501 to 525 of 816 High Availability Jobs

build, and scale distributed, data-driven Ad-Tech systems. You’ll lead the delivery of cross-service features within a modern cloud platform, making pragmatic architectural choices and setting high standards for engineering quality, reliability, and performance. You’ll play a key role in shaping technical direction, mentoring engineers, and ensuring the systems you build are secure, observable, and … design and implementation of Python-based microservices and cloud-native solutions hosted on AWS. Architect and optimise systems: Define service boundaries, data ownership, and failure-recovery patterns for scalable, high-availability systems. Raise engineering quality: Champion best practices for testing, observability, and security. Review critical PRs and guide technical decisions across the team. Operate and improve production systems More ❯

build, and scale distributed, data-driven Ad-Tech systems. You’ll lead the delivery of cross-service features within a modern cloud platform, making pragmatic architectural choices and setting high standards for engineering quality, reliability, and performance. You’ll play a key role in shaping technical direction, mentoring engineers, and ensuring the systems you build are secure, observable, and … design and implementation of Python-based microservices and cloud-native solutions hosted on AWS. Architect and optimise systems: Define service boundaries, data ownership, and failure-recovery patterns for scalable, high-availability systems. Raise engineering quality: Champion best practices for testing, observability, and security. Review critical PRs and guide technical decisions across the team. Operate and improve production systems More ❯

working within regulated environments such as defence, energy, or critical infrastructure. Key Responsibilities: Product Development: ICS Infrastructure Design: Lead the design and deployment of infrastructure solutions for PMS, ensuring high availability, security, and performance across both surface ships and submarines Networking & Security: Design and manage robust industrial networking architectures (e.g., Profinet, Ethernet/IP, fibre optics, wireless) for … best practices. Required Skills & Experience: Windows Server & Red Hat Linux: Extensive hands-on experience in configuring, securing, and maintaining Windows Server domains and Red Hat Linux environments in complex, high-security settings. Virtualisation: Expertise in virtualisation technologies such as VMware and Hyper-V, with a demonstrated ability to set up, maintain, and optimise virtual environments for industrial applications. Cybersecurity … contributing to national defence and global security efforts. Diverse Technology Stack: Gain hands-on experience with Windows Server domains, Red Hat Linux environments, virtualisation, and cybersecurity tools in a high-stakes environment where both IT and OT integration is critical. Professional Growth: Take advantage of opportunities to grow your skills through training, certification, and experience in the defence sector More ❯

working within regulated environments such as defence, energy, or critical infrastructure. Key Responsibilities: Product Development: ICS Infrastructure Design: Lead the design and deployment of infrastructure solutions for PMS, ensuring high availability, security, and performance across both surface ships and submarines.. Networking & Security: Design and manage robust industrial networking architectures (e.g., Profinet, Ethernet/IP, fibre optics, wireless) for … best practices. Required Skills & Experience: Windows Server & Red Hat Linux: Extensive hands-on experience in configuring, securing, and maintaining Windows Server domains and Red Hat Linux environments in complex, high-security settings. Virtualisation: Expertise in virtualisation technologies such as VMware and Hyper-V, with a demonstrated ability to set up, maintain, and optimise virtual environments for industrial applications. Cybersecurity … contributing to national defence and global security efforts. Diverse Technology Stack: Gain hands-on experience with Windows Server domains, Red Hat Linux environments, virtualisation, and cybersecurity tools in a high-stakes environment where both IT and OT integration is critical. Professional Growth: Take advantage of opportunities to grow your skills through training, certification, and experience in the defence sector More ❯

