476 to 500 of 570 High Availability Jobs in the UK

Senior Java Developer - London/Fully Remote - Contract or Perm | ~£500/day (Outside IR35) or £90k + Equity We're partnering with a well-funded AdTech startup developing high-performance, real-time distributed systems with integrated machine learning components. You'll join a small, elite engineering team responsible for designing and optimising backend services that drive low-latency … high-throughput platforms at scale. The stack includes modern Java (Vert.x), Kafka, Flink, ScyllaDB, and Python for ML integration. We're looking for an experienced Java developer (5+ years) with deep expertise in concurrency and performance tuning, and hands-on exposure to distributed systems, Python, AI and machine learning. This role is fully remote (or London-based if preferred … time systems, Nathan Laidlaw at Transparent Tech would love to hear from you. Java, AdTech, Vert.x, Kafka, Flink, ScyllaDB, Python, AI/ML, Distributed Systems, Real-Time, Low-Latency, High-Availability, Backend, Remote, London More ❯

skilled Database Administrator on behalf of a well-established British Technology specialist based in in the UK. As a DBA, you will be responsible for managing, optimising, and migrating high-traffic database systems, ensuring they operate at peak performance. You will collaborate with global engineering teams to design scalable, robust solutions while advocating for best practices in database architecture … and development. Key Responsibilities Implement, maintain, and tune high-availability MySQL databases. Migrate existing SQL Server databases to MySQL. Develop and optimise performant SQL queries, stored procedures, and database schemas. Monitor and profile server resources, log files, and binary logs to ensure optimal performance. Design and test backup/recovery plans to safeguard critical data. Collaborate with international … team members and contribute to technology decisions. Stay updated with the latest database technologies and industry trends. Essential Skills & Experience Proven experience as a MySQL DBA and Developer in high-traffic environments. Expertise in database performance tuning , execution plans, and indexing. Strong background in SQL Server to MySQL migration . Proficiency in GIT and source control best practices. Familiarity More ❯

and configurations. * Good understanding on Exchange Gateway product like Bright mail, IMSS etc. * Good understanding about MS Cluster on Exchange 2003 * Good understanding about and Hands on experience regarding High Availability Features (CCR, SCC, SCR & LCR). * Good knowledge on Collaborating Applications (Black Berry, OCS, UM etc.) * Extensively worked on Windows core infrastructure services like Active Directory, DNS … Trouble-shooter Analyzer * MPS Report * Demonstrated experience in ITIL best practices methodologies APPLY NOW! Due to the nature and urgency of this post, candidates holding or who have held high level security clearance in the past are most welcome to apply. Please note successful applicants will be required to be security cleared prior to appointment which can take up More ❯

company. Acting as the company's senior authority on network strategy, policy, and technical governance. Owning network projects, including procurement, budgeting, and security assessments. Building, managing, and mentoring a high-performing network team. Qualifications: CCNP, CCIE certifications. Deep understanding of Windows Server, TCP/IP, routing, SANs, Active Directory, firewalls, and system monitoring. Proven experience designing and managing resilient … secure, high-availability network environments supporting internal and customer services. Strong grasp of network security best practices and technologies, including firewalls, segmentation, intrusion detection/prevention, and encryption. #J-18808-Ljbffr More ❯

Open Banking ecosystem would be a plus Knowledge of banking security, authentication technologies and identity management solutions Service Delivery and Support Truly passionate about customer delivery and support - with high levels of resilience Previous project management/account management experience with proven ability to prioritize and multitask in a dynamic, fast-paced environment is highly beneficial for this role … Experience of delivering and supporting mission-critical, high availability systems and solutions General Extraordinary organisational, communication (written and verbal) and interpersonal skills Must have a strong work ethic and desire to succeed; tenacity, passion, persistence and integrity are all strongly desired character traits Excellent presentation skills Open to all Token is building an open future for everyone. We More ❯

have excellent attention detail whilst working in a pressured environment. The job will be to provide exceptional customer service, technical and operational support to internal and external clients. Ensure high availability, performance, and reliability of Instinet's Trading Environment. The right candidate should welcome a challenge, embrace change, be creative, work well under tight deadlines, and thrive in … time. Key objectives critical to success • Monitor & Support Instinet's real-time trading environment - DMA, Crossing, Low latency Solutions, Algorithmic and Smart Order Routing Platforms. • Support of low latency high frequency co-located trading environments, with specialised focus on FIX-to-native and native-to-native solutions. • Support of Instinet's MTF trading venue. • Daily health checks on critical More ❯

