1 to 25 of 68 Contract High Availability Jobs in the UK excluding London

Microsoft Teams App Developer / Microsoft 365 Solutions Developer

Hiring Organisation
Lynx Recruitment Ltd
Location
High Wycombe, Buckinghamshire, England, United Kingdom
Employment Type
Contractor
Contract Rate
Salary negotiable
Microsoft Teams App Developer/Microsoft 365 Solutions Developer Outside IR35 | Contract | Hybrid – High Wycombe Contract: Outside IR35 Location: Hybrid (High Wycombe – on-site as required) Start: ASAP Duration: Initial contract with extension potential The Opportunity We are looking for an experienced Microsoft Teams App Developer to deliver …/closed states Confirmation of submitted votes Secret vs non-secret voting behaviour Ensure the app is reliable, accessible, and easy to use in high-pressure live meeting environments Administrative Control & Backend Systems Build backend services allowing administrators (ACCS) to: Start, end, and manage votes Define vote types, labels ...

DBA Specialist

Hiring Organisation
Experis
Location
Winchester, Hampshire, United Kingdom
Employment Type
Contract
Contract Rate
£425 - £465/day
routine database maintenance tasks, including backups, restores, and patching. Monitor database performance and troubleshoot issues. Manage database security and access control. Implement and maintain high availability and disaster recovery solutions. Required Skills: Proven experience as a DBA Specialist or similar role. Strong understanding of database concepts and principles. … Azure SQL Database, Google Cloud SQL) is a plus. Experience with scripting languages (esp. PowerShell) is highly desirable. Experience with database replication, high availability, and disaster recovery solutions. Awareness of Apache Tomcat & JVM Experience of overcoming VLDB challenges. Excellent problem-solving and analytical skills. Strong communication and interpersonal ...

OpenShift Architecture and Migration Design Specialist

Hiring Organisation
Infoplus Technologies UK Ltd
Location
Sheffield, South Yorkshire, Yorkshire, United Kingdom
Employment Type
Contract
Contract Rate
From £450 to £520 per day
networking, and storage solutions. oDefine and implement best practices for OpenShift cluster setup, including multi-zone and multi-region deployments. oEnsure the architecture supports high availability, fault tolerance, and disaster recovery. 2.Migration Design and Optimization: oAssess existing infrastructure, applications, and workloads to determine migration readiness. oDevelop detailed migration … virtualized environments. oLeverage VMware tools (e.g., vSphere, vCenter, NSX) to optimize OpenShift deployments. oConfigure and manage Pure Storage solutions (e.g., FlashArray, FlashBlade) to provide high-performance, scalable storage for OpenShift workloads. oEnsure compatibility and performance optimization between OpenShift, VMware, and Pure Storage. 4.CI/CD Pipelines and DevOps Workflows ...

Senior Oracle / SQL Database Administrator (OT Environment)

Hiring Organisation
KBC Technologies UK LTD
Location
Wokingham, Berkshire, England, United Kingdom
Employment Type
Contractor
Contract Rate
£400 - £500 per day
environments Perform installations, patching, configuration, upgrades, backups, and recovery Manage database objects, storage, schemas, tablespaces, indexing, and access controls Ensure 24/7 availability of mission-critical operational systems OT Systems Support Work closely with SCADA, control engineers, and plant operations teams Support databases integrated with PLCs, DCS, historians … maintenance windows Troubleshoot issues impacting real-time operations and plant uptime Performance & Reliability Identify and resolve performance issues (wait events, deadlocks, slow queries) Implement high availability solutions including RAC, Data Guard, Always On, and Log Shipping Conduct proactive monitoring, tuning, and capacity planning Backup, Recovery & DR Manage RMAN ...

Juniper Network Engineer

Hiring Organisation
Tria
Location
Newbury, Berkshire, United Kingdom
Employment Type
Contract
Contract Rate
£600 - £650/day
Services (AWS) and Microsoft Azure. Key Responsibilities Design and implement enterprise LAN/WAN/WLAN networks using Juniper technologies Plan and deploy high-availability, resilient, and scalable network architectures Integrate on-premise infrastructure with cloud platforms (AWS, Azure) Configure and manage Juniper routers, switches, and firewalls Implement … series or equivalent) Juniper switches (EX/QFX series) Juniper SRX firewalls Solid understanding of: Routing protocols (BGP, OSPF, IS-IS) VLANs, MPLS, VPNs High-availability and failover technologies Experience integrating enterprise networks with AWS and/or Azure Strong troubleshooting capability in complex, multi-site environments Experience ...

