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

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 ...

Database Administrator

Hiring Organisation
Gigaclear
Location
Abingdon, Oxfordshire, United Kingdom, Shippon
Employment Type
Permanent
Salary
£55000 - £60000/annum
ensure adequate resources for current and future needs. Proactive management of databases, ensuring application and operational performance needs are met. Implement and maintain high availability solutions including replication, clustering, and failover configurations. Document database architectures, configurations, procedures and policies. Implement appropriate security controls to ensure databases and data … relational database concepts, normalisation, and SQL optimisation. Proficiency in SQL and query optimisation across multiple database platforms. Experience with database replication, clustering, and high availability configurations. Familiarity with backup and recovery tools specific to each database platform. Understanding of database security principles and access control mechanisms. Experience with ...

Senior Network Engineer

Hiring Organisation
BPHA
Location
Bedford, Bedfordshire, South East, United Kingdom
Employment Type
Permanent
Salary
£65,000
000pa Bedford, Hybrid Permanent, Full Time Can you 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 … 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 ...

Dev Ops Engineer

Hiring Organisation
Comoro
Location
Caterham, Surrey, United Kingdom
Employment Type
Permanent
Salary
£50000 - £60000/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 ...

Senior DevOps

Hiring Organisation
Lexacom
Location
Banbury, England, United Kingdom
Kubernetes deployment and management responsibilities across the globe. Azure Cloud Infrastructure Management: Design, implement, and manage Azure cloud resources using best practices to ensure high availability, fault tolerance, and security. CI/CD Pipelines: Develop and maintain automated CI/CD pipelines to enable rapid and reliable code ...

AWS Cloud Infrastructure Engineer

Hiring Organisation
Spectrum It Recruitment Limited
Location
Portsmouth, Hampshire, South East, United Kingdom
Employment Type
Permanent
Salary
£70,000
cost efficiency Collaborate with Engineering teams to strengthen DevOps practices and improve cross-team workflows Monitor systems, troubleshoot issues, and implement solutions to ensure high availability Maintain accurate documentation, standards, and operational processes About You You are a proactive and technically strong infrastructure engineer who enjoys solving complex … skills: Proven experience designing, deploying, and administering AWS infrastructure Broad understanding of Microsoft hybrid cloud environments with solid working knowledge of on-premises infrastructure High proficiency in at least two of the following: Docker (AWS ECS) Terraform, Ansible, or AWS CDK Nagios Windows Server (IIS) Linux Microsoft SQL Server ...

Senior Linux Engineer

Hiring Organisation
BOSS Professional Services LTD
Location
High Wycombe, Buckinghamshire, England, United Kingdom
Employment Type
Full-Time
Salary
£65,000 - £75,000 per annum
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 ...

Senior Platform Engineer

Hiring Organisation
Harnham - Data & Analytics Recruitment
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£100,000 - £150,000 per annum
/CD pipelines across backend, frontend, and data services. Implement observability across logging, metrics, tracing, alerting, etc. Monitor and optimise cloud costs while maintaining high availability and performance. Act as an advocate for operational excellence across the engineering organisation. Your Skills and Experience Strong commercial experience designing … Bash. Experience supporting reliability, compliance, and cost efficiency in fast-growing environments. What They Offer Salary up to £160,000 plus meaningful equity. A high-impact role with ownership over core platform infrastructure. Significant technical and personal growth in a fast-moving AI environment. Hybrid working with four days ...

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 ...

DevOps / Cloud Engineer

Hiring Organisation
Lynx Recruitment Ltd
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
Salary negotiable
Additional Desirable Skills Experience with tools such as Ansible, Maven, or Gradle Knowledge of AWS networking and database services Experience with performance tuning and high-availability systems ...

Graduate Linux Engineer (Associate Systems / Services)

Hiring Organisation
PRS Resourcing
Location
Farnborough, Hampshire, England, United Kingdom
Employment Type
Full-Time
Salary
£29,000 - £33,000 per annum
curiosity, and strong foundations , particularly in Linux . You will work closely with senior engineers, supporting secure systems and projects while learning how complex, high-availability platforms are designed, deployed, and supported. What You’ll Be Doing (Initially) During your first phase in the role, you’ll focus … learning and supporting senior engineers by: Working extensively with Linux operating systems (Red Hat–based environments) Assisting with: Method of Procedure (MOP) documentation High-Level and Low-Level Design validation (HLDs/LLDs) Supporting system configuration, testing, and validation tasks Joining customer and internal engineering meetings to observe ...

