1 to 25 of 61 High Availability Jobs in the South East

Infrastructure/Platform Architect

Hiring Organisation
Jobleads-UK
Location
Farnborough, England, United Kingdom
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 ...

Senior Full Stack .NET Engineer (React / APIs)

Hiring Organisation
Computer Futures
Location
Portsmouth, Hampshire, United Kingdom
Employment Type
Permanent
Salary
£68000 - £87000/annum equity package
collaborative development team working on a complex, integration-focused platform. This is a product-focused role where you will design, build, and maintain scalable, high-performance web applications that support real-time operational workflows. You will play a key role in shaping system architecture, delivering robust solutions, and supporting … evaluating technical solutions and trade-offs Collaborate with cross-functional teams to enable system interoperability Troubleshoot development and production issues across multiple environments Support high-availability systems with ongoing maintenance and monitoring Participate in Agile development processes and team discussions Maintain high standards through code reviews, testing ...

Systems Architect

Hiring Organisation
Technify Talent Limited
Location
Reading, Berkshire, United Kingdom
Employment Type
Permanent
Salary
£70000 - £80000/annum
office-based and customer-facing work, with regular travel to client sites and opportunities to contribute to the delivery of large-scale, high-availability technology solutions. Key Responsibilities Design and maintain scalable, secure and resilient system architectures across internal platforms and customer deployments. Develop, implement and regularly test … networking expertise including TCP/IP, VLANs, routing and firewall technologies. Experience designing and supporting backup, recovery and disaster recovery solutions. Strong understanding of high-availability environments and business-critical operational systems. Experience managing databases, storage platforms and data reliability. Excellent troubleshooting skills across complex, integrated technical environments. ...

Lead Software Engineer

Hiring Organisation
SSCL
Location
Farnborough, 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 Essential Skills & Experience: Strong Oracle Applications experience. Extensive knowledge ...

Splunk 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 ...

DataComms Technician

Hiring Organisation
Tank Recruitment
Location
Surrey, United Kingdom
Employment Type
Permanent
Salary
£32000/annum
clients. We are seeking a Data Communications Technician to join their Enterprise Engineering team to assist in the design, deployment, and support of complex, high-availability systems. Key Responsibilities Technical Support: Act as a key escalation point for service issues, delivering timely, accurate technical analysis. Deployment & Integration: Support … build, commissioning, and on-site installation of complex client networks. System Maintenance: Assist in the management of VoIP, virtualization, and high-availability infrastructure. Documentation: Maintain rigorous project records and assist in the evaluation of new service solutions. Support Rota: Participate in the technical support rota to ensure service ...

Front Office Systems & Devices Manager

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 ...

NOC Operations Manager

Hiring Organisation
Spectrum It Recruitment Limited
Location
Slough, Berkshire, South East, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£70,000
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 … VMware ESXi Expert knowledge of Windows 10/11 Own Car and Clean Driving License. Experience in Operations, Infrastructure or Systems Engineering Solid networking, high availability and security knowledge Experience with technologies such as Veeam, Intune, NGINX, HAProxy, Apache and scripting/automation A proactive, customer-focused approach ...

Senior Infrastructure Engineer Citrix

Hiring Organisation
Solos Consultants Ltd
Location
Milton Keynes, Buckinghamshire, South East, United Kingdom
Employment Type
Contract
Contract Rate
From £468.98 to £620.36 per day
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 ...

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 ...

Senior Network Infrastructure Manager

Hiring Organisation
Sterling Bridge Limited
Location
Southampton, Hampshire, South East, United Kingdom
Employment Type
Permanent, Work From Home
Role: Senior Network Infrastructure Engineer Location: Southampton (Hybrid Role) Salary: £80,000 £100,000 Carrier-Grade Networking | High-Level Infrastructure Ownership | Progression Toward CTO Were recruiting for a Senior Network Infrastructure Engineer to join a highly technical telecoms and communications environment where network performance, resilience, and uptime are absolutely … point while helping to drive standards, performance, and operational stability across the environment. The role offers the chance to work across carrier-grade networking, high-availability telecoms platforms, on-prem infrastructure, and network architecture , making it a strong move for someone looking to continue progressing into a broader ...