working within regulated environments such as defence, energy, or critical infrastructure. Key Responsibilities: Product Development: ICS Infrastructure Design: Lead the design and deployment of infrastructure solutions for PMS, ensuring high availability, security, and performance across both surface ships and submarines.. Networking & Security: Design and manage robust industrial networking architectures (e.g., Profinet, Ethernet/IP, fibre optics, wireless) for … best practices. Required Skills & Experience: Windows Server & Red Hat Linux: Extensive hands-on experience in configuring, securing, and maintaining Windows Server domains and Red Hat Linux environments in complex, high-security settings. Virtualisation: Expertise in virtualisation technologies such as VMware and Hyper-V, with a demonstrated ability to set up, maintain, and optimise virtual environments for industrial applications. Cybersecurity … contributing to national defence and global security efforts. Diverse Technology Stack: Gain hands-on experience with Windows Server domains, Red Hat Linux environments, virtualisation, and cybersecurity tools in a high-stakes environment where both IT and OT integration is critical. Professional Growth: Take advantage of opportunities to grow your skills through training, certification, and experience in the defence sector More ❯

working within regulated environments such as defence, energy, or critical infrastructure. Key Responsibilities: Product Development: ICS Infrastructure Design: Lead the design and deployment of infrastructure solutions for PMS, ensuring high availability, security, and performance across both surface ships and submarines.. Networking & Security: Design and manage robust industrial networking architectures (e.g., Profinet, Ethernet/IP, fibre optics, wireless) for … best practices. Required Skills & Experience: Windows Server & Red Hat Linux: Extensive hands-on experience in configuring, securing, and maintaining Windows Server domains and Red Hat Linux environments in complex, high-security settings. Virtualisation: Expertise in virtualisation technologies such as VMware and Hyper-V, with a demonstrated ability to set up, maintain, and optimise virtual environments for industrial applications. Cybersecurity … contributing to national defence and global security efforts. Diverse Technology Stack: Gain hands-on experience with Windows Server domains, Red Hat Linux environments, virtualisation, and cybersecurity tools in a high-stakes environment where both IT and OT integration is critical. Professional Growth: Take advantage of opportunities to grow your skills through training, certification, and experience in the defence sector More ❯

operations team to support its 24/7 mission-critical systems. We’re seeking a Server Support Engineer to join the infrastructure team and help maintain reliable, secure, and high-performing Microsoft-based environments. This role is ideal for someone who thrives in a hands-on technical position, enjoys problem-solving in real time, and wants to play a … key role in supporting complex, high-availability infrastructure. Key Responsibilities Deliver first and second-line support across Microsoft-based infrastructure and services. Diagnose and resolve incidents affecting servers, virtual environments, and core business applications. Monitor system health and performance to ensure maximum uptime and fast incident response. Support and maintain environments hosting high-traffic web and e … in VMware vSphere and Microsoft Hyper-V administration. Experience supporting Microsoft infrastructure services such as Active Directory , DNS , and Remote Desktop Services (RDS) . Understanding of e-commerce or high-traffic web environments with thousands of concurrent users. Proven ability to troubleshoot complex infrastructure issues and quickly adapt to new technologies. Familiarity with PowerShell scripting , monitoring tools , and incident More ❯

operations team to support its 24/7 mission-critical systems. We're seeking a Server Support Engineer to join the infrastructure team and help maintain reliable, secure, and high-performing Microsoft-based environments. This role is ideal for someone who thrives in a hands-on technical position, enjoys problem-solving in real time, and wants to play a … key role in supporting complex, high-availability infrastructure. Key Responsibilities Deliver first and second-line support across Microsoft-based infrastructure and services. Diagnose and resolve incidents affecting servers, virtual environments, and core business applications. Monitor system health and performance to ensure maximum uptime and fast incident response. Support and maintain environments hosting high-traffic web and e … in VMware vSphere and Microsoft Hyper-V administration. Experience supporting Microsoft infrastructure services such as Active Directory , DNS , and Remote Desktop Services (RDS) . Understanding of e-commerce or high-traffic web environments with thousands of concurrent users. Proven ability to troubleshoot complex infrastructure issues and quickly adapt to new technologies. Familiarity with PowerShell scripting , monitoring tools , and incident More ❯