microservices, and cloud-first architectures. Tech-Led Culture – Join a collaborative team that lives and breathes quality software development, driven by best practices and a passion for building resilient, high-performing systems. Tech You'll Work With Core : C#/.NET Framework transitioning to .NET Core UI : WPF (Windows Presentation Foundation) Database : MS SQL Server, T-SQL Environment : Windows … applications Solid understanding of Windows environments and Office integrations Confident with MS SQL Server and T-SQL Excellent communicator who thrives in a team setting Bonus: Experience working on high-availability , multi-user , n-tier distributed systems Hybrid Working Based in the West Midlands , with flexible hybrid working that balances collaboration and personal productivity. If you're ready More ❯

microservices, and cloud-first architectures. Tech-Led Culture - Join a collaborative team that lives and breathes quality software development, driven by best practices and a passion for building resilient, high-performing systems. Tech You'll Work With Core : C#/.NET Framework transitioning to .NET Core UI : WPF (Windows Presentation Foundation) Database : MS SQL Server, T-SQL Environment : Windows … applications Solid understanding of Windows environments and Office integrations Confident with MS SQL Server and T-SQL Excellent communicator who thrives in a team setting Bonus: Experience working on high-availability , multi-user , n-tier distributed systems Hybrid Working Based in the West Midlands , with flexible hybrid working that balances collaboration and personal productivity. If you're ready More ❯

Act as the bridge between infrastructure and trading/application teams Ensure stable operations and lead troubleshooting in production environments ️ What you'll bring : Proven experience in low-latency, high-availability trading environments Strong hands-on knowledge of Arista network equipment and architecture Proficiency in network automation , especially using Ansible Deep knowledge of routing protocols (OSPF, BGP) and … proxies, load balancers (LTM/Web Gateway) Nice to have: CCIE certification or equivalent experience Key responsibilities : Design, document, and deploy new infrastructure following "network-as-code" principles Own high- and low-level design (HLD/LLD) and support knowledge sharing with global ops teams Serve as the senior escalation point for London-based trading network issues Collaborate with More ❯

charge in IoT-connected technology across Europe. With 6,000-7,000 live devices operating across the continent and a complex LAN infrastructure connecting them all, this is a high-visibility, mission-critical role at the heart of the business. You'll be working with a massive, high-availability network, bigger than most organisations of this size … management, and contributing to documentation, IT security, and general infrastructure support in a tight-knit team. What KO2's client are Looking For: Deep expertise in networking in complex, high-traffic environments, ideally in IoT or electronics-heavy organisations. Strong background in datacentre environments, ideally with experience in large ISPs or similar. Hands-on experience managing and optimising LAN More ❯

can make arealdifference and become a giant slayer.As the world around us continues to change, we look for people who grab that change with optimism and excitement.Theseare thepassionate and high performingpeoplewho enjoy and thrive onthinking outside the box. Our current employees are the giant slayers who have made Littlefish who we are today, and you will be the future … and customer engagement. Ability to manage conflicting priorities and maintain service quality under pressure. Desirable Experience working in a managed service provider (MSP) environment. Familiarity with regulated industries or high-availability environments. ITIL Foundation certification or equivalent. Apple experience would be advantageous. What can we offer you? Through our one of a kind training programme, the Littlefish Academy … are as a business, what we stand for and how we work. Hiring people with our values at heart, is very important as we see Littlefish grow. I am High Performing- I like to raise the bar, we look at creating opportunities to increase quality and improve efficiency, we strive for service excellence. I am Passionate- We build team More ❯

the better. Your role We are looking for a 4th Line Exchange Support Engineer to work with our 3rd Line team and Engineering teams. Your role will involve assisting high profile user community via incident logging application. Based in Basingstoke you will be provided with legacy infrastructure training. Your experience Good understanding of Exchange 2013 or latest versions. Good … and configurations. Good understanding on Exchange Gateway product like Bright mail, IMSS etc. Good understanding about MS Cluster on Exchange 2003 Good understanding about and Hands on experience regarding High Availability Features (CCR, SCC, SCR & LCR). Good knowledge on Collaborating Applications (Black Berry, OCS, UM etc.,) Extensively worked on Windows core infrastructure services like Active Directory, DNS More ❯

the better. Your role We are looking for a 4th Line Exchange Support Engineer to work with our 3rd Line team and Engineering teams. Your role will involve assisting high profile user community via incident logging application. Based in Basingstoke you will be provided with legacy infrastructure training. Your experience Good understanding of Exchange 2013 or latest versions. Good … and configurations. Good understanding on Exchange Gateway product like Bright mail, IMSS etc. Good understanding about MS Cluster on Exchange 2003 Good understanding about and Hands on experience regarding High Availability Features (CCR, SCC, SCR & LCR). Good knowledge on Collaborating Applications (Black Berry, OCS, UM etc.,) Extensively worked on Windows core infrastructure services like Active Directory, DNS More ❯

