1 to 25 of 46 Contract High Availability Jobs

DBA - Oracle / SQL

Hiring Organisation
CBSbutler Holdings Limited trading as CBSbutler
Location
United Kingdom
Employment Type
Contract
Contract Rate
GBP 400 - 470 Daily
required Are you an experienced Database Administrator with strong Oracle and SQL Server expertise? We're looking for a skilled DBA to join a high-profile programme supporting business-critical database infrastructure within a secure enterprise environment. This is an exciting opportunity to work on complex, mission-critical systems … where reliability, performance and security are paramount. The Role You'll be responsible for ensuring the performance, availability and stability of Oracle and SQL Server databases, supporting BAU operations while maintaining high service standards in a secure environment. Working as part of an experienced infrastructure team ...

DBA - Oracle / SQL

Hiring Organisation
CBSbutler Holdings Limited trading as CBSbutler
Location
North West, United Kingdom
Employment Type
Contract
Contract Rate
£400 - £470/day
required Are you an experienced Database Administrator with strong Oracle and SQL Server expertise? We're looking for a skilled DBA to join a high-profile programme supporting business-critical database infrastructure within a secure enterprise environment. This is an exciting opportunity to work on complex, mission-critical systems … where reliability, performance and security are paramount. The Role You'll be responsible for ensuring the performance, availability and stability of Oracle and SQL Server databases, supporting BAU operations while maintaining high service standards in a secure environment. Working as part of an experienced infrastructure team ...

Network DNS Architect

Hiring Organisation
Queen Square Recruitment Ltd
Location
RG41, Winnersh, Wokingham, Berkshire, United Kingdom
Employment Type
Contract
Contract Rate
£510/day
ideally with experience working in regulated or secure environments. You will take ownership of DNS strategy across on-premises, cloud, and hybrid infrastructures, ensuring high availability, resilience, and strong security controls. The role requires close collaboration with network, security, and cloud engineering teams, along with the ability … provide technical leadership and mentorship. Key Responsibilities Design and architect scalable and resilient DNS solutions across enterprise environments Define DNS strategy including high availability, redundancy, and disaster recovery Manage and optimise enterprise DNS platforms such as Infoblox, BIND, BlueCat, or Microsoft DNS Implement DNS security controls including DNSSEC ...

C#.Net Developer

Hiring Organisation
Boston Hale
Location
City of London, London, England, United Kingdom
Employment Type
Contractor
Contract Rate
£450 - £550 per day
days onsite/2 days remote) I'm partnering with a leading multinational investment management firm seeking a strong C# Developer to join a high-performing engineering team delivering business-critical platforms. This role requires someone confident with strong communication skills to engage directly with stakeholders, shaping requirements … working on: Real-time asset tracking platforms integrating external data sources (e.g. Bloomberg, Refinitiv, Morningstar, market data feeds, pricing & risk engines) High-availability, high-quality distributed applications Enhancing systems that model financial positions, transactions and flows Driving projects from inception through design, build, testing and release Core ...

Infrastructure Architect

Hiring Organisation
Saab UK
Location
Hull, North Humberside, North East, United Kingdom
Employment Type
Contract
mission critical solutions used by Police, Fire & Rescue, Airports and other public safety organisations. Our solutions support real-time operational environments where resilience, availability and security are essential. As part of our continued growth and transformation towards providing managed services, we are looking for an experienced Infrastructure Architect … cloud-hosted managed service platforms Define infrastructure architecture for mission critical applications, including: Cloud hosting (public or private cloud) Networking Resilience and disaster recovery High availability Performance and scalability Security and operational monitoring Automated deployment using Infrastructure as Code (IaC) Work closely with software engineering and DevOps teams ...

DNS Architect - SC Cleared

Hiring Organisation
Hays Technology
Location
Wokingham, Berkshire, United Kingdom
Employment Type
Contract
Contract Rate
£563 - £581/day Up to £581 inside IR35
MUST BE SC CLEARED (ACTIVE) My client is seeking an experienced and highly skilled DNS Architect to design, implement, and maintain scalable, secure, and high-performance Domain Name System (DNS) solutions. This role is critical in ensuring the reliability and efficiency of network naming services across enterprise and cloud … across enterprise and cloud platforms Manage and optimise DNS platforms (BIND, Microsoft DNS, Infoblox, AWS Route 53, Azure DNS) Lead DNS strategy including scalability, high availability, and performance optimisation Oversee DNS migrations, upgrades, and transformations Implement and maintain DNS security (DNSSEC, DDoS protection, threat mitigation) Monitor performance, availability ...

