276 to 300 of 461 High Availability Jobs in the UK

Principal Software Engineer

Hiring Organisation
Jobleads-UK
Location
Newbury, England, United Kingdom
with product management to shape roadmap priorities and translate customer challenges into technical solutions. Work with System Test, DevOps, and release engineering to ensure high‐quality, low‐risk releases across a diverse product portfolio. Introduce and champion engineering excellence practices, including automated testing, performance benchmarking, observability, and maintainability. Qualifications … team technical initiatives. Deep expertise in systems‐level software development (compilers, runtimes, operating systems, or infrastructure‐level platforms). Strong background in mission‐critical, highavailability software (e.g., financial services, telecom, government, or core enterprise platforms). Proven experience with COBOL, PL/I, C, or C++ ...

VMware/Nutanix Infrastructure Engineer

Hiring Organisation
Jobleads-UK
Location
Guildford, England, United Kingdom
. Key Responsibilities Own day‐to‐day administration of VMware and Nutanix environments, ensuring security, resilience and optimal performance. Maintain platform health, performance and availability through proactive patching, lifecycle management and firmware upgrades. Plan and implement upgrades for VMware, Nutanix, firmware and associated infrastructure. Troubleshoot complex infrastructure issues … vCenter. Experience supporting Nutanix AHV environments. Knowledge of hyper–converged infrastructure technologies. Experience with firmware upgrades, lifecycle management and patching. Deep understanding of high availability, clustering and disaster recovery. Windows Server infrastructure experience. PowerShell scripting and automation experience advantageous. Excellent troubleshooting, documentation and communication skills. Desirable Experience Nutanix ...

Senior AI Engineer

Hiring Organisation
Cubiq Recruitment
Location
South West London, London, United Kingdom
Employment Type
Permanent
company is looking for someone who has built and shipped real agentic AI products used by customers in live environments. Youll help architect reliable, high-availability systems that support AI agents interacting with complex workflows and sensitive healthcare data. The role covers backend engineering, concurrency, distributed architectures, infrastructure … built and shipped agentic AI systems into production environments with real users and customers. You are comfortable working on orchestration systems, async architectures, and high-throughput backend services. You have strong Python experience and are confident in building with frameworks such as FastAPI. You understand cloud infrastructure and production ...

VMware/Nutanix Infrastructure Engineer

Hiring Organisation
ed Resourcing Ltd
Location
Surrey, United Kingdom
Employment Type
Permanent
Salary
GBP Annual
VMware and Nutanix environments, ensuring they remain secure, resilient and performing at their best. Alongside platform administration, you'll provide technical leadership, produce high-quality documentation and support the wider infrastructure team through knowledge sharing and best practice. Key Responsibilities Take ownership of the VMware and Nutanix infrastructure. Maintain … vCenter. Experience supporting Nutanix AHV environments. Knowledge of hyper-converged infrastructure technologies. Experience with firmware upgrades, lifecycle management and patching. Strong understanding of high availability, clustering and disaster recovery. Windows Server infrastructure experience. PowerShell scripting and automation experience would be advantageous. Excellent troubleshooting, documentation and communication skills. Desirable ...

Software Engineering Team Lead

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
core microservices. This role requires a blend of hands‐on technical excellence, strong architectural oversight, and effective people leadership to ensure the team delivers high‐quality, scalable solutions aligned with product strategy. You will be responsible for driving an AI‐native engineering culture, including the adoption of agentic coding … APIs for microservice communication (including using tools like OpenAPI/Swagger). Ensure System Health: Oversee and implement strategies for system scalability, resilience, and high availability, including ownership of monitoring, alerting, and performance optimization. Drive Delivery: Monitor team progress and ensure consistent deliverability and performance throughout agile sprints ...

Senior Network Solution Design Engineer

Hiring Organisation
Vallum Associates Limited
Location
Sheffield, South Yorkshire, Yorkshire, United Kingdom
Employment Type
Contract
Contract Rate
£550 per day
designs Anchor modern application platform designs in proven data-center networking fundamentals, including L2/L3 networking, routing, segmentation, EVPN/VXLAN fabrics, and high availability design principles Partner with platform, cloud, security, and application teams to translate requirements into scalable network solutions Produce clear, decision-oriented design … native environments (Kubernetes) and cloud connectivity implementations Experience designing networks with automation and programmability in mind Ability to evaluate trade-offs across scale, security, availability, and operational complexity ...