include Credit 🚀 Hyper engaged team 🚀 The opportunity to architect and own the future platform. About You To be successful in this role, you will bring: Proven experience leading distributed, high-availability platform development within a front-office pricing environment. Demonstrated capability in managing and mentoring small, expert technical teams. Strong technical background, ideally with server-side C# development More ❯

include Credit 🚀 Hyper engaged team 🚀 The opportunity to architect and own the future platform. About You To be successful in this role, you will bring: Proven experience leading distributed, high-availability platform development within a front-office pricing environment. Demonstrated capability in managing and mentoring small, expert technical teams. Strong technical background, ideally with server-side C# development More ❯

framework. Evidence of on-Going professional development . Able to work on projects to tight deadlines and budgets. Able to work in a team that delivers a range of high availability services. Ability to work with a diverse range of customers with widely varying requirements and priorities. Must have a Drivers' Licence and a car Keywords: IT support More ❯

/Desktop, Redhat Linux (RHEL) Server/Desktop Administration, CITRIX VDI, Active Directory, Group Policy, VMware. Core responsibilities: Implement, maintain and enhance the platforms physical and virtual infrastructure Ensure high availability and performance of network services Carries out virtual and physical infrastructure/network/storage builds and rebuilds Assists in the preparation of detailed technical delivery plans More ❯

the technology organisation to ensure alignment and co-deliver overall business workflows. Requirements The candidate should have the following skills and qualities: Experience leading the design and development of high-availability, distributed platforms in the Front Office Pricing domain. Experience managing and directing small teams of technical experts. Experience of providing technical expertise and guidance to developers and More ❯

the technology organisation to ensure alignment and co-deliver overall business workflows. Requirements The candidate should have the following skills and qualities: Experience leading the design and development of high-availability, distributed platforms in the Front Office Pricing domain. Experience managing and directing small teams of technical experts. Experience of providing technical expertise and guidance to developers and More ❯

the technology organisation to ensure alignment and co-deliver overall business workflows. Requirements The candidate should have the following skills and qualities: Experience leading the design and development of high-availability, distributed platforms in the Front Office Pricing domain. Experience managing and directing small teams of technical experts. Experience of providing technical expertise and guidance to developers and More ❯

software vendors to drive continuous improvement and ensure robust, compliant credit-card processing. Key Responsibilities: Develop, debug and maintain VisionPLUS CICS online components (CMS, FAS, VMx, TRAMS, IAS), ensuring high availability and performance in a production environment. Leverage deep knowledge of credit-card processing workflows (WINGSFM/VMX) to troubleshoot issues and enhance system functionality. Lead incident investigations More ❯

Network Engineer should have Manage, support and upgrade network infrastructure, specifically Cisco switches, routers and Fortinet firewalls. Ensure the optimal performance and security of LAN environments. Administer and ensure high availability of Cisco and Fortinet devices. Participate in problem-solving and troubleshooting for network-related issues, providing quick and accurate solutions. Develop and maintain comprehensive documentation of network More ❯

internal teams are equipped post-migration Essential: Proven expertise with FortiGate firewalls across multiple versions and models VPNs (IPSec, SSL-VPN) Security profiles (IPS, Antivirus, App Control, Web Filtering) High availability (HA), routing (BGP, OSPF), policy optimisation Experience with FortiManager and FortiAnalyzer Strong foundational networking knowledge (TCP/IP, VLANs, routing protocols, network architecture) History of delivering firewall More ❯

and troubleshooting data issues. User Support & Training: Provide training and support to users, ensuring effective Salesforce usage. System Monitoring & Troubleshooting: Ensure system performance by troubleshooting and resolving issues, ensuring high availability and optimal efficiency. Enhancements & Integrations: Oversee system updates, enhancements, and integrations with other business tools. Automation Management: Maintain Salesforce automation tools such as Process Builder, Flow, and More ❯

Database Administration (SQL Proficient). Database Security. Database Performance Tuning. Backup & Recovery. Clearance: SC minimum/DV (or willing to undergo). It would be great if you had: High Availability and Disaster Recovery. Database Security Auditing. Security Best Practices. Ability to troubleshoot and problem-solve database related errors and issues. Experience of other database platforms such as More ❯