1 to 25 of 40 High Availability Jobs in the South East

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 ...

Infrastructure Platform Architect

Hiring Organisation
Hackajob Ltd
Location
Farnborough, Hampshire, South East, United Kingdom
Employment Type
Permanent
private cloud) supporting mission-critical workloads Architect virtualisation solutions, containerisation strategies and orchestration platforms Design disaster recovery, business continuity and resilience architectures meeting MOD availability requirements Guide infrastructure modernisation programmes, legacy system migrations and technology refresh initiatives Ensure infrastructure designs comply with MOD security requirements, Classification Guides and defence … implementing enterprise-scale infrastructure platforms Strong background in cloud architecture (AWS, Azure, or equivalent) and hybrid infrastructure models Demonstrated experience with virtualisation, storage and high-availability infrastructure design Track record of leading infrastructure modernisation programmes and technology transformation Experience in defence, aerospace or government IT environments Technical Knowledge ...

Lead Oracle Applications Engineer

Hiring Organisation
SSCL
Location
Gosport, Hampshire, South East, United Kingdom
Employment Type
Permanent
Salary
£65,000
. You'll lead the development, support, and enhancement of the Equiniti application suite, ensuring stability, performance, and continuous improvement across a complex, high-availability environment. This is an opportunity to combine hands-on technical leadership with modern DevOps practices while making a real impact on systems that … upgrades and environment management. Working with complex datasets to deliver reporting, analysis and data fixes. Enhancing monitoring, logging and automation capabilities. Ensuring system stability, availability and performance across multiple environments. Providing technical leadership and mentoring within the engineering team What you will bring: Strong Oracle Applications experience. Extensive knowledge ...

Senior Infrastructure Engineer (Citrix) - DV Cleared

Hiring Organisation
Reed
Location
Milton Keynes, Buckinghamshire, England, United Kingdom
Employment Type
Temporary
Salary
£550 - £580 per day, Inc benefits
Citrix technologies, supporting both day-to-day operations and project-based deliverables. Working within a team of skilled infrastructure professionals, you will ensure the availability, performance, and security of critical virtual desktop and application services. This is an initial 6-month contract based on site in Milton Keynes. … Umbrella company. Key Responsibilities Design, build, upgrade, and support Citrix Virtual Apps and Desktops environments Provide advanced troubleshooting and performance tuning across high-availability platforms Maintain platform stability, resilience, and security Support BAU operations and infrastructure projects Integrate Citrix solutions with Active Directory and secure access technologies Identify ...

Ticketing Systems Lead

Hiring Organisation
FBI &TMT
Location
South East London, London, United Kingdom
Employment Type
Permanent
Salary
£80,000
gates, kiosks, and other passenger-facing devices that are critical to daily service delivery. You will lead a multi-disciplinary team responsible for ensuring high availability, rapid incident response, and seamless customer experience across all front office technology. Key Responsibilities Lead the end-to-end support and operation … client on: System performance Incident trends Service improvements Operational risks and mitigation Ensure systems meet contractual SLAs/KPIs , particularly those linked to customer availability and revenue protection . Identify and deliver continuous improvement initiatives , including system optimisation, reliability improvements, and operational efficiencies. Provide leadership and direction ...

Senior Infrastructure Engineer Citrix SME

Hiring Organisation
Solos Consultants Ltd
Location
Milton Keynes, Buckinghamshire, South East, United Kingdom
Employment Type
Contract
Responsibilities will include: Supporting and maintaining enterprise Citrix Virtual Apps & Desktops environments Designing, building, upgrading and optimising Citrix infrastructure Performance tuning and troubleshooting within high-availability environments Supporting BAU operations alongside infrastructure project delivery Integrating Citrix with Active Directory and secure access solutions Driving automation and continuous improvement … Apps & Desktops Enterprise Citrix administration, deployment and support Infrastructure design, upgrades and migrations Performance optimisation and complex troubleshooting Active Directory integration Secure access technologies High-availability infrastructure Infrastructure automation Working within ITIL or service-managed environments Experience working within secure or Government environments would be highly advantageous. Certifications ...

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 ...

Mechanical and Electrical Technician

Hiring Organisation
Custodian Data Centres
Location
Dartford, Kent, South East, United Kingdom
Employment Type
Permanent
Salary
£75,000
Technical Director, you'll carry out planned and reactive maintenance on critical electrical and mechanical infrastructure, ensuring maximum uptime and reliability within a high-availability environment. Key Responsibilities: Respond to reactive breakdown calls within agreed SLA timescales, minimising any risk to uptime. Maintain, fault-find, and repair modular … Senior Facilities Manager. What We're Looking For Essential: 18th Edition Wiring Regulations qualification. Experience working within a data centre, critical environment or other high-availability facility. Desirable: Working knowledge of BMS, HVAC systems, chilled water circuits, CRAC/CRAH units, and chilled beams. A good grasp ...

