1 to 25 of 76 High Availability Jobs in the South East

Are you an experienced systems-level engineer craving impact We’re seeking a Senior Software Developer versed in Rust, or an equivalent systems language, who thrives in high-availability, mission-critical environments. Our client is a fast-growing technology provider delivering next-generation communications solutions to a global customer base. With ambitious growth plans and investment backing, this … forward-thinking engineering team where you’ll make a real impact. You’ll play a key role in architecting, building, and optimising telecommunications systems in Rust , contributing to secure, high-performance, and scalable solutions used worldwide. You’ll collaborate closely across DevOps, API (Java), front-end, and database teams, and be empowered to drive meaningful architectural and reliability improvements. … What You’ll Do Build and scale : Develop production-grade features in Rust (or onboard quickly if transitioning from C/C++). High-availability focus : Help ensure uptime and performance in a real-time, mission-critical telecom platform. Collaborate broadly : Work across disciplines to improve stability, maintainability, and scalability. Mentor and learn : Benefit from peer mentoring, and More ❯

Participate in incident response, threat simulation, and operational runbooks. Troubleshooting & Collaboration Provide 3rd line support, collaborating with 1st and 2nd line teams. Partner with developers to support seamless deployments. High Availability & Flexibility Implement high availability and disaster recovery systems. Support a global, always-on environment with adaptability to evolving needs. About You Bachelor’s degree in More ❯

management, deployment, and monitoring. Implement infrastructure as code (IaC) practices using tools such as Terraform and Ansible. Monitoring and Alerting: Implement monitoring solutions to track the health, performance, and availability of infrastructure components and applications. Configure alerting mechanisms to notify teams of potential issues and proactively address them before they impact users. Incident Response and Root Cause Analysis: Participate … enhancements to ensure optimal performance and resource utilization. Security and Compliance: Implement security controls, and respond to security incidents in accordance with established policies and procedures. Disaster Recovery and High Availability: Design and implement disaster recovery (DR) and high availability (HA) solutions to ensure business continuity and minimize downtime. Develop and test DR plans, implement failover More ❯

operations, and commercial offices. This role is pivotal in ensuring IT operations are resilient, secure, and aligned with the dynamic needs of the maritime and port services industry, delivering high performance across a complex operational landscape. Client Details The employer is a well-established organisation in the leisure, travel, and tourism industry. Description The Head of IT Operations will … operations, and commercial offices. This role is pivotal in ensuring IT operations are resilient, secure, and aligned with the dynamic needs of the maritime and port services industry, delivering high performance across a complex, 24/7 operational landscape. Duties and Responsibilities: Infrastructure & Cloud Management * Lead the architecture and lifecycle management of hybrid infrastructure supporting all operations, both onshore … scalability, performance, and disaster resilience across geographically dispersed operations. * Implement automation, Infrastructure as Code (IaC), and DevOps practices to modernize deployments and reduce downtime. Network & Telephony * Ensure secure and high-availability networks across port terminals, remote logistics sites, and central offices-including LAN/WAN, fibre, Wi-Fi, SD-WAN, and VPN connectivity. * Manage operational and technical delivery More ❯

experience Ideally a BSc in CompSci or Networking related fields. Relevant certifications (CCNP, CCIE, AWS, Azure etc.) Duties and Responsibilities: Contribute to global Wide Area Network (WAN) operations, ensuring high availability, scalability, and performance. Participate in the deployment and optimization of Software-Defined WAN (SD-WAN) solutions to enhance network agility and cost-efficiency. Design, implement, and maintain … meet organizational goals. Provide technical guidance and mentorship to junior team members. Maintain network uptime, security, and compliance with industry standards (e.g., ISO 27001, NIST). Configure monitoring tools, high availability setups, and disaster recovery plans for network infrastructure. Maintain detailed documentation of network configurations, policies, and procedures. Partner with IT leadership, application teams, and external vendors to More ❯

