51 to 75 of 79 High Availability Jobs in the South East

IT Manager

Hiring Organisation
Robert Half
Location
Milton Keynes, Buckinghamshire, England, United Kingdom
Employment Type
Contractor
Contract Rate
Salary negotiable
within a fast paced, regulated environment. Responsibilities: Manage and maintain all IT infrastructure including networks, servers, cloud platforms, endpoints, and core business applications Ensure high availability, performance, resilience, and security of IT systems Oversee 1st, 2nd, and 3rd line support and act as the senior escalation point Establish ...

Networking Specialist

Hiring Organisation
Ncounter
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£160,000 - £180,000 per annum
trusted as a senior technical authority, taking ownership of routing architecture, contributing to strategic decisions, and ensuring the network can support real-time, high-throughput workloads. Key Responsibilities: • Design and operate resilient network architectures across LAN, WAN, data centre, and cloud environments • Own and optimise routing and traffic flows … improve network resilience, throughput, and operational efficiency What We’re Looking For: You will be an experienced network engineer who has worked in demanding, high-availability environments where routing stability and performance are critical. Strong practical experience with BGP, OSPF, and multicast networking is essential, alongside confidence working ...

Software Developer

Hiring Organisation
Vermillion Analytics
Location
Epsom, Surrey, England, United Kingdom
Employment Type
Full-Time
Salary
£50,000 - £60,000 per annum
architecture of a next-generation SaaS platform Build robust microservices that scale and perform Develop in .NET and C# on the backend Create intuitive, high-performing frontends with React and TypeScript Deploy cloud-native solutions in Azure Collaborate closely with senior technical leadership, helping set engineering standards See your … Azure) A solid grasp of SOLID principles, clean architecture, and maintainable code Bonus if you have worked in SaaS, public sector systems, or scalable high-availability platforms. How You Will Start Month 1 – Office-Based in Epsom Weeks 1–2: Immerse yourself in the product and business, meet ...

Senior Network Engineer - £70,000

Hiring Organisation
Hamilton Barnes
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£60,000 - £70,000 per annum
Role You will be responsible for supporting and delivering network infrastructure across customer environments, working closely with internal engineering teams and stakeholders to ensure high availability and performance. Responsibilities include: • Implementation and configuration of enterprise network infrastructure • Supporting LAN, WAN, and wireless environments • Troubleshooting and resolving complex network ...

Infrastructure Engineer

Hiring Organisation
VIQU IT
Location
Portsmouth, Hampshire, United Kingdom
Employment Type
Contract
Contract Rate
£350 - £450/day
Engineer, you will be responsible for maintaining, supporting, and optimising the organisation’s core infrastructure estate. You’ll play a key role in ensuring high availability, performance, and security across the Windows-based environment. This is an excellent opportunity for someone who enjoys operational stability, proactive improvement ...

IT Applications Analyst

Hiring Organisation
Larbey Evans
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£55,000 per annum
Hybrid working (3 days office/2 days remote) You will focus on the operational support and continuous improvement of enterprise application environments, ensuring high availability, security, and performance. Key responsibilities include day-to-day maintenance, patching, monitoring, and user support across critical systems, while also contributing ...

ServiceNow Architect

Hiring Organisation
Infoplus Technologies UK Ltd
Location
Reading, Berkshire, South East, United Kingdom
Employment Type
Contract
Contract Rate
From £500 to £550 per day
ability to create and debug patterns for application services. Sound understanding of ITIL/ITSM processes, including incident, problem, and change management. Experience with high-availability, multi-tier architectures. Preferred : ServiceNow Certified Implementation Specialist Event Management (CIS-EM) is preferred. Additional ServiceNow certifications (CSA, CAD, CIS-ITOM ...

Oracle DBA

Hiring Organisation
Adecco
Location
Wokingham, Berkshire, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £600/day
managing an extensive Oracle database estate, ranging from legacy systems to modern deployments. Key Responsibilities: Provide 24x7 database management and administration expertise in high availability environments. Conduct proactive maintenance and monitoring of Oracle databases. utilise change, problem, incident, and release management tools effectively. Liaise with third-party service ...

Network and Firewall Specialist

Hiring Organisation
GTC Recruitment
Location
Aldermaston, West Berkshire, Berkshire, United Kingdom
Employment Type
Contract
Contract Rate
£44.99/hour
join a secure environment. This hands-on role involves installing, configuring, and troubleshooting network devices, with a focus on Juniper technologies, network security, and high-availability infrastructure. Key Requirements Strong Juniper experience (EX, QFX, SRX/vSRX) Experience installing switches and firewalls Solid networking knowledge ( OSPF … tunnels Familiarity with PKI/certificate management Technical background Responsibilities Monitor network performance and manage incidents Troubleshoot and resolve network issues Support capacity and availability planning Work with stakeholders and third parties Produce Low-Level Designs (LLDs) Provision and configure network devices Additional Info Participation in on-call rota ...