Application Support Engineer (Cash Equities)

Hiring Organisation
Lorien
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
Salary negotiable
Equities London (100% office) 12 months (initial) Competitive (Via Umbrella) Overview We are seeking an experienced Application Support Engineer (AVP level) to join a high-performing Application Production Support (APS) team within a leading global investment bank in London. You will play a critical role supporting a low-latency … developers to ensure stability, performance, and continuous improvement of a mission-critical execution environment. This is an excellent opportunity to gain exposure to high-frequency trading systems, global markets, and cutting-edge real-time technologies in a fast-paced environment. Key Responsibilities Provide hands-on Level 1/ ...

Senior Platform Engineer

Hiring Organisation
Talent Locker
Location
Farnborough, Hampshire, South East, United Kingdom
Employment Type
Permanent
Salary
£75,000
efficient software delivery. Implementing monitoring, observability and operational tooling to improve platform reliability. Working closely with Site Reliability Engineering and Operations teams to ensure high availability and resilience. Supporting incident response, root cause analysis and continuous improvement initiatives. Acting as a technical mentor, promoting engineering standards and best ...

Senior DevOps Engineer

Hiring Organisation
Halian Technology Limited
Location
Reading, Berkshire, South East, United Kingdom
Employment Type
Permanent
Salary
£85,000
work in a purpose-driven company! Requirements: Proven experience (5+ years) in a DevOps or similar role, ideally within a cloud-first, SaaS, or high-availability environment. Strong expertise with Azure (preferred), AWS, or Google Cloud and familiarity with cloud-native tools and services. DevOps experience ...

Linux System Administrator

Hiring Organisation
Boeing
Location
Milton Keynes, Buckinghamshire, UK
Redhat Certification RHSA or RHCEFluency in at least once scripting language such as Ruby, PowerShell, Python or Java.Experience of working within a secure and high availability environmentd.Employer will not sponsor applicants for employment visa status. Relocation: This position does not offer relocation. Candidates must live in the immediate ...

Database Administrator (DBA)

Hiring Organisation
Technify Talent Limited
Location
Reading, Berkshire, United Kingdom
Employment Type
Permanent
Salary
£70000 - £80000/annum
shape the data platform behind a mission-critical technology solution. We're looking for an experienced Database Administrator to take ownership of a complex, high-availability database environment that supports a sophisticated operational software platform. This is an opportunity to join an innovative engineering team where reliability, performance …/MySQL databases. Develop and manage robust database schema migrations with safe deployment, validation and rollback processes. Monitor, analyse and optimise database performance in high-volume, write-intensive environments. Design and maintain backup, recovery and data retention strategies, regularly validating restore processes. Implement and maintain database security, permissions ...

Frontend/Microservices Architect

Hiring Organisation
FBI &TMT
Location
Southampton, Hampshire, South East, United Kingdom
Employment Type
Permanent
Salary
£90,000
projects Collaborate with stakeholders, including customers, to develop and maintain software Assist the software engineering manager in requirements management, estimation, and planning Focus on high-level architecture and long-term technical strategy Innovate solutions to improve software processes and quality Integrate software with hardware to deliver complete systems Optimise … application architectures for scalability and performance Monitor system performance and troubleshoot issues to ensure high availability and reliability Design, implement, and maintain CI/CD pipelines to automate software delivery processes Supervisory Responsibilities: Technical mentoring of engineers across the organisation Sprint board management Required Skills: Ability to make ...

SQL Server DBA

Hiring Organisation
The Curve Group
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
Salary negotiable
critical SQL Server environments performing at their best. What they're looking for: Strong Production SQL Server Administration experience Performance tuning and troubleshooting expertise High Availability & Disaster Recovery experience Always On Availability Groups (a real priority for the hiring manager) Experience supporting large, business-critical SQL Server ...

Infrastructure Engineer (Need Banking or Financial Services Background)

Hiring Organisation
2MRW GROUP LIMITED
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£70,000 - £75,000 per annum
across the organisation's core technology platforms while supporting wider transformation initiatives. Your responsibilities will include: Managing Windows Server and Linux environments to ensure high availability and operational stability. Supporting and optimising VMware virtual infrastructure across production environments. Maintaining enterprise backup, recovery and disaster recovery capabilities using industry … leading technologies. Monitoring infrastructure performance and proactively resolving capacity, availability and resilience issues. Administering Microsoft 365 services and supporting hybrid infrastructure technologies. Managing Active Directory, Group Policy, identity administration and user access management. Supporting desktop operating systems, laptops, mobile devices and collaboration technologies across multiple office locations. Maintaining endpoint ...