IAM Solutions Architect Contract

Hiring Organisation
Cathcart Technology
Location
Sheffield, South Yorkshire, United Kingdom
Employment Type
Contract
Contract Rate
£575 - £600/day
large-scale IAM transformation programme. What You'll Be Doing Define end-to-end solution architecture across business, application, data and infrastructure domains. Produce High Level Designs (HLDs), Low Level Designs (LLDs) and Architecture Decision Records (ADRs). Translate business, security and regulatory requirements into secure technical solutions. Design … Architecture and API Security Event-Driven Architecture Policy-as-Code (OPA, Cedar or similar) PKI, Certificates and Secrets Management DevSecOps and CI/CD High Availability, Disaster Recovery and Resilience Design Security Architecture Architecture Governance and Design Reviews Strong stakeholder management and technical leadership experience ...

Principle Engineer -HVDC Control & Protection System Application

Hiring Organisation
Jobleads-UK
Location
Stafford, England, United Kingdom
unprecedented growth in demand for and generation of electricity. To accommodate this growth, the capacity of transmission systems is projected to grow three-fold. High voltage direct current (HVDC) transmission systems will connect remote and offshore renewables, interconnect energy markets and reinforce AC grids. Converter stations convert … analysis. Provide technical consultation on product problems across the business, including supplier and field support; perform technical rescues when needed. Mentor and coach identified high-potential engineers within one’s business lines. Chair design reviews for components, sub-assemblies and key deliverables at tendering and contract execution stages. Support ...

Senior Platform Engineer – Cloud Infra (AWS/Kubernetes)

Hiring Organisation
Jobleads-UK
Location
United Kingdom
Sedna is seeking a Senior Platform Engineer to join our Platform Engineering team. You will ensure the high availability, performance, and scalability of Sedna's SaaS solutions. Working at the intersection of development and operations, you will automate infrastructure, improve reliability, and drive efficiency across our platforms. ...

DV Cleared Senior AWS Cloud Engineer – Secure Infra

Hiring Organisation
Jobleads-UK
Location
Cheltenham, England, United Kingdom
Salt Digital Recruitment is seeking Senior/Specialist Cloud Engineers (AWS & Secure Infrastructure) to design, build and deploy high-availability AWS solutions for a global security organisation. You will work on secure cloud architecture, automate with IaC, and mentor junior engineers in an agile delivery team. Location options ...

DV Cleared Senior AWS Cloud Engineer – Secure Infra

Hiring Organisation
Jobleads-UK
Location
Ipswich, England, United Kingdom
Salt Digital Recruitment is seeking Senior/Specialist Cloud Engineers (AWS & Secure Infrastructure) to design, build and deploy high-availability AWS solutions for a global security organisation. You will work on secure cloud architecture, automate with IaC, and mentor junior engineers in an agile delivery team. Location options ...

DV Cleared Senior AWS Cloud Engineer – Secure Infra

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Salt Digital Recruitment is seeking Senior/Specialist Cloud Engineers (AWS & Secure Infrastructure) to design, build and deploy high-availability AWS solutions for a global security organisation. You will work on secure cloud architecture, automate with IaC, and mentor junior engineers in an agile delivery team. Location options ...

PKI and HSM SME

Hiring Organisation
Infoplus Technologies UK Ltd
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP Annual
Managed HSM Strong understanding of PKI concepts including CA hierarchy, certificate templates, CRL, and OCSP Experience in HSM administration including provisioning, partitioning, backup, and high availability Understanding of cryptographic principles and secure key management practices Experience executing or supporting key ceremonies Experience integrating PKI with Active Directory, Intune ...

windows engineer

Hiring Organisation
Peregrine
Location
London, United Kingdom
Employment Type
Permanent
Salary
£1/annum
successful candidate will be responsible for Windows Server administration, Active Directory services, virtualization platforms, automation, security compliance, and infrastructure modernization projects while ensuring high availability and operational excellence. Key Responsibilities Manage and support enterprise Windows Server environments (Windows Server 2016, 2019, 2022 and later). Build, configure, maintain ...

