12 of 12 Remote/Hybrid Contract High Availability Jobs

mission critical solutions used by Police, Fire & Rescue, Airports and other public safety organisations. Our solutions support real-time operational environments where resilience, availability and security are essential. As part of our continued growth and transformation towards providing managed services, we are looking for an experienced Infrastructure Architect … cloud-hosted managed service platforms Define infrastructure architecture for mission critical applications, including: Cloud hosting (public or private cloud) Networking Resilience and disaster recovery High availability Performance and scalability Security and operational monitoring Automated deployment using Infrastructure as Code (IaC) Work closely with software engineering and DevOps teams ...

ensuring the smooth operation of their applications, resolving issues, and providing support to end-users. This role is crucial for maintaining the integrity and availability of their critical business applications in a timely manner to ensure FO and MO users have required data to performing their … architecture for Windows-based and SQL-Server environments that support the Official PNL platform. Define standards for server sizing, storage, high-availability, disaster-recovery and security (firewall). European Support Coverage - Official PNL Provide Tier-2/3 support for the Official PNL application across all EMEA locations ...

Systems Administrator, Network & Application Support Engineer Role Purpose: Support, maintain and enhance critical telecoms production systems, applications and infrastructure whilst ensuring operational stability, service availability, security compliance and successful delivery of system changes across operational environments. Location: Hybrid working - Newbury, Berkshire, RG14 2FN & remote, home based Role Type: Temporary … operational support systems used for network inventory management and automated network configuration * Support integrations between OSS platforms and Cramer inventory environments * Monitor system performance, availability and operational health * Troubleshoot and resolve production incidents, service issues and application faults * Support application deployments, configuration changes and production releases * Develop and maintain ...

seeking a Senior Infrastructure Engineer with strong, recent hands-on experience in Oracle Cloud Infrastructure (OCI) and Oracle Exadata to join a high-profile programme. Core Purpose of the Role This is a senior technical role focused on: Leading and supporting Oracle-based infrastructure services in OCI and Exadata … Oracle RAC, ASM, AFD, HANFS, TAF Data Guard configuration and support RMAN backup and recovery OEM and OCI Database Management Patching, upgrades, and high availability mission-critical environments Cloud & Infrastructure Strong OCI experience (critical requirement) AWS experience (especially network segregation/security) Linux and/or AIX environments ...

Oracle Linux KVM and Oracle Linux Virtualization Manager (OLVM) * Own architecture and design across virtualisation platforms, including clusters, hosts and networking * Produce high-quality HLD and LLD documentation covering architecture, security, and operational models * Lead build, configuration, and deployment of KVM/OLVM environments * Define standards across security hardening … patching, monitoring and resilience * Design and implement high availability, disaster recovery, and live migration solutions * Collaborate with infrastructure, security and application teams to ensure integration and supportability * Support governance, assurance and technical design reviews * Drive implementation, migration, and operational readiness planning Key Skills & Experience * Strong hands-on experience ...

Real Time Observability Engineer | Contract | £650 INSIDE IR35 | Hybrid/Global Platform | High Performance Systems We are working with a global Real Time data platform operating across multiple markets and high-throughput trading environments. Key responsibilities Build and maintain application-layer observability components that aggregate and correlate telemetry … Develop telemetry pipelines for metrics, logs, and traces across Real Time distributed systems Extend low-level instrumentation approaches where required, including Kernel-level or high-efficiency data capture techniques What you bring Strong software engineering background building observability, telemetry, or distributed data systems Experience with Real Time or streaming ...

Experience working within complex operational environments Desirable Skills Solaris Zones LDOMs (Logical Domains) SPARC hardware Linux administration Storage and networking technologies Infrastructure migration projects High availability and disaster recovery environments Contract Details Initial contract with strong likelihood of extension Inside IR35 Hybrid working (1-2 days per week ...

e.g. expiry, revocation, weak templates) Design a target-state ("to-be") PKI architecture , including: Root and subordinate CA hierarchy Certificate enrolment and lifecycle processes High availability and resilience considerations Translate existing setup into a standardised, repeatable PKI design suitable for enterprise scale Configure and optimise Active Directory Certificate ...

point of contact for support, maintenance, and enhancements across MDS and Trading Applications. Provide end-to-end troubleshooting across infrastructure, platforms, and applications, ensuring high availability of services. System Maintenance & Administration: Monitor, maintain, and develop MDS and trading system infrastructure. Manage server and application upgrades while ensuring compliance … trading systems. Proven troubleshooting capabilities across applications, infrastructure, and networks. Understanding of Front Office priorities and trading environments. Excellent stakeholder management and communication skills. High attention to detail in documentation and compliance. Ability to manage multiple priorities in a complex technical environment. Proactive approach to system improvement and risk ...

into the messaging layer. Troubleshoot real-time messaging and latency issues impacting trading flows. Support market data and trade execution systems. Manage capacity planning, high availability/disaster recovery (HA/DR), and scalability of the platform. Collaborate closely with developers and front-office stakeholders. Essential Skills Strong … call/out-of-hours support. Work Environment This role is based in London with a hybrid working model. The work involves a high-pressure, real-time environment where performance and speed are paramount. The position requires close collaboration with engineering and trading stakeholders, with opportunities for autonomy ...

actionable insights. * Drive continuous enhancement of network KPIs, ensuring optimal customer experience. What you'll bring: * Extensive experience in mobile network performance, specialising in high-availability systems. * Proven expertise in UE log analysis, 5G investigations, and parameter optimisation. * Deep understanding of 4G/5G network architecture, protocols ...

systems , including SMS, email, and alerting workflows Experience: • Integration & Resilience: Experience testing complex, event-driven systems with webhook/API integrations, decisioning logic, and high-availability architectures (including failover and multi-channel delivery scenarios) Nice to have: • Nice to Have – Industry: Experience within messaging, communications, or alerting platforms ...