1 to 25 of 376 High Availability Jobs

Senior Systems Engineer

Hiring Organisation
Rise Technical Recruitment
Location
Basingstoke, Hampshire, United Kingdom
Employment Type
Permanent
Salary
£75000 - £85000/annum Bonus, Healthcare
Pension | Healthcare| 10% Bonus | On-call supplement £450p/m Are you a Senior Systems Engineer with strong experience across Linux, Java, SQL and high-availability infrastructure? This is an opportunity to join a specialist technology and engineering business working on a large-scale communications network supporting Critical … reviews, change requests, releases and continual service improvement. Act as a technical SME, maintaining detailed defect records, knowledge documentation and supporting the delivery of high-availability, fault-tolerant systems operating in a 24/7 environment. The Person SC Clearance: Active SC Clearance or eligibility to obtain ...

SQL Server Architect

Hiring Organisation
CBSbutler Holdings Limited trading as CBSbutler
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£600 - £620/day
Server Architect - Cloud Resilience & High Availability (AWS Focus) London/Hybrid - 3 to 4 days per week onsite £620 per day inside ir35 6 months initial contract - Active SC or DV clearance We are seeking an experienced SQL Server Architect to support a major cloud transformation programme, migrating … premises infrastructure to AWS. The initial engagement will involve an eight-week Proof of Value (PoV), focused on designing, testing and validating SQL Server high availability (HA) and disaster recovery (DR) solutions within AWS. This will include assessing different resilience patterns, failover capabilities, performance and cloud-native services. ...

DV Cleared SQL Server Architect - Cloud Resilience & High Availability (AWS Focus)

Hiring Organisation
fortice
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP 627 Daily
CONTRACTOR MUST BE DV CLEARED (active) Role Title: SQL Server Architect - Cloud Resilience & High Availability (AWS Focus) Location: London, Hybrid - 3 to 4 days onsite x week Duration: 03/03/2027 - likely to be extended MUST BE PAYE THROUGH UMBRELLA Description: Our client previously delivered … large scale, on premises deployment of SharePoint for Hydrogen in 2017. This implementation was designed for high availability, incorporating full disaster recovery and resilience across the application, SQL Server, and storage layers. The client is now looking to transition to SharePoint Subscription Edition and re-platform the solution ...

DV Cleared SQL Server Architect - Cloud Resilience & High Availability (AWS Focus)

Hiring Organisation
fortice
Location
London, UK
Employment Type
Full-time
Description CONTRACTOR MUST BE DV CLEARED (active) Role Title: SQL Server Architect - Cloud Resilience & High Availability (AWS Focus) Location: London, Hybrid - 3 to 4 days onsite x week Duration: 03/03/2027 - likely to be extended MUST BE PAYE THROUGH UMBRELLA Description: Our client previously delivered … large scale, on premises deployment of SharePoint for Hydrogen in 2017. This implementation was designed for high availability, incorporating full disaster recovery and resilience across the application, SQL Server, and storage layers. The client is now looking to transition to SharePoint Subscription Edition and re-platform the solution ...

Critical Environment Technician

Hiring Organisation
Microsoft
Location
Noord-Holland, Netherlands
Employment Type
Permanent
Salary
EUR Annual
procedures to properly perform work in a safe, quality, and reliable within Microsoft requirements. Embody our culture and values Required profile Qualifications Required: High School Diploma, GED, or equivalent AND mission critical services work/applied learning experience (e.g., high availability assembly/manufacturing/critical infrastructure … Microsoft Cloud background check upon hire/transfer and every two years thereafter. While not required, we also look for the following Preferred Qualifications: High School Diploma, GED, or equivalent AND mission critical services experience (e.g., high-availability assembly/manufacturing/critical infrastructure environments such ...