VP Java Electronic Trading Engineer

Hiring Organisation
Morgan McKinley
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
Salary negotiable
center infrastructure. Operating at the intersection of institutional finance and cutting-edge technology, our client delivers next-generation products across trading, asset management, and high-performance computing. They blend deep crypto expertise with traditional institutional experience and are looking for elite engineering talent to join their London trading technology … Vice President and Java Electronic Trading Engineer, you will design and build the next generation of server-side crypto trading systems. This is a high-visibility, high-impact role requiring deep domain expertise in electronic trading, low-latency architectures, and expert-level Core Java development. What ...

NOC Operations Manager - REMOTE

Hiring Organisation
Proactive Appointments
Location
Buckinghamshire, United Kingdom
Employment Type
Permanent
Salary
GBP 65,000 - 70,000 Annual
About the Opportunity We are looking for an experienced NOC Operations Manager to lead our Network Operations Centre team and support the delivery of high-quality managed services across a complex, multi-platform infrastructure environment. This is a hands-on leadership role, combining team management with deep technical expertise … across Linux, Windows Server, networking, virtualisation, security, and business-critical infrastructure. You'll play a key role in maintaining service availability, driving operational excellence, and supporting customers across a range of industries. Key Responsibilities Lead and develop the NOC team, ensuring operational excellence and customer satisfaction. Manage and optimise ...

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 ...

Senior Linux Team Lead – Crawley (On-site)

Hiring Organisation
Arden Resourcing Limited
Location
Crawley, West Sussex, England, United Kingdom
Employment Type
Full-Time
Salary
£70,000 - £80,000 per annum
their Infrastructure & Platform Services team. This is an excellent opportunity for a hands-on technical leader with a strong Linux background and experience managing high-performance, mission-critical environments. The successful candidate will combine deep technical expertise with strong leadership skills, driving operational excellence while mentoring and developing … improvement initiatives. This position offers a blend of people leadership, technical strategy and hands-on involvement across Linux systems, cloud platforms, automation tooling and high-availability infrastructure. Key Responsibilities • Lead, mentor and develop a team of Linux and Infrastructure Engineers. • Foster a collaborative, high-performing team culture ...

Lead Engineer

Hiring Organisation
Jobleads-UK
Location
Hook, England, United Kingdom
team’s efforts are always aligned with delivering tangible outcomes for Elanco’s customers.Oversee "build and run" responsibilities for Enterprise AI products, ensuring high availability and robust support through mature incident processes.Provide architectural oversight and hands-on technical guidance for the development of AI-driven applications.Lead Scrum ceremonies … from a technical perspective, ensuring the team delivers high-quality increments and meets sprint goals.Mentor and coach Senior and Software Engineers, as well as members of our student program, to cultivate a high-performing and connected engineering organisation.Drive CI/CD maturity, continually modernising software development processes ...

Solution Architect (Azure Cloud)

Hiring Organisation
Expleo UK LTD
Location
Milton Keynes, Buckinghamshire, United Kingdom
Employment Type
Permanent
solution architectures across applications, data, integrations, and infrastructure within Microsoft Azure environments Define architectural patterns for cloud-native, hybrid, and distributed systems Develop high-level and low-level designs (HLD/LLD), ensuring clarity for delivery teams Ensure solutions are scalable, resilient, secure, and cost-optimised Azure Cloud Architecture … Synapse Analytics Integration: Azure API Management, Logic Apps, Service Bus, Event Grid Security: Azure Active Directory (Entra ID), Key Vault, Managed Identities Design for high availability, disaster recovery, and business continuity using Azure-native capabilities Ensure effective use of Infrastructure as Code (IaC) using Bicep, ARM templates ...

SQL Server Database Developer

Hiring Organisation
Davies Turner
Location
Dartford, Kent, South East, United Kingdom
Employment Type
Permanent, Work From Home
development of business-critical systems. You will have the chance to contribute to meaningful technical improvements, work closely with experienced colleagues, and help shape high-quality database solutions that support the wider business. SQL Server Database Developer - Key Responsibilities: - Design, develop and maintain high-quality T-SQL including … database structures to support application and integration requirements - Proactively analyse and resolve database performance bottlenecks using execution plans, indexing strategies, and query refactoring - Optimise high-volume transactional queries and reporting workloads within SQL Server, using T-SQL and SQL Server Management Studio - Design and support scalable database patterns suitable ...

