reporting, and analytics. The role sits within a technology and transformation function, where data reliability, performance, and availability are key to delivering a consistent and dependable service to customers and teams across the business. You will take responsibility for the performance, stability … ongoing platform development, including future data initiatives. What You'll Be Doing Managing and maintaining SQL Server environments across development, test, and production Ensuring high availability through replication, failover, and recovery processes Designing and managing backup and disaster recovery strategies Monitoring database performance and proactively resolving issues before ...

SQL Server Database Developer

Hiring Organisation
Davies Turner
Location
Dartford, Kent, South East, United Kingdom
Employment Type
Permanent, Work From Home
data design, performance), with enough operational awareness to work safely in a production environment. SQL Server Database Developer - Key Responsibilities: - Design, develop and maintain high-quality T-SQL including stored procedures, views, functions, tables, and indexes - Proactively analyse and resolve database performance bottlenecks using execution plans, indexing strategies … query refactoring - Optimise high-volume transactional queries, reporting workloads, and data integration jobs - Design and support scalable database patterns suitable for high-availability environments - Support application and integration development through all stages of delivery - Support and promote controlled database changes across Development, Test, and Production environments - Work ...

Principal AI Software Engineer

Hiring Organisation
GE Vernova
Location
Malta, New York, United States
Employment Type
Permanent
Salary
USD Annual
enterprise AI applications for multiple initiatives across the company. You'll integrate LLMs, agent workflows, NLP, computer vision, and predictive analytics to build secure, high-availability and cost-efficient AI based solutions. You'll partner with product, data science, and engineering leaders, mentor teams, and raise standards … technical vision across products. Lead cross-team initiatives with product and data science. Design RAG and agent workflows; optimize LLM integrations. Build multi-tenant, high-availability systems with observability. Establish AI cost management, monitoring, and security standards. Required Qualifications: Bachelor's degree in Computer Science, Computer Engineering ...

PostgreSQL DBA

Hiring Organisation
Levy Global
Location
City of London, London, United Kingdom
contractor to join a highly technical infrastructure team supporting complex production environments. Key responsibilities: PostgreSQL database administration and production support Performance tuning and optimisation High availability, replication, backup & disaster recovery Monitoring and troubleshooting database issues Supporting migrations/upgrades and platform improvements Working closely with infrastructure and engineering … automation tooling exposure beneficial Looking for: Strong hands-on PostgreSQL DBA experience, Ideally over 7 years of experience Experience supporting large-scale or high-availability environments Good understanding of query performance and PostgreSQL internals Comfortable working in fast-paced engineering-driven environments Great Communication skills ...

Network Engineer

Hiring Organisation
Sanderson Government and Defence
Location
Stoke-On-Trent, Staffordshire, West Midlands, United Kingdom
Employment Type
Permanent
technology team based in Stoke-on-Trent. This is an excellent opportunity to play a key role in designing and delivering secure, resilient, and high-performing network infrastructure supporting business-critical services. You'll work with leading technologies including Cisco, Palo Alto, Fortinet, and Dell, helping to strengthen … complex enterprise environment. The Role As a Network Engineer, you will be responsible for the design, implementation, and support of secure network solutions, ensuring high availability, performance, and security across the organisation. You'll collaborate closely with infrastructure, cloud, and cybersecurity teams, contributing to network strategy and supporting ...

Lead Systems Developer

Hiring Organisation
Rise Technical Recruitment
Location
Redhill, Surrey, United Kingdom
Employment Type
Permanent
build and own mission critical systems used across global communications networks? This is a senior, hands on role within an Enterprise technology team delivering high availability, value added services across satellite, mobile and terrestrial networks. You will take a lead role in system design and development, working with … infrastructure. The Role: Lead system design and development of Linux based software solutions Develop and maintain in house platforms including VoIP, email, security and high availability services Manage CI/CD pipelines, version control and Agile workflows Mentor and support Developers and Graduate Developers Work closely with product ...