SC Cleared AWS DevOps Engineer

Hiring Organisation
Lynx Recruitment Ltd
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
Salary negotiable
week in London Victoria About the Role We are seeking an experienced AWS DevOps Engineer for an inside IR35 contract role supporting a secure, high-profile programme. The role is hybrid, and the client operates their own payroll , covering employer National Insurance , so contractors can work on a straightforward … Responsibilities Design, build, and maintain AWS cloud infrastructure using DevOps best practices. Implement and support CI/CD pipelines and infrastructure as code. Ensure high availability, security, and performance across AWS environments. Collaborate closely with engineering, security, and delivery teams. Support automation, monitoring, and continuous improvement activities. Skills ...

Senior Infrastructure Engineer

Hiring Organisation
Reed Technology
Location
Abingdon, Oxfordshire, South East, United Kingdom
Employment Type
Permanent
Salary
£45,000
including Virtual Machines, Networking, Storage, Backup, and Monitoring. Maintain and secure Active Directory, Group Policy, DNS, DHCP, and Azure AD (Entra ID) synchronisation. Ensure high availability and resilience across all servers, networks, and databases supporting business-critical applications. Deliver advanced troubleshooting and root cause analysis for complex infrastructure ...

Application Security Design Engineer

Hiring Organisation
CBSbutler Holdings Limited
Location
Bracknell, Berkshire, South East, United Kingdom
Employment Type
Permanent
Salary
£55,000
Security Application Design Engineer Onsite in Bracknell Eligible for DV clearance £50-55K per annum + benefits package Join a high-impact engineering team delivering a secure Gateway solution for a major UK defence customer . This is a hands-on Security Application Architect role where … mission-critical infrastructure in a live, security-sensitive environment. Working alongside senior architects and engineering leads, you'll play a key role in maintaining availability, supporting operational teams, and driving technical change across complex systems. What You'll Be Doing Identify and implement infrastructure and application changes to support ...

Senior Java Developer AWS Cloud Backend

Hiring Organisation
Intelligent Talent Solutions Ltd
Location
Bracknell, Berkshire, South East, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£90,000
Implement secure OAuth-based authentication frameworks Develop serverless components using AWS Lambda Manage compute infrastructure using EC2 Build and maintain infrastructure using Terraform Ensure high availability, scalability and security across cloud systems Participate in architecture discussions, code reviews and Agile ceremonies Required Experience Strong Java backend development experience … Terraform or similar) Desirable Experience Experience building platforms supporting mobile or API-driven products Experience working with serverless architectures Experience working within regulated or high-reliability environments Experience with CI/CD pipelines and cloud deployment Whats on Offer Hybrid working 3 days per week in the office Opportunity ...

Software Developer

Hiring Organisation
Anonymous
Location
Oxford, Oxfordshire, United Kingdom
Employment Type
Permanent
Salary
£70000 - £75000/annum BONUS
. Desirable a bachelor’s degree in Automation or Manufacturing engineering Software Engineers C# will be designing robust, multithreaded machine control software for deterministic, high-availability industrial systems. Software Engineers will contribute to the software architecture by focusing on key areas such as reliability, data logging, predictive maintenance … Delta Tau, Aerotech, Galil). In-depth knowledge and hands-on experience with Industrial Ethernet protocols such as EtherCAT, PROFINET, or SERCOS III for high-speed, deterministic control loops. Practical experience integrating industrial communication standards like OPC UA for data exchange, telemetry, and SCADA/MES integration. Knowledge ...

Systems Administrator

Hiring Organisation
RedTech Recruitment Ltd
Location
South East, United Kingdom
Employment Type
Permanent
Clearance due to the nature of some projects Responsibilities for Sys Admin: Set up, manage, and maintain Linux server environments, ensuring optimal performance and high availability. Apply security best practices across all systems, performing regular audits and updates. Support devices on Windows and macOS, ensuring smooth integration and functionality. ...

Senior Software Engineer

Hiring Organisation
Corecom Consulting
Location
Oxfordshire, England, United Kingdom
Permanent, Full-time The Opportunity We’re recruiting a Senior Software Engineer to join a UK‐based technology team working on a large‐scale, high‐impact digital platform. This is a remote‐first role offering flexibility, with occasional in‐person collaboration for candidates based in West London or Oxfordshire. … solve complex technical problems and communicate solutions clearly Experience mentoring or supporting the development of other engineers Nice to Have Experience in regulated or highavailability environments Exposure to AI or machine‐learning‐enabled systems Experience with TDD, DDD, or BDD Background in performance‐critical or highly scalable ...

