1 to 25 of 292 High Availability Jobs in the UK

DBA (SQL) - 6-month FTC

Hiring Organisation
Saga Group
Location
Folkestone, Kent, South East, United Kingdom
Employment Type
Contract
Contract Rate
£45,000
team. You will report to the Lead Technology Engineer and work alongside our expert DBAs. In this role you will be responsible for the availability, security, performance and stability of the SQL platforms used across the Saga Group. We will require you to have at least mid-level skill … need to be proficient with backups/recovery, monitoring, security, and SSIS/SSRS for ETL/reporting and monitoring tools. Also, knowledge of high availability (e.g., Always On, clustering), disaster recovery, security management and data migration would be beneficial for this FTC support to the team. ...

SQL Server DBA

Hiring Organisation
Pontoon
Location
Chester, Cheshire, United Kingdom
Employment Type
Contract
Contract Rate
£500/hour
Opportunity We're partnering with a leading global financial services organisation to find an experienced SQL Server Database Administrator. This role sits within a high-performing technology environment responsible for supporting large-scale, business-critical database platforms. You'll work as part of a collaborative team ensuring database systems … security, and availability. Implement and maintain data models, database designs, and access structures. Monitor database health and performance, proactively diagnosing and resolving issues. Support high availability and disaster recovery solutions, including clustering, database mirroring, log shipping, and AlwaysOn replication. Perform database performance tuning and optimisation using tools such ...

Network Engineer - Financial Services

Hiring Organisation
Ashdown Group
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£70,000
team. This is a key role with responsibility for the design, delivery, and ongoing support of a global enterprise network , working in a complex, high-availability environment. You will play a pivotal role in modernising network infrastructure , driving technical improvements, and providing senior-level support across the organisation. … switching, firewall, and SD-WAN solutions Integrate switches, routers, wireless controllers, SDN, load balancers, NAC servers, and cloud platforms Ensure network security, resilience, and high availability across global environments Skills & Experience Required Proven experience designing and implementing networks in a large user or enterprise environment Strong Cisco background ...

Senior DevOps Engineer

Hiring Organisation
Radley James
Location
City of London, London, United Kingdom
fast-growing London-based FinTech firm building secure, scalable, and high-performance financial platforms that power digital payments, lending, and real-time financial services. As they scale the platform and expand their product offerings, they are looking for a Senior DevOps Engineer to play a key role in shaping … secure, resilient, and compliant with financial regulations. This is a hands-on technical role with strategic influence — ideal for someone who thrives in high-availability, high-security environments and enjoys mentoring others. Key Responsibilities Design, build, and maintain scalable cloud infrastructure (AWS) Lead Infrastructure as Code initiatives ...

Azure IaaS Cloud Architect

Hiring Organisation
Sonata Software
Location
United Kingdom
IaaS experience and strong FinOps discipline . This role owns the network‐first, cost‐aware infrastructure architecture for SAP workloads on Azure, ensuring secure, high‐performance, highly available, and financially optimised Azure environments. The architect will design enterprise Azure networking , lead SAP migrations to Azure IaaS , and apply FinOps … Cost‐Aware) Architect enterprise‐scale Azure IaaS platforms for SAP workloads Design and govern: SAP‐certified Azure Virtual Machines Managed disks (Premium/Ultra) Availability Sets and Availability Zones Own infrastructure sizing, capacity planning, and performance tuning for SAP HANA Define OS‐level standards (Linux/Windows ...

Cloud Architect

Hiring Organisation
Sonata Software
Location
City of London, London, United Kingdom
IaaS experience and strong FinOps discipline . This role owns the network‐first, cost‐aware infrastructure architecture for SAP workloads on Azure, ensuring secure, high‐performance, highly available, and financially optimized Azure environments. The architect will design enterprise Azure networking , lead SAP migrations to Azure IaaS , and apply FinOps … Cost‐Aware) Architect enterprise‐scale Azure IaaS platforms for SAP workloads Design and govern: SAP‐certified Azure Virtual Machines Managed disks (Premium/Ultra) Availability Sets and Availability Zones Own infrastructure sizing, capacity planning, and performance tuning for SAP HANA Define OS‐level standards (Linux/Windows ...