Unix Engineer

Hiring Organisation
Damia Group Ltd
Location
Barrow-In-Furness, Cumbria, Barrow in Furness, United Kingdom
Employment Type
Contract
Contract Rate
£550 - £650/day expenses
supporting enterprise UNIX environments, with a focus on Oracle Solaris platforms and advanced virtualisation technologies. The role involves system configuration, migration projects, and ensuring high availability through resilient cluster setups. KEY RESPONSIBILITIES Administer and maintain Oracle Solaris systems on T-series hardware (T5, T7, T8) Configure and manage … LDOMs (Logical Domains) for virtualisation Perform system migrations and upgrades across UNIX environments Design and implement resilience clusters for high availability and disaster recovery Monitor system performance and troubleshoot complex UNIX issues Collaborate with infrastructure and application teams to ensure seamless integration Maintain compliance with security and operational ...

Data Centre Electrical Shift Manager - Technical

Hiring Organisation
PRS
Location
Slough, England, United Kingdom
Data Centre Technical Electrical Biased Shift Manager – Data Centre Operations – High Voltage Experienced Package @74,000K plus Overtime Location: Slough Continental Shift Pattern 12 Hour Shift s Days and Nights Site – AI READY Data Centre Opportunity – Progressive contract and promotion and career development Salary £65,000 Plus Shift Allowance … operational excellence across critical electrical and mechanical systems. You’ll guide a skilled team of engineers, ensuring safe, compliant, and efficient maintenance across a high-availability facility that powers global operations. This is a hands-on leadership role — ideal for candidates with a strong high-voltage ...

IT Infrastructure & Support Manager

Hiring Organisation
THAMES 360
Location
Banbury, Oxfordshire, England, United Kingdom
Employment Type
Full-Time
Salary
£50,000 - £65,000 per annum
Onsite Salary: £55,000 – £65,000 per annum (dependent on experience) + excellent benefits Are you an experienced IT Infrastructure leader ready to drive high availability, lead projects, and elevate service desk performance in a dynamic business environment? We are seeking a hands-on IT Infrastructure & Support Manager … core business systems, including monitoring, support, and maintenance of Progress OpenEdge databases. Manage day-to-day IT Service Desk operations — ensuring prompt issue resolution, high customer satisfaction, SLA/KPI adherence, and performance tracking. Lead infrastructure projects (upgrades, deployments, growth initiatives) — defining scopes, coordinating resources, delivering on time/ ...

Database Administrator

Hiring Organisation
Zensar Technologies
Location
Burgess Hill, West Sussex, South East, United Kingdom
Employment Type
Permanent
Salary
£65,000
large, mission-critical enterprise databases. This role is ideal for a senior database professional who thrives in production environments, enjoys solving complex performance and availability challenges, and works closely with application, infrastructure, and vendor teams. The position involves end-to-end database ownership across production, development, and test environments … with a strong focus on stability, performance, high availability, and continuous improvement. Duties and Responsibilities DB2 Database Administration Administer and support large-scale DB2 UDB (LUW) databases in production and non-production environments (multi-TB databases). Perform installation, upgrades, fix packs, and patching for DB2 instances. Manage ...

Senior IT Support Engineer

Hiring Organisation
Vertech Group (UK) Ltd
Location
Euston, Norfolk, United Kingdom
Employment Type
Permanent
Salary
GBP 55,000 - 65,000 Annual
+ Bonus + Benefits A growing Top Tech Company is looking to add Senior IT Support Engineers to its operations team supporting large-scale, high-availability production platforms used globally This is a hands-on infrastructure role focused on Windows Server, cloud platforms and core Microsoft technologies within … troubleshooting and incident resolution across production systems. Essential: Strong enterprise Windows Server infrastructure experience Strong IIS, Failover Clustering and Microsoft NLB experience Experience supporting high-availability production/server environments Strong Microsoft Entra ID/Microsoft 365 administration experience including Exchange Online, Defender and Intune Strong infrastructure troubleshooting ...