IT Support Engineer

Hiring Organisation
VERTECH GROUP (UK) LTD
Location
Oxford, Oxfordshire, South East, United Kingdom
Employment Type
Permanent
Salary
£45,000
based operations team. This role sits at the heart of a 24/7 production environment, supporting business-critical systems and ensuring platform stability, availability, and performance The role: Youll be responsible for BAU support of Microsoft-based production systems, working from alerts through to resolution. The focus … delivery Technology environment: Windows Server and Windows OS IIS (web services and application hosting) SSL/certificate management Azure-hosted infrastructure Load-balanced and high-availability setups Monitoring and alert-driven support workflows Essential: Strong Windows Server and OS administration experience Confident supporting IIS and web-hosted services ...

Data Centre Engineer

Hiring Organisation
Birchwell Associates Ltd
Location
Farnborough, Hampshire, South East, United Kingdom
Employment Type
Permanent
Salary
£40,000
hire a Data Centre Engineer for their Farnborough site. This is a client-facing, hands-on role supporting day-to-day operations within a high-availability environment, working closely with internal teams and external suppliers to ensure optimal performance and service delivery. Key Responsibilities Support the daily operation … helpdesk or ticketing systems Good knowledge of IT infrastructure and basic networking concepts Familiarity with BMS systems and monitoring tools Proven ability to deliver high-quality, client-facing support Strong communication skills and a proactive, organised approach Proficient in Microsoft Office tools (Word, Excel, SharePoint) Desirable Understanding of data ...

SQL Systems Engineer

Hiring Organisation
Picture More
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£75,000 - £95,000 per annum
document management systems What they’re looking for: 5+ years SQL Server DBA experience Strong performance tuning and troubleshooting skills Experience with SQL Server high availability technologies Exposure to Azure SQL/cloud platforms Experience in legal or professional services is beneficial Up to £95k + bonus + ...

.NET Developer

Hiring Organisation
Noir
Location
Stoke D'Abernon, Cobham, Surrey, England, United Kingdom
Employment Type
Full-Time
Salary
£35,000 - £50,000 per annum
seeking .NET Developer to work out of their plush offices in the heart of Leatherhead. You will be working on the development of high-availability and highly-transactional .NET/C# applications which will be critical to the launch of their new online music shopping channel. ...

Lead Platform & Resilience Architect - 6 Month Contract - £555 Per Day

Hiring Organisation
Stealth IT Consulting Limited
Location
Wokingham, Berkshire, South East, United Kingdom
Employment Type
Contract
Contract Rate
Up to £555 per day Up to £555 per day
define, lead, and deliver resilience strategies across a complex, multi-cluster OpenShift environment. This role blends strategic ownership with hands-on technical depth, ensuring high availability, disaster recovery, regulatory alignment, and platform performance at scale. What Youll Be Doing Define and maintain end-to-end platform resilience strategies ...

Data Centre Manager

Hiring Organisation
Birchwell Associates Ltd
Location
Farnborough, Hampshire, South East, United Kingdom
Employment Type
Permanent
Salary
£75,000
site in Farnborough. This is a senior position with full responsibility for operational performance, client engagement, and the management of critical infrastructure within a high-availability environment. Key Responsibilities Lead and manage on-site operations, ensuring 24/7 uptime and service excellence Oversee third-party providers across ...

Senior Electrical Engineer

Hiring Organisation
Blackedge Consulting
Location
Wokingham, England, United Kingdom
critical facilities Strong expertise in MV/LV systems, critical power distribution, UPS, standby generation and switchgear Proven experience designing resilient electrical systems for high-availability environments Strong understanding of redundancy principles (N, N+1, 2N) Experience working within multidisciplinary MEP design teams Familiarity with BIM and digital engineering ...

Infrastructure Engineer - DV Cleared

Hiring Organisation
CBSbutler Holdings Limited trading as CBSbutler
Location
Farnborough, Hampshire, United Kingdom
Employment Type
Contract
Contract Rate
£600 - £700/day
Inside IR35) 6-Month Rolling Contract Overview We are seeking an experienced Infrastructure Engineer to support BAU operations within a secure, high-assurance environment. This role requires strong VMware expertise and an active MOD DV clearance . You will be responsible for maintaining and optimising virtual infrastructure, ensuring high availability, performance, and security across critical systems. Key Responsibilities Administer and manage VMware vSphere environments, including ESXi hosts, vCenter, clusters, and resource pools Design, deploy, and support vSAN hyper-converged storage solutions Configure and maintain HA/DRS to ensure resilient and highly available platforms Manage VMware networking ...