AZURE NETWORK ENGINEER | Juniper, Palo Alto, Azure Cloud Networking, Scripting | £ plus 20% bonus Juniper, Palo Alto firewalls, Azure Cloud Networking Scripting - either Terraform or Powershell Network monitoring, high availability hybrid Cloud environment (Azure) Global Investment Fund Manager 4 days in the London office, 1 day WFH This impressive, privately owned Investment Fund Manager is seeking an experienced Network … Engineer to join their small IT team in London. Reporting to the Head of Infrastructure, you will take ownership of ensuring high availability of a complex hybrid Cloud environment working with Juniper, Palo Alto firewalls, routers, switches, load balancing and WiFi access points. They have a Azure Cloud environment so experience with networking in this setup would be More ❯

internal and external hosted systems by managing hardware and software infrastructure. Youll play a key role in supporting Hosted operations, handling complex support requests, collaborating across departments, and maintaining high availability and performance of systems. This position requires working hours aligned to the UK business day: 9:00 AM to 5:00 PM BST (British Summer Time) during … fast-paced and growing environment. Technical Competencies Solid foundation in networking principles. Proficiency in Windows Server and Active Directory administration and issue resolution. Strong understanding of Windows Clustering for high-availability services. Experience with Windows backup solutions Veeam preferred Experience administering SAN solutions (e.g., provisioning, monitoring). Good understanding of Windows Server Update Services (WSUS). Good understanding More ❯

local network environments, including Dell servers and Dell switch configurations. Strong technical expertise in Microsoft Active Directory (AD), Windows Server environments, and authentication solutions. Plan for scalability, redundancy, and high availability to support future growth. IT Security & Compliance: Ensure compliance with security and regulatory standards, including PCI DSS, Cyber Essentials+, DORA, and ISO 27001. Implement and enforce security … best practices across infrastructure automation and cloud environments. Maintain accurate compliance documentation, including PCI DSS scope records and security policies. Secure high-value and high-risk data, such as cardholder (PCI) and personally identifiable information (PII). Cloud & Automation (these tools and skills will be taught): Implement and manage Infrastructure as Code (IaC) for cloud and on-premises … but is not essential. Desirable (but not required) experience: Some interest in learning and using automation tools such as Azure DevOps, Terraform, Node-Red, Packer. Proven ability to secure high-value data (PCI cardholder data, PII) and implement security best practices. Scripting and automation skills (PowerShell, Python, Bash, or similar). Ability to design, implement, and maintain CI/ More ❯

The Role We’re looking for a highly skilled Software Developer to join our engineering team. You’ll play a critical role in the design, development, and deployment of high-performance trading systems and AI-driven financial tools. This is a great opportunity for a developer who thrives in a fast-paced environment and wants to work on complex … scientists to integrate AI and machine learning models into trading workflows. Implement microservices and APIs for internal and external system integration. Optimises system performance, scalability, and fault tolerance for high-availability environments. Participate in code reviews, testing, and deployment processes using CI/CD pipelines. Contributed to architectural decisions and roadmap planning. Requirements Essential Degree educated 2.1 or … to work in the UK, as we unfortunately cannot provide Visa Sponsorship . Desirable Skills Strong understanding of object-oriented programming and multithreading/concurrency. Experience building real-time, high-throughput systems (ideally in finance or trading). Familiarity with electronic trading platforms, FIX protocol, or market data feeds is a strong plus. Exposure to AI/ML frameworks More ❯

the belief that travel is one of lifes most powerful and emotive experiences, our client is driven by a single mission: to make every journey exceptional. Through a bespoke, high-touch, and personal approach, our client removes the stress and complexity of travel, delivering seamless experiences across business, touring, events, and entertainment sectors. Whether its a critical business meeting … and manage CI/CD pipelines using Azure DevOps and GitHub Collaborate with development and operations teams to automate and streamline deployment processes Monitor and maintain cloud infrastructure, ensuring high availability and performance Implement and manage infrastructure as code (IaC) using tools like ARM templates, Terraform, or Bicep Troubleshoot and resolve issues related to build, deployment, and infrastructure More ❯

a UK-based software provider at the forefront of the gaming and gambling industry across the US, UK & EMEA. We partner with major global Gaming Companies to build innovative, high-performance platforms that power sportsbooks, lotteries, casinos, virtual games, and financial trading. Our Vision is to shape the future of gaming and to transform experience from gaming operations into … DevOps Engineer – Professional. Nice-to-Have Experience with Python scripting for automation and reliability tooling. Knowledge of Java and/or React application deployments in production. Prior experience in high-volume, high-availability environments. More ❯

a UK-based software provider at the forefront of the gaming and gambling industry across the US, UK & EMEA. We partner with major global Gaming Companies to build innovative, high-performance platforms that power sportsbooks, lotteries, casinos, virtual games, and financial trading. Our Vision is to shape the future of gaming and to transform experience from gaming operations into … DevOps Engineer – Professional. Nice-to-Have Experience with Python scripting for automation and reliability tooling. Knowledge of Java and/or React application deployments in production. Prior experience in high-volume, high-availability environments. More ❯

