1 to 25 of 30 Remote/Hybrid Contract High Availability Jobs

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 ...

OpenShift Architect

Hiring Organisation
Stackstudio Digital Ltd
Location
London, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
From £500 to £550 per day
networking, and storage solutions. Define and implement best practices for OpenShift cluster setup, including multi-zone and multi-region deployments. Ensure the architecture supports high availability, fault tolerance, and disaster recovery. 2. Migration Design and Optimization Assess existing infrastructure, applications, and workloads to determine migration readiness. Develop detailed … Leverage VMware tools (e.g., vSphere, vCenter, NSX) to optimize OpenShift deployments. Configure and manage Pure Storage solutions (e.g., Flash Array, Flash Blade) to provide high-performance, scalable storage for OpenShift workloads. Ensure compatibility and performance optimization between OpenShift, VMware, and Pure Storage. 4. CI/CD Pipelines and DevOps ...

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 ...

PSA Engineer Distribution ADMS

Hiring Organisation
Stackstudio Digital Ltd
Location
Edinburgh, Midlothian, Scotland, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
From £500 to £550 per day
setup and configuration of ADMS replication groups to ensure data consistency and system synchronisation across multiple environments. Implement best practices for replication, ensuring high availability, data integrity, and disaster recovery capabilities. Monitor replication performance and troubleshoot issues related to data replication across systems. Understand customer application modelling needs … operational efficiency. Work closely with stakeholders to ensure ADMS solutions are aligned with organizational goals and requirements. Continuously evaluate and enhance ADMS capabilities, ensuring high availability and performance. Lead the deployment of new ADMS systems and upgrades to enhance system functionality and performance. Oversee the planning, execution ...

PSA Engineer Distribution ADMS

Hiring Organisation
Stackstudio Digital Ltd
Location
Glasgow, Lanarkshire, Scotland, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
From £500 to £550 per day
setup and configuration of ADMS replication groups to ensure data consistency and system synchronisation across multiple environments. Implement best practices for replication, ensuring high availability, data integrity, and disaster recovery capabilities. Monitor replication performance and troubleshoot issues related to data replication across systems. Understand customer application modelling needs … operational efficiency. Work closely with stakeholders to ensure ADMS solutions are aligned with organizational goals and requirements. Continuously evaluate and enhance ADMS capabilities, ensuring high availability and performance. Lead the deployment of new ADMS systems and upgrades to enhance system functionality and performance. Oversee the planning, execution ...

PSA Engineer Distribution ADMS

Hiring Organisation
Stackstudio Digital Ltd
Location
Falkirk, Stirlingshire, Scotland, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
From £500 to £550 per day
setup and configuration of ADMS replication groups to ensure data consistency and system synchronisation across multiple environments. Implement best practices for replication, ensuring high availability, data integrity, and disaster recovery capabilities. Monitor replication performance and troubleshoot issues related to data replication across systems. Understand customer application modelling needs … operational efficiency. Work closely with stakeholders to ensure ADMS solutions are aligned with organizational goals and requirements. Continuously evaluate and enhance ADMS capabilities, ensuring high availability and performance. Lead the deployment of new ADMS systems and upgrades to enhance system functionality and performance. Oversee the planning, execution ...

PSA Engineer Distribution ADMS

Hiring Organisation
Stackstudio Digital Ltd
Location
Livingston, West Lothian, Scotland, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
From £500 to £550 per day
setup and configuration of ADMS replication groups to ensure data consistency and system synchronisation across multiple environments. Implement best practices for replication, ensuring high availability, data integrity, and disaster recovery capabilities. Monitor replication performance and troubleshoot issues related to data replication across systems. Understand customer application modelling needs … operational efficiency. Work closely with stakeholders to ensure ADMS solutions are aligned with organizational goals and requirements. Continuously evaluate and enhance ADMS capabilities, ensuring high availability and performance. Lead the deployment of new ADMS systems and upgrades to enhance system functionality and performance. Oversee the planning, execution ...

Mainframe DB2 System System Admin

Hiring Organisation
Stackstudio Digital Ltd
Location
United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
From £400 to £450 per day
Special Working Conditions: Attend vendor connects. Weekend overtime, normal overtime, on call duty as per the client requirement. 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 … monitoring. Security: Implement and manage DB2 security using RACF, ACF2, or Top Secret. Key Skills/Knowledge/Experience: 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 ...