Director of Data & Analytics

Hiring Organisation
Forward Role
Location
Manchester, North West, United Kingdom
Employment Type
Permanent
Director of Data & Analytics Manchester (3 days per week onsite) Forward Role are thrilled to be partnering exclusively with a high-growth, PE-backed technology organisation in Manchester. As the business continues to scale, they are investing heavily in their data capability, and as part of this next phase … data strategy, architecture and operating model Build a modern, real-time data environment Drive AI-enabled self-service analytics and free up analysts for high-value insight Strengthen data quality, governance and reliability across the entire estate This role will be crucial in building out the organisation's data ...

Senior Platform Engineer

Hiring Organisation
Immersive Finance
Location
West London, London, United Kingdom
Employment Type
Permanent
Location: London (Hybrid) Type: Permanent Industry: High-Performance Trading/Financial Markets About the Company Immersive Finance provides institutional-grade risk infrastructure for digital asset derivatives. Our team comprises seasoned traders, quantitative researchers, and technologists with decades of experience at leading buy- and sell-side institutions. We specialise … delivering production code. 5-10 years in Finance or Trading Systems. Advanced C++ skills. Strong Python engineering experience. Strong understanding of databases (SQL and high-performance solutions). Expertise in building and supporting high-availability , mission-critical systems . Desireable Experience building and deploying docker containers. Experience ...

DBA Specialist

Hiring Organisation
Experis
Location
Winchester, Hampshire, United Kingdom
Employment Type
Contract
Contract Rate
£425 - £465/day
routine database maintenance tasks, including backups, restores, and patching. Monitor database performance and troubleshoot issues. Manage database security and access control. Implement and maintain high availability and disaster recovery solutions. Required Skills: Proven experience as a DBA Specialist or similar role. Strong understanding of database concepts and principles. … Azure SQL Database, Google Cloud SQL) is a plus. Experience with scripting languages (esp. PowerShell) is highly desirable. Experience with database replication, high availability, and disaster recovery solutions. Awareness of Apache Tomcat & JVM Experience of overcoming VLDB challenges. Excellent problem-solving and analytical skills. Strong communication and interpersonal ...

Principal Infrastructure Engineer

Hiring Organisation
Fortice
Location
Greater Bristol Area, United Kingdom
most challenging operational contexts out there. You’ll be the person teams look to when the problem is ambiguous, the stakes are high, and the architecture matters. Why is this role interesting? You’ll own infrastructure architecture across a growing portfolio of products and programmes You’ll influence … stay hands-on: designing, building and deploying real systems Your work will support deployed users and critical internal capabilities You’ll operate in a high-trust environment where technical decisions are made by engineers If you like solving hard problems properly, with a team of brilliant engineers, this ...

Database Administrator DBA

Hiring Organisation
Alexander Edward James Consulting Limited
Location
City of London, London, United Kingdom
Employment Type
Temporary, Work From Home
Salary
£60,000
across Azure and Microsoft SQL platforms for a growing SaaS client of ours. The position supports the wider DevOps objectives by ensuring the security, availability, integrity, and end-to-end support of database services. Working as part of a DevOps team, the role is responsible for both on-premise … based database systems, including both vendor-supplied and internally developed solutions Design and implement tactical and strategic database solutions with a focus on scalability, availability, performance, and resilience Proactively monitor the SQL Server estate to ensure high availability and optimal performance Provide operational support to internal stakeholders ...

Sybase Database Administrator

Hiring Organisation
Pontoon
Location
Bromley, London, United Kingdom
Employment Type
Contract
Contract Rate
£550 - £650/day
lookout for a skilled Sybase Database Administrator (DBA) to join us on a contract basis. If you thrive in high-stakes environments and have a passion for database management, we want to hear from you! Key Responsibilities: Installing, configuring, and maintaining Sybase ASE and Replication Server environments. Managing database … resource allocation. Diagnosing and resolving blocking, deadlocks, contention, and execution plan issues. Maintaining and improving backup and recovery strategies using Sybase Backup Server. Supporting high-availability and replication architectures, including DR environments. Conducting regular recovery testing and ensuring compliance with DR procedures. Providing L2/L3 support ...

