176 to 200 of 428 High Availability Jobs in England

Asterisk PBX systems will be especially sought after. You main duties will include: Installation, management and configuration of networks and servers in a high-availability architecture to include Cisco ASA, Cisco Catalyst. Installation management and configuration of voice networks, experience with open source technology (freeswitch/opensips ...

systems, external datasets) Ensure data quality, cleansing and governance processes are implemented Monitor, troubleshoot and optimise data pipeline and data warehouse performance to ensure high availability and efficiency Liaise closely with business and IT stakeholders, including directors and senior leadership Assist in defining technical requirements for new systems ...

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 ...

initial 24 Month Fixed Term Contract for a Global Financial services Organisation. Responsibilities: Administer and optimise Oracle databases for core banking applications, ensuring high availability, performance, and security. Manage and maintain Linux and AIX servers hosting financial systems. Perform OS and database upgrades, patching, and performance tuning. Collaborate ...

with internal and external systems (e.g., energy models, environmental databases) 2. Infrastructure Provisioning Design and provision Azure-based environments (Sandbox, Dev, UAT, Production) Ensure high availability, scalability, and security of cloud infrastructure Integrate with peripheral systems to support end-to-end workflows 3. Data Migration & Legacy System Integration ...

need to diagnose and resolve issues effectively - A financial industry background would be helpful, particularly to understand the regulatory landscape and the importance of high availability in critical infrastructure - Willingness and capability to learn new tools/technologies and adapt to changing technology demands Education & Certification Bachelor ...

routers (e.g., MX, ACX series) - Manage and support routing protocols such as BGP, OSPF, and MPLS - Manage and support CGNAT and BNG platforms. - Ensure high availability, redundancy, and performance across the core network - Perform network upgrades, migrations, and capacity planning - Troubleshoot complex network issues across layers … move and wedding day off. - Option to buy or sell up to 5 additional days annual leave - Enhanced Paternity/Maternity/Adoption leave - High Street Shopping Discount Scheme - Holidays, food and drink, insurance, sport, tech, high street, Ikea, M&S, cinema etc. - Free Parking on site. - Regular ...

expertise in Apache Kafka and cloud integration to join our dynamic team in Leeds. This role offers the opportunity to design, build, and manage high-performing Kafka platforms across cloud and on-premise environments, ensuring reliability, security, and scalability. Key Responsibilities: Lead Kafka cluster build , including design, infrastructure planning … high availability, and disaster recovery. Build and support producer/consumer applications . Implement encryption (SSL) , authentication (SASL/LDAP) , and authorization (Kafka ACLs) across brokers, clients, Connect clusters, Schema Registry, REST API, Producers/Consumers, and KSQL. Manage SSL certificates including public key management. ...

continuous improvement. Key Responsibilities Act as the senior on-site technical authority, supporting delivery across all customer contracts and operational obligations Ensure 100% availability of all mechanical, electrical and life safety systems Oversee day-to-day operation and monitoring of all critical M&E infrastructure, including understanding of Sequences … maintain a robust library of SOPs and EOPs , ensuring operational readiness at all times Ensure all work carried out on site is compliant, high quality and non-disruptive to customers Act as second-line escalation for major incidents and participate in on-call rota arrangements Maintain HV/ ...

Network & Security Engineer to join our Technology team. This role plays a key part in designing, building and supporting our global network infrastructure, ensuring high performance, resilience and security across on-premise and cloud environments. This is an onsite role - 5 days in London You will work across both … cloud network infrastructure Deliver network engineering and design for new initiatives, alongside ongoing BAU growth and optimisation Monitor network performance, capacity and availability, providing proactive support and troubleshooting Implement new network services in line with internal policies, standards and security requirements Identify, advise on and remediate network and security ...

seeking an experienced Senior Networking and Connectivity Engineer to join a highly skilled team. This role is critical in designing, implementing, and maintaining secure, high-performance network infrastructures across multiple environments. The ideal candidate will have deep expertise in Internet Protocol (IP) networking and hands-on experience with Next … environment requiring a 4 on/4 off shift pattern , including night shifts . Key Responsibilities Design, deploy, and manage enterprise network solutions, ensuring high availability and security. Configure, maintain, and troubleshoot NGFW platforms including Fortinet FortiGate, Palo Alto Networks, Juniper, and/or Cisco Firepower . Implement ...

upgrades and migrations across multi site environments Configure and support Cisco core networks including LAN Core and ISE plus switches and firewalls Ensure high availability and security of network systems in line with best practice Act as a senior technical point of contact for critical network issues ...