Senior Security Administrator - Palo Alto

Hiring Organisation
Experis
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£200 - £400 per day
controls, ensuring secure and resilient network operations across enterprise environments. This role is hands-on, need to be comfortable working in complex, regulated, or high-availability environments, partnering with infrastructure, networking, and SOC teams to deliver robust security outcomes. Key Responsibilities: Palo Alto Administer, configure, and support Palo ...

Principal Developer / Architect

Hiring Organisation
IntaPeople
Location
Remote, Sutton South, Greater London, United Kingdom
Employment Type
Contract
Contract Rate
£550 - £620/day
understanding of CI/CD, IaC (Terraform/CloudFormation), containers (Docker/Kubernetes), and modern DevOps practices. Experience with observability, security‑by‑design, and highavailability systems. Excellent communication and stakeholder‑management skills. This role directly influences the long‑term architecture, resilience, and scalability of a major financial ...

Data Platform Engineer

Hiring Organisation
McCabe & Barton
Location
City of London, London, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
Up to £750 per day
Databricks, and related Azure services. Build ETL/ELT processes to transform raw data into structured, analytics-ready formats. Optimise pipeline performance and ensure high availability of data services. Infrastructure & Architecture Architect and deploy scalable data lake solutions using Azure Data Lake Storage. Implement governance and security measures ...

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 ...

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 SAN Storage SME

Hiring Organisation
eTeam Inc
Location
Sheffield, South Yorkshire, England, United Kingdom
Employment Type
Contractor
Contract Rate
£400 - £450 per day
compliance requirements across multi-cloud, hybrid, or on-prem environments. Additionally, the SME will bring deep expertise in Pure Storage technologies to enable high-performance, reliable storage integration with containerized workloads. Key Responsibilities: Define storage architecture strategy for OpenShift clusters and workloads, incorporating Pure Storage best practices. Advise … compute and networking layers. Ensure compatibility with containerized workloads and persistent storage requirements. Conduct performance assessments and recommend improvements for Pure Storage systems. Implement high availability, redundancy, and disaster recovery strategies leveraging Pure Storage capabilities. Ensure storage configurations align with the bankâs security and regulatory standards, including encryption ...

Network Engineer

Hiring Organisation
CBSbutler Holdings Limited trading as CBSbutler
Location
Wokingham, Berkshire, United Kingdom
Employment Type
Contract
Contract Rate
£420 - £440/day
including LAN, WAN, WLAN and VPNs to meet business and security requirements. Maintenance & Optimisation Monitor network performance, proactively identify issues, and troubleshoot to ensure high availability and optimal performance. Security Implement and maintain network security controls including firewalls, IDS/IPS, and access controls in line with security ...

Senior Software Engineer

Hiring Organisation
Randstad Digital
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£53.85 - £61.68 per hour
/innovation team experience with a 'zero-to-one' mindset , combined with corporate grit (processes, ticketing, documentation). Strong knowledge of distributed systems and high-availability APIs . Preferred Qualifications Experience in B2B or enterprise software environments . Ability to define product requirements and deliver ...

Senior Software Engineer

Hiring Organisation
Randstad Technologies
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£53.85 - £61.68 per hour
/innovation team experience with a "zero-to-one" mindset , combined with corporate grit (processes, ticketing, documentation). Strong knowledge of distributed systems and high-availability APIs . Preferred Qualifications Experience in B2B or enterprise software environments . Ability to define product requirements and deliver ...

Data Engineer

Hiring Organisation
DCV Technologies Limited
Location
London, United Kingdom
Employment Type
Contract, Work From Home
This is a contract role, ideal for specialists in secure API integration and legacy-to-digital transformation. The Role Youll design, build and support high-performance integration solutions using IBM DataPower Gateway, exposing core mainframe services as modern APIs. Working across hybrid environments, youll bridge z/OS applications … Integrate with backend platforms including MQ, Kafka and relational databases Support CI/CD automation using SOMA/REST APIs, Jenkins or Ansible Ensure high availability, performance tuning and regulatory compliance (e.g. PCI, GDPR) Required Skills Strong hands-on experience with IBM DataPower Gateway Proven mainframe integration experience ...