Senior Network Infrastructure Engineer

Hiring Organisation
100% IT Recruitment Ltd
Location
Cardiff, South Glamorgan, Wales, United Kingdom
Employment Type
Permanent
Salary
£75,000
resilient, multi-domain network services. You will work across datacentre networks, secure LAN/WAN, SDN enabled virtualised environments, and deployed operational sites - ensuring high availability, compliance and adaptability in a mission critical environment. Key Responsibilities * Lead the design, configuration and support of secure multi-site LAN/… Experience * Extensive multi-site LAN/WAN experience. * Advanced configuration skills on Cisco and Cubic platforms. * Deep knowledge of BGP, MPLS, VPLS and segmentation. * High availability technologies (HSRP/VRRP equivalents). * DNS, DHCP, NAT, IP planning. * Experience in secure or Defence oriented environments. * ITIL based service management. ...

Oracle 11g DBA

Hiring Organisation
BrightBox Group
Location
United Kingdom
Employment Type
Contract
Contract Rate
£500/day
within a 24 by 7 live service environment. This role focuses on operational stability, incident resolution, performance optimisation and secure database management across a high availability Oracle estate. Responsibilities Provide production support for Oracle 11g databases within a 24 by 7 live service environment Diagnose and resolve incidents … capability Experience of performance diagnostics and tuning Experience supporting Oracle on Linux or Unix platforms Familiarity with ITIL aligned service management processes Experience supporting high availability and mission critical systems Desirable Skills: Experience with OEM, ASM or RAC Exposure to later Oracle versions Scripting capability in Shell ...

Contact Center Engineer- UCCE

Hiring Organisation
HCLTech
Location
City of London, London, United Kingdom
Location -London, UK Onsite role- 5 days from office Job Description We are seeking a Contact Center Engineer/Senior SME to own high‐severity, complex, and business‐critical incidents across Genesys Cloud CX and Cisco Unified Contact Center Enterprise (UCCE) platforms supporting mission‐critical enterprise Voice Network. This … guide platform stability initiatives, and mentor Level‐2 engineers. Key Responsibilities Incident & Problem Management (Genesys Cloud CX & UCCE) Act as L3 escalation for all high‐severity P1/P2 contact center incidents across Genesys Cloud CX and Cisco UCCE. Lead technical triage, incident bridges, and resolution strategy during major ...

3rd Line Support Engineer

Hiring Organisation
GEM Partnership
Location
LS1, Leeds, West Yorkshire, United Kingdom
Employment Type
Permanent
Salary
£40000 - £55000/annum + Excellent Benefits
improve the consistency and quality of end user support. Key Responsibilities: Act as the senior escalation point for infrastructure and network issues Maintain high availability across servers, networks and core platforms Ensure high availability, seamless connectivity, and robust protection against cyber threats through the implementation … individual further their technical career in a professional and dynamic environment, with scope for future personal and career development. Due to the high volume of applications we receive, we are unable to contact every candidate individually. If you do not hear from us within 7 days of submitting your ...

Head of Azure Platform Security

Hiring Organisation
Huxley Associates
Location
London, United Kingdom
Employment Type
Permanent
Salary
£150000 - £200000/annum
managed services, automated and auditable deployment pipelines, secrets management Nice to Have Financial services, trading, or capital markets - operational security in a regulated, high-availability, zero-downtime-tolerance environment Zero-trust architecture: BeyondCorp, Zscaler, or equivalent; conditional access policy design and implementation DDoS mitigation, BGP security, and network … managed services, automated and auditable deployment pipelines, secrets management Nice to Have Financial services, trading, or capital markets - operational security in a regulated, high-availability, zero-downtime-tolerance environment Zero-trust architecture: BeyondCorp, Zscaler, or equivalent; conditional access policy design and implementation DDoS mitigation, BGP security, and network ...

Infrastructure Engineer

Hiring Organisation
Required IT
Location
Bromley, Kent, England, United Kingdom
Employment Type
Full-Time
Salary
£55,000 - £60,000 per annum
dynamic IT infrastructure team. You will play a key role in maintaining, securing, and optimising the organisation’s network and virtual infrastructure environment, ensuring high availability, performance, and resilience across business-critical systems. This role offers a mix of BAU support and project-based work, including infrastructure upgrades … security best practices across network and virtual environments Provide 2nd/3rd line support for infrastructure and network incidents Support backup, disaster recovery, and high-availability configurations Maintain infrastructure documentation, diagrams, and configuration standards Contribute to infrastructure transformation and cloud integration initiatives Required Experience Proven experience ...