Bristol area Shift Pattern: Nights (shifts between 19:00-07:00) Clearance: Active SC (essential) Start: January 2026 Overview We are supporting a secure, high-availability IT environment and are looking for a First Line Support Analyst to join an established Service Desk team providing out-of-hours ...

highly technical Global Head of Compute & Storage to own and evolve large-scale enterprise compute, storage, and data protection platforms in a regulated, high-availability environment. This role has global accountability for Linux-based infrastructure, including x86 compute, SAN/NAS storage, backup, archiving, and disaster recovery services. ...

paced environments and enjoy building robust, scalable systems, this opportunity may be for you! Key Responsibilities - Administer, maintain and optimise Linux server environments for high availability and performance - Implement security best practices across Linux, Windows and macOS systems - Perform regular system audits, updates and patch management - Support Windows ...

strategic trading firm, is looking for an Infrastructure Operations Engineer to support their Infrastructure team. The Infrastructure team is responsible for maintaining a resilient, high-availability Linux environment that supports large-scale compute workloads and mission-critical platforms. The team partners with researchers, developers, and systems engineers ...

strategic trading firm, is looking for an Infrastructure Operations Engineer to support their Infrastructure team. The Infrastructure team is responsible for maintaining a resilient, high-availability Linux environment that supports large-scale compute workloads and mission-critical platforms. The team partners with researchers, developers, and systems engineers ...

resilience, security, and operational excellence. In this role, you will be responsible for building, maintaining, and optimising Windows and Intel-based infrastructure, ensuring high availability and compliance across critical systems. A key focus of this role is transitioning from manual USB-based server builds to automated deployments using ...

including Virtual Machines, Storage Accounts, and networking components. Administer Azure Active Directory (AAD), managing user accounts, roles, groups, and access policies. Monitor performance and availability using Azure Monitor, Log Analytics, and diagnostic tools, investigating and resolving incidents. Design and implement robust backup, disaster recovery, and high-availability ...

hands-on expertise in Entrata and strong IT project management skills to deliver operational excellence and drive innovation across enterprise systems. You’ll lead high-performing teams, collaborate with senior stakeholders, and ensure seamless IT service delivery across applications, infrastructure, and user support. Role & Responsibilities: Entrata Application Service Management … Build and lead a dedicated team to support the Entrata platform, ensuring high availability and performance. Oversee the full application lifecycle: deployment, upgrades, incident resolution, and vendor coordination. Define and implement SLAs, KPIs, and continuous improvement initiatives. Align Entrata capabilities with business needs through stakeholder collaboration. End-User ...

hands-on expertise in Entrata and strong IT project management skills to deliver operational excellence and drive innovation across enterprise systems. You'll lead high-performing teams, collaborate with senior stakeholders, and ensure seamless IT service delivery across applications, infrastructure, and user support. Role & Responsibilities: Entrata Application Service Management … Build and lead a dedicated team to support the Entrata platform, ensuring high availability and performance. Oversee the full application lifecycle: deployment, upgrades, incident resolution, and vendor coordination. Define and implement SLAs, KPIs, and continuous improvement initiatives. Align Entrata capabilities with business needs through stakeholder collaboration. End-User ...

opportunity: Lead and develop the Cyber Security Engineering team, ensuring effective resource coordination, security clearance management, and technical delivery. Manage the delivery, maintenance, and availability of MBDA UK's cyber security tools and ensure robust business continuity and disaster recovery processes. Oversee SOC account and access administration, enforcing identity … Working knowledge of identity and access management (IAM) and principles of least privilege and need-to-know. Desirable: Experience in defence, government, or other high-assurance environments. Experience developing and maintaining Standard Operating Procedures (SOPs) and security documentation. Exposure to AI/ML-based security capabilities or next ...

opportunity: Lead and develop the Cyber Security Engineering team, ensuring effective resource coordination, security clearance management, and technical delivery. Manage the delivery, maintenance, and availability of MBDA UK's cyber security tools and ensure robust business continuity and disaster recovery processes. Oversee SOC account and access administration, enforcing identity … Working knowledge of identity and access management (IAM) and principles of least privilege and need-to-know. Desirable: Experience in defence, government, or other high-assurance environments. Experience developing and maintaining Standard Operating Procedures (SOPs) and security documentation. Exposure to AI/ML-based security capabilities or next ...

provide ongoing feedback to foster growth and development within the team. Operational Oversight: Oversee the daily operations of digital systems, applications, and infrastructure. Ensure high availability and performance of all IT services and applications. Implement and maintain monitoring systems to proactively identify and resolve issues. Application Support: Manage … with the End-to-End QA Specialist to develop comprehensive test plans and ensure thorough testing. Ensure quality assurance processes are followed to maintain high standards. Strategic Planning and Improvement: Develop and implement strategies to enhance digital operations and IT service delivery. Identify opportunities for process optimisation and efficiency ...

design, build and maintain the core data infrastructure powering the investment and risk processes. This is a fully hands-on role within a small, high-calibre team, offering significant impact and ownership. You will develop robust, production-grade ETL pipelines, manage cloud-based and on-prem data environments … from external vendors, trading systems and internal sources. The role also involves implementing automated data validation processes, optimising data quality and performance, and ensuring high availability across all systems. Working closely with the portfolio manager, researchers and engineers, you will enable data-driven decision-making through well-structured ...