Oracle DBA with AWS Postgres Migration - Manchester, UK

Hiring Organisation
Randstad Digital
Location
Manchester, North West, United Kingdom
Employment Type
Contract
Contract Rate
£600 - £700 per day
experienced Oracle DBA for a 6-month engagement with. In this standalone, mission-critical role, you will be the ultimate technical authority for a high-availability database estate. The Role: Act as the go-to technical expert for Oracle Database 12c, taking full ownership of stability, security … performance. Diagnose and resolve complex performance issues on high-volume transactional workloads (using AWR/ASH, SQL tuning, and execution plan reviews). Design, test, and manage robust RMAN backup and recovery strategies. Partner with Dev and QA teams to advise on schema design, query patterns, and operational impact. ...

Oracle DBA (SC Clearance) - Leeds, UK

Hiring Organisation
Randstad Digital
Location
Leeds, West Yorkshire, Yorkshire, United Kingdom
Employment Type
Contract
Contract Rate
£600 - £700 per day
month engagement with PIN Communications. In this standalone, mission-critical role, you will be the ultimate technical authority for a high-availability database estate. Must-Have: You MUST hold a Current and Active SC Clearance to be considered. The Role: Act as the go-to technical expert … Oracle Database 12c, taking full ownership of stability, security, and performance. Diagnose and resolve complex performance issues on high-volume transactional workloads (using AWR/ASH, SQL tuning, and execution plan reviews). Design, test, and manage robust RMAN backup and recovery strategies. Lead database patching (PSU/ ...

Senior Citrix Infrastructure Engineer

Hiring Organisation
Rise Technical Recruitment Limited
Location
Milton Keynes, Buckinghamshire, England, United Kingdom
Employment Type
Contractor
Contract Rate
£550 - £600 per day
environment. Experience Required: * Extensive experience with Citrix Virtual Apps and Desktops * Design, build, upgrade and support of Citrix environments * Performance tuning and troubleshooting in high-availability environments * Integration with Active Directory and secure access solutions * Understanding of user experience optimisation in virtual desktop platforms * Experience operating Citrix … troubleshooting Strong indicator of enterprise-scale Citrix experience Citrix Certified Expert - Virtualization (CCE-V) (desirable for senior SMEs) Architecture-level knowledge Suitable for complex, high-availability environments Rise Technical Recruitment Ltd acts an employment agency for permanent roles and an employment business for temporary roles. The salary advertised ...

Mainframe DB2 System System Admin - Edinburgh/London

Hiring Organisation
Infoplus Technologies UK Ltd
Location
Edinburgh, Midlothian, Scotland, United Kingdom
Employment Type
Contract, Work From Home
Duration: 6+ Months contract Location: London/Edinburgh (Hybrid) Role description: The ideal candidate ensures high availability and optimal performance of the DB2 subsystem. This role requires deep technical knowledge of SMP/E, z/OS internals, and third-party management tools like Broadcom (formerly CA) Platinum … assist in database management and monitoring. Security: Implement and manage DB2 security using RACF, ACF2, or Top Secret. Key skills: The ideal candidate ensures high availability and optimal performance of the DB2 subsystem. This role requires deep technical knowledge of SMP/E, z/OS internals ...

Senior Full Stack Engineer

Hiring Organisation
MarkIT Placements
Location
Didcot, Oxfordshire, South East, United Kingdom
Employment Type
Contract
Contract Rate
From £500 to £700 per day
permanent Key Responsibilities Yourresponsibilitieswillinclude, but not limited to: Backend architecture &APIs (primary focus) Design and evolve scalable backend services in Python using FastAPI for high-availability, high-throughput workloads. Build well-versioned RESTful APIs aligned to OpenAPI/Swagger, with strong conventions for consistency, idempotency, and backward …/ECS). Experience with API versioning, security, documentation strategies, and automated testing. Strong problem-solving skills and the ability to work independently with high ownership. Soft skills High-agency engineer who owns outcomes end to end. Pragmatic, research-driven approach with a bias to ship and iterate. ...

Kubernetes Engineer (Kubernetes, Jenkins, IAC)

Hiring Organisation
GCS
Location
Sheffield, South Yorkshire, United Kingdom
Employment Type
Contract
Contract Rate
£550 - £650/day
week in office in Leeds). Job Description Top Skils- Kubernetes - 5+ years experience Design, deploy, and manages containerized applications within Kubernetes clusters, ensuring high availability, security, and scalability. Key requirements include proficiency in Kubernetes architecture, Linux networking, CI/CD pipelines, IaC (Terraform), and scripting (Go/ ...

