21 of 21 Contract High Availability Jobs in the UK excluding London

OT Technical Support Manager

Hiring Organisation
Hays
Location
Perth, Perthshire, Scotland, United Kingdom
Employment Type
Contract
assignment within the utilities sector. Your new role As the OT Technical Support Manager, you will lead the operational support, maintenance and resilience of high-availability Operational Technology systems. You will oversee service delivery and incident response while ensuring that patching, vulnerability remediation and planned maintenance activities … role will also involve workforce planning, capability development and leadership of a technical support team. Key responsibilities Lead the operational support and maintenance of high-availability OT systems. Manage incident response, fault diagnosis, system recovery and operational resilience. Oversee service delivery across the supported OT environment. Coordinate ...

OT Technical Support Manager

Hiring Organisation
Experis
Location
Perth, Perthshire, Scotland, United Kingdom
Employment Type
Contract
operational support, maintenance, and resilience of critical Operational Technology (OT) systems within a Utilities environment. This is a leadership role focused on ensuring the availability, performance, security, and continuous improvement of high-availability OT platforms. The successful candidate will be responsible for incident management, fault recovery, service … maintenance of critical OT platforms and services. Manage incident response activities, fault diagnosis, service restoration, and root cause analysis. Ensure operational resilience across high-availability environments, supporting business continuity and recovery activities. Oversee OT patching, maintenance schedules, and vulnerability remediation programmes. Drive service delivery excellence and continuous improvement ...

Exchange Engineer

Hiring Organisation
Teksystems
Location
Sheffield, South Yorkshire, Yorkshire, United Kingdom
Employment Type
Contract
from diverse stakeholders, including business functions, senior executives, legal and compliance teams, and cybersecurity. Engineer and maintain Exchange on-premise and hybrid environments, ensuring high availability, disaster recovery, security management, and effective patching across large deployments. Contribute to mailbox migration programmes from on-premise and hybrid environments … mailboxes to Microsoft 365 Exchange Online in complex enterprise environments. Solid working and engineering knowledge of Microsoft Exchange Server SE, including automation, advanced troubleshooting, high availability and disaster recovery design, security management, and patching for large-scale deployments. Strong understanding of Outlook clients, including M365 Apps for Enterprise ...

Senior Infrastructure Engineer Citrix SME

Hiring Organisation
Solos Consultants Ltd
Location
Milton Keynes, Buckinghamshire, South East, United Kingdom
Employment Type
Contract
Responsibilities will include: Supporting and maintaining enterprise Citrix Virtual Apps & Desktops environments Designing, building, upgrading and optimising Citrix infrastructure Performance tuning and troubleshooting within high-availability environments Supporting BAU operations alongside infrastructure project delivery Integrating Citrix with Active Directory and secure access solutions Driving automation and continuous improvement … Apps & Desktops Enterprise Citrix administration, deployment and support Infrastructure design, upgrades and migrations Performance optimisation and complex troubleshooting Active Directory integration Secure access technologies High-availability infrastructure Infrastructure automation Working within ITIL or service-managed environments Experience working within secure or Government environments would be highly advantageous. Certifications ...

Solution Architect / Design Engineer

Hiring Organisation
Vallum Associates
Location
South Yorkshire, Sheffield, United Kingdom
Employment Type
Contract
Contract Rate
£550 - £600/day
technical authority across multiple workstreams, ensuring architectural consistency, integration and alignment with the enterprise target state. In this role, you will: Produce High Level Designs (HLDs) and Low Level Designs (LLDs) for identity capabilities. Define end-to-end solution architecture across business, application, data and infrastructure domains. Translate business … Policy Enforcement Point (PEP) architectures using Policy-as-Code. Define secrets management, certificate lifecycle and PKI integration patterns. Design resilience, disaster recovery and high availability architectures. Ensure solutions meet non-functional requirements for security, scalability, resilience and performance. Produce architecture decision records (ADRs) and design documentation. Support governance ...

SAP S/4HANA Consultant (SC Cleared)

Hiring Organisation
Matchtech
Location
Bristol, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £550/day
clients, transports, RFC connections, and logical systems. Support SAP S/4HANA release upgrades, FPS implementations, and Support Package management. Participate in performance testing, high availability (HA), and disaster recovery (DR) exercises. Administer SAP HANA databases, ensuring optimal performance, resilience, and stability. Implement backup, recovery, monitoring, and housekeeping … capacity planning DEV, QAS, PRE-PROD and PROD environment management Client strategy and refresh processes Backup and recovery planning SAP logging and monitoring High Availability and Disaster Recovery concepts Requirements Active SC Clearance is mandatory. Ability to work onsite in Bristol 3 days per week. Strong stakeholder engagement ...

