1 to 25 of 27 Contract High Availability Jobs in England

Network & Security Consultant

Hiring Organisation
STK Recruitment
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£450 per day - Outside IR35 / Ltd Company
with particular emphasis on Cisco Secure Firewall and advanced BGP. Key Responsibilities Design and deployment of a new Cisco Secure Firewall Management Center (FMC) High Availability pair Deployment and configuration of HA pair Cisco Secure Firewalls Migration of existing legacy firewall configurations to the new environment Review … Strong hands-on experience with Cisco Secure Firewall/FTD Strong experience with Cisco Firewall Management Center (FMC) Experience deploying FMC and firewalls in High Availability configurations Proven experience with firewall migrations and configuration optimisation Advanced BGP knowledge, including configuration and troubleshooting Strong understanding of routing protocols ...

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 ...

Azure Architect

Hiring Organisation
VIQU IT Recruitment
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£500 - 600 per day + inside IR35
systems, CRM platforms, or third-party services. Platform Architecture · Design Azure-based hosting platforms. · Design Kubernetes and AKS solutions. · Define hybrid-hosting architectures. · Develop high-availability and resilience strategies. Integration Architecture · Design integration with identity platforms. · Design application connectivity and networking. · Support database integration and hosting. · Define security … Technical Leadership · Lead architecture workshops. · Collaborate with software development teams. · Work directly with Pixel and other suppliers. · Support technology decision-making. Documentation & Standards · Develop high-level and low-level designs. · Produce architecture and deployment documentation. · Maintain platform standards and reference architectures. Essential Technical Skills · Microsoft Azure · Azure Networking · Kubernetes ...

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 ...

Database Administrator (AWS AURORA / POSTGRESQL)

Hiring Organisation
NSD
Location
South Croydon, London, United Kingdom
Employment Type
Contract
Contract Rate
Up to £525 per day
leading technology organisation delivering critical digital services into the UK Public Sector. They are seeking an experienced Senior Database Administrator (DBA) to join a high-profile programme supporting the design, operation and optimisation of enterprise database platforms hosted within AWS. This is an excellent opportunity to join a highly … architecture, design and implementation of enterprise AWS database solutions Design and maintain database schemas, indexing strategies and data models Deliver resilient database platforms with high availability and disaster recovery capabilities Develop and test backup, recovery, failover and business continuity processes Participate in architecture reviews, governance boards and technical ...

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 ...

Kong API Gateway Specialist

Hiring Organisation
EUROPEAN SOFTWARE SOLUTIONS (UK) LIMITED
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£450 per day
policies for traffic management, throttling, rate limiting, routing, and load balancing. Manage Kong plugins and integrations to support security, authentication, and monitoring requirements. Ensure high availability, performance, scalability, and operational resilience of the API platform. Security & Compliance Define and enforce API security standards and controls. Implement authentication ...

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). ...

Senior Sybase DBA - London (On-Site) - Inside IR35

Hiring Organisation
iBSC
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP Annual
join a business-critical technology environment in London. This is an excellent opportunity for a senior database specialist with strong hands-on experience supporting high-availability Sybase environments , ideally within banking or financial services. Key Skills & Experience 10+ years' experience as a Sybase DBA Expert hands-on experience ...

linux Engineer

Hiring Organisation
Randstad Technologies Recruitment
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£300 - £350/day
Testing: Run hands-on testing in lab environments to validate and certify new hardware and software releases before deployment. Unix & Linux Delivery: Maintain high availability across RHEL, Ubuntu, and legacy Unix platforms while driving modern infrastructure-as-code practices. Solution Design: Partner with internal technical teams to turn ...

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 ...

Storage and Backup Engineer (SC Cleared)

Hiring Organisation
Hays Technology
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £622/day Up to £622 per day INSIDE
Contract Length: 4 Months Clearance: Active SC Clearance Required Your New Role Hays are recruiting for an experienced Storage & Backup Engineer to join a high-profile Ministry of Justice programme. This is a fully remote contract opportunity supporting critical national infrastructure within a secure and highly regulated environment. … Doing Administering enterprise SAN and NAS storage environments. Performing storage provisioning, allocation and capacity management activities. Monitoring and optimising storage performance and availability Managing storage replication, backup and disaster recovery solutions. Supporting firmware upgrades, maintenance activities and infrastructure changes. Investigating and resolving complex storage-related incidents and problems. Working ...

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 ...

Cisco Enterprise Wireless Network Engineer

Hiring Organisation
MECS Communications Ltd
Location
East London, London, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
Up to £500 per day + Negotiable dependant on experience
secure enterprise Cisco wireless infrastructure. Provide professional engineering services supporting the deployment, configuration, optimisation and operational support of enterprise wireless infrastructure, ensuring secure authentication, high availability and excellent user experience across corporate and guest wireless environments. Technology Stack * Cisco Catalyst 9800 Wireless LAN Controllers * Cisco 5520 & 5508 Wireless … Ensure delivery against operational, security and quality standards Deliverables * Successful deployment of enterprise wireless infrastructure * Secure authentication across corporate and guest wireless networks * Stable, high-performance wireless services * Successful Cisco ISE integration * Accurate engineering documentation and operational handover * Effective troubleshooting and resolution of wireless issues * Delivery against project milestones ...

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 ...

Market Data and Trade Systems Analyst

Hiring Organisation
Pontoon
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£539/day
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 ...

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 ...

AWS DevOps Engineer

Hiring Organisation
Opus Recruitment Solutions
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£600/day
monitoring, logging and observability solutions to improve platform visibility. Automate operational and deployment processes using Python and Bash scripting. Ensure platform reliability, scalability and high availability. Maintain security, compliance and governance standards across cloud environments. Support DevSecOps and Platform Engineering initiatives. Collaborate with technical teams, providing guidance and best … Initial 6-month contract with strong extension potential. Hybrid working model with 1 day per week onsite in London. Opportunity to work on a high-profile government transformation programme. ...

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 ...