Senior Linux Red Hat Engineer

Hiring Organisation
BOSS Professional Services LTD
Location
High Wycombe, Buckinghamshire, England, United Kingdom
Employment Type
Contractor
Contract Rate
£400 - £500 per day
virtualized environment. Experience in firewall configuration and management. Solid experience in network configuration and management. System monitoring. Monitor, troubleshoot, and optimize network performance, ensuring high availability and minimal downtime. Microsoft AD and Remote Desktop Services (W2019). Experience of PowerShell/Bash scripting (Bash, Korn, C, Shell … hardware The day-to-day duties for the Senior Linux Engineer are: Maintain the company's DR infrastructure. Monitoring of key systems to ensure availability and capacity requirements are met. Be responsible for the scheduling and prioritisation of I&O tasks. Work closely with the senior management team ...

Red Hat Deployment and Platform Engineer

Hiring Organisation
Stackstudio Digital Ltd
Location
Wokingham, Berkshire, South East, United Kingdom
Employment Type
Contract
Contract Rate
From £400 to £420 per day
Cleared Preferred SC Eligible Can be considered The Role We are seeking an experienced Red Hat Deployment and Platform Engineer to join our high-performance engineering team. The ideal candidate will be responsible for deploying, automating, and maintaining enterprise-grade platforms built on Red Hat technologies and container orchestration … Responsibilities Platform Deployment & Engineering Deploy, configure, and manage platforms based on Red Hat Enterprise Linux and related technologies. Implement and maintain Kubernetes clusters, ensuring high availability, scalability, and secure configurations. Manage build, deployment, and orchestration processes using Jenkins and similar CI/CD tools. Deployment Automation & Pipeline Management ...

PowerShell DSC Engineer ArcGIS Enterprise Automation

Hiring Organisation
Stackstudio Digital Ltd
Location
Wokingham, Berkshire, South East, United Kingdom
Employment Type
Contract
Contract Rate
From £350 to £380 per day
event responses, ensuring ArcGIS Enterprise components remain fully functional and consistent across all VMSS nodes. Optimize VMSS deployment images and custom script extensions for high availability GIS workloads. Cloud & Infrastructure Support Support automated deployments in Azure cloud environments. Manage infrastructure provisioning scripts using Terraform. Optimize system performance ...

PowerShell DSC Engineer ArcGIS Enterprise Automation

Hiring Organisation
Infoplus Technologies UK Ltd
Location
Wokingham, Berkshire, South East, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
From £400 to £430 per day
sites. Automate scaling event responses,ensuring ArcGIS Enterprise componentsremainfully functional and consistent across all VMSS nodes. OptimizeVMSS deployment images and custom script extensions for highavailability GIS workloads. Cloud & Infrastructure Support Support automated deployments in Azurecloudenvironments. Manage infrastructure provisioning scriptsusingTerraform. Optimizesystem performance and troubleshoot deployment failures. DevOps & CI/CD Integration ...

Senior RedHat Linux Engineer

Hiring Organisation
CBSbutler Holdings Limited trading as CBSbutler
Location
Wokingham, Berkshire, United Kingdom
Employment Type
Contract
Contract Rate
£350 - £368/day
ensuring stability, automation, and continuous improvement across services. Working within an ITIL/DevSecOps-based support model, you will engage directly with customers, produce high-quality documentation, and ensure critical systems remain secure, optimised, and highly available. Knowledge, Experience & Technical Expertise Proven track record in the design, build … Strong understanding of network protocols and topologies Extensive customer-facing experience within an IT service environment Experience supporting business-critical, real-time systems with high availability requirements Methodical, positive, and solutions-focused approach to problem-solving Proven accountability in driving issues through to successful resolution Ability to produce ...

AI Chatbot Technical Lead

Hiring Organisation
FDM Group
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£60,000 - £95,000 per annum
Chat API using Python, LangChain, and OpenAI services on Azure Function Apps Monitor and resolve API bugs and performance issues to ensure high availability and reliability Oversee and troubleshoot data ingestion processes supporting the chatbot’s functionality Collaborate with solution architects, product teams, and the cloud team ...