Senior Infrastructure Engineer DV

Hiring Organisation
Talent Locker
Location
Somerset, United Kingdom
Employment Type
Contract
Contract Rate
GBP 550 - 600 Daily
design, build and deliver secure digital solutions supporting critical operations. Your responsibilities will include: Configuring and hardening Cisco Nexus Leaf/Spine architectures for high-throughput, low-latency traffic. Initialising and presenting NetApp storage arrays, ensuring data-at-rest encryption is enforced. Building and hardening Hyper-V clusters supporting … enablement and integration of VMware Cloud Foundation (VCF) private cloud environments. Initialising and managing HSM/KMS appliances, including leading key ceremonies within high-assurance environments. Carrying out professional rack-and-stack and secure cabling in accordance with high physical-security standards. What We're Looking ...

SQL DBA

Hiring Organisation
Sanderson Recruitment
Location
Peterborough, Cambridgeshire, East Anglia, United Kingdom
Employment Type
Contract
Contract Rate
£400 - £450 per day
security and continuous improvement. SQL DBA, key responsibilities: Manage and optimise Microsoft SQL Server environments across on-premises and Azure platforms Ensure database performance, availability, security and reliability Lead backup, recovery, disaster recovery and high-availability initiatives Troubleshoot complex database and application performance issues, conducting root cause … skills: Strong experience administering Microsoft SQL Server in enterprise environments Expertise in performance tuning, query optimisation, T-SQL, backup/recovery and Always On Availability Groups Experience supporting SQL Server workloads in Microsoft Azure Understanding of database security, governance and compliance best practices Experience with scripting and automation using ...

Senior Platform Engineer (DevOps)

Hiring Organisation
Response Informatics
Location
Glasgow, Lanarkshire, Scotland, United Kingdom
Employment Type
Contract
experience - provisioning, deploying, and operating workloads on Virtual Server Instances alongside container orchestration platforms Load balancing - L4/L7 load balancers, traffic distribution, and high-availability patterns Serverless technologies (e.g., AWS Lambda) and event-driven architectures Networking and scaling - DNS, routing, auto-scaling, horizontal/vertical scaling ...

Microsoft SQL Server Database Administrator

Hiring Organisation
SUMMER-BROWNING ASSOCIATES LIMITED
Location
Glasgow, Lanarkshire, Scotland, United Kingdom
Employment Type
Contract
Contract Rate
Up to £0.00 per day + Competitive Inside IR35 Day Rate
development and troubleshooting. Experience in the development and maintenance of PowerShell scripts for purposes of automation and administration. Comprehensive understanding of SQL Server High Availability (HA) and Disaster Recovery (DR) solutions. Practical experience with SQL Server Always-On Availability Groups and clustered environments. Proficiency in implementing ...

Infrastructure Test Lead

Hiring Organisation
TechNest Talent
Location
Worthing, West Sussex, South East, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
£88,704
/WAN/Firewalls/VPN) Storage, backup, and recovery systems Cloud infrastructure (Azure/AWS/GCP) Patching, configuration, and hardening validation High availability and failover testing Monitoring, logging, and alert systems (Splunk, Dynatrace, etc.) Validate operational aspects: Maintainability Scalability Supportability Logging & monitoring Runbook readiness Access & security ...

Senior Infrastructure Integration Engineer

Hiring Organisation
Networking People (UK) Limited
Location
Glasgow, Lanarkshire, Scotland, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £550 per day + Inside of IR35
supports a broad range of infrastructure technologies, including hardware platforms, hypervisors, Linux operating systems, system configuration tooling, critical infrastructure services, automation platforms, load balancing, high availability solutions, and virtualization management technologies. The team plays a key role in enabling DevOps practices by delivering real time APIs and automation ...

Database Engineer / SQL Server Developer

Hiring Organisation
FBI &TMT
Location
Lancashire, North West, United Kingdom
Employment Type
Contract
Designing, developing, implementing, and testing database server solutions using Microsoft SQL Server or similar technologies, integrated within PLC/SCADA-based control systems. Producing high-quality engineering design documentation, including Requirements Capture and Traceability Documentation (URS/RTM), System/Functional Design Specifications (SDD/FDS), and Detailed Software … procedures. Collaborating with PLC and SCADA engineers to create and test fully integrated control systems. Identifying and resolving server and database issues to ensure high availability and minimal downtime. Conducting in-house acceptance testing in a formal, controlled manner and potentially supporting site acceptance testing (commissioning). ...

