451 to 475 of 599 High Availability Jobs in the UK

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 ❯

subject matter expert – someone colleagues turn to when the most complex technical issues arise. You will provide advanced troubleshooting, design input, and escalation support across the infrastructure stack, ensuring high availability, security, and performance of the systems. The core focus of the role will be around VMware, Active Directory, Windows & On-Prem stuff. What You Will Get More ❯

office We’re looking for an experienced Systems Administrator to join our growing team. In this role, you’ll manage and support both internal and external hosted systems, ensuring high availability, security, and performance across hardware and software infrastructure. You’ll collaborate across technical teams, troubleshoot complex issues, and help shape best practices in a fast-paced, dynamic More ❯

office We’re looking for an experienced Systems Administrator to join our growing team. In this role, you’ll manage and support both internal and external hosted systems, ensuring high availability, security, and performance across hardware and software infrastructure. You’ll collaborate across technical teams, troubleshoot complex issues, and help shape best practices in a fast-paced, dynamic 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 ❯

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 ❯

Microsoft server components; Exchange Server Hybrid, SQL Server, Windows Deployment Systems, SharePoint, Microsoft 365, Cloud based Telephony, Cyber Security and Prevention, Cloud based Backup and Restore Knowledge of VMWare High-Availability virtual server hosting infrastructure and storage area networks Microsoft Azure including: 1. Azure Active Directory 2. SSO 3. Multi-Factor Authentication Knowledge cyber security best practices. 1. More ❯

and Azure SQL. Implement security controls using Azure Active Directory, Key Vault, RBAC, and vulnerability scanning tools. Set up monitoring and alerting with Azure Monitor and Application Insights for high availability. On-Premises Infrastructure Aspects Maintain integration and support for hybrid cloud scenarios involving on-premises infrastructure. Manage networking components such as VPNs and load balancers that connect on More ❯

and Azure SQL. Implement security controls using Azure Active Directory, Key Vault, RBAC, and vulnerability scanning tools. Set up monitoring and alerting with Azure Monitor and Application Insights for high availability. On-Premises Infrastructure Aspects Maintain integration and support for hybrid cloud scenarios involving on-premises infrastructure. Manage networking components such as VPNs and load balancers that connect on 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 ❯

expert the Database Administrator has complete management responsibility for the Trust's Database Management Systems (DBMS). Specifically, to proactively manage the database environment in order to ensure maximum availability and efficient operation of the 24/7x365 business critical systems that are relied upon for real time operations in the Control Rooms/Call Centres. In addition the … of database solutions across all areas of the Trust. Main duties of the job Formulate strategic plans for Trust wide database management in terms of resource, costs, business continuity, availability and impact. Responsible for the daily management and operation of complex database systems and ensuring that business critical systems are highly available and operating at optimal performance. Plan and … carry out proactive preventative maintenance of database environments across the entire database landscape to achieve required high availability and performance, including design of database schemas, creation of necessary software, to load, unload, reload or reorganise data with databases. Focus on the achievement of agreed service levels, Key Performance Indicators and performance reviews. Also investigate complaints through the escalation 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. Youll 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 ❯

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 ❯

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 ❯

compliance (SOC2, ISO 27001) Define IaC foundations (Terraform, GitOps, Helm) What We're Looking For: Expert with Kubernetes and Distributed Systems Experience building production infrastructure at scale (multi-region, high-availability) Extensive experience building both on-Prem & Cloud infrastructure at scale from scratch. Strong SRE mindset: SLOs, SLIs, incident response AI-curious or AI-native: excited to build … Development experience (Bonus points for Go(Golang)) Bonus: background in financial systems, core banking, or regulated infra Why join: Huge ownership: build core infra from scratch. Work with a high-caliber team, fast-paced and product-minded founders who have worked in some of the most recognised tech businesses in the world. Help define an open-source platform from … day one. Clear path to tech unicorn status with fruitful equity included. Recently raised 8 figures in funding. If your skillset matches, apply within. Please note: Due to the high volume of applications we are not always able to respond to all applicants, if you have not had a response within 7 days of your application it is likely More ❯

