1 to 25 of 74 High Availability Jobs in the South East

Type: Permanent About the Role: Our employer-partner is seeking a Senior Software Engineer with deep experience in Rust and/or C++ to design and build high-performance, distributed, and mission-critical systems. You will play a key role in shaping next-generation telecom and real-time communication platforms used in high-availability environments. Key Responsibilities … Architect scalable distributed systems with a strong focus on low-latency and high throughput. Build and optimise systems-level components using Rust, C++, C, or Java . Design and implement APIs and real-time communication protocols (SIP, VoIP, 5G, RTC). Improve platform reliability, stability, and performance (99.99%+ uptime environments). Lead performance tuning, fault-tolerance engineering, and … high-availability architecture reviews. Implement CI/CD workflows, containerisation, and systems monitoring (Docker, Kubernetes). Troubleshoot complex system bottlenecks in high-pressure environments. Provide mentorship, code reviews, and knowledge sharing within engineering teams. Required Skills & Experience: 5+ years in systems programming (Rust, C++, C ). Strong background in telecoms , VoIP, SIP, real-time protocols, or distributed More ❯

systems. Lead VMware infrastructure operations including provisioning, performance tuning, snapshot management, and lifecycle maintenance across ESXi hosts and vCenter environments. Ensure effective VMware resource allocation and cluster health, supporting high availability and fault tolerance. Drive data center organisation and restructuring initiatives, including rack layout optimisation, cable management, hardware lifecycle planning, and environmental monitoring. Participate in capacity planning and … performance tuning to support business growth and infrastructure scalability. Reliability & Monitoring Ensure high availability, security, and observability of systems through best practices in reliability and recoverability. Develop and maintain monitoring systems to ensure compliance with service level objectives. Lead and contribute to incident response, root cause analysis, and resolution of infrastructure issues. Project Delivery & Innovation Collaborate on infrastructure More ❯

RISE with SAP and Private Cloud environments. The ideal candidate will be responsible for the administration, migration, and optimization of SAP systems hosted on SAP Private Cloud (RISE), ensuring high availability, performance, and security. This role involves working closely with SAP, infrastructure teams, and business stakeholders to manage cloud-based SAP landscapes efficiently. Role and Responsibilities Manage and … networking, security, and identity management in cloud-hosted SAP landscapes. Ability to coordinate with SAP, cloud providers, and internal IT teams for issue resolution. Experience with disaster recovery and high-availability configurations for SAP systems. Strong analytical and problem-solving skills, with the ability to work under pressure. Location Slough UK More ❯

bonus 4 DAYS PER WEEK IN LONDON OFFICE - St James/Green Park AZ-700, 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 More ❯

Technical Data Centre Shift Manager – Data Centre Operations – High Voltage Experienced Package @74,000K plus Overtime Location: Slough Continental Shift Pattern 12 Hour Shift s Days and Nights Site – AI READY Data Centre Opportunity – Progressive contract and promotion and career development Salary £65,000 Plus Shift Allowance @5K Bonus @ £4K per year Overtime Health Care Pension Parking on Site … on-site technical lead, driving operational excellence across critical electrical and mechanical systems. You’ll guide a skilled team of engineers, ensuring safe, compliant, and efficient maintenance across a high-availability facility that powers global operations. This is a hands-on leadership role — ideal for candidates with a strong high-voltage (HV) background, experience in live switching … alarms and manage incidents in real time. Maintain mechanical and electrical systems (including cooling, power, and water) to industry standards such as L8. Supervise vendors and subcontractors to ensure high performance and adherence to operational processes. Drive technical training, mentoring, and team development. Lead from the front — ensuring the safety, reliability, and resilience of critical infrastructure always. About You More ❯

a focus on routers, switches, firewalls, and advanced data networking solutions. The candidate will also play a strategic role in cloud connectivity, hybrid solutions, and SD-WAN deployments, ensuring high availability, reliability, and performance across global network infrastructure. Key Responsibilities: 1. Network Infrastructure Management: Manage, configure, and troubleshoot routers, switches, and firewalls to ensure secure and reliable connectivity. … hybrid and multi-cloud integrations. Ensure network reliability and scalability through proactive planning and implementation. 4. Network Monitoring and Management: Administer over 6K+ network devices across 550+ circuits, maintaining high availability and performance. Implement automation and monitoring tools to reduce manual intervention and optimize network efficiency. Perform capacity planning, monitoring, and regular audits of network infrastructure. 5. Incident More ❯

