1 to 25 of 28 Remote/Hybrid High Availability Jobs in the South East

Cloud Network Engineer

Hiring Organisation
Addition
Location
Milton Keynes, England, United Kingdom
Doing Designing and operating secure, scalable cloud platforms across Azure and GCP Supporting multi-region infrastructure deployments with a focus on resilience and high availability Building and maintaining modern container and orchestration platforms for cloud-native applications Managing networking, routing, firewalls, load balancing, CDN and edge traffic solutions … balancing, API gateways, and traffic management Experience supporting both Linux and Windows environments Exposure to serverless platforms, messaging services, and integration tooling Knowledge of high availability, disaster recovery, and multi-region deployment strategies Familiarity with regulated environments and security-focused delivery standards Strong communication skills with a collaborative ...

SQL Server Database Developer

Hiring Organisation
Davies Turner
Location
Dartford, Kent, South East, United Kingdom
Employment Type
Permanent, Work From Home
data design, performance), with enough operational awareness to work safely in a production environment. SQL Server Database Developer - Key Responsibilities: - Design, develop and maintain high-quality T-SQL including stored procedures, views, functions, tables, and indexes - Proactively analyse and resolve database performance bottlenecks using execution plans, indexing strategies … query refactoring - Optimise high-volume transactional queries, reporting workloads, and data integration jobs - Design and support scalable database patterns suitable for high-availability environments - Support application and integration development through all stages of delivery - Support and promote controlled database changes across Development, Test, and Production environments - Work ...

Senior Backend Engineer

Hiring Organisation
MarkIT Placements
Location
Didcot, Oxfordshire, South East, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£90,000
usable in the real world. If you enjoy owning backend services end to end, care deeply about reliability and API quality in a high-impact environment, this role offers both autonomy and real impact. Requirements Backend Architecture & APIs (Primary Focus) Design and evolve scalable backend services in Python using … FastAPI for high-availability, high-throughput workloads. Build well-versioned RESTful APIs aligned to OpenAPI/Swagger, with strong conventions for consistency, idempotency, and backward compatibility. Implement authentication and authorization using OAuth2/OIDC, session management, and fine-grained permissions. Design and maintain event-driven architectures ...

Senior Infrastructure Engineer

Hiring Organisation
Parent TEST TJ Company 1
Location
Eastleigh, Hampshire, South East, United Kingdom
Employment Type
Permanent
Youll work across hybrid and multi-cloud environments, ensuring platforms are secure, highly available , and fit for future growth. This is a hands-on, high-impact role for an experienced infrastructure engineer who enjoys shaping platforms, solving complex problems, and building resilient systems at scale. Youllbe trusted to make … operational excellence, including monitoring, maintenance, incident resolution, and root cause analysis. Driving resilience and reliability through proactive capacity management, disaster recovery planning, and high-availability design. Working closely with technical architects to turn high-level designs into reliable, production-ready solutions. Collaborating with development, operations, and security ...

Senior DevOps Engineer

Hiring Organisation
Halian Technology Limited
Location
Reading, Berkshire, South East, United Kingdom
Employment Type
Permanent
Salary
£85,000
work in a purpose-driven company! Requirements: Proven experience (5+ years) in a DevOps or similar role, ideally within a cloud-first, SaaS, or high-availability environment. Strong expertise with Azure (preferred), AWS, or Google Cloud and familiarity with cloud-native tools and services. DevOps experience ...

Contract AWS Cloud Infrastructure Engineer

Hiring Organisation
Spectrum It Recruitment Limited
Location
Portsmouth, Hampshire, South East, United Kingdom
Employment Type
Contract, Work From Home
Strong commercial experience supporting AWS infrastructure environments. Experience designing, deploying and administering AWS services. Good understanding of hybrid cloud and on-premise infrastructure. Support high-availability environments and disaster recovery requirements. Maintain and improve the security, performance, resilience and cost-efficiency of cloud infrastructure. Experience working with software ...

AWS Cloud Platform Manager

Hiring Organisation
Ciphr
Location
Reading, England, United Kingdom
identify and resolve issues, implement automation and monitoring solutions, and drive continuous improvement across our infrastructure. Your leadership will be instrumental in fostering a high-performing, innovative engineering culture, optimising system performance, and minimising downtime. You will also be responsible for managing cloud costs effectively, ensuring spend remains within … optimise cloud infrastructure usage to ensure cost efficiency, maintaining spend within agreed budgets. Ensure the optimal performance of cloud services , delivering a seamless and high-quality experience for end users. Take accountability of the on-call rota , ensuring appropriate coverage, managing participation, and leading rapid incident response to maintain ...

Cloud Engineer - Oracle Fusion & Cloud Infrastructure

Hiring Organisation
Pro Contract Jobs Ltd
Location
Oxford, Oxfordshire, South East, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£80,000
robotics. The Role: Cloud Engineer - Oracle Fusion & Cloud Infrastructure This is a critical technical role focused on the design, implementation, and maintenance of secure, high-availability cloud environments, directly supporting the operation and integration of Oracle Fusion Cloud ERP, HCM, and SCM applications. You will be instrumental ...