compliance (SOC2, ISO 27001) Define IaC foundations (Terraform, GitOps, Helm) What We're Looking For: Expert with Kubernetes and Distributed Systems Experience building production infrastructure at scale (multi-region, high-availability) Extensive experience building both on-Prem & Cloud infrastructure at scale from scratch. Strong SRE mindset: SLOs, SLIs, incident response AI-curious or AI-native: excited to build … Development experience (Bonus points for Go(Golang)) Bonus: background in financial systems, core banking, or regulated infra Why join: Huge ownership: build core infra from scratch. Work with a high-caliber team, fast-paced and product-minded founders who have worked in some of the most recognised tech businesses in the world. Help define an open-source platform from … day one. Clear path to tech unicorn status with fruitful equity included. Recently raised 8 figures in funding. If your skillset matches, apply within. Please note: Due to the high volume of applications we are not always able to respond to all applicants, if you have not had a response within 7 days of your application it is likely More ❯

compliance (SOC2, ISO 27001) Define IaC foundations (Terraform, GitOps, Helm) What We're Looking For: Expert with Kubernetes and Distributed Systems Experience building production infrastructure at scale (multi-region, high-availability) Extensive experience building both on-Prem & Cloud infrastructure at scale from scratch. Strong SRE mindset: SLOs, SLIs, incident response AI-curious or AI-native: excited to build … Development experience (Bonus points for Go(Golang)) Bonus: background in financial systems, core banking, or regulated infra Why join: Huge ownership: build core infra from scratch. Work with a high-caliber team, fast-paced and product-minded founders who have worked in some of the most recognised tech businesses in the world. Help define an open-source platform from … day one. Clear path to tech unicorn status with fruitful equity included. Recently raised 8 figures in funding. If your skillset matches, apply within. Please note: Due to the high volume of applications we are not always able to respond to all applicants, if you have not had a response within 7 days of your application it is likely More ❯

compliance (SOC2, ISO 27001) Define IaC foundations (Terraform, GitOps, Helm) What We're Looking For: Expert with Kubernetes and Distributed Systems Experience building production infrastructure at scale (multi-region, high-availability) Extensive experience building both on-Prem & Cloud infrastructure at scale from scratch. Strong SRE mindset: SLOs, SLIs, incident response AI-curious or AI-native: excited to build … Development experience (Bonus points for Go(Golang)) Bonus: background in financial systems, core banking, or regulated infra Why join: Huge ownership: build core infra from scratch. Work with a high-caliber team, fast-paced and product-minded founders who have worked in some of the most recognised tech businesses in the world. Help define an open-source platform from … day one. Clear path to tech unicorn status with fruitful equity included. Recently raised 8 figures in funding. If your skillset matches, apply within. Please note: Due to the high volume of applications we are not always able to respond to all applicants, if you have not had a response within 7 days of your application it is likely More ❯

compliance (SOC2, ISO 27001) Define IaC foundations (Terraform, GitOps, Helm) What We're Looking For: Expert with Kubernetes and Distributed Systems Experience building production infrastructure at scale (multi-region, high-availability) Extensive experience building both on-Prem & Cloud infrastructure at scale from scratch. Strong SRE mindset: SLOs, SLIs, incident response AI-curious or AI-native: excited to build … Development experience (Bonus points for Go(Golang)) Bonus: background in financial systems, core banking, or regulated infra Why join: Huge ownership: build core infra from scratch. Work with a high-caliber team, fast-paced and product-minded founders who have worked in some of the most recognised tech businesses in the world. Help define an open-source platform from … day one. Clear path to tech unicorn status with fruitful equity included. Recently raised 8 figures in funding. If your skillset matches, apply within. Please note: Due to the high volume of applications we are not always able to respond to all applicants, if you have not had a response within 7 days of your application it is likely 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 ❯