the design, implementation, and maintenance of critical IT infrastructure within a dynamic technology team. Your role includes strategic planning, hands-on engineering, and nurturing cross-functional collaboration to ensure high availability, scalability, and security of systems. You will lead and mentor a team of infrastructure engineers, support complex escalations, and drive continual service improvement. Key Responsibilities Lead design …/Linux servers, virtualization platforms, firewalls, disaster recovery). Deploy and administer cloud platforms (AWS, Azure, GCP) and virtualization technologies (VMware, Hyper-V). Ensure 24/7 system availability, monitor performance, and contribute to disaster recovery and business continuity planning. Implement infrastructure automation using tools like Terraform and Ansible. Maintain monitoring and alerting systems such as Zabbix, Prometheus … automation (PowerShell, Bash, Python). Familiarity with containerization technologies (Docker, Kubernetes) is an advantage. Excellent problem-solving, communication, and documentation skills. Proven experience in team leadership, project management, and high-pressure environments. Sponsorship not available, candidate must be eligible for SC Clearance (5+ years UK Residency) What you get in return: • £55,000–£65,000 per annum + benefits More ❯

the design, implementation, and maintenance of critical IT infrastructure within a dynamic technology team. Your role includes strategic planning, hands-on engineering, and nurturing cross-functional collaboration to ensure high availability, scalability, and security of systems. You will lead and mentor a team of infrastructure engineers, support complex escalations, and drive continual service improvement. Key Responsibilities Lead design …/Linux servers, virtualization platforms, firewalls, disaster recovery). Deploy and administer cloud platforms (AWS, Azure, GCP) and virtualization technologies (VMware, Hyper-V). Ensure 24/7 system availability, monitor performance, and contribute to disaster recovery and business continuity planning. Implement infrastructure automation using tools like Terraform and Ansible. Maintain monitoring and alerting systems such as Zabbix, Prometheus … automation (PowerShell, Bash, Python). Familiarity with containerization technologies (Docker, Kubernetes) is an advantage. Excellent problem-solving, communication, and documentation skills. Proven experience in team leadership, project management, and high-pressure environments. Sponsorship not available, candidate must be eligible for SC Clearance (5+ years UK Residency) What you get in return: * £55,000-£65,000 per annum + benefits More ❯

Lead IT Infrastructure Engineer to join our Marine Systems client. In this pivotal role, you will be responsible for the design, implementation, and management of our IT infrastructure, ensuring high availability, scalability, and security of our systems. You will also provide leadership to a team of infrastructure engineers and contribute to key strategic decisions in the development of More ❯

The main purpose of the role is managing and running a small team of four, you will be accountable for the systems analysis, design, delivery, support and maintenance. Maintaining high quality, high availability and highly secure IT software applications. Being the main point of communication with in-house development, analysis while using third party, off the shelf More ❯

re looking for an experienced Software Engineering Manager to lead multiple development squads working on a major PCS product line. You’ll guide people, processes, and technology to deliver high-quality, scalable software products. This role blends hands-on technical leadership with team management and continuous improvement - ideal for someone who thrives on building great teams and great software. … Product, DevOps, and the CTO to deliver robust, maintainable, and monitorable solutions. Ensure clear requirements, strong estimations, and consistent delivery outcomes. Lead recruitment and onboarding for new engineers, ensuring high-quality hires. What You’ll Bring Proven experience leading and developing software engineering teams in hybrid or distributed environments. Strong understanding of Agile delivery, TDD/BDD, and test … .NET 9) and MS SQL Server. Solid background in delivering enterprise-grade, multi-tenant SaaS products. Excellent communication and collaboration skills with both technical and business teams. Experience with high-throughput, high-availability, scalable systems. Familiarity with Microsoft Azure (AKS, Event Grid, Service Bus, Functions, SQL). Experience with Blazor or modern front-end frameworks (React, Razor More ❯

