26 to 50 of 53 High Availability Jobs in the South East

Senior Network Engineer

Hiring Organisation
PLANET RECRUITMENT SERVICES LTD
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£60,000 - £80,000 per annum
Work with architects, security, and cloud teams to implement integrated, secure, and scalable solutions. Optimization: Identify and resolve network bottlenecks, enhance efficiency, and ensure high availability. Documentation: Maintain detailed network diagrams, runbooks, and configuration standards. Security & Compliance: Support enforcement of security protocols, patch management, and compliance with global frameworks. ...

DevOps Technical Lead

Hiring Organisation
Data Careers
Location
South East London, London, United Kingdom
Employment Type
Permanent, Work From Home
secure-by-design) Define infrastructure standards across networking, IAM, logging and disaster recovery Lead Infrastructure-as-Code strategy (Terraform preferred) Ensure scalability, resilience and high availability across production environments CI/CD & Release Automation Design and optimise CI/CD pipelines Improve deployment reliability and reduce rollback frequency ...

Network Engineer (Fortinet) - London, Hybrid - £55,000

Hiring Organisation
Ashdown Group
Location
South East London, London, United Kingdom
Employment Type
Permanent
Salary
£55,000
responsibilities Lead network & security projects: design, implement, test and handover FortiGate firewall and Fortinet platform deployments. Configure and manage FortiGate (physical & virtual) firewall policies, high availability, routing and VPNs. Deploy and maintain FortiEMS/FortiClient endpoint security and integrate endpoint telemetry into security operations. Integrate and operate Fortinet ...

Network Engineer (Fortinet) - London - Hybrid - £55,000 plus bonus

Hiring Organisation
Ashdown Group
Location
South East London, London, United Kingdom
Employment Type
Permanent
Salary
£55,000
responsibilities Lead network & security projects: design, implement, test and handover FortiGate firewall and Fortinet platform deployments. Configure and manage FortiGate (physical & virtual) firewall policies, high availability, routing and VPNs. Deploy and maintain FortiEMS/FortiClient endpoint security and integrate endpoint telemetry into security operations. Integrate and operate Fortinet ...

Infrastructure Engineer (Citrix, VMware, Linux)

Hiring Organisation
Rise Technical Recruitment
Location
Milton Keynes, Buckinghamshire, United Kingdom
Employment Type
Contract
Contract Rate
£550 - £600/day
This role will involve a blend of BAU support and project delivery, working as part of a wider team responsible for maintaining highly secure, high-availability systems. You will play a key role in ensuring performance, stability, and security across a diverse technology estate, while contributing to ongoing ...

Security Architect (Defense, Threat Detection & Response)(ATR)

Hiring Organisation
Robert Walters
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£80,000 - £90,000 per annum
runbooks, and operational handover artefacts Coordinate tool onboarding, configuration, tuning, and validation Design scalable deployment patterns (including SaaS models, multi-tenancy, credential handling, and high availability architectures) Support purple team exercises and adversary emulation planning, translating red team findings into engineering controls Ensure security, risk, and compliance requirements ...

Network Engineer

Hiring Organisation
PLANET RECRUITMENT SERVICES LTD
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£50,000 - £60,000 per annum
Work with architects, security, and cloud teams to implement integrated, secure, and scalable solutions. Optimization: Identify and resolve network bottlenecks, enhance efficiency, and ensure high availability. Documentation: Maintain detailed network diagrams, runbooks, and configuration standards. Security & Compliance: Support enforcement of security protocols, patch management, and compliance with global frameworks. ...

Senior Infrastructure Engineer

Hiring Organisation
Elis UK Limited
Location
Basingstoke, Hampshire, England, United Kingdom
Employment Type
Full-Time
Salary
£50,000 - £60,000 per annum
equivalent professional qualification is beneficial but not essential. Your Mission at Elis Key Responsibilities Proactively maintain and update core IT infrastructure to ensure high availability of business-critical services. Ensure adherence to all infrastructure processes, including change control and security. Develop, maintain and routinely test ...

Senior Microsoft Platform Engineer

Hiring Organisation
VIQU IT Recruitment
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
Competitive salary
senior, hands-on role focused on owning and evolving enterprise Microsoft platforms across SQL Server, SharePoint, Azure, web, and identity services within a high-availability, regulated environment. Key Responsibilities of the Senior Microsoft Platform Engineer: Provide third-line support for business-critical platform services Own and support … prem and cloud), IIS/web platforms, Azure services, and identity services including SSO and MFA Proactively monitor, maintain, and optimise platform performance, availability, capacity, and disaster recovery Lead complex troubleshooting, root cause analysis, and incident resolution Deliver platform upgrades, deployments, and infrastructure changes in line with change management ...

Networking Specialist

Hiring Organisation
Ncounter
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£180,000 - £200,000 per annum
trusted as a senior technical authority, taking ownership of routing architecture, contributing to strategic decisions, and ensuring the network can support real-time, high-throughput workloads. Key Responsibilities: • Design and operate resilient network architectures across LAN, WAN, data centre, and cloud environments • Own and optimise routing and traffic flows … improve network resilience, throughput, and operational efficiency What We’re Looking For: You will be an experienced network engineer who has worked in demanding, high-availability environments where routing stability and performance are critical. Strong practical experience with BGP, OSPF, and multicast networking is essential, alongside confidence working ...

IT Applications Analyst

Hiring Organisation
Larbey Evans
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£55,000 per annum
Hybrid working (3 days office/2 days remote) You will focus on the operational support and continuous improvement of enterprise application environments, ensuring high availability, security, and performance. Key responsibilities include day-to-day maintenance, patching, monitoring, and user support across critical systems, while also contributing ...