Juniper Network Engineer

Hiring Organisation
Tria
Location
Newbury, Berkshire, United Kingdom
Employment Type
Contract
Contract Rate
£600 - £650/day
Services (AWS) and Microsoft Azure. Key Responsibilities Design and implement enterprise LAN/WAN/WLAN networks using Juniper technologies Plan and deploy high-availability, resilient, and scalable network architectures Integrate on-premise infrastructure with cloud platforms (AWS, Azure) Configure and manage Juniper routers, switches, and firewalls Implement … series or equivalent) Juniper switches (EX/QFX series) Juniper SRX firewalls Solid understanding of: Routing protocols (BGP, OSPF, IS-IS) VLANs, MPLS, VPNs High-availability and failover technologies Experience integrating enterprise networks with AWS and/or Azure Strong troubleshooting capability in complex, multi-site environments Experience ...

Head of SRE

Hiring Organisation
Method-Resourcing
Location
St. Albans, Hertfordshire, South East, United Kingdom
Employment Type
Permanent
Salary
£90,000
+ Bonus + Shares Method Resourcing have partnered with a rapidly scaling, PE-backed international technology business operating in highly critical, high-availability sectors. Following significant growth and multiple acquisitions, the business is entering a major modernisation phase - including the migration of four data centres into Microsoft Azure … platform engineering functions Proven track record in infrastructure modernisation and automation Deep understanding of Infrastructure as Code (e.g. Terraform, Bicep, ARM) Experience supporting high-availability production systems Ability to manage and develop engineering teams Appreciation of modern QA automation and non-functional testing practices You do not need ...

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 ...

OpenShift Architecture & Migration Design Specialist

Hiring Organisation
KBC Technologies UK LTD
Location
Sheffield, South Yorkshire, England, United Kingdom
Employment Type
Contractor
Contract Rate
£200 - £300 per day
including cluster topology, networking, and storage. Define best practices for OpenShift cluster deployment , including multi-zone and multi-region architectures . Ensure solutions meet high availability, fault tolerance, and disaster recovery requirements . Provide architectural guidance for containerized platforms and Kubernetes-based workloads . Migration Planning & Execution Assess … experience with CI/CD tools such as Jenkins, GitHub, or ArgoCD . Experience implementing DevOps workflows in container environments . Strong knowledge of high availability, scalability, and security architecture . ...

Oracle DBA with AWS Postgres Migration - Manchester, UK

Hiring Organisation
Randstad Digital
Location
Manchester, North West, United Kingdom
Employment Type
Contract
Contract Rate
£600 - £700 per day
experienced Oracle DBA for a 6-month engagement with. In this standalone, mission-critical role, you will be the ultimate technical authority for a high-availability database estate. The Role: Act as the go-to technical expert for Oracle Database 12c, taking full ownership of stability, security … performance. Diagnose and resolve complex performance issues on high-volume transactional workloads (using AWR/ASH, SQL tuning, and execution plan reviews). Design, test, and manage robust RMAN backup and recovery strategies. Partner with Dev and QA teams to advise on schema design, query patterns, and operational impact. ...

NHS Band 5 Server and Storage Administrator

Hiring Organisation
Salt
Location
Hertfordshire, South East, United Kingdom
Employment Type
Contract
Contract Rate
Up to £160.00 per day + INside IR35 site based
engineering role where your technical decisions matter. We're looking for a sharp, proactive Server & Storage Engineer to own and optimise a complex, high-availability environment. What You'll Be Doing Own server infrastructure (Windows/Linux) across a multi-site environment Deliver 2nd/3rd line support … Patch management & system security Networking fundamentals (TCP/IP, DNS, DHCP) Proven ability to debug complex infrastructure issues end-to-end Experience working in high-availability/mission-critical environments Confident delivering 3rd line support and owning incidents Experience with enterprise server hardware (maintenance, upgrades, replacements) Familiarity with ...

Site Reliability Engineer

Hiring Organisation
Halian | Managed Services, Recruitment Agency & Contract Staffing
Location
United Kingdom
client is hiring experienced Senior Site Reliability Engineers in the UK or Germany to join a global engineering team supporting a highavailability, Java‐based platform used by customers worldwide. This role is for true SREs — not DevOps engineers. If your passion is ensuring reliability, stability, and performance … scale, we want to talk to you. What You’ll Work On Ensuring high availability, scalability, security, and reliability of production systems Managing and leading live incident response, driving RCAs and long‐term fixes Building and maintaining SLIs, SLOs, and SLAs Supporting a core Java product: patch files ...