SQL DBA - Contract

Hiring Organisation
Be-IT Resourcing
Location
Edinburgh, Midlothian, Scotland, United Kingdom
Employment Type
Contractor
Contract Rate
£450 per day
seeking an experienced SQL Server Database Administrator to join our client on a 6-month contract. The role will focus on ensuring the performance, availability, security, and integrity of mission-critical SQL Server environments, while supporting ongoing operations, improvements, and project work. This role is well suited … development, infrastructure, and cloud teams. Key Responsibilities Administer, maintain, and support Microsoft SQL Server environments (2016–2022+) Monitor and optimise database performance, capacity, and availability Manage backup, restore, and recovery processes; test and validate DR procedures Troubleshoot and resolve production database issues and incidents Implement and maintain high ...

Application Support Engineer

Hiring Organisation
Lorien
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
Salary negotiable
ensuring the smooth operation of their applications, resolving issues, and providing support to end-users. This role is crucial for maintaining the integrity and availability of their critical business applications in a timely manner to ensure FO and MO users have required data to performing their … architecture for Windows-based and SQL-Server environments that support the Official PNL platform. Define standards for server sizing, storage, high-availability, disaster-recovery and security (firewall). European Support Coverage - Official PNL Provide Tier-2/3 support for the Official PNL application across all EMEA locations ...

Senior (RTGS) DevOps engineer

Hiring Organisation
VIQU IT Recruitment
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£600 - £800 per day
Proven track record of building and improving automation-first DevOps environments Experience with observability tools (Splunk, ELK, Prometheus, Grafana) Linux administration skills in a high availability production environment Strong experience with incident management and service recovery Solid understanding of Agile delivery and DevOps principles Great opportunity to join ...

Oracle Cloud Infrastructure (OCI) Architect

Hiring Organisation
Intuition IT Solutions Ltd
Location
United Kingdom
Employment Type
Contract
Contract Rate
GBP Annual
effective cloud platform. Key Responsibilities Lead the design of Oracle Cloud Infrastructure (OCI) solutions as part of a bid and pre-sales engagement. Produce high-level solution designs, architecture artefacts, and technical responses for proposal submissions. Define cloud architecture, networking, security, resilience, and operational models. Collaborate with bid, delivery … Cloud Infrastructure services, including: Compute Networking Virtual Cloud Networks (VCN) Load Balancers Identity and Access Management (IAM) Storage and Backup Services Monitoring and Logging High Availability and Disaster Recovery Experience supporting bids, proposals, or large-scale transformation programmes. Strong understanding of cloud security and governance principles. Experience with ...

AWS DevOps Engineer

Hiring Organisation
SoCode Limited
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £550/day
supporting a global financial services client (hedge fund) on the hire of a mid-level AWS DevOps/Platform Engineer to work within a high-performing technology environment. This is a hands-on engineering role, focused on building and supporting cloud infrastructure, CI/CD pipelines, and platform reliability. … operate with a degree of autonomy in delivery teams Pragmatic, delivery-focused, and comfortable in fast-paced environments Additional Notes This is a high-ownership role with strong engineering expectations Preference for candidates with exposure to: Financial services or similar environments High-availability/performance-driven platforms ...

Telecoms OSS Systems Application Engineer

Hiring Organisation
MECS Communications Ltd
Location
Newbury, Berkshire, South East, United Kingdom
Employment Type
Contract, Work From Home
Systems Administrator, Network & Application Support Engineer Role Purpose: Support, maintain and enhance critical telecoms production systems, applications and infrastructure whilst ensuring operational stability, service availability, security compliance and successful delivery of system changes across operational environments. Location: Hybrid working - Newbury, Berkshire, RG14 2FN & remote, home based Role Type: Temporary … operational support systems used for network inventory management and automated network configuration * Support integrations between OSS platforms and Cramer inventory environments * Monitor system performance, availability and operational health * Troubleshoot and resolve production incidents, service issues and application faults * Support application deployments, configuration changes and production releases * Develop and maintain ...