Telecoms OSS Systems Application Engineer

Hiring Organisation
MECS Communications Ltd
Location
Newbury, Berkshire, South East, United Kingdom
Employment Type
Contract, Work From Home
Systems Administrator, Network & Application Support Engineer Role Purpose: Support, maintain and enhance critical telecoms production systems, applications and infrastructure whilst ensuring operational stability, service availability, security compliance and successful delivery of system changes across operational environments. Location: Hybrid working - Newbury, Berkshire, RG14 2FN & remote, home based Role Type: Temporary … operational support systems used for network inventory management and automated network configuration * Support integrations between OSS platforms and Cramer inventory environments * Monitor system performance, availability and operational health * Troubleshoot and resolve production incidents, service issues and application faults * Support application deployments, configuration changes and production releases * Develop and maintain ...

Datacoms Engineer

Hiring Organisation
Reed
Location
Redhill, Surrey, England, United Kingdom
Employment Type
Full-Time
Salary
£32,000 per annum, Inc benefits
communications provider delivering complex global connectivity solutions across maritime, remote sites and enterprise environments. They’re looking for a Datacoms Technician to join a high-performing Engineering team, supporting and delivering advanced networking solutions across VSAT, LTE and global infrastructures. If you enjoy variety, problem-solving and working with … testing and installation of networks both at HQ and remote sites Working on a range of solutions including VoIP, firewalling, virtualisation, web filtering and high-availability systems Producing and maintaining clear project and technical documentation Supporting product evaluation, system integration and new technology adoption Travelling at short notice ...

DevOps Engineer

Hiring Organisation
Plumstead Consulting
Location
Hampshire, England, United Kingdom
Employment Type
Full-Time
Salary
£65,000 - £70,000 per annum
Partner with development teams to ensure solutions are scalable, resilient, and production-ready Champion reliability engineering practices, including monitoring, alerting, and incident response Drive high availability and operational excellence through proactive troubleshooting and optimisation Define and enforce Infrastructure as Code (IaC) and Immutable Infrastructure standards Lead and contribute … Serverless Framework Developer security platforms This is a mid-level opportunity to shape platforms, influence engineering standards, and play a central role in delivering high-quality, cloud-native solutions at scale. If you’re ready to lead, influence, and build the future of DevOps, we’d love to hear ...

Infrastructure Engineer (Azure)

Hiring Organisation
Hays Technology
Location
Windsor, Berkshire, United Kingdom
Employment Type
Permanent
Salary
£50000 - £55000/annum £45,000 - £50,000
Infrastructure Engineer to join its technology team, supporting and developing a modern Microsoft cloud and hybrid environment. The IT function delivers secure, resilient and high-performing services that underpin core operational and user-facing systems. This is a hands-on technical role with a strong focus on Azure, Microsoft … processes, alongside core networking concepts such as DNS, DHCP, firewalls and secure connectivity. PowerShell or automation skills will be advantageous, as will experience supporting high availability and performance optimisation in cloud platforms. Strong communication skills and experience operating at second or third line support level within an enterprise ...

Cloud Infrastructure Engineer

Hiring Organisation
Spectrum It Recruitment Limited
Location
Portsmouth, Hampshire, South East, United Kingdom
Employment Type
Permanent
Salary
£75,000
Optimise systems for performance, scalability, security, and cost Collaborate with engineering teams to improve DevOps practices and automation Monitor infrastructure, troubleshoot issues, and ensure high availability Maintain clear documentation and continuously improve processes What You'll Bring Strong AWS infrastructure experience Strong Docker (ECS) experience Terraform/Ansible ...

Senior Infrastructure Engineer

Hiring Organisation
Nextech Group Limited
Location
Abingdon, Oxfordshire, South East, United Kingdom
Employment Type
Permanent
Salary
£55,000
projects, manage infrastructure, and provide remote and on-site support. You'll work closely with customers and internal teams to deliver secure, scalable, and high-quality IT solutions. Key Responsibilities Design, implement, and support secure, scalable network solutions across multi-site customer environments. Lead the delivery of network … core infrastructure projects, including new installations, upgrades, and migrations. Manage and maintain on-prem and cloud infrastructure, ensuring high availability, performance, and security. Provide senior-level support for routing, switching, firewalls, VPNs, and WAN connectivity. Administer and support Windows Server environments, virtualised platforms (Hyper-V), and associated services. ...

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 ...