Senior Systems Administrator

Hiring Organisation
Solos Consultants Ltd
Location
Cambridge, Cambridgeshire, East Anglia, United Kingdom
Employment Type
Contract
Contract Rate
From £25.15 to £37.78 per hour
Systems Administration & Infrastructure Administer and maintain enterprise IT systems and third-party devices, following best-practice lifecycle management Perform advanced system monitoring to ensure availability, performance, and integrity Embed operational best practice across systems, processes, and teams Maintain IT asset data with automated monitoring and reporting Security & Compliance Enforce … firewalls, VPNs, and core networking services Apply strong knowledge of DNS, DHCP, TCP/IP, switches, and routers Monitor and optimise system performance for high availability 3rd Line Support & Escalation Act as escalation point for complex 2nd/3rd line incidents Provide expert support for business-critical systems ...

Network and Firewall Specialist

Hiring Organisation
Circle Recruitment
Location
Berkshire, England, United Kingdom
Employment Type
Contractor
Contract Rate
£40 - £45 per day
configuring/policy configuration/troubleshooting Juniper firewalls, switches and routers Knowledge of some of the following: WAN/LAN design, device clustering, high availability Junos Space, Security Director, Apstra Security Platforms: FortiGate, F5 BIG-IP (load balancing/AWAF), Pulse Secure/Ivanti, high grade encryption … said issues. Creation of LLD's for projects if required. Maintaining up-to-date knowledge on network technologies. Working to assist with capacity & availability management of various networks. Problem Solving: investigate and resolve problems for services within their own area of responsibility. Provisioning network services and devices where appropriate. ...

Network and Firewall Specialist

Hiring Organisation
Circle Group
Location
Tadley, Hampshire, South East, United Kingdom
Employment Type
Contract
Contract Rate
£40 - £44.99 per day
configuring/policy configuration/troubleshooting Juniper firewalls, switches and routers Knowledge of some of the following: WAN/LAN design, device clustering, high availability Junos Space, Security Director, Apstra Security Platforms: FortiGate, F5 BIG-IP (load balancing/AWAF), Pulse Secure/Ivanti, high grade encryption … said issues. Creation of LLD's for projects if required. Maintaining up-to-date knowledge on network technologies. Working to assist with capacity & availability management of various networks. Problem Solving: investigate and resolve problems for services within their own area of responsibility. Provisioning network services and devices where appropriate. ...

Tech lead - AWS Connect AI - Luton, UK

Hiring Organisation
Infoplus Technologies UK Ltd
Location
Luton, Bedfordshire, South East, United Kingdom
Employment Type
Contract
including operations, data science, and Product, to define requirements and deliver robust solutions. Monitor, troubleshoot, and enhance existing automation and AI systems to ensure high availability and performance. Stay abreast of new AWS features and emerging technologies in automation and AI, applying best practices to drive continuous improvement. ...

Senior Network Engineer

Hiring Organisation
Certes IT Service Solutions
Location
Milton Keynes, Buckinghamshire, South East, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
£500 - £540 per day + Negotiable
Network Engineer is required for our Government client to be responsible for designing, implementing, securing and maintaining enterprise network infrastructure with a focus on high availability, performance and resilience. This role provides advanced technical leadership across routing, switching, firewall administration and network security operations. You will also serve ...

SharePoint Architect / Consultant (SC Cleared) - Remote - Contract

Hiring Organisation
Set2Recruit
Location
Newbury, Berkshire, South East, United Kingdom
Employment Type
Contract, Work From Home
implement the SharePoint farm topology and supporting services Architect and configure the Project Server environment and PWA configuration Design the SQL Server architecture including high availability and disaster recovery considerations Support infrastructure discussions including virtualised environments and Azure SQL integrations Lead or support the installation, configuration and validation ...

SAP Support Engineer

Hiring Organisation
ARM
Location
Basildon, Essex, Pitsea, United Kingdom
Employment Type
Contract
Contract Rate
£50 - £55/hour
/Windows) System Monitoring & Incident Management Transport Management & Kernel Upgrades User & Role Administration Nice-to-Have/Future Skills: Automation & Scripting (Shell, Python, PowerShell) High Availability & Disaster Recovery SAP on Cloud (Azure) & S/4HANA Migration Performance Tuning & Solution Manager (SolMan) Security Audits & Compliance If this sounds ...

Network Engineer

Hiring Organisation
Rise Technical Recruitment
Location
Milton Keynes, Buckinghamshire, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £550/day
client is looking for an experienced Network Engineer to be responsible for designing, implementing, securing, and maintaining enterprise network infrastructure with a focus on high availability, performance, and resilience. You will provide advanced technical leadership across routing, switching, firewall administration, and network security operations. ...