operations team to support its 24/7 mission-critical systems. We’re seeking a Server Support Engineer to join the infrastructure team and help maintain reliable, secure, and high-performing Microsoft-based environments. This role is ideal for someone who thrives in a hands-on technical position, enjoys problem-solving in real time, and wants to play a … key role in supporting complex, high-availability infrastructure. Key Responsibilities Deliver first and second-line support across Microsoft-based infrastructure and services. Diagnose and resolve incidents affecting servers, virtual environments, and core business applications. Monitor system health and performance to ensure maximum uptime and fast incident response. Support and maintain environments hosting high-traffic web and e … in VMware vSphere and Microsoft Hyper-V administration. Experience supporting Microsoft infrastructure services such as Active Directory , DNS , and Remote Desktop Services (RDS) . Understanding of e-commerce or high-traffic web environments with thousands of concurrent users. Proven ability to troubleshoot complex infrastructure issues and quickly adapt to new technologies. Familiarity with PowerShell scripting , monitoring tools , and incident More ❯

with RISE using tools such as SUM DMO and Conversion Cockpit. Collaborate with functional teams, BW/Reporting, BASIS, infrastructure, security and development teams to define scalable, secure, and high-performance system architectures. Oversee remediation of custom enhancements, Fiori apps, APIs, and interfaces (including PI/PO, CPI, and IDocs) for migration from ECC to S/4HANA. Guide … S/4HANA migration methodologies and tools. Proficient in SAP integration technologies (e.g., PI/PO, CPI, RFC, BAPIs, REST, SOAP). Strong knowledge of SAP landscape architecture, sizing, high availability, and disaster recovery. Excellent communication and leadership skills. Preferred Skills (rank in order of Importance): Experience with SAP BTP (Business Technology Platform) Familiarity with Agile and DevOps More ❯

day a week onsite 🚀 Join a FinTech Powering the Future of Payments Are you a seasoned individual contributor looking for a step up into a senior position within a high-performing team within the world of Banking/Payments? Are you passionate about high-throughput, real-time systems? This is your opportunity to help shape the core technology … solutions that integrate seamlessly with bank infrastructure to enable real-time, secure transactions across the globe. 🔍 What You’ll Be Doing You’ll be the focal point of a high-performing engineering team building asynchronous, event-driven systems using modern Java technologies. Design and build scalable, high-availability systems processing millions of real-time transactions Work with … and system resilience Agile mindset, with TDD/BDD and CI/CD experience Bonus: Background in Banking/Payments is helpful but not required – if you’ve built high-performance, real-time systems, we want to talk to you. 🎁 What’s In It for You 💰 £95,000 – £115,000 base salary (DOE) 🎯 20% bonus 🧠 Work with cutting-edge More ❯

day a week onsite 🚀 Join a FinTech Powering the Future of Payments Are you a seasoned individual contributor looking for a step up into a senior position within a high-performing team within the world of Banking/Payments? Are you passionate about high-throughput, real-time systems? This is your opportunity to help shape the core technology … solutions that integrate seamlessly with bank infrastructure to enable real-time, secure transactions across the globe. 🔍 What You’ll Be Doing You’ll be the focal point of a high-performing engineering team building asynchronous, event-driven systems using modern Java technologies. Design and build scalable, high-availability systems processing millions of real-time transactions Work with … and system resilience Agile mindset, with TDD/BDD and CI/CD experience Bonus: Background in Banking/Payments is helpful but not required – if you’ve built high-performance, real-time systems, we want to talk to you. 🎁 What’s In It for You 💰 £95,000 – £115,000 base salary (DOE) 🎯 20% bonus 🧠 Work with cutting-edge More ❯