and Subscriptions to Azure Landing Zone management group and subscriptions. Deliver Server using CIS hardened image for 2019/2022, App Services, SQL Managed Instance, SQL Database Server. Ensure high availability of services. Deliver secure way of network routing using Application Gateway, Azure Firewall, Network Security Group. Design and Configuration of point-to-site and site-to-site … for high secure VPN connectivity from end user’s device and Sizewell C various offices and sites. Configuration of Data Lake storage, ensuring security hardening. Compliance of backup and restoration. Integration of IAAS, PAAS and SAAS application with Microsoft Entra ID (AAD) for secure access through SAML SSO. Maintain the lifecycle of Enterprise Application and App registration certificate. Closely … understanding of competitive technologies to properly assess feasibility to integrate with customer solutions and understanding of Agile life-cycle Should be Core On premises, Azure Solution Architect and have high experience in solution designing. Should have excellent communication skills, the role is to work along with customer, understand their business/technical requirement and design Domain Merger, Identity management More ❯

and Subscriptions to Azure Landing Zone management group and subscriptions. Deliver Server using CIS hardened image for 2019/2022, App Services, SQL Managed Instance, SQL Database Server. Ensure high availability of services. Deliver secure way of network routing using Application Gateway, Azure Firewall, Network Security Group. Design and Configuration of point-to-site and site-to-site … for high secure VPN connectivity from end user’s device and Sizewell C various offices and sites. Configuration of Data Lake storage, ensuring security hardening. Compliance of backup and restoration. Integration of IAAS, PAAS and SAAS application with Microsoft Entra ID (AAD) for secure access through SAML SSO. Maintain the lifecycle of Enterprise Application and App registration certificate. Closely … understanding of competitive technologies to properly assess feasibility to integrate with customer solutions and understanding of Agile life-cycle Should be Core On premises, Azure Solution Architect and have high experience in solution designing. Should have excellent communication skills, the role is to work along with customer, understand their business/technical requirement and design Domain Merger, Identity management More ❯

and Subscriptions to Azure Landing Zone management group and subscriptions. Deliver Server using CIS hardened image for 2019/2022, App Services, SQL Managed Instance, SQL Database Server. Ensure high availability of services. Deliver secure way of network routing using Application Gateway, Azure Firewall, Network Security Group. Design and Configuration of point-to-site and site-to-site … for high secure VPN connectivity from end user’s device and Sizewell C various offices and sites. Configuration of Data Lake storage, ensuring security hardening. Compliance of backup and restoration. Integration of IAAS, PAAS and SAAS application with Microsoft Entra ID (AAD) for secure access through SAML SSO. Maintain the lifecycle of Enterprise Application and App registration certificate. Closely … understanding of competitive technologies to properly assess feasibility to integrate with customer solutions and understanding of Agile life-cycle Should be Core On premises, Azure Solution Architect and have high experience in solution designing. Should have excellent communication skills, the role is to work along with customer, understand their business/technical requirement and design Domain Merger, Identity management More ❯

We are looking to expand our team of experience Cloud Developers on a number of high security projects within the Defence and National Security sector. You'll be part of a multidisciplinary team leveraging AWS, with knowledge of OpenShift, Kubernetes, CI/CD Pipelining. Key Responsibilities: Design and implement high-availability, scalable cloud platforms. Advise stakeholders on More ❯

FTE/Subcon/Permanent Certification: RHCE (must-have) Role Overview We are looking for a skilled Linux Administrator to manage and support Linux systems, automate infrastructure, and ensure high availability across servers and applications. Key Responsibilities Administer and manage Linux systems (RHEL, CentOS). Work with virtualization technologies (VMware). Use automation tools (Ansible) for deployments. Write More ❯

FTE/Subcon/Permanent Certification: RHCE (must-have) Role Overview We are looking for a skilled Linux Administrator to manage and support Linux systems, automate infrastructure, and ensure high availability across servers and applications. Key Responsibilities Administer and manage Linux systems (RHEL, CentOS). Work with virtualization technologies (VMware). Use automation tools (Ansible) for deployments. Write More ❯