infrastructure upgrade projects and assist in developing new solutions. Manage and monitor servers, storage systems (SAN/NAS), and network equipment including switches, firewalls, and wireless access points. Ensure high system performance, availability, and data integrity through proactive monitoring, backups, and disaster recovery testing. Support and enhance business continuity plans. Maintain accurate and comprehensive technical documentation; contribute to … Proficiency in networking protocols such as TCP/IP, DNS, DHCP, and VLANs. Hands-on experience with virtualization platforms like VMware vSphere and Microsoft Hyper-V (VM provisioning, optimization, high availability, troubleshooting). Skilled in configuring and managing routers, switches, and firewalls. Experience with SAN and NAS technologies including provisioning, tuning, and backup strategies. Familiarity with LogicMonitor or More ❯

infrastructure upgrade projects and assist in developing new solutions. Manage and monitor servers, storage systems (SAN/NAS), and network equipment including switches, firewalls, and wireless access points. Ensure high system performance, availability, and data integrity through proactive monitoring, backups, and disaster recovery testing. Support and enhance business continuity plans. Maintain accurate and comprehensive technical documentation; contribute to … Proficiency in networking protocols such as TCP/IP, DNS, DHCP, and VLANs. Hands-on experience with virtualization platforms like VMware vSphere and Microsoft Hyper-V (VM provisioning, optimization, high availability, troubleshooting). Skilled in configuring and managing routers, switches, and firewalls. Experience with SAN and NAS technologies including provisioning, tuning, and backup strategies. Familiarity with LogicMonitor or More ❯

regulations (e.g., FCA, GDPR). Collaborate with stakeholders to understand business requirements and translate them into technical solutions. Lead cloud migration projects and modernisation initiatives across financial platforms. Ensure high availability, disaster recovery, and data security in all cloud architectures. Provide technical leadership and mentoring to development and infrastructure teams. Develop infrastructure as code (IaC) using tools like More ❯

Food Security, and AI & Robotics. The Role: Cloud Engineer Oracle Fusion & Cloud Infrastructure This is a critical technical role focused on the design, implementation, and maintenance of our secure, high-availability cloud environments, directly supporting the operation and integration of our Oracle Fusion Cloud (ERP/HCM/SCM) applications. You will be instrumental in managing the Oracle More ❯

data pipelines, and backend components (primarily Python, FastAPI, or Flask) Engineer robust, containerised architectures using Docker and Kubernetes Work with ElasticSearch, Weaviate, Pinecone, and other vector databases Help deliver high-availability, fault-tolerant systems for mission-critical workloads What Were Looking For Degree in Computer Science, AI, or related field, or equivalent hands-on experience Experience with LLMs … an SME environment Security Check (SC) cleared, British nationals only (no dual nationality) Why Join? Shape a pioneering AI platform with nationwide significance Mentorship and growth within a collaborative, high-performing team Work that genuinely matters with high-impact and real-world outcomes Hybrid working environment Competitive salary £40k£90k + performance bonuses More ❯

With ambitious growth plans and investment backing, this is a chance to join a forward-thinking engineering team where you’ll make a real impact. to design and implement high-availability, mission-critical backend systems. You’ll join a collaborative engineering team delivering scalable solutions for global telecom operations. What you’ll do Design & build: Develop and maintain … Pub/Sub). Excellent communication and analytical skills. Nice to have: Telecom-specific protocols (SMPP, SIP), OSS/BSS integrations, or network APIs. Event-driven systems, CQRS, or high-redundancy architectures. Security scanning, testing, Git, and Agile/Scrum experience. Interest in Kotlin. Bachelor’s degree in computer science, Engineering, or related field. You’ll be excited about More ❯

closely with the application team to integrate cloud solutions seamlessly. Utilize technologies such as Azure, Kubernetes (AKS), Terraform, Azure DevOps. Develop, deploy, and manage containerized applications using AKS. Ensure high availability and scalability of microservices. Implement best practices for container orchestration and monitoring. Implement automated secrets management workflows. Design and maintain CI/CD pipelines using Azure DevOps. More ❯