day a week onsite 🚀 Join a FinTech Powering the Future of Payments Are you a seasoned individual contributor looking for a step up into a senior position within a high-performing team within the world of Banking/Payments? Are you passionate about high-throughput, real-time systems? This is your opportunity to help shape the core technology … solutions that integrate seamlessly with bank infrastructure to enable real-time, secure transactions across the globe. 🔍 What You’ll Be Doing You’ll be the focal point of a high-performing engineering team building asynchronous, event-driven systems using modern Java technologies. Design and build scalable, high-availability systems processing millions of real-time transactions Work with … and system resilience Agile mindset, with TDD/BDD and CI/CD experience Bonus: Background in Banking/Payments is helpful but not required – if you’ve built high-performance, real-time systems, we want to talk to you. 🎁 What’s In It for You 💰 £95,000 – £115,000 base salary (DOE) 🎯 20% bonus 🧠 Work with cutting-edge More ❯

day a week onsite 🚀 Join a FinTech Powering the Future of Payments Are you a seasoned individual contributor looking for a step up into a senior position within a high-performing team within the world of Banking/Payments? Are you passionate about high-throughput, real-time systems? This is your opportunity to help shape the core technology … solutions that integrate seamlessly with bank infrastructure to enable real-time, secure transactions across the globe. 🔍 What You’ll Be Doing You’ll be the focal point of a high-performing engineering team building asynchronous, event-driven systems using modern Java technologies. Design and build scalable, high-availability systems processing millions of real-time transactions Work with … and system resilience Agile mindset, with TDD/BDD and CI/CD experience Bonus: Background in Banking/Payments is helpful but not required – if you’ve built high-performance, real-time systems, we want to talk to you. 🎁 What’s In It for You 💰 £95,000 – £115,000 base salary (DOE) 🎯 20% bonus 🧠 Work with cutting-edge More ❯

day a week onsite 🚀 Join a FinTech Powering the Future of Payments Are you a seasoned individual contributor looking for a step up into a senior position within a high-performing team within the world of Banking/Payments? Are you passionate about high-throughput, real-time systems? This is your opportunity to help shape the core technology … solutions that integrate seamlessly with bank infrastructure to enable real-time, secure transactions across the globe. 🔍 What You’ll Be Doing You’ll be the focal point of a high-performing engineering team building asynchronous, event-driven systems using modern Java technologies. Design and build scalable, high-availability systems processing millions of real-time transactions Work with … and system resilience Agile mindset, with TDD/BDD and CI/CD experience Bonus: Background in Banking/Payments is helpful but not required – if you’ve built high-performance, real-time systems, we want to talk to you. 🎁 What’s In It for You 💰 £95,000 – £115,000 base salary (DOE) 🎯 20% bonus 🧠 Work with cutting-edge More ❯

do. You will contribute within your development team and embrace continuous improvement across the wider team. Some key responsibilities: Provide technical support for our suite of middleware applications, ensuring high availability and performance. Troubleshoot and resolve .net and SQL related issues reported by internal teams and external clients. Provide development support for server upgrades and pen tests. Collaborate … role sounds like what you’re looking for, and you want to be part of an organisation that focuses on our employees’ career progression, while working on interesting and high-profile projects, please apply today! Rewards designed for you Flexible work to help you find the best balance between work and lifestyle. Health and wellbeing rewards that can be More ❯

secure and reliable. You'll work with a mix of on-premise and cloud-based systems, interacting with development, infrastructure, and third-party suppliers, MSPs and Vendors to maintain high availability and quality of service. Key Responsibilities Maintain operational control of multiple business-critical applications, ensuring stability, uptime, and quality of service. Coordinate with vendors and internal teams … management, and longer-term service optimisation. Why Join This position offers the chance to work within a growing London-based organisation that values modern technology, collaborative problem-solving, and high-quality service delivery. You'll play a central role in keeping critical systems running smoothly while shaping the future of how technology supports the business. Apply following the link More ❯

needed, work alongside our Sales, Marketing & Innovation team to provide materials/Pre-Sales support for sales activities Writing and reviewing reports and other client-facing deliverables, to a high standard The expectation will be that you have basic skill in the design and configuration of an IAM vendors capabilities (e.g. Life Cycle Management, Application Onboarding, Workflows, Provisioning, Access … consulting, ideally experience with the ‘Big-4’ or similar Understanding of the following concepts/technologies: LDAP; FIDO; SAML; OAUTH; Active Directory; Linux; Databases (SQL/JDBC); Networking (including High Availability, Fault Tolerance, etc), Virtualisation technology Implementation and project methodologies (e.g. PRINCE2/AGILE More ❯

