11 of 11 Contract High Availability Jobs in the South East

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 ...

Contract: SC Cleared Network DNS Architect - 6 months on-site in Wokingham

Hiring Organisation
Hamilton Barnes
Location
Wokingham, Berkshire, United Kingdom
Employment Type
Contract
Contract Rate
GBP 500 Daily
requirements, and technical best practices. Key Responsibilities Design and architect scalable DNS infrastructures across on-premise, cloud, and hybrid environments. Define DNS strategy including high availability, redundancy, failover, and disaster recovery. Manage and optimise enterprise DNS platforms including Infoblox, BIND, BlueCat, and Microsoft DNS. Implement DNS security controls … Hands-on experience with Infoblox, BIND, BlueCat, or Microsoft DNS. Strong knowledge of routing, switching, network security, and DNS-based traffic management. Experience with high-availability architectures and resilient infrastructure design. Familiarity with cloud DNS services including AWS Route 53, Azure DNS, or Google Cloud DNS. Strong troubleshooting ...

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 ...

Application Support Engineer

Hiring Organisation
Lorien
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
Salary negotiable
existing services. Work closely with development teams, business analysts, architects, all infrastructure teams to design and setup new systems, improve existing platforms (resilience, high availability, performance, low latency) Coordinate and organise changes with external vendors, markets, ECNs. Plan, schedule, implement and document the release/change activities. Improve ...

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 ...

Application Support Manager

Hiring Organisation
Proactive Appointments
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£475 - £500 per day
delivery, support, and continuous improvement of critical business applications, including core banking platforms. This role combines hands-on technical oversight with leadership responsibility, ensuring high availability, performance, and strategic development across application services. You will play a key role in managing both change delivery and BAU support, while ...

Siebel Developer

Hiring Organisation
Damia Group Ltd
Location
Surrey, South East, United Kingdom
Employment Type
Contract
Contract Rate
£530 - £630 per day + Inside IR35
role in the design, development and support of a bespoke Siebel CRM implementation. Responsibilities include: Enhancing and maintaining Siebel applications within a secure, high-availability environment Designing and implementing solutions aligned to established engineering standards and best practice Configuring Siebel components using Siebel Tools Developing and maintaining Siebel ...

Network Engineer

Hiring Organisation
VIQU IT
Location
Guildford, Surrey, United Kingdom
Employment Type
Contract
Contract Rate
£400 - £450/day Outside IR35
wireless networking technologies. Strong FortiGate experience including firewall policy management, IPS/IDS, SSL inspection, web filtering, SD-WAN, VPNs and High Availability. Experience administering and supporting Palo Alto firewalls. Proven experience delivering hybrid cloud networking solutions across Azure and AWS would be beneficial Proven experience supporting large-scale ...

Senior Technician Infrastructure

Hiring Organisation
Randstad Digital
Location
Chelmsford, Essex, South East, United Kingdom
Employment Type
Contract
Contract Rate
£15 - £20 per hour + Negotiable
week) Job Type: Contract About the Role Are you an experienced IT professional looking to do meaningful work? We are partnering with a vital, high-profile public sector organization to find a Senior Infrastructure Technician. In this critical role, you will be the backbone of the organization's digital … operations, ensuring the high availability of mission-critical systems-including emergency operations and dispatch technology. You will act as the senior technical expert within the digital team, tackling complex problems and helping the organization run smoothly and securely. Key Responsibilities Provide advanced 3rd line digital support to resolve ...

Senior Kotlin Engineer (XP, GCP) - Investment Banking - London

Hiring Organisation
Salt Search
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£500 - £800 per day
Senior Kotlin engineer to support and extend a cloud-hosted platform used for bookbuilding issuances within Investment Banking Capital Markets. You will join a high-calibre London-based front office engineering team working on a next-generation issuance platform replacing a legacy bookbuilding system. This is a hands … including mob programming, test-driven development, and continuous refactoring. Engineers are expected to contribute across development, integration, and production support, collaborating closely to maintain high standards of code quality, system reliability, and performance. Required & Desirable Skills Strong commercial experience building backend services using Kotlin Experience with event-sourced ...

Siebel Developer

Hiring Organisation
Damia Group Ltd
Location
Surrey, United Kingdom
Employment Type
Contract
Contract Rate
GBP 530 - 630 Daily
role in the design, development and support of a bespoke Siebel CRM implementation. Responsibilities include: Enhancing and maintaining Siebel applications within a secure, high-availability environment Designing and implementing solutions aligned to established enginee click apply for full job details ...