here at Sky. The Solutions Architect plays a pivotal role in defining the technological foundation and strategic development of our broadcast television solutions. This key position focuses solely on high-level architectural design and innovation, ensuring our technology stack is scalable, resilient, and capable of supporting the complex needs of modern broadcasting operations What you'll do Architect and … to IP-based, cloud-native architectures, leveraging technologies such as AWS Cloud, Kubernetes, and serverless computing. Define and enforce best practices and architectural standards that support automation, scalability, and high availability in broadcast operations. Collaborate with cross-functional teams to ensure that software-defined solutions meet business and technical requirements. Stay ahead of industry trends in cloud broadcasting … both functional (unit, integration, system) and non-functional (performance, scalability, reliability, security) testing. Collaborative mindset with the ability to work effectively across development, QA, and operations teams to deliver high-quality, resilient, and maintainable solutions. • Excellent communication and leadership skills, with a proven ability to guide teams through technical transformations Team overview We support the technology and deliver change More ❯

teams, fostering a culture of accountability, innovation, and continuous improvement. Drive digital transformation initiatives and infrastructure modernisation. Lead infrastructure operations including servers, virtualisation, data centres, and network architecture. Ensure high availability and performance of infrastructure components including routers, switches, UPSs, and backup systems. Oversee cloud infrastructure (preferably Azure), including IaaS, PaaS, storage, compute, and identity management. Champion ISO … offshore delivery centres, ensuring service quality, compliance, and cost-effectiveness. Skills & Experience Managed geographically dispersed teams across global and regional hubs, including direct reports and virtual project teams. Built high-performing teams with strong retention and engagement metrics. Infrastructure Technologies: Advanced knowledge of Active Directory, Group Policies, Windows/Linux server environments, and enterprise networking protocols (SSL/IPSec More ❯

development frameworks (React, Node.js, Next.js, Python) Databases such as DynamoDB, MongoDB, or RDS CI/CD pipelines (GitHub Actions) Identity and access management (SSO, federated identity, Okta) Exposure to high-availability architectures, monitoring, and troubleshooting Strong communication skills, with the ability to engage both technical and non-technical stakeholders If you’re excited by the idea of leading More ❯

implementation and rollout for upgrades of existing services.  Work closely with development teams, business analysts, architects, all infrastructure teams to design and setup new systems, improve existing platforms (resilience, high availability, performance, low-latency...).  Coordinate and organise changes with external vendors, markets, ECNs.  Plan, schedule, implement and document the change activities.  Improve team documentation, keep it up More ❯

network infrastructure aligns with our organization's strategic goals and technology initiatives. Key Responsibilities: Design, Implement, and Manage Network Infrastructure Lead the design and deployment of robust, scalable, and high-performing network architectures, including LAN, WAN, WiFi, and cloud networking solutions. Expertise in routing, switching, and network segmentation to support business operations across multiple sites and cloud environments. Design … needs of a hybrid cloud environment. Cloud Networking Expertise Architect and manage cloud-based network solutions (e.g., AWS, Azure, GCP) to support a range of applications and workloads. Ensure high availability and performance of network services in cloud environments, leveraging virtual network functions, VPNs, and direct connections. Design cloud-to-cloud and hybrid cloud architectures with a focus More ❯

they meet up in London. The salary is 60k - £120k DOE. The primary focus will be on Designing, implementing, and managing Kubernetes Service clusters, ensuring that business requirements around high availability, scalability and security are met. Other responsibilities include: Performing upgrades and patch management for clusters. Developing and maintaining infrastructure as code using Terraform. Building and maintaining CI … Cloud infrastructure and Kubernetes Experience managing BareMetal Kubernetes GitOps workflows CI/CD including Terraform/ArgoCD/Ansible. Linux or Ubuntu Git Desired skills: Python scripting at a high level Comfortable deploying self-managed Kubernetes For more information, please contact Charles Jenson Recruitment. More ❯

in the mid-sized companies category, amongst other accolades. Following recent successes of our solutions, we’re looking to expand and continue to innovate in our space. We have high ambitions and looking to bring in highly skilled individuals to help continue our adoption of Azure-native services and building a best-of-breed scalable SaaS platform for our … and help remediate on internal and SoC flagged issues, along with assisting in internal vulnerability checks/ethical hacking Continuous improvement and testing of DR/BCP to ensure high availability Personal Attributes: Able to work well as an individual and as part of a team Take part in architectural discussions with technical/non-technical team members More ❯