IT Service and Infrastructure Manager

Hiring Organisation
Golding Homes
Location
Maidstone, Kent, South East, United Kingdom
Employment Type
Permanent
Salary
£70,000
service issues, taking ownership through to resolution Troubleshooting and resolving issues across servers, networks, cloud platforms, and core services Proactively monitoring system performance, availability, and security, addressing issues before they impact users Designing, maintaining, and improving infrastructure to ensure resilience, scalability, and reliability Working directly with suppliers and partners … environments, informed technical decision making, and the ability to interpret and monitor- cloud cost breakdowns and consumption across services Service Ownership and improvement Ensuring high availability and reliability of IT services that support colleagues and business operations Working closely with suppliers and partners to drive cost optimisation, service ...

Senior 3rd Line Support Specialist

Hiring Organisation
IT Search & Select
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£55,000 - £75,000 per annum
t. This role is built for someone who wants to be out in the field—on client sites, leading deployments, stabilising environments, and delivering high-value technical work across borders. The role • Own complex escalations across Microsoft cloud and on-prem technologies. • Deliver hands-on project work: migrations, rollouts … Work closely with architects and service managers to ensure seamless delivery across multiple regions. • Bring stability, clarity, and confidence to clients operating in demanding, high-availability environments. You are • A seasoned 3rd line engineer with strong Microsoft stack experience. • Comfortable working independently in unfamiliar environments. • Confident with project ...

Apprentice Maintenance and Operations Technician Level 3 (1)

Hiring Organisation
ZENIUM TECHNOLOGY PARTNERS LIMITED
Location
12 Liverpool Road, Slough, England
Employment Type
Advanced Apprenticeship
Salary
£18,000 a year
This is a critical engineering role with an enviable list of high-profile customers. CyrusOne’s primary aim is to maintain a 100% uptime and deliver best in class service whilst operating some of the most efficient and cost-effective DC’s within the industry. Role This role … grade 4-9 (Essential) About the Employer ZENIUM TECHNOLOGY PARTNERS LIMITED CyrusOne is a global leader in the development and operation of sustainable, scalable, high-availability and flexible data center solutions. ...

Senior Storage Engineer-NetApp-Enterprise Storage- Higher Education

Hiring Organisation
Morson Edge
Location
Luton, Bedfordshire, South East, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
£450 - 465 per day
storage virtual machines (SVMs), snapshots and snapMirror. • Experience of designing and support enterprise storage solutions, capacity planning and performance tuning. • Experience of working with High availability (HA pairs, clustering) • Knowledge of Firmware and ONTAP upgrades • Experience of storage migrations and data lifecycle management. • Strong understanding of backup fundamentals ...

Web logic, ODI Infra Admin

Hiring Organisation
Stackstudio Digital Ltd
Location
Milton Keynes, Buckinghamshire, South East, United Kingdom
Employment Type
Contract
Contract Rate
From £500 to £550 per day
within an Oracle WebLogic Server environment. This includes setting up Java EE agents, configuring repositories, developing, and optimizing data integration workflows (ELT), and ensuring high availability. Key Responsibilities WebLogic Administration: Install, configure, and maintain Oracle WebLogic Server domains, managed servers, clusters, and machines for ODI Java EE Agents. ...

Web logic, ODI Infra Admin

Hiring Organisation
StackStudio Digital Ltd
Location
Milton Keynes, Buckinghamshire, UK
within an Oracle WebLogic Server environment. This includes setting up Java EE agents, configuring repositories, developing, and optimizing data integration workflows (ELT), and ensuring high availability. Key Responsibilities WebLogic Administration: Install, configure, and maintain Oracle WebLogic Server domains, managed servers, clusters, and machines for ODI Java EE Agents. ...

Lead Data Platform Microsoft Fabric

Hiring Organisation
Interact Consulting Limited
Location
High Wycombe, Buckinghamshire, UK
seeking an experienced Lead Data Platform to join their Group Technology team. Youll lead and develop the Data Platform capability, ensuring secure, scalable and high-performing on-prem, cloud and hybrid environments that support business strategy. Read all the information about this opportunity carefully, then use the application button … send your CV and application. Key Responsibilities: Lead and manage the Data Platform team. Own platform design, incident, change and supplier management. Ensure high availability, monitoring, patching and upgrades. Act as Subject Matter Expert and drive continuous improvement. About You: Expertise in Microsoft Fabric and SQL Server. Proven ...

Lead Data Platform Microsoft Fabric

Hiring Organisation
Interact Consulting Limited
Location
Milton Keynes, Buckinghamshire, South East, United Kingdom
Employment Type
Permanent
Salary
£65,000
seeking an experienced Lead Data Platform to join their Group Technology team. Youll lead and develop the Data Platform capability, ensuring secure, scalable and high-performing on-prem, cloud and hybrid environments that support business strategy. Key Responsibilities: Lead and manage the Data Platform team. Own platform design, incident … change and supplier management. Ensure high availability, monitoring, patching and upgrades. Act as Subject Matter Expert and drive continuous improvement. About You: Expertise in Microsoft Fabric and SQL Server. Proven technical leadership experience. Strong SLA-driven incident and problem management. Cloud implementation experience. Knowledge of JIRA, Confluence, FinOps ...