FTE/Subcon/Permanent Certification: RHCE (must-have) Role Overview We are looking for a skilled Linux Administrator to manage and support Linux systems, automate infrastructure, and ensure high availability across servers and applications. Key Responsibilities Administer and manage Linux systems (RHEL, CentOS). Work with virtualization technologies (VMware). Use automation tools (Ansible) for deployments. Write More ❯

allows you to feel a sense of belonging from the start. To help with this, we will book your Corporate Induction as soon as we possibly can (depending on availability). All new starters need to attend our *Corporate Induction in person, this is held over one and half days from our educational centres based in: Newbury (Berkshire), Bicester … date has been confirmed. Job description Job responsibilities Please see the Job Description and Person Specification attached for full details of the role. This role is part of a high-priority programme with tight delivery timelines and complex interdependencies. The successful candidate will have substantial hands-on experience delivering infrastructure upgrades in large, multi-system environments with diverse stakeholders. … certifications (e.g., CompTIA Network+) Knowledge and Experience Essential Substantial experience in an ICT Infrastructure support or service delivery role, preferably within a large organisation or healthcare environment that requires high availability and resilient platforms. Proven experience in building and configuring physical and virtual servers. In-depth knowledge of Windows Server operating systems, VMware ESXi Administration and management in More ❯

Engineer/AWS Cloud Engineer you will work in a project-focused capacity, playing a critical role in building, deploying, configuring, securing, and automating the infrastructure that supports a high-availability platform, working predominantly within AWS, using both Terraform and Ansible. Additionally, whether an area in which you already have experience, or one in which you would like … Linux-based systems. The Company The Cloud Infrastructure Engineer/AWS Cloud Engineer will be joining a company whose patient-monitoring platform has been scientifically proven to deliver safer, high-quality and efficient patient care, at an exciting time of growth and expansion into new markets. As a well-funded scale-up, they offer an entrepreneurial team spirit, where More ❯

Lead/Technical Manager with a strong backend focus and hands-on full-stack capability (React/TypeScript + Java/Spring Boot) to drive the delivery of scalable, high-quality web applications. In this role, you'll blend deep technical expertise with strong leadership, guiding both architectural direction and team delivery. You'll remain actively engaged in the … mentoring, and 10–15% on architecture and design. The remaining 45–70% will be dedicated to team leadership and cross-functional collaboration, including planning, stakeholder communication, and fostering a high-performance engineering culture. This is a full-time, mostly office based in London, reporting directly to the Head of Technology. You will oversee an in-house team comprising … . Own and drive the adoption of best practices in code quality, performance, accessibility, and cloud-native engineering. Remain hands-on with 10–20% of your time dedicated to high-impact coding, architectural spikes, and technical deep dives. Serve as the final escalation point for complex technical issues, platform-level concerns, and production incidents. Team Management & Mentorship Manage and More ❯

Cloud Build, GitHub Actions, or Jenkins. Automating infrastructure with Terraform (or equivalent IaC tools). Implementing monitoring, logging, and alerting using Stackdriver/Cloud Monitoring. Ensuring security, scalability, and high availability across cloud services. Collaborating with Developers, SREs, and Architects to deliver robust solutions. Driving cost optimisation and best practices across the GCP estate. What We’re Looking More ❯

We are seeking an experienced AWS Architect with valid eDV clearance to design, build, and maintain secure, scalable, and high-performing cloud infrastructure. This role involves working across development and operations teams to enable resilient platforms through modern cloud practices, automation, and container orchestration. You will be instrumental in shaping enterprise-ready cloud solutions by applying deep technical expertise … Implement strong security and access controls using IAM, Vault, and Secrets Manager Enhance platform observability using Prometheus, Grafana, and ELK Stack Collaborate with cross-functional teams to deliver robust, high-availability solutions Key Skills & Experience Extensive hands-on experience with AWS (Azure knowledge beneficial) Expertise in Terraform, CloudFormation, and automation tooling Strong containerisation skills with Kubernetes, Docker, and More ❯

We are seeking an experienced AWS Architect with valid eDV clearance to design, build, and maintain secure, scalable, and high-performing cloud infrastructure. This role involves working across development and operations teams to enable resilient platforms through modern cloud practices, automation, and container orchestration. You will be instrumental in shaping enterprise-ready cloud solutions by applying deep technical expertise … Implement strong security and access controls using IAM, Vault, and Secrets Manager Enhance platform observability using Prometheus, Grafana, and ELK Stack Collaborate with cross-functional teams to deliver robust, high-availability solutions Key Skills & Experience Extensive hands-on experience with AWS (Azure knowledge beneficial) Expertise in Terraform, CloudFormation, and automation tooling Strong containerisation skills with Kubernetes, Docker, and More ❯