Cloud Solution Architect

Hiring Organisation
DCV Technologies
Location
Coventry, West Midlands (County), United Kingdom
Employment Type
Contract
Contract Rate
£600 - £650/day - Inside IR35
designing, implementing, and optimizing large-scale data and cloud solutions across Azure, Databricks, and Microsoft Fabric. Your responsibilities: Architect and implement scalable, secure, and high-performance data platforms using Azure, Databricks, and Microsoft Fabric for real-time and batch processing. Lead integration across structured and unstructured data sources such … functional stakeholders including business leads, engineers, security, and vendors to align technology with strategic business outcomes. Implement monitoring, observability, and disaster recovery strategies ensuring high availability, system resilience, and proactive issue resolution. Lead AI/ML and analytics integrations with Databricks, Power BI, and MDM platforms to enable ...

Network Engineer

Hiring Organisation
VIQU IT
Location
Manchester, United Kingdom
Employment Type
Contract
Contract Rate
£400 - £500/day
enterprise networking to join a major transformation project within the business. The Systems Engineer take ownership of the end-to-end network environment, ensuring high availability, security, and performance across a fast-paced technical estate. Key Responsibilities of the Network Engineer: Own and manage the corporate network across … multiple sites, including switching, routing, wireless, firewalls, VPNs, and WAN connectivity. Optimise network performance for high-volume workloads, including Perforce synchronisations, build distribution, and GPU workstation traffic. Design and implement network segmentation and secure access controls. Monitor network capacity, performance, and availability, ensuring a resilient and scalable architecture. ...

Senior DevOps Engineer

Hiring Organisation
VIQU IT
Location
London, Bishopsgate, United Kingdom
Employment Type
Contract
Contract Rate
£750 - £850/day Inside IR35
production support (to include OOH release support) * On-prem Kubernetes/OpenShift deployments * DevOps tooling updates - issue resolution, roadmap improvements * Linux system administration (high availability production environments) * Observability functions, designing and operating end-to-end logging, metrics, tracing, dashboards, and alerting systems using ELK, Splunk, Prometheus, Grafana. * Security ...

Infrastructure Engineer

Hiring Organisation
VIQU IT Recruitment
Location
Manchester, Lancashire, England, United Kingdom
Employment Type
Contractor
Contract Rate
£400 - £500 per day
Code experience using Terraform, Bicep, or similar. Strong PowerShell and/or Python automation skills. Experience with backup, disaster recovery, patch management, and high-availability design. Solid networking fundamentals, including VLANs and routing concepts. Experience in games, VFX, animation, or similar technical environments is desirable. The successful Infrastructure ...

Oracle Cloud Infrastructure Platform Engineer

Hiring Organisation
Indotronix Avani UK Ltd
Location
Telford, Shropshire, West Midlands, United Kingdom
Employment Type
Contract
seeking a Senior Infrastructure Engineer with strong, recent hands-on experience in Oracle Cloud Infrastructure (OCI) and Oracle Exadata to join a high-profile programme. Core Purpose of the Role This is a senior technical role focused on: Leading and supporting Oracle-based infrastructure services in OCI and Exadata … Oracle RAC, ASM, AFD, HANFS, TAF Data Guard configuration and support RMAN backup and recovery OEM and OCI Database Management Patching, upgrades, and high availability mission-critical environments Cloud & Infrastructure Strong OCI experience (critical requirement) AWS experience (especially network segregation/security) Linux and/or AIX environments ...

Systems Engineer

Hiring Organisation
Carbon 60
Location
Farnborough, Hampshire, Aldershot, United Kingdom
Employment Type
Contract
Contract Rate
£600 - £700/day
assurance and handover into live service. What You'll Be Doing Lead the design and delivery of Oracle Linux KVM/OLVM platforms Produce high-quality HLD & LLD documentation Architect and implement: KVM hosts, clusters & virtualisation environments Storage domains (NFS, iSCSI, FC) Logical networks, VLANs & VM standards Deliver build … configuration, migration and platform validation Design for high availability, resilience & disaster recovery Define standards across: Security hardening & compliance Performance & capacity optimisation Backup, monitoring & automation Work closely with infra, network, security & application teams Provide technical leadership and mentoring What You'll Bring Deep, hands-on expertise in Oracle Linux ...