Nutanix Engineer

Hiring Organisation
PRISM DIGITAL LIMITED
Location
Windsor, Berkshire, South East, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£90,000
business rather than a support function. Theyre now hiring a Nutanix Engineer to help run and improve the hosting platform that underpins regulated, high-availability customer services. This is a production environment where reliability matters. Youll be involved in day-to-day platform operations, upgrades, performance tuning, incident ...

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 ...

Linux Platform & Systems Engineer

Hiring Organisation
Elvis Eckardt Recruitment
Location
Redhill, England, United Kingdom
Desirable: • Experience within satellite communications, secure networking or telecoms environments • SonarQube experience • SOA architecture knowledge • VoIP/Asterisk exposure • Experience supporting mission-critical or high-availability systems Important Eligibility Requirements: • Must hold a NATO-country passport • Must have lived in the UK continuously for the last 5 years ...

Active Directory Specialist (on-site Aldermaston) (Open)

Hiring Organisation
DXC
Location
Reading, Berkshire, South East, United Kingdom
Employment Type
Permanent, Work From Home
enhancing a complex hybrid identity services environment that spans both On-Prem Active Directory and Entra (Azure Active Directory). Operating within a high-security, fast-paced public-sector setting, the role requires delivering expert 2nd/3rd line technical support while also contributing to long-term service transformation … secure configuration baselines. Manage core AD infrastructure components such as Domain Controllers, FSMO roles, DNS, DHCP, Sites & Services, ensuring resilience, correct topology, and high availability. Implement and enforce Azure AD security controls, including RBAC, Conditional Access, MFA, Identity Protection, PIM, and other Zero Trust aligned safeguards. Support Azure-based ...

Java Backend Developer with Microservices - Burgess Hill, UK

Hiring Organisation
Randstad Digital
Location
Burgess Hill, West Sussex, South East, United Kingdom
Employment Type
Permanent
Salary
£70,000
PERM Location: Burgess Hill, UK Working Model: Hybrid (3 days per week in office) Salary: 65K - 70K The Role: Build, troubleshoot, deploy, and scale high-quality software using distributed enterprise frameworks. Mandatory Skills: Up to 5 years of experience. Strong knowledge of Java (8+), Microservices, Spring Boot, Kafka … should also be familiar with TDD, CI/CD, and version control (GIT). Bonus Skills: Experience with GoLang (1+ year), Cloud computing, VertX, high-availability caching, and Agile methodologies. Education: University degree in Computer Science, Computer Engineering, or equivalent. This is an urgent vacancy with a deadline ...

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 ...

Network & Security Engineer

Hiring Organisation
Planet Recruitment
Location
Windsor, Berkshire, United Kingdom
Employment Type
Permanent
Salary
£50000 - £60000/annum
developing the Clients network infrastructure, working across our Arista switching and wireless environment. You will ensure the Clients network remains secure, resilient and high performing, while strengthening cyber security controls, monitoring capabilities and safeguarding compliance. Key tasks and responsibilities You will: Design, implement and support secure wired and wireless … support pastoral and safeguarding teams. Maintain accurate documentation of network topology, security configurations and standards. Work with external partners and service providers to maintain high levels of security and availability. Support disaster recovery and business continuity planning from a security and network perspective. Promote cyber security awareness Provide ...

Network and Security Engineer

Hiring Organisation
McGregor Boyall
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£90,000 - £110,000 per annum
EIGRP-based solutions OSPF-based solutions, BGP-based solutions, Layer 2 switching Cisco NX-OS, IOS Cisco ACI Cisco ISE Cisco Meraki VLAN's, High availability Multicast Firewalls (Palo Alto, CheckPoint and Cisco ASA) F5 BigIP Tetration If this is of interest and you have the required skills ...

VMware Infrastructure Engineer (SC Cleared)

Hiring Organisation
Network IT
Location
Milton Keynes, Buckinghamshire, United Kingdom
Employment Type
Contract
Contract Rate
£590/day
Status: Inside IR35 Location: Milton Keynes Working Pattern: 3 days per week onsite (average) Key Skills: Strong experience with VMware technologies, including: ESXi High Availability (HA) configuration vCenter vSAN VMware Cloud Foundation (VCF) NSX VMware Aria Experience supporting complex, enterprise level environments Understanding of public cloud migration concepts ...

.NET Developer

Hiring Organisation
Noir
Location
Stoke D'Abernon, Cobham, Surrey, England, United Kingdom
Employment Type
Full-Time
Salary
£35,000 - £50,000 per annum
seeking .NET Developer to work out of their plush offices in the heart of Leatherhead. You will be working on the development of high-availability and highly-transactional .NET/C# applications which will be critical to the launch of their new online music shopping channel. ...

Siebel Developer

Hiring Organisation
17918
Location
Guildford, Surrey, United Kingdom
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... CRWG1_UKTJ ...

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 ...

Siebel Developer

Hiring Organisation
Damia Group Ltd
Location
Guildford, Surrey, UK
Employment Type
Full-time
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 xxuwjjq solutions aligned to established enginee Please click on the apply button to read the full job description ...

Shift Engineer

Hiring Organisation
PRS
Location
Redhill, England, United Kingdom
Surrey area. This is an excellent opportunity for an electrically or mechanically qualified engineer with experience in critical environments to work within a high-availability operation supporting enterprise and hyperscale infrastructure. Key Responsibilities Monitoring and maintaining critical electrical and mechanical systems Supporting UPS, generators, cooling systems, HVAC ...