126 to 150 of 173 High Availability Jobs in the South East

Support Engineer to join their UK infrastructure team. The role focuses on providing hands-on end-user and infrastructure support across both cloud and on-prem environments within a high-availability, regulated setting. The successful candidate will have a minimum of five years' experience in a Service Desk or IT Service Centre environment, with strong exposure to Microsoft … user devices, servers and collaboration tools (Teams, SharePoint, Exchange). Administer Active Directory, Intune and other endpoint management tools. Support hybrid infrastructure environments (on-prem, Azure, AWS). Deliver high-level customer service and maintain SLAs through the internal ticketing system. Contribute to continuous improvement and mentoring within the support function. You Will Have 5+ years in IT Support More ❯

Canary Wharf Employment Type: Full-time Industry: Data Centre/Critical Infrastructure About Our Client Our Client is a global leader in data centre services, delivering secure, resilient, and high-performance infrastructure solutions to some of the world's most demanding businesses. With a growing international footprint and a strong focus on innovation, our Client is committed to operational … Champion a culture of operational excellence, continuous learning, and accountability across the operations function. Qualifications and Experience Significant experience in data centre operations , ideally within a mission-critical or high-availability environment. Proven track record in service improvement , process optimisation , or operational transformation within technical infrastructure settings. Strong working knowledge of IT infrastructure , critical facilities management , and data … to cutting-edge data centre technology and strategic transformation projects. How to Apply If you are a strategic thinker with a passion for operational excellence, process improvement, and developing high-performing teams, we would love to hear from you. Apply now via LinkedIn or submit your CV and a brief cover letter outlining your relevant experience and achievements. More ❯

major contracts and earning awards like “Best Performing Company” in HealthTech. What you’ll be working on: Designing and developing their flagship product Building real-time clinical applications with high availability and scalability Collaborating with cross-functional teams to deliver impactful solutions Tech stack includes : Java 21, Spring, JavaScript, Hibernate, RESTful APIs, AWS, Azure, Linux What’s on More ❯

Monday-Friday) 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 to process improvement, documentation, and integration stability. IT Applications More ❯

for an experienced DataPower Developer to join our team to support project’s environment. The successful candidate will be responsible for diagnosing, troubleshooting, and resolving environment-related issues, ensuring high availability and performance of the project infrastructure (in datapower and AWS). This role requires a hands-on technical expert with a strong background in DataPower development, complemented More ❯

for an experienced DataPower Developer to join our team to support project’s environment. The successful candidate will be responsible for diagnosing, troubleshooting, and resolving environment-related issues, ensuring high availability and performance of the project infrastructure (in datapower and AWS). This role requires a hands-on technical expert with a strong background in DataPower development, complemented More ❯

for an experienced DataPower Developer to join our team to support project’s environment. The successful candidate will be responsible for diagnosing, troubleshooting, and resolving environment-related issues, ensuring high availability and performance of the project infrastructure (in datapower and AWS). This role requires a hands-on technical expert with a strong background in DataPower development, complemented More ❯

Policy, DNS, DHCP, and other core Windows services. Perform server patching, upgrades, and maintenance in line with security and compliance standards. Monitor system performance and implement improvements to ensure high availability and reliability. Work with 1st and 2nd line support teams to escalate and resolve incidents within agreed SLA’s Maintain and update documentation for systems, processes, and More ❯

services. Provide expert 3rd line technical support for Asta Group and its customers, addressing BAU issues, managing IT resilience, and overseeing capacity planning. Cultivate strong client relationships and ensure high-level changes adhere to change control procedures. Demonstrate the ability to lead and develop a high-performing IT team, step in for the Head of Client IT Services … in technology and industry trends. Assess and implement new technologies with the objective of enhancing efficiency, security, and the performance of IT infrastructure. Team Development and Management: Lead a high-performing IT infrastructure team. Foster a culture of continuous learning and professional development, ensuring the team is equipped with the latest skills and knowledge. Client and Vendor Management: Build … What You'll Bring to the Role Strong understanding of enterprise IT infrastructure (networks, servers, cloud, storage, virtualisation). Cybersecurity principles and best practices Disaster recovery, business continuity, and high availability Strong problem-solving and decision-making abilities Excellent client management skills, dealing with SLAs and high expectations. Experience in regulated industry Benefits Davies are committed to More ❯

working with a major broadcasting client who require an experienced Project Manager to support the successful delivery of key initiatives across multiple workstreams. This role is critical to ensuring high-quality delivery within a fast-paced, high-profile environment. Key Responsibilities Plan, coordinate, and manage multiple projects, ensuring delivery to time, quality, and budget. Oversee risks, issues, and … ensure seamless project delivery. Skills & Experience Required Proven Project Management experience in complex technical environments . Strong, demonstrable SAP Project Management background . Experience delivering projects in large-scale, high-availability environments. Knowledge of Agile methodologies (Scrum, Agile PM). Excellent leadership, communication, and stakeholder management skills. Experience working in digital media, new media, or IPTV environments is More ❯