Senior Backend Python Engineer

Hiring Organisation
Interact Consulting Limited
Location
South West London, London, United Kingdom
Employment Type
Permanent, Work From Home
technical decisions, and have genuine autonomy to build the platform the right way. What youll be doing: Leading backend development across event-driven, high-availability systems Owning cloud infrastructure across AWS & GCP Building with Python (FastAPI or similar), Postgres, and Redis Designing clean, versioned, backwards-compatible APIs Driving ...

Systems Engineer

Hiring Organisation
HSB Technical Ltd
Location
Surrey, South East, United Kingdom
Employment Type
Permanent
Linux-based server environments and enterprise network infrastructure. Designing and supporting routing, switching, firewall and network security solutions. Contributing to systems integration, virtualisation and high-availability projects. Participating in engineering support rotas when required. Maintaining technical expertise across emerging communications, networking and satellite technologies. HSB Technical's client ...

Datacoms Technician

Hiring Organisation
HSB Technical Ltd
Location
Redhill, Surrey, South East, United Kingdom
Employment Type
Permanent
testing of new products, software and technologies. Providing technical support for routing, switching, firewall and network infrastructure. Supporting VoIP, virtualisation, email, web filtering and high-availability systems. Travelling to customer sites when required to carry out surveys, installations and network configuration. Working closely with internal engineering teams, customers ...

Senior Application Manager – Markets Technology

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
client satisfaction. Build strong relationships with third-party vendors, ensuring service delivery meets performance, security, and cost-effectiveness standards. Monitor application performance, ensuring high availability, security, and compliance with industry standards. Supervise a team of application configuration and technical specialists, fostering a culture of collaboration and continuous improvement. ...

Lead Enterprise Architect

Hiring Organisation
Jobleads-UK
Location
Manchester, England, United Kingdom
analysis Experience with at least the following: Networking Domains (and Domain Segregation) Hybrid Cloud Microsoft O365/ActiveDirectory/AzureAD/Sharepoint/PowerBI High Availability deployment strategy Enterprise Architecture Security principles Written functional documentation Technical documentation writing Familiar with TOGAF (or similar frameworks) Proactive project membership ...

Senior Software Engineer - Login Platform

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
software engineering experience in C++, ideally building backend, infrastructure, platform, or systems-level software. Experience designing, building, or operating distributed backend systems, ideally in high-availability, low-latency, or infrastructure-heavy environments. Strong experience designing and building multi-threaded or concurrent applications. Experience owning software across the full ...

Senior Software Engineer

Hiring Organisation
Jobleads-UK
Location
Stevenage, England, United Kingdom
track record of innovation, particularly in bringing modern software technologies, tools and methodologies to improve products and simplify their development. Experience in design of high availability software systems Experience in design of secure software systems. Knowledge of wireless telecommunications systems. Knowledge and application of Python numerical libraries (e.g. ...

Senior Software Engineer

Hiring Organisation
Jobleads-UK
Location
Manchester, England, United Kingdom
track record of innovation, particularly in bringing modern software technologies, tools and methodologies to improve products and simplify their development. Experience in design of high availability software systems Experience in design of secure software systems. Knowledge of wireless telecommunications systems. Knowledge and application of Python numerical libraries (e.g. ...

Senior Software Engineer

Hiring Organisation
Jobleads-UK
Location
East Hagbourne, England, United Kingdom
track record of innovation, particularly in bringing modern software technologies, tools and methodologies to improve products and simplify their development. Experience in design of high availability software systems Experience in design of secure software systems. Knowledge of wireless telecommunications systems. Knowledge and application of Python numerical libraries (e.g. ...

Senior Full-Stack Engineer - Cloud-Native .NET/C# & Vue.js

Hiring Organisation
Jobleads-UK
Location
Windsor, England, United Kingdom
building modern, cloud-native systems using .NET/C#, Azure SQL, and Vue.js, with a strong focus on automation-first development, security, and high availability. If you have experience in the payments domain... #J-18808-Ljbffr ...

Performance Test Lead

Hiring Organisation
Talent Smart
Location
S1, Orchard Square, Sheffield, South Yorkshire, United Kingdom
Employment Type
Contract
Contract Rate
£650 - £675/day
Google Cloud Platform (GCP) and cloud-native applications. Expertise in defining and executing testing strategies covering load, stress, volume, resilience, failover, disaster recovery, and high availability. Experience with performance testing tools such as JMeter, Gatling, LoadRunner or NeoLoad. Strong scripting skills (Python, Java or Scala) and experience integrating testing ...