1 to 25 of 80 High Availability Jobs in the South East

Third Line Support Engineer (Senior Infrastructure & Support Specialist)

Hiring Organisation
THAMES 360
Location
Banbury, Oxfordshire, England, United Kingdom
Employment Type
Full-Time
Salary
£45,000 - £60,000 per annum
Main Job Purpose We are seeking an experienced Third Line Support Engineer to provide advanced technical support, own complex infrastructure issues, and ensure the high availability, security, and performance of critical IT systems. This senior hands-on role focuses on resolving escalated incidents, maintaining and optimising virtualised … deep technical troubleshooting across servers, networks, cloud platforms, virtualisation (VMware), container orchestration (Kubernetes), and Progress OpenEdge databases. Perform root-cause analysis on recurring or high-impact issues and implement preventive measures. Maintain high availability of critical systems through proactive monitoring, patching, updates, and performance tuning. Infrastructure Management ...

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. ...

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 ...

Oracle Database Administrator

Hiring Organisation
Stott and May
Location
Wokingham, England, United Kingdom
maintenance and optimisation of database systems. You will work closely with application development, infrastructure and architecture teams to support business-critical systems and ensure high availability, performance and compliance. Key Responsibilities Install, configure and maintain Oracle and SQL Server database environments Perform database upgrades, patching, migrations and backup … security policies Monitor and optimise database performance (indexing, partitioning, AWR reports, tracing) Troubleshoot slow-running queries and optimise SQL code Implement and manage high availability and disaster recovery solutions including RMAN, Data Guard, ASM and SQL Server AlwaysOn Conduct backup validation, disaster recovery planning and failover testing Ensure ...

VOIP and Infrastructure Engineer - Milton Keynes

Hiring Organisation
Circle Group
Location
Milton Keynes, Buckinghamshire, South East, United Kingdom
Employment Type
Permanent
Salary
£70,000
improving corporate and production IT systems, both on-premise and in the cloud. The Role You will play a key role in ensuring system availability, improving operational resilience, and supporting critical infrastructure. You'll work across Linux and Windows environments, manage cloud platforms, implement cyber security measures, and contribute … ongoing optimisation and documentation of IT systems. This is an excellent opportunity to take ownership of infrastructure that supports high-availability, security-critical services. Key Responsibilities Provision and support IT infrastructure and systems Administer Linux and Windows operating systems Manage cloud platforms (Azure, AWS, Google Cloud, Microsoft ...

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 ...

Oracle Database Administrator (DBA)

Hiring Organisation
Deerfoot Recruitment Solutions
Location
Letchworth Garden City, Hertfordshire, South East, United Kingdom
Employment Type
Permanent
Salary
£60,000
annum depending on experience and skills. Job Summary We're seeking an experienced Oracle Database Administrator (DBA) to ensure the performance, availability, security, and integrity of mission-critical Oracle database environments for our client. This role combines proactive maintenance, incident resolution, and strategic improvements across on-premise and cloud … platforms. You'll work primarily remotely, joining a collaborative technical team. Key Responsibilities Administer, configure, and maintain Oracle databases to ensure high availability and performance. Monitor database health and performance, identifying bottlenecks and tuning systems effectively. Perform backup, recovery, patching, and upgrade operations , including disaster recovery planning. Collaborate ...

Data Centre Electrical Shift Manager - Technical

Hiring Organisation
PRS
Location
Slough, England, United Kingdom
Technical Data Centre 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 @5K Bonus … 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/ ...

Senior Citrix Infrastructure Engineer

Hiring Organisation
Rise Technical Recruitment Limited
Location
Milton Keynes, Buckinghamshire, England, United Kingdom
Employment Type
Contractor
Contract Rate
£550 - £600 per day
environment. Experience Required: * Extensive experience with Citrix Virtual Apps and Desktops * Design, build, upgrade and support of Citrix environments * Performance tuning and troubleshooting in high-availability environments * Integration with Active Directory and secure access solutions * Understanding of user experience optimisation in virtual desktop platforms * Experience operating Citrix … troubleshooting Strong indicator of enterprise-scale Citrix experience Citrix Certified Expert - Virtualization (CCE-V) (desirable for senior SMEs) Architecture-level knowledge Suitable for complex, high-availability environments Rise Technical Recruitment Ltd acts an employment agency for permanent roles and an employment business for temporary roles. The salary advertised ...