CICS Mainframe Systems Programmer

Hiring Organisation
The Nippon Telegraph And Telephone Corporation (NTT)
Location
United Kingdom, UK
Employment Type
Full-time
place where you can grow, belong and thrive. Your day at NTT DATAhe CICS Mainframe Systems Programmer is responsible for ensuring the stability, availability, performance, and continuous improvement of CICS services within the IBM Mainframe environment. The role requires strong technical expertise, domain knowledge, and specialist skills to operate … solution design, deployment planning, configuration, testing, and ongoing operational support. The successful candidate will oversee the management and support of all CICS services, ensure high availability of business-critical applications, provide technical leadership during incident resolution, and collaborate with development and application support teams to deliver robust solutions. ...

z/OS Mainframe Systems Programmer

Hiring Organisation
The Nippon Telegraph And Telephone Corporation (NTT)
Location
United Kingdom, UK
Employment Type
Full-time
environments. Plan and execute operating system upgrades and software maintenance activities using SMP/E.Administer and support large-scale Parallel Sysplex environments to ensure high availability and performance. Perform system performance monitoring, capacity planning, and resource optimization. Analyse and resolve complex system-level issues involving z/… security, and operations teams to ensure platform stability. Implement software maintenance, fixes, service packs, and vendor-recommended updates. Support disaster recovery, business continuity, and high-availability initiatives. Maintain system security controls and ensure compliance with organizational standards. Create and maintain technical documentation, procedures, and operational runbooks. Participate ...

Engineering Manager

Hiring Organisation
Xero
Location
London, UK
Employment Type
Full-time
role & impactAs an Engineering Manager, you will drive the delivery of high-quality software by leading a high-performing inclusive team. You will act as the technical anchor, balancing predictable roadmap delivery with a relentless focus on team growth, technical excellence, and system health. Your work requires … business and customer goals. The team & how they connectYou will lead a results-driven team that operates with clear goals and ownership, fostering a high-trust environment where "blameless" problem-solving is the norm. The team works closely with Product and Design partners to shape solutions that truly matter ...

Senior SQL DBA - RFQ 509999

Hiring Organisation
ILOGIC SOFT LLC
Location
Little Rock, Arkansas, United States
Employment Type
Any
Salary
USD Annual
onsite opportunity. Only candidates currently local to the Little Rock area will be considered. Interviews are onsite only. Estimated duration: 8 months Regular shift Availability for 24-hour support is required. WHAT YOU WILL DO - Install, upgrade, patch and maintain SQL Server environments, including SQL Server 2022 or later. … indexes and ETL workloads. - Manage security, auditing, encryption, storage and capacity planning. - Maintain backups, point-in-time recovery, disaster recovery plans and high availability using Always On and Windows Failover Clustering. - Build and support Windows Servers and AWS EC2 environments; automate administration with PowerShell. - Support associated ASP.NET ...

Head of Networks - Data Center

Hiring Organisation
AirSearch
Location
London, United Kingdom
skilled network engineers, define the enterprise networking roadmap, and collaborate with cross-functional teams — including Security, Infrastructure, and IT Operations — to deliver a high-performance, high-availability network platform that underpins mission-critical business and customer operations. Key Responsibilities Strategic Leadership Define and execute the strategic vision … continuous threat detection . Oversee audit readiness and maintain comprehensive network documentation and asset inventories. People & Stakeholder Leadership Build, develop, and mentor a high-performing network engineering team , fostering a culture of excellence, accountability, and continuous learning. Set clear objectives, manage performance, and align team skills with evolving business ...

Head of Networks - Data Center

Hiring Organisation
AirSearch
Location
Cardiff, United Kingdom
skilled network engineers, define the enterprise networking roadmap, and collaborate with cross-functional teams — including Security, Infrastructure, and IT Operations — to deliver a high-performance, high-availability network platform that underpins mission-critical business and customer operations. Key Responsibilities Strategic Leadership Define and execute the strategic vision … continuous threat detection . Oversee audit readiness and maintain comprehensive network documentation and asset inventories. People & Stakeholder Leadership Build, develop, and mentor a high-performing network engineering team , fostering a culture of excellence, accountability, and continuous learning. Set clear objectives, manage performance, and align team skills with evolving business ...

Senior SQL DBA

Hiring Organisation
INFUSED SOLUTIONS LIMITED
Location
Birmingham, West Midlands, United Kingdom
Employment Type
Permanent
Salary
£65,000
Server environments hosted on AWS, including EC2 and/or RDS. Evaluate database sizing, storage, infrastructure performance and cost efficiency. Maintain backup, recovery, high availability and disaster recovery processes. Support SQL Server Always On Availability Groups and relevant AWS resilience configurations. Lead technical investigations during database performance … environments, ideally EC2 and/or RDS. Understanding of AWS infrastructure, storage and networking considerations affecting database performance. Experience with database backup and recovery, high availability and disaster recovery. Familiarity with Always On Availability Groups and/or AWS Multi-AZ configurations. Experience planning for database scalability ...