A10 Network Engineer (DV/SC Cleared) We are seeking an experienced A10 Network Engineer for a 6 month contract, inside IR35, supporting high-security environments. You’ll be working on complex network infrastructure, primarily focused on A10 Networks’ Application Delivery Controllers (ADCs) and security solutions. This role demands a hands-on engineer with a solid understanding of high availability, load balancing, and Layer 4-7 traffic management, ideally within secure, mission-critical environments. Key Responsibilities: Configure, deploy, and manage A10 Thunder Series devices (ADC, CGNAT, SSLi, etc.) Perform system integrations, upgrades, and troubleshooting within live network environments Design and implement network solutions tailored for performance, resilience, and security Collaborate with cybersecurity, DevOps, and infrastructure teams to More ❯

Global Financial Services/Institutional Asset Management Clearance: Right to work in the UK required A globally recognised financial institution is hiring a Core Networking Specialist to join its high-performance infrastructure team. This firm plays a critical role in global markets, offering integrated investment services to institutional clients and managing trillions in assets. Known for its pioneering work … global operations. This role covers enterprise networking across data centres, campuses, and cloud environments - balancing performance, scale, and resilience in demanding financial settings. Key Responsibilities Design and implement scalable, high-availability network solutions (LAN, WAN, Campus, Cloud). Translate requirements into robust, well-documented architectures. Lead network delivery projects; coordinate with vendors and internal teams. Provide L3 escalation … Arista/Cisco; strong troubleshooting tools (Wireshark, netcat, etc.). Familiar with network security, automation (Python, Ansible), and observability stacks (Prometheus, Grafana). Excellent communicator with experience delivering in high-stakes, collaborative settings. STEM degree and CCNP/CCIE preferred. Why Join? Join a trusted global institution where networking is core to performance. You’ll work on critical infrastructure More ❯

Kubernetes (K8s) infrastructure. As a key member of the team, you will: Design and implement components of their new Cash Equity and Electronic Execution Platform. Guarantee the system's high availability for global equity market trading. Craft bespoke trading workflows tailored to the specific needs of demanding clients across multiple trading desks. Engineer and optimize systems for dynamic … in software engineering, with a focus on modern software design, architectural patterns, and performance optimization (throughput, latency, capacity). Expert-level proficiency in Java, particularly in the development of high-performance, low-latency, and microservice-based real-time trading applications. Deep understanding of trading systems, including integration with reference and market data systems, ideally within equity trading using OMS More ❯

Kubernetes (K8s) infrastructure. As a key member of the team, you will: Design and implement components of their new Cash Equity and Electronic Execution Platform. Guarantee the system's high availability for global equity market trading. Craft bespoke trading workflows tailored to the specific needs of demanding clients across multiple trading desks. Engineer and optimize systems for dynamic … in software engineering, with a focus on modern software design, architectural patterns, and performance optimization (throughput, latency, capacity). Expert-level proficiency in Java, particularly in the development of high-performance, low-latency, and microservice-based real-time trading applications. Deep understanding of trading systems, including integration with reference and market data systems, ideally within equity trading using OMS More ❯

Kubernetes (K8s) infrastructure. As a key member of the team, you will: Design and implement components of their new Cash Equity and Electronic Execution Platform. Guarantee the system's high availability for global equity market trading. Craft bespoke trading workflows tailored to the specific needs of demanding clients across multiple trading desks. Engineer and optimize systems for dynamic … in software engineering, with a focus on modern software design, architectural patterns, and performance optimization (throughput, latency, capacity). Expert-level proficiency in Java, particularly in the development of high-performance, low-latency, and microservice-based real-time trading applications. Deep understanding of trading systems, including integration with reference and market data systems, ideally within equity trading using OMS More ❯

and maintain automation scripts using Ansible or Puppet Support system builds, deployments, and configuration changes Contribute to CI/CD pipelines and DevOps workflows Monitor system performance and ensure high availability Troubleshoot and resolve system and application issues Collaborate with cross-functional teams to support infrastructure initiatives The Linux Engineer role is mostly remote with ad hoc travel More ❯