Network Engineer

Hiring Organisation
Qualify Nation Recruitment
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£26,000 - £46,000 per annum
Take Ownership of Cutting-Edge Network Engineering At Qualify Nation Recruitment , we connect ambitious technology professionals with high-impact opportunities. We’re currently supporting a leading UK consultancy looking for an experienced Network Engineer to design and deliver secure, scalable, and future-ready network infrastructures across their Space, Defence … delivering next-generation network solutions spanning enterprise, virtualised, and cloud platforms. Working closely with engineering, security, and cloud teams, you’ll: Design secure, resilient, high-performance networks across Cisco, Juniper, Arista, and SDN/SD-WAN environments Deliver and optimise routing, switching, and service provider technologies including BGP, OSPF ...

Head of Infrastructure

Hiring Organisation
INTEC SELECT LIMITED
Location
Slough, Berkshire, England, United Kingdom
Employment Type
Full-Time
Salary
£100,000 - £120,000 per annum
Oversee on-prem and cloud platforms, network operations etc Drive on-prem to cloud transformation initiatives, ensuring efficiency and resilience Build, mentor, and lead high-performing infrastructure teams Collaborate with senior stakeholders to align IT strategy with business objectives Ensure high availability, security, and performance across ...

Senior Infrastructure Engineer

Hiring Organisation
Reed
Location
Basingstoke, Hampshire, England, United Kingdom
Employment Type
Full-Time
Salary
£50,000 - £60,000 per annum, Inc benefits
client is a global organisation and this role will be supporting a wide range of industries across the UK and Ireland. They deliver essential, high-quality operational services and are invested in modernising their enterprise-scale IT environment over the coming years. They are looking for a skilled Senior … being part of shaping future-state platforms. You’ll influence key decisions, support major improvement initiatives and help modernise legacy infrastructure while ensuring high availability and strong security standards. The Role As Senior Infrastructure Engineer, you will: Maintain and enhance core IT infrastructure to ensure high availability. ...

Senior IT Systems Manager - Entrata Application

Hiring Organisation
Evolving Futures Recruitment Limited
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£70,000 - £100,000 per annum
enterprise IT service delivery Job Responsibilities 1. Entrata Application Service Management Establish and lead a dedicated team to support the Entrata application, ensuring high availability, performance, and user satisfaction. Oversee application lifecycle management including deployment, upgrades, incident resolution, and vendor coordination. Define and implement service level agreements (SLAs … standards to enhance user experience. Implement ITSM best practices and tools to streamline support operations. Lead training and development initiatives to build a high-performing support team. 3. Corporate IT Network & Systems Oversight (London) Provide administrative oversight for IT infrastructure resources located in London, including network, servers, storage ...

Infrastructure Engineer (Citrix, VMware, Linux)

Hiring Organisation
Rise Technical Recruitment
Location
Milton Keynes, Buckinghamshire, United Kingdom
Employment Type
Contract, Temporary, Part Time, Apprenticeship
Salary
£550 - £600/day
This role will involve a blend of BAU support and project delivery, working as part of a wider team responsible for maintaining highly secure, high-availability systems. You will play a key role in ensuring performance, stability, and security across a diverse technology estate, while contributing to ongoing ...

Infrastructure Engineer (Citrix, VMware, Linux)

Hiring Organisation
Rise Technical Recruitment
Location
Bletchley, Buckinghamshire, United Kingdom
Employment Type
Permanent
Salary
GBP 550 - 600 Daily
This role will involve a blend of BAU support and project delivery, working as part of a wider team responsible for maintaining highly secure, high-availability systems. You will play a key role in ensuring performance, stability, and security across a diverse technology estate, while contributing to ongoing ...

Head of IT

Hiring Organisation
Michael Page Technology
Location
Fox Milne, Milton Keynes, Buckinghamshire, England, United Kingdom
Employment Type
Full-Time
Salary
£90,000 - £100,000 per annum
strategy across the UK and neighbouring European markets. The position leads IT teams, application lifecycle management and landscape transformation, driving standardisation, security and high-quality service delivery aligned to business priorities. Client Details This is a permanent position within a well-established organisation in Milton Keynes. The company operates … delivery lifecycle Lead application management, support and delivery using Agile and ITIL-aligned models Drive IT landscape simplification, standardisation and regional harmonisation Ensure high availability, performance and security of business-critical applications Oversee IT operations, escalation management and service quality assurance Manage IT budgets across run, change ...