needed, work alongside our Sales, Marketing & Innovation team to provide materials/Pre-Sales support for sales activities Writing and reviewing reports and other client-facing deliverables, to a high standard The expectation will be that you have basic skill in the design and configuration of an IAM vendors capabilities (e.g. Life Cycle Management, Application Onboarding, Workflows, Provisioning, Access … consulting, ideally experience with the ‘Big-4’ or similar Understanding of the following concepts/technologies: LDAP; FIDO; SAML; OAUTH; Active Directory; Linux; Databases (SQL/JDBC); Networking (including High Availability, Fault Tolerance, etc), Virtualisation technology Implementation and project methodologies (e.g. PRINCE2/AGILE More ❯

needed, work alongside our Sales, Marketing & Innovation team to provide materials/Pre-Sales support for sales activities Writing and reviewing reports and other client-facing deliverables, to a high standard The expectation will be that you have basic skill in the design and configuration of an IAM vendors capabilities (e.g. Life Cycle Management, Application Onboarding, Workflows, Provisioning, Access … consulting, ideally experience with the ‘Big-4’ or similar Understanding of the following concepts/technologies: LDAP; FIDO; SAML; OAUTH; Active Directory; Linux; Databases (SQL/JDBC); Networking (including High Availability, Fault Tolerance, etc), Virtualisation technology Implementation and project methodologies (e.g. PRINCE2/AGILE More ❯

needed, work alongside our Sales, Marketing & Innovation team to provide materials/Pre-Sales support for sales activities Writing and reviewing reports and other client-facing deliverables, to a high standard The expectation will be that you have basic skill in the design and configuration of an IAM vendors capabilities (e.g. Life Cycle Management, Application Onboarding, Workflows, Provisioning, Access … consulting, ideally experience with the ‘Big-4’ or similar Understanding of the following concepts/technologies: LDAP; FIDO; SAML; OAUTH; Active Directory; Linux; Databases (SQL/JDBC); Networking (including High Availability, Fault Tolerance, etc), Virtualisation technology Implementation and project methodologies (e.g. PRINCE2/AGILE More ❯

needed, work alongside our Sales, Marketing & Innovation team to provide materials/Pre-Sales support for sales activities Writing and reviewing reports and other client-facing deliverables, to a high standard The expectation will be that you have basic skill in the design and configuration of an IAM vendors capabilities (e.g. Life Cycle Management, Application Onboarding, Workflows, Provisioning, Access … consulting, ideally experience with the ‘Big-4’ or similar Understanding of the following concepts/technologies: LDAP; FIDO; SAML; OAUTH; Active Directory; Linux; Databases (SQL/JDBC); Networking (including High Availability, Fault Tolerance, etc), Virtualisation technology Implementation and project methodologies (e.g. PRINCE2/AGILE More ❯

Key Responsibilities: 1. Design, implement, and maintain network infrastructure, including LAN, WAN, and wireless networks. 2. Ensure high availability, security, and performance of network systems. 3. Collaborate with cross-functional teams, including security, operations, and development. 4. Develop and implement network architecture standards and best practices. 5. Conduct network assessments and provide recommendations for improvement. 6. Stay up More ❯

Contract Remote working with occasional travel to Reading, Berkshire £74.26 Per Hour (Umbrella Rate - Inside IR35) The Role 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 ❯

monitor SQL Server environments (on-premises and cloud). Conduct performance tuning, query optimization, indexing, and security hardening for mission-critical databases. Implement and maintain backup, disaster recovery, and high availability solutions. Apply DoD STIGs and SCAP compliance to database and application environments. Collaborate with software engineers, system admins, and analysts to design and implement scalable solutions. Develop More ❯