Senior Full Stack Engineer

Hiring Organisation
MarkIT Placements
Location
Didcot, Oxfordshire, South East, United Kingdom
Employment Type
Contract
Contract Rate
From £500 to £700 per day
permanent Key Responsibilities Yourresponsibilitieswillinclude, but not limited to: Backend architecture &APIs (primary focus) Design and evolve scalable backend services in Python using FastAPI for high-availability, high-throughput workloads. Build well-versioned RESTful APIs aligned to OpenAPI/Swagger, with strong conventions for consistency, idempotency, and backward …/ECS). Experience with API versioning, security, documentation strategies, and automated testing. Strong problem-solving skills and the ability to work independently with high ownership. Soft skills High-agency engineer who owns outcomes end to end. Pragmatic, research-driven approach with a bias to ship and iterate. ...

Windows Platform Engineer

Hiring Organisation
Robert Walters
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£90,000 - £110,000 per annum
optimisation of resource allocation, efficient load distribution, and latency reduction across critical platforms.* Establish Service Level Objectives (SLOs) to ensure consistent achievement of availability and latency targets for all infrastructure components.* Develop proactive monitoring mechanisms that identify early warning signs rather than merely responding to outages, thus facilitating timely … automation of operational tasks.* Comprehensive knowledge of backup and recovery protocols ensures data integrity across all platforms under your stewardship.* Mastery in clustering technologies, high-availability configurations, replication techniques, and disaster recovery planning is crucial.* The ability to optimise network, storage, server, and virtualisation layers for peak performance ...

Senior DevOps Engineer SC-Cleared

Hiring Organisation
Lorien
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
Competitive salary
week in the office (base office can be London or Leeds) Please note: An active SC Clearance is required for this role Our high-profile Banking client is seeking a highly skilled Senior DevOps Engineer to join the team responsible for the Bank's Real-Time Gross Settlement (RTGS … Strong production support experience, including on-call and OOH releases. Significant hands-on experience with on-prem Kubernetes/OpenShift. Linux systems administration in high-availability environments. Infrastructure as Code using Terraform, with CI/CD integration (Jenkins). Deep understanding of observability tooling: ELK, Splunk, Prometheus, Grafana. ...

Senior Java Full Stack Engineer

Hiring Organisation
Total Recruitment Group
Location
Oxford, Oxfordshire, South East, United Kingdom
Employment Type
Contract
Contract Rate
Up to £530 per day Inside IR35
month onsite in Oxford Contract Were hiring a security-focused Fullstack Java Engineer (Java + Angular) to support the modernisation of high-availability, cloud-native digital services operating at scale. This role is centred around secure coding, scalable architecture, relational database design, and strong cross-team communication within … DevSecOps environment. What Youll Be Doing: Designing and building secure, scalable microservices Developing high-performance REST APIs backed by Postgres/Oracle (advanced SQL, performance tuning, schema design) Modernising legacy systems into resilient, cloud-native architectures Embedding secure coding standards, identity and secrets management Supporting CI/CD pipelines ...

Dev Ops Engineer

Hiring Organisation
Comoro
Location
Caterham, Surrey, United Kingdom
Employment Type
Permanent
Salary
£45000 - £55000/annum Plus benefits
ensure proactive incident response. Deploy and manage containerised applications using Docker and orchestrate environments. Monitor system performance, identify bottlenecks, and implement solutions for high availability and scalability. Collaborate with developers to integrate DevOps best practices into the software development lifecycle. Ensure security and compliance across cloud ...

Azure Cloud Engineer

Hiring Organisation
COMPUTACENTER (UK) LIMITED
Location
Milton Keynes, Buckinghamshire, South East, United Kingdom
Employment Type
Permanent
ability to operate effectively within an agile, service-oriented team. This role involves contributing to platform stability, implementing continuous improvements, and ensuring reliable, high-quality support for enterprise-scale Azure infrastructure while collaborating closely with senior team members and stakeholders. Core Responsibilities: Perform root cause analysis, investigation, diagnosis … reporting of cloud-related issues. Monitor and optimize Azure environments to ensure high availability, performance, and security. Troubleshoot and resolve build, deployment, and infrastructure issues. Ensure compliance with industry standards and best practices for security, scalability, and reliability. Create and maintain detailed documentation for processes, configurations, and procedures. ...

Azure Cloud Engineer

Hiring Organisation
COMPUTACENTER (UK) LIMITED
Location
Hatfield, Hertfordshire, South East, United Kingdom
Employment Type
Permanent
ability to operate effectively within an agile, service-oriented team. This role involves contributing to platform stability, implementing continuous improvements, and ensuring reliable, high-quality support for enterprise-scale Azure infrastructure while collaborating closely with senior team members and stakeholders. Core Responsibilities: Perform root cause analysis, investigation, diagnosis … reporting of cloud-related issues. Monitor and optimize Azure environments to ensure high availability, performance, and security. Troubleshoot and resolve build, deployment, and infrastructure issues. Ensure compliance with industry standards and best practices for security, scalability, and reliability. Create and maintain detailed documentation for processes, configurations, and procedures. ...