Product Manager

Hiring Organisation
Randstad Digital
Location
Manchester, North West, United Kingdom
Employment Type
Contract
Contract Rate
£70 - £75 per hour
Product Manager to own and scale our core API platforms, backend microservices, and data tools. You will lead cross-functional engineering teams to build high-performance systems, improve developer experience, and integrate AI/data solutions across our global platform. Key Responsibilities Platform & API Strategy: Own the roadmap … backlog for core APIs and microservices, ensuring high availability, speed, and scalability. Technical & AI Execution: Work with engineers and data teams to design data models, APIs (REST/OpenAPI), recommendation engines, and AI workflows. Data Governance: Build clear data policies and frameworks across multi-market products. Agile Delivery ...

Senior Architect Private Cloud

Hiring Organisation
Randstad Technologies Recruitment
Location
Sheffield, South Yorkshire, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £550/day Inside IR35 via Umbrella
platform capabilities. Security & Operational Resilience: Implement Security-by-Design principles, policy-as-code, vulnerability management, and robust RBAC. Ensure production readiness across multi-region, high-availability environments. Stakeholder Engagement: Collaborate across Product, Cyber Security, SRE, and CTO domains to influence technical decision-making and mentor engineering teams. … following: Kubernetes/Containers , Kafka/Event Streaming , or VMware/Virtualization . Distributed Systems: Proven background in designing secure, fault-tolerant, high-performance distributed systems within regulated enterprise environments. DevOps & IaC: Practical experience with Infrastructure as Code (IaC), CI/CD pipelines, GitOps workflows, and configuration management. Desirable ...

Hybrid Cloud & Integration Solution Architect

Hiring Organisation
Hays
Location
Warwick, Warwickshire, West Midlands, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
Up to £615.0 per day + Inside IR35
Experience working within architecture review boards and governance frameworks. Ability to ensure solutions align with enterprise standards, security requirements, and strategic objectives. Highly Desirable High Availability (HA) and Disaster Recovery (DR) solution design. Agile delivery methodologies. DevOps practices and CI/CD pipelines. Large-scale digital transformation programmes. ...

Software engineering specialist - Manchester

Hiring Organisation
Randstad Digital
Location
Manchester, North West, United Kingdom
Employment Type
Contract
Contract Rate
£60 - £70 per hour
Hiring: Senior Software Engineer (Java/AWS) We are looking for a product-minded engineer to build scalable, high-volume transactional systems. If you love solving complex backend challenges and care about the user experience, we want to hear from you. The Tech Stack: Java & Spring Boot AWS (Cloud … native microservices) What You'll Do: Design, build, and optimize high-throughput backend services. Partner closely with Product Managers to shape features from concept to launch. Ensure high availability, performance, and scalability across our platform. What We're Looking For: Strong expertise in Java and Spring Boot ...

Network Security Architect

Hiring Organisation
CBSbutler Holdings Limited trading as CBSbutler
Location
Newbury, Berkshire, United Kingdom
Employment Type
Contract
Contract Rate
£550 - £650/day
hands-on position requiring strong expertise across routing & switching, network security, data centre networking and SD-WAN , alongside the ability to produce high-quality technical designs and lead delivery. Key Responsibilities Lead the design and implementation of complex network and security solutions. Produce HLDs, LLDs, implementation plans and operational … IPsec, SSL VPN and SD-WAN security . F5 BIG-IP , L4/L7 load balancing, SSL offloading and GSLB. Data centre networking and high-availability architectures. Network automation using Python, Ansible or network APIs is desirable. If this Network Security Architect role is of interest apply ...

Network Engineer

Hiring Organisation
Frontier Resourcing Ltd
Location
Harlow, London, United Kingdom
Employment Type
Contract
Contract Rate
Day Rate
platforms. Implement and support 802.1X, MAB, RADIUS, EAP-TLS/PEAP authentication and policy enforcement. Troubleshoot complex authentication, connectivity and wireless performance issues. Support high-availability deployments, upgrades, patching and lifecycle management. Produce technical documentation and work closely with internal stakeholders and Cisco TAC. Required Experience Strong enterprise ...

Network Engineer

Hiring Organisation
Gazelle Global Consulting Ltd
Location
Coventry, West Midlands, United Kingdom
Employment Type
Contract
network segmentation Experience supporting network transformation and infrastructure upgrades Understanding of Zero Trust and secure IT/OT connectivity Network monitoring, troubleshooting and high-availability solutions Network documentation, standards and technical governance Competitive Day Rate available. For more information or to apply directly, please email . I review ...

OT Technical Support Manager

Hiring Organisation
Hays
Location
Perth, Perth & Kinross, United Kingdom
Employment Type
Contract
Contract Rate
GBP Annual
assignment within the utilities sector. Your new role As the OT Technical Support Manager, you will lead the operational support, maintenance and resilience of high-availability Operational Technology systems click apply for full job details ...