Senior Systems Infrastructure Engineer

Hiring Organisation
LA International
Location
Basingstoke, England, United Kingdom
versatile Senior Systems Infrastructure Engineer who thrives on variety. You won’t be siloed into a single technology; instead, you’ll oversee a complex, high-security ecosystem spanning Windows, Linux, and modern Software-Defined and Cloud Data Centres. You are the “Safe Pair of Hands” for our infrastructure—capable … projects alongside customer-facing delivery responsibilities for our clients. Key Responsibilities Full-Stack Infrastructure: Support the design, lead deployments, support the lifecycle management of high-availability servers, storage, and networking Hybrid Environment Management: Administer a diverse production estate, ensuring seamless interoperability between Windows and Linux platforms. Infrastructure ...

Lead Engineer

Hiring Organisation
Jobleads-UK
Location
Hook, England, United Kingdom
team’s efforts are always aligned with delivering tangible outcomes for Elanco’s customers. Oversee "build and run" responsibilities for Enterprise AI products, ensuring high availability and robust support through mature incident processes. Provide architectural oversight and hands‐on technical guidance for the development of AI‐driven applications. … Lead Scrum ceremonies from a technical perspective, ensuring the team delivers high‐quality increments and meets sprint goals. Mentor and coach Senior and Software Engineers, as well as members of our student program, to cultivate a high‐performing and connected engineering organisation. Drive CI/CD maturity, continually ...

Network Analyst / Lead

Hiring Organisation
Red King Resourcing
Location
Henley-On-Thames, Oxfordshire, United Kingdom
Employment Type
Permanent
Salary
£35000 - £40000/annum Dep on skills / exp
Working within a growing IT team, you will take ownership of the organisation's network infrastructure, security posture, and connectivity across multiple sites, ensuring high availability, resilience, and performance. Key Responsibilities Manage, maintain, and optimise the organisation's network infrastructure Oversee LAN, WAN, Wi-Fi, VPN, firewall ...

Network Manager

Hiring Organisation
Red King Resourcing
Location
Henley-On-Thames, Oxfordshire, United Kingdom
Employment Type
Permanent
Salary
£45000 - £55000/annum Dep on skills / exp
Working within a growing IT team, you will take ownership of the organisation's network infrastructure, security posture, and connectivity across multiple sites, ensuring high availability, resilience, and performance. Key Responsibilities Manage, maintain, and optimise the organisation's network infrastructure Oversee LAN, WAN, Wi-Fi, VPN, firewall ...

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 ...

Lead Architect

Hiring Organisation
Reed
Location
Croydon, Surrey, England, United Kingdom
Employment Type
Full-Time
Salary
£115,000 - £130,000 per annum, Inc benefits
senior business stakeholders, technology leadership, and delivery teams. Proficiency in Microsoft Azure, including App Services, AKS, AAD, Event Hubs, API Management, etc. Experience with high-concurrency, high-availability designs, fault tolerance, and auto-scaling patterns. Solid understanding of Domain-Driven Design (DDD), Hexagonal Architecture, CQRS, and Event ...

Senior Systems Engineer (Server and Cloud Technologies Specialist)

Hiring Organisation
Trusted Technology Partnership
Location
Ringwood, Hampshire, South East, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£55,000
Intune. Strong experience in managing Windows Server environments (2016, 2019, 2022, 2025). Proficiency in automation and scripting using PowerShell. Experience with virtualisation and high availability solutions, including Hyper-V (clustered and standalone), Windows Admin Centre, and Failover Clustering. Working knowledge of SQL Server in both clustered … troubleshooting and problem-solving skills, with the ability to diagnose and resolve complex technical issues. Excellent communication skills, including the ability to produce clear, high-quality documentation such as processes, procedures, and technical designs. Positive, proactive attitude with a strong sense of ownership. Desirable: Experience designing and deploying highly ...

Senior Backend Developer

Hiring Organisation
Ordnance Survey
Location
Southampton, Hampshire, England, United Kingdom
Employment Type
Full-Time
Salary
£56,312 - £65,697 per annum
join our mission. About the role As a Senior Backend Developer, you'll take a leading role in designing, building and delivering scalable, high-performance backend systems that power our geospatial data platforms and services. You'll guide technical decision-making, champion engineering best practices, and help shape robust … Doing Leading the technical delivery of complex backend systems, working closely with architects, delivery managers, and stakeholders Designing and implementing scalable, secure, and high-availability services using C# and Azure Building and optimising data pipelines and services that leverage OLAP and analytical data platforms Working with geospatial datasets ...

Network Engineer

Hiring Organisation
Randstad Technologies
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£500 - £530 per day
site) Level: Professional (Band P3) Are you a CCNP-level engineer with a passion for hybrid cloud environments? We are looking for a high-caliber Network Engineer to join our IT Infrastructure and Operations team for a critical 6-month project. This role sits at the heart … Institutions or UK Government sectors. Familiarity with Zero Trust architecture and modern segmentation. Why Apply? This is a chance to provide strategic oversight on high-availability systems within a regulated banking environment. You'll work with a talented IT Operations team and managed service providers to deliver reliable ...

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 ...

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 ...

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 ...