Oracle EBS EXA DBA

Hiring Organisation
Randstad Digital
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£400 - £450 per day + Inside IR35 via Umbrella
WebLogic, Oracle HTTP Server (OHS), Forms, Reports, Concurrent Managers, and Workflow. Oversee context file management, AutoConfig maintenance, and system integration points. 2. Database Administration & High Availability Configure, maintain, and tune high-availability Oracle Databases supporting EBS (including Oracle RAC). Execute database cloning, upgrades, patching ...

Oracle EBS EXA DBA

Location
United Kingdom
WebLogic, Oracle HTTP Server (OHS), Forms, Reports, Concurrent Managers, and Workflow. Oversee context file management, AutoConfig maintenance, and system integration points. 2. Database Administration & High Availability Configure, maintain, and tune high-availability Oracle Databases supporting EBS (including Oracle RAC). Execute database cloning, upgrades, patching ...

Oracle EBS EXA DBA

Hiring Organisation
Randstad Technologies
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£400.00 - £450.00 per day
WebLogic, Oracle HTTP Server (OHS), Forms, Reports, Concurrent Managers, and Workflow. Oversee context file management, AutoConfig maintenance, and system integration points. 2. Database Administration & High Availability Configure, maintain, and tune high-availability Oracle Databases supporting EBS (including Oracle RAC). Execute database cloning, upgrades, patching ...

Senior AWS DevOps Engineer

Hiring Organisation
Stott & May Professional Search Limited
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £600 per day
error budgets across critical services. Apply resilient design patterns, including multi-region failover, active-active architectures, circuit breakers and bulkheads. Ensure platforms support high availability, fault tolerance and disaster recovery in line with financial market uptime requirements. Investigate platform failures, performance bottlenecks and systemic issues across complex, multi … solving mindset and a focus on reliability and continuous improvement. Preferred Experience Financial services or other data-intensive, regulated industries. Multi-region AWS architecture, high availability and mission-critical applications. Chaos engineering practices and resilience testing. AIOps and intelligent automation frameworks. ...

SC/DV SQL Server Architect CGEMJP00362235

Hiring Organisation
Experis
Location
London, United Kingdom
Employment Type
Contract
Role Title: SQL Server Architect - Cloud Resilience & High Availability (AWS Focus) Duration: 03/03/2027 - likely to be extended depending on the vetting checks Location: London. Hybrid, 3- 4 days per week onsite Rate: up to £662.40 p/d Umbrella inside IR35 Clearance required: Active … purpose/summary Our client previously delivered a large scale, on premises deployment of SharePoint for Hydrogen in 2017. This implementation was designed for high availability, incorporating full disaster recovery and resilience across the application, SQL Server, and storage layers. The client is now looking to transition ...

SC/DV SQL Server Architect CGEMJP

Hiring Organisation
Experis IT
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP Daily
Role Title: SQL Server Architect - Cloud Resilience & High Availability (AWS Focus) Duration: 03/03/2027 - likely to be extended depending on the vetting checks Location: London. Hybrid, 3- 4 days per week onsite Rate: up to £662.40 p/d Umbrella inside IR35 Clearance required: Active … purpose/summary Our client previously delivered a large scale, on premises deployment of SharePoint for Hydrogen in 2017. This implementation was designed for high availability, incorporating full disaster recovery and resilience across the application, SQL Server, and storage layers. The client is now looking to transition ...

SC/DV SQL Server Architect CGEMJP

Hiring Organisation
Experis IT
Location
London, UK
Employment Type
Full-time
Description Role Title: SQL Server Architect - Cloud Resilience & High Availability (AWS Focus) Duration: 03/03/2027 - likely to be extended depending on the vetting checks Location: London. Hybrid, 3- 4 days per week onsite Rate: up to £662.40 p/d Umbrella inside IR35 Clearance required … purpose/summary Our client previously delivered a large scale, on premises deployment of SharePoint for Hydrogen in 2017. This implementation was designed for high availability, incorporating full disaster recovery and resilience across the application, SQL Server, and storage layers. The client is now looking to transition ...

