19 of 19 Remote/Hybrid High Availability Jobs in the South East

Senior Full Stack .NET Engineer (React / APIs)

Hiring Organisation
Computer Futures
Location
Portsmouth, Hampshire, United Kingdom
Employment Type
Permanent
Salary
£68000 - £87000/annum equity package
collaborative development team working on a complex, integration-focused platform. This is a product-focused role where you will design, build, and maintain scalable, high-performance web applications that support real-time operational workflows. You will play a key role in shaping system architecture, delivering robust solutions, and supporting … evaluating technical solutions and trade-offs Collaborate with cross-functional teams to enable system interoperability Troubleshoot development and production issues across multiple environments Support high-availability systems with ongoing maintenance and monitoring Participate in Agile development processes and team discussions Maintain high standards through code reviews, testing ...

Lead Software Engineer

Hiring Organisation
SSCL
Location
Farnborough, Hampshire, South East, United Kingdom
Employment Type
Permanent
Salary
£65,000
. You'll lead the development, support, and enhancement of the Equiniti application suite, ensuring stability, performance, and continuous improvement across a complex, high-availability environment. This is an opportunity to combine hands-on technical leadership with modern DevOps practices while making a real impact on systems that … upgrades and environment management. Working with complex datasets to deliver reporting, analysis and data