Oracle Linux KVM Infrastructure Engineer (SC Cleared)

Hiring Organisation
Sanderson Recruitment
Location
Farnborough, Hampshire, South East, United Kingdom
Employment Type
Contract
Contract Rate
Up to £630 per day + Inside IR-35
Oracle Linux KVM and Oracle Linux Virtualization Manager (OLVM) * Own architecture and design across virtualisation platforms, including clusters, hosts and networking * Produce high-quality HLD and LLD documentation covering architecture, security, and operational models * Lead build, configuration, and deployment of KVM/OLVM environments * Define standards across security hardening … patching, monitoring and resilience * Design and implement high availability, disaster recovery, and live migration solutions * Collaborate with infrastructure, security and application teams to ensure integration and supportability * Support governance, assurance and technical design reviews * Drive implementation, migration, and operational readiness planning Key Skills & Experience * Strong hands-on experience ...

T24/Transact Migration Engineer (TAFC - TAFJ)

Hiring Organisation
VIQU IT
Location
London, Bishopsgate, United Kingdom
Employment Type
Contract
Contract Rate
£400 - £500/day Inside IR35
working in Agile/Scrum delivery models • Knowledge of: o CI/CD practices o DevOps tooling • Familiarity with: o Enterprise hosting environments o High availability and resilience patterns • Basic exposure to: o Payment flows/SWIFT ** SC Clearance would be highly advantageous ...

Principal Cloud Architect

Hiring Organisation
TXP
Location
Southampton, Hampshire, South East, United Kingdom
Employment Type
Contract
Contract Rate
£550 - £600 per day
pipelines (Azure DevOps, GitHub Actions), networking patterns, and compute/storage design. Evaluate platform changes including major provider upgrades (AzureRM/Cloudflare), DR and high availability improvements, cost optimisation strategies, and observability frameworks. Lead technical designs for large-scale refactoring and provider upgrades, environment creation pipelines, secure container ...

Contract Observability Engineer

Hiring Organisation
Xpertise
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP 650 Daily
Real Time Observability Engineer | Contract | £650 INSIDE IR35 | Hybrid/Global Platform | High Performance Systems We are working with a global Real Time data platform operating across multiple markets and high-throughput trading environments. Key responsibilities Build and maintain application-layer observability components that aggregate and correlate telemetry … Develop telemetry pipelines for metrics, logs, and traces across Real Time distributed systems Extend low-level instrumentation approaches where required, including Kernel-level or high-efficiency data capture techniques What you bring Strong software engineering background building observability, telemetry, or distributed data systems Experience with Real Time or streaming ...

AWS Database Administrator (DBA)

Hiring Organisation
Damia Group LTD
Location
England, United Kingdom
Employment Type
Contract
Contract Rate
GBP 500 - 600 Daily
implement tuning and optimisation strategies. Manage backup, recovery and disaster recovery processes. Support database migrations and upgrades within AWS environments. Ensure database security, availability and compliance with organisational standards. Troubleshoot and resolve database-related issues across production environments. Work closely with infrastructure, cloud and application teams to support ongoing … delivery. Essential Skills & Experience Proven experience as a Database Administrator (DBA) . Strong hands-on experience with AWS , particularly Amazon RDS . Experience managing high-availability and mission-critical database environments. Strong knowledge of database performance tuning, monitoring, backup and recovery. Excellent troubleshooting and problem-solving skills. Current ...

Network Engineer

Hiring Organisation
CBSbutler Holdings Limited trading as CBSbutler
Location
Luton, Bedfordshire, United Kingdom
Employment Type
Contract
Contract Rate
£60 - £65/hour
Jumper Field Engineer Certification. Technical Experience Candidates must demonstrate proven experience delivering Cisco ISE solutions with the following capabilities: Cisco ISE 3.x or later. High-availability deployments across multiple sites. 802.1X authentication for wired and wireless environments. MAC Authentication Bypass (MAB). Guest access and customised onboarding workflows. … communication and stakeholder engagement skills. Strong documentation and reporting abilities. Ability to work independently and within cross-functional teams. Comfortable operating in fast-paced, high-pressure project environments. ...

Network Architect

Hiring Organisation
TechNest Talent
Location
Birmingham, West Midlands, United Kingdom
Employment Type
Contract
Contract Rate
£400 per day £400 per day, Outside IR35
GlobalProtect, Threat Prevention Cisco Meraki MX, MS, MR and SD-WAN Expertise in TCP/IP, BGP, OSPF, VPNs, DNS, DHCP, network security, and high availability design. Experience delivering network and cloud transformation projects. ...