Storage Virtualisation Engineer

Hiring Organisation
CBSbutler Holdings Limited trading as CBSbutler
Location
Sheffield, South Yorkshire, United Kingdom
Employment Type
Contract
Contract Rate
£475 - £500/day
environments Key Responsibilities: * Design, deploy, and manage virtualization solutions, including virtual machines and hypervisors. * Monitor and optimize the performance of virtualized environments to ensure high availability and efficiency. * Implement and maintain virtualization technologies (e.g., VMware, Hyper-V, KVM, Nutanix, OpenShift). * Build/Rebuild new VMware ESX cluster ...

GIS Architect

Hiring Organisation
Stackstudio Digital Ltd
Location
Wokingham, Berkshire, South East, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
From £500 to £550 per day
with internal and external systems (e.g., energy models, environmental databases) 2. Infrastructure Provisioning Design and provision Azure-based environments (Sandbox, Dev, UAT, Production) Ensure high availability, scalability, and security of cloud infrastructure Integrate with peripheral systems to support end-to-end workflows 3. Data Migration & Legacy System Integration ...

Mainframe Modernization - IBM DataPower Engineer

Hiring Organisation
DCV Technologies
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£575 - £625/day - Inside IR35
services are urgently looking for an IBM DataPower Engineer with mainframe Modernization experience. The successful candidate will be responsible for designing and implementing secure, high-performance integration solutions using IBM DataPower Gateway to expose mainframe services (CICS, IMS, DB2, MQ) as modern APIs (REST/JSON, SOAP). Enable … Bridge. Perform XSLT/GatewayScript transformations and schema validations. Automate deployments via SOMA/REST APIs, CI/CD tools (Jenkins, Ansible). Ensure high availability, performance tuning, and compliance (PCI DSS, GDPR). Essential skills/knowledge/experience: Strong experience in IBM DataPower Gateway configuration ...

Mainframe Modernization - IBM DataPower Engineer

Hiring Organisation
DCV Technologies Limited
Location
City of London, London, United Kingdom
Employment Type
Contract
months contract position Role description: As a IBM DataPower engineer with mainframe Modernization experience , you will be responsible for designing and implementing secure, high-performance integration solutions using IBM DataPower Gateway to expose mainframe services (CICS, IMS, DB2, MQ) as modern APIs (REST/JSON, SOAP). Enable legacy … Bridge. Perform XSLT/GatewayScript transformations and schema validations. Automate deployments via SOMA/REST APIs, CI/CD tools (Jenkins, Ansible). Ensure high availability, performance tuning, and compliance (PCI DSS, GDPR). Your Profile Essential skills/knowledge/experience: (Up to 10, Avoid repetition) Strong ...

M365 Backup Design Architect

Hiring Organisation
CBSbutler Holdings Limited trading as CBSbutler
Location
Sheffield, South Yorkshire, United Kingdom
Employment Type
Contract
Contract Rate
£558/day inside ir35
implementation across HSBC's enterprise tenant. Key Responsibilities: Define end-to-end backup architecture for Microsoft 365 workloads (Exchange, SharePoint, OneDrive, Teams). Design high-availability and recovery strategies. Ensure compliance with HSBC security and regulatory standards. Capacity planning for 350k users and petabyte-scale data. Integrate Rubrik ...

SQL Database Administrator

Hiring Organisation
VIQU IT Recruitment
Location
City of London, London, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
£450 - 550 per day
Microsoft SQL Server administration (multiple versions) Performance tuning, indexing, query optimisation and troubleshooting Database version upgrades and consolidation projects Backup, recovery and high availability strategies Working within complex or legacy environments Ownership of database strategy and continuous improvement Key responsibilities of the SQL DBA: Full ownership and management ...

SQL Database Administrator

Hiring Organisation
VIQU IT Recruitment
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£450 - £550 per day
Microsoft SQL Server administration (multiple versions) Performance tuning, indexing, query optimisation and troubleshooting Database version upgrades and consolidation projects Backup, recovery and high availability strategies Working within complex or legacy environments Ownership of database strategy and continuous improvement Key responsibilities of the SQL DBA: Full ownership and management ...