SC/DV SQL Server Architect CGEMJP00362235

Location
United Kingdom
Role Title: SQL Server Architect - Cloud Resilience & High Availability (AWS Focus) Duration: 03/03/2027 - likely to be extended depending on the vetting checks Location: London. Hybrid, 3- 4 days per week onsite Rate: up to £662.40 p/d Umbrella inside IR35 Clearance required: Active … purpose/summary Our client previously delivered a large scale, on premises deployment of SharePoint for Hydrogen in 2017. This implementation was designed for high availability, incorporating full disaster recovery and resilience across the application, SQL Server, and storage layers. The client is now looking to transition ...

Senior Infrastructure Consultant

Hiring Organisation
Version 1
Location
London, UK
Employment Type
Full-time
virtualisation, backup, networking, monitoring, and security. The successful candidate will act as a senior technical escalation point, lead technical discovery and solution delivery, maintain high-quality documentation, and drive service reliability and continuous improvement. Due to the nature of the customer environments supported, candidates must be eligible to obtain … monitoring, and cloud-related incidents and service requests. Support, administer, troubleshoot, and improve Microsoft Exchange Server, hybrid Exchange, Exchange Online, migrations, mail flow, security, availability, and disaster recovery. Support and optimise Citrix environments, including Virtual Apps and Desktops, StoreFront, Delivery Controllers, Citrix Gateway or ADC, profile management, application delivery ...

Senior Infrastructure Consultant

Hiring Organisation
Hackajob Ltd
Location
South West London, London, United Kingdom
Employment Type
Permanent, Work From Home
virtualisation, backup, networking, monitoring, and security. The successful candidate will act as a senior technical escalation point, lead technical discovery and solution delivery, maintain high-quality documentation, and drive service reliability and continuous improvement. Due to the nature of the customer environments supported, candidates must be eligible to obtain … monitoring, and cloud-related incidents and service requests. Support, administer, troubleshoot, and improve Microsoft Exchange Server, hybrid Exchange, Exchange Online, migrations, mail flow, security, availability, and disaster recovery. Support and optimise Citrix environments, including Virtual Apps and Desktops, StoreFront, Delivery Controllers, Citrix Gateway or ADC, profile management, application delivery ...

Cloud Infrastructure Consultant

Hiring Organisation
Hackajob Ltd
Location
York, North Yorkshire, Yorkshire, United Kingdom
Employment Type
Permanent
alongside them. Working knowledge of Microsoft 365 is desirable. You will work closely with pre-sales, Principal Consultants, Architects, and operational teams to deliver high quality, supportable solutions aligned to agreed standards. Provide hands-on design and delivery expertise across datacentre, hybrid, and Azure environments, acting as the customer … Services, Group Policy, DNS, DHCP, certificate services, and hybrid identity through Entra Connect. Design and deploy resilient compute and storage platforms, including failover clustering, high availability, shared and software-defined storage, and the backup and replication that underpins them. Lead and support migration of customer server estates, including ...

Infrastructure Engineering Design Lead - Active DV Mandatory

Hiring Organisation
Randstad Technologies Recruitment
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£650 - £700/day Inside IR35 via Umbrella
this role, you will act as the technical authority across compute, storage, networking, automation, and virtualization platforms. You will be responsible for translating high-level business objectives into resilient, secure, and scalable technical solutions, ensuring all architectural blueprints comply with rigorous government security frameworks and long-term IT roadmaps. … design governance, operational delivery, and team mentorship. Key Responsibilities Architectural Governance & Technical Authority: Lead the end-to-end authoring, validation, and review of robust High-Level Designs (HLDs) and Low-Level Designs (LLDs) for high-stakes, mission-critical services. Requirements Translation: Bridge the gap between non-technical stakeholders ...

Infrastructure Engineering Design Lead - Active DV Mandatory

Hiring Organisation
Randstad Technologies
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£650.00 - £700.00 per day
this role, you will act as the technical authority across compute, storage, networking, automation, and virtualization platforms. You will be responsible for translating high-level business objectives into resilient, secure, and scalable technical solutions, ensuring all architectural blueprints comply with rigorous government security frameworks and long-term IT roadmaps. … design governance, operational delivery, and team mentorship. Key Responsibilities Architectural Governance & Technical Authority: Lead the end-to-end authoring, validation, and review of robust High-Level Designs (HLDs) and Low-Level Designs (LLDs) for high-stakes, mission-critical services. Requirements Translation: Bridge the gap between non-technical stakeholders ...