Senior IT Support Engineer

Hiring Organisation
Vertech Group (UK) Ltd
Location
WC1E, Euston, Greater London, United Kingdom
Employment Type
Permanent
Salary
£55000 - £65000/annum + Bonus + Benefits
+ Bonus + Benefits A growing Top Tech Company is looking to add Senior IT Support Engineers to its operations team supporting large-scale, high-availability production platforms used globally This is a hands-on infrastructure role focused on Windows Server, cloud platforms and core Microsoft technologies within … troubleshooting and incident resolution across production systems. Essential: Strong enterprise Windows Server infrastructure experience Strong IIS, Failover Clustering and Microsoft NLB experience Experience supporting high-availability production/server environments Strong Microsoft Entra ID/Microsoft 365 administration experience including Exchange Online, Defender and Intune Strong infrastructure troubleshooting ...

Server Support Engineer

Hiring Organisation
TechNET IT Recruitment Ltd
Location
United Kingdom
Senior Server Support Engineer Predominantly Remote - 1 day per month in Oxford I’m currently working with a well-established technology business supporting high-availability, customer-facing platforms, who are looking to hire an experienced Server Support Engineer into a newly evolving team. This is a great opportunity … infrastructure support experience Exposure to Microsoft cloud technologies (M365/Entra stack) Experience with cloud platforms (AWS or similar) and networking concepts Comfortable supporting high-availability environments with an on-call rota (approx. 1 week in 6) Strong communication skills The Offer: Hybrid working (primarily remote, with ...

Database Administrator (SQL DBA)

Hiring Organisation
Akkodis
Location
Prudhoe, Northumberland, United Kingdom
Employment Type
Permanent
Salary
£40000 - £45000/annum
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 ...

Database Administrator (SQL DBA)

Hiring Organisation
Akkodis
Location
Nelson, Lancashire, United Kingdom
Employment Type
Permanent
Salary
£40000 - £45000/annum
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 ...

Database Administrator (SQL DBA)

Hiring Organisation
Akkodis
Location
Hessle, East Riding of Yorkshire, United Kingdom
Employment Type
Permanent
Salary
£40000 - £45000/annum
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 ...

Director of Information Technology

Hiring Organisation
SF Technology Partners
Location
London, UK
platform resilience, observability, release management and CI/CD capability Oversee integration capability and support the evolution toward scalable and reusable platform architecture Ensure high availability, security, performance and reliability across 24x7 operational environments Lead incident management, service improvement and operational governance across technology services Partner closely with … across: Cloud platforms, ideally AWS DevOps and modern engineering practices Platform engineering and infrastructure operations CI/CD, observability and operational tooling Database and high availability environments Large scale SaaS or enterprise technology platforms Complex, regulated or highly operational environments The successful individual will be a collaborative ...

Scala Developer

Hiring Organisation
Robert Half
Location
London, UK
Employment Type
Full-time
recruit a Scala Developer on a 6 months contract basis. Hybrid working - London based Role The Scala Developer will develop highly performant, highly availability, fault tolerant systems that are packaged in containers and deployed on the cloud Scale, manage and build tools to monitor them Determine non-functional requirements … experience of a wide range of best of breed open source and commercial technologies - Scala, Kubernetes, Docker, AWS. Experience of software development for high capacity, high traffic, high availability websites/systems Delivery experience within an agile project is essential Company Global market leading e-commerce ...

Scala Developer

Hiring Organisation
Robert Half
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
Salary negotiable
recruit a Scala Developer on a 6 months contract basis. Hybrid working - London based Role The Scala Developer will develop highly performant, highly availability, fault tolerant systems that are packaged in containers and deployed on the cloud Scale, manage and build tools to monitor them Determine non-functional requirements … experience of a wide range of best of breed open source and commercial technologies - Scala, Kubernetes, Docker, AWS. Experience of software development for high capacity, high traffic, high availability websites/systems Delivery experience within an agile project is essential Company Global market leading e-commerce ...