Senior Systems Engineer (Server and Cloud Technologies Specialist)

Hiring Organisation
Trusted Technology Partnership
Location
Ringwood, Hampshire, South East, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£55,000
Intune. Strong experience in managing Windows Server environments (2016, 2019, 2022, 2025). Proficiency in automation and scripting using PowerShell. Experience with virtualisation and high availability solutions, including Hyper-V (clustered and standalone), Windows Admin Centre, and Failover Clustering. Working knowledge of SQL Server in both clustered … troubleshooting and problem-solving skills, with the ability to diagnose and resolve complex technical issues. Excellent communication skills, including the ability to produce clear, high-quality documentation such as processes, procedures, and technical designs. Positive, proactive attitude with a strong sense of ownership. Desirable: Experience designing and deploying highly ...

Test lead

Hiring Organisation
TECHNEST TALENT LTD
Location
Worthing, West Sussex, United Kingdom
Employment Type
Contract
Contract Rate
£400/day Remote, outside IR35
Operational Acceptance Testing (OAT), Operational Readiness Testing (ORT), and Non-Functional Testing. Knowledge of cloud platforms such as Azure, AWS, or GCP. Experience testing high availability, resilience, backup and recovery, monitoring, and security. Experience using Jira for test planning, execution, and defect management. Strong stakeholder management, leadership ...

Principal Platform Architect (OpenShift)

Hiring Organisation
F5 consultants
Location
Reading, Berkshire, South East, United Kingdom
Employment Type
Permanent
engineering, microservices and cloud-native technologies Infrastructure as Code (Terraform), CI/CD and automation Hybrid cloud and/or on-premise platform environments High availability, resilience, disaster recovery and platform security Working within large enterprise, managed services or regulated environments This role would suit someone ...

NOC Operations Manager

Hiring Organisation
Spectrum IT Recruitment
Location
Slough, Berkshire, United Kingdom
Employment Type
Permanent
Salary
£65000 - £70000/annum Bonus and Benefits
smooth operation of business-critical systems while driving continuous improvement across our managed services. From overseeing Linux and Windows environments to managing VMware, networking, high availability, security and automation, you'll be at the heart of delivering exceptional service to our customers. You'll prioritise workloads, manage incidents ...

Infrastructure Test Lead

Hiring Organisation
TechNest Talent
Location
Worthing, West Sussex, South East, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
£88,704
/WAN/Firewalls/VPN) Storage, backup, and recovery systems Cloud infrastructure (Azure/AWS/GCP) Patching, configuration, and hardening validation High availability and failover testing Monitoring, logging, and alert systems (Splunk, Dynatrace, etc.) Validate operational aspects: Maintainability Scalability Supportability Logging & monitoring Runbook readiness Access & security ...

IT Network Hosting Services Engineering Lead

Hiring Organisation
Hays Specialist Recruitment Limited
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£850 per day
internet-facing platforms. Proven expertise with AWS, Azure, GCP, and/or Oracle Cloud networking. Strong understanding of BGP, multicast, low-latency networking, and high-availability architectures. Experience supporting market data platforms, trading infrastructure, or real-time data distribution environments. Strong knowledge of network security architecture, segmentation ...

JAVA Microservices - Back-end Developer -

Hiring Organisation
Randstad Digital
Location
Burgess Hill, West Sussex, South East, United Kingdom
Employment Type
Permanent
Salary
£55,000
seeking a talented Java Backend Engineer to join a dynamic team. This role is focused on building high-performance, scalable software within a distributed enterprise environment. Location: Burgess Hill, UK (On-site 3 days per week is mandatory) Employment Type: Permanent/FTE The Role You will contribute … development lifecycle-from design and debugging to deployment and monitoring. You will be responsible for building world-class applications that meet the needs of high-transaction business and customer-facing environments. Key Responsibilities Develop & Scale: Build high-quality software using distributed enterprise frameworks and scale applications based ...

Senior Solution Architect

Hiring Organisation
Sanderson Recruitment
Location
Surrey, South East, United Kingdom
Employment Type
Permanent, Work From Home
function as part of its long-term digital transformation strategy. This is an exciting opportunity for an experienced Senior Solution Architect to join a high-performing architecture team, where you'll play a key role in designing and delivering enterprise-wide technology solutions. You'll work closely with senior … across infrastructure, networking, security, middleware and integration technologies Experience with architecture governance, design authorities and technical assurance Strong understanding of security, risk management and high-availability solution design Knowledge of microservices, event-driven architecture and modern architectural patterns Experience supporting Agile delivery environments using tools such as Jira ...

Senior Python Engineer

Hiring Organisation
Method-Resourcing
Location
Watford, Hertfordshire, South East, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£75,000
powering critical customer-facing systems Breaking down and modernising legacy applications into distributed services Working on systems processing millions of events every day with high availability requirements Writing clean, well-tested, maintainable code following engineering best practice Participating in architecture discussions and technical design Mentoring engineers through code ...