Senior Network Engineer

Hiring Organisation
BPHA
Location
Bedford, Bedfordshire, South East, United Kingdom
Employment Type
Permanent
Salary
£65,000
Design, implement, and maintain robust, secure, and scalable network infrastructure solutions? Are you able to ensure high availability, performance, and security of bpha's network systems while mentoring junior staff and collaborating across IT teams? Then we want to hear from you! We're looking for someone … standards. Implement and manage network security measures (firewalls, VPNs, IDS/IPS). Configure and maintain routers, switches, wireless systems, and firewalls. Deploy scalable, high-performance network solutions with minimal downtime. Conduct regular network maintenance, updates, and upgrades. Perform security audits and vulnerability assessments. Respond to and mitigate network ...

Senior Linux Red Hat Engineer

Hiring Organisation
BOSS Professional Services LTD
Location
High Wycombe, Buckinghamshire, England, United Kingdom
Employment Type
Contractor
Contract Rate
£400 - £500 per day
virtualized environment. Experience in firewall configuration and management. Solid experience in network configuration and management. System monitoring. Monitor, troubleshoot, and optimize network performance, ensuring high availability and minimal downtime. Microsoft AD and Remote Desktop Services (W2019). Experience of PowerShell/Bash scripting (Bash, Korn, C, Shell … hardware The day-to-day duties for the Senior Linux Engineer are: Maintain the company's DR infrastructure. Monitoring of key systems to ensure availability and capacity requirements are met. Be responsible for the scheduling and prioritisation of I&O tasks. Work closely with the senior management team ...

Red Hat Deployment and Platform Engineer

Hiring Organisation
Stackstudio Digital Ltd
Location
Wokingham, Berkshire, South East, United Kingdom
Employment Type
Contract
Contract Rate
From £400 to £420 per day
Cleared Preferred SC Eligible Can be considered The Role We are seeking an experienced Red Hat Deployment and Platform Engineer to join our high-performance engineering team. The ideal candidate will be responsible for deploying, automating, and maintaining enterprise-grade platforms built on Red Hat technologies and container orchestration … Responsibilities Platform Deployment & Engineering Deploy, configure, and manage platforms based on Red Hat Enterprise Linux and related technologies. Implement and maintain Kubernetes clusters, ensuring high availability, scalability, and secure configurations. Manage build, deployment, and orchestration processes using Jenkins and similar CI/CD tools. Deployment Automation & Pipeline Management ...

Senior Backend Developer

Hiring Organisation
Skilliantech Ltd
Location
Slough, Berkshire, UK
Employment Type
Full-time
Boot, microservices architecturesto design, build, and scale backend systems in a cloud-native environment. The role requires a hands-on engineer who can deliver high-quality services, collaborate across teams, and contribute to architectural and design decisions. Roles & Responsibilities Design, develop, and maintain scalable backend servicesusing Java and Spring … Boot Build and support microservices-based architectureswith high availability and performance Develop and consume RESTful APIsand event-driven services Collaborate with frontend, DevOps, and product teams to deliver end-to-end solutions Participate in design discussions, code reviews, and technical decision-making Ensure code quality through unit testing ...

Application Coordinator

Hiring Organisation
EMBL-EBI
Location
Saffron Walden, Essex, South East, United Kingdom
Employment Type
Permanent, Work From Home
EBIs training mission. The role requires strong technical leadership, stakeholder management, and a holistic view of platform operations to ensure efficiency, cost control, and high service quality across all environments. In addition, the Platform Coordinator will lead the Solutions Architecture function, driving the standardisation of platform and solution architectures … plans for the platform team. Oversee the lifecycle of technical projects, ensuring timely delivery and adherence to best practices. Manage operational performance and ensure high availability of both on-premises and cloud platforms. Maintain and develop strong collaborative relationships with IT teams and EMBL-EBI service stakeholders. Lead ...

AWS Cloud Platform Manager

Hiring Organisation
Ciphr
Location
Reading, England, United Kingdom
identify and resolve issues, implement automation and monitoring solutions, and drive continuous improvement across our infrastructure. Your leadership will be instrumental in fostering a high-performing, innovative engineering culture, optimising system performance, and minimising downtime. You will also be responsible for managing cloud costs effectively, ensuring spend remains within … optimise cloud infrastructure usage to ensure cost efficiency, maintaining spend within agreed budgets. Ensure the optimal performance of cloud services , delivering a seamless and high-quality experience for end users. Take accountability of the on-call rota , ensuring appropriate coverage, managing participation, and leading rapid incident response to maintain ...