Oversee network IP addressing and VPN setups * Support business continuity through proactive incident management * Rapid deployment of site connectivity solutions, including 4G routers * Monitor network health and performance, ensuring high availability and resilience * Maintain inventory and configuration records for infrastructure and software * Collaborate with the Security Operations Center (SOC) on network security * Support software licensing and upgrades * Support More ❯

impact across their infrastructure. Duties & Responsibilities Manage and maintain both Linux and Windows-based server environments. Design, configure and support Cisco networking equipment including switches, routers, and firewalls. Ensure high availability, performance, and security across multiple datacentres. Troubleshoot and resolve complex network and systems issues efficiently. Implement and maintain compliance with industry standards and best practices. What Experience More ❯

Developer to join our UK banking client team on an initial 6 month contract. The successful candidate will be responsible for diagnosing, troubleshooting, and resolving environment-related issues, ensuring high availability and performance of the project infrastructure (in datapower and AWS). This role requires a hands-on technical expert with a strong background in DataPower development, complemented More ❯

experience of working with Human Computer Interaction (HCI) in Software Systems, including Machine-to-Machine Automation Technologies Highly-proficient in Software System Design, Development, Testing, and Deployment Strategies for High Availability Desirable skills and experience for the role of Senior Full Stack Systems Developer include: Experience of developing software products for use within a Water/Hydrological Environment More ❯

Lead the management of key foundational technology platforms used by our partners, ensuring robust collaboration with the internal technology team. Coordinating platform operations, upgrades, and resilience initiatives to maintain high availability, reliability, and compliance. Driving continuous improvement and innovation in platform services, leveraging feedback from business and technology teams to enhance service quality and operational efficiency. What You More ❯

mission-critical financial transactions. We're building modern, cloud-native systems using .NET/C#, Azure SQL, and Vue.js, with a strong focus on automation-first development, security, and high availability. If you have experience in the payments domain More ❯

advanced data services with Databricks and Unity Catalog for data governance. Develop CI/CD pipelines using GitHub Actions. Ensure security best practices, including Defense in Depth, BCDR, and high availability. Manage identity and access, including OAuth and federated credentials. Optimise cloud costs and monitor usage effectively. Essential Skills Proven experience with Terraform for Azure infrastructure as code. Strong More ❯

onsite) £100,000 - £120,000 Harrington Starr has partnered with a leading global FinTech seeking an experienced Engineering Lead to join their London team. You’ll lead a small, high-performing engineering group building cloud-native enterprise software used worldwide. Key Responsibilities: Lead, mentor, and grow a team of 2–5 engineers. Design, build, and maintain scalable and secure … systems. Champion engineering best practices (Agile, CI/CD, TDD). Collaborate with Product and Operations to deliver high-impact solutions. Key Benefits: Hybrid working model with London HQ. Competitive salary with bonus and generous holiday allowance. Private medical insurance and funded professional training. Inclusive, collaborative engineering culture with progression opportunities. Key Requirements: Proven experience leading software development teams. … Strong technical expertise in C#, Angular, and cloud platforms. Experience designing high-availability, performant cloud services. Excellent communication and stakeholder management skills For any additional questions, please contact me via LinkedIn or email - ollie.bluck@harringtonstarr.com If you feel this is the right role for you, please apply below More ❯

onsite) £100,000 - £120,000 Harrington Starr has partnered with a leading global FinTech seeking an experienced Engineering Lead to join their London team. You’ll lead a small, high-performing engineering group building cloud-native enterprise software used worldwide. Key Responsibilities: Lead, mentor, and grow a team of 2–5 engineers. Design, build, and maintain scalable and secure … systems. Champion engineering best practices (Agile, CI/CD, TDD). Collaborate with Product and Operations to deliver high-impact solutions. Key Benefits: Hybrid working model with London HQ. Competitive salary with bonus and generous holiday allowance. Private medical insurance and funded professional training. Inclusive, collaborative engineering culture with progression opportunities. Key Requirements: Proven experience leading software development teams. … Strong technical expertise in C#, Angular, and cloud platforms. Experience designing high-availability, performant cloud services. Excellent communication and stakeholder management skills For any additional questions, please contact me via LinkedIn or email - ollie.bluck@harringtonstarr.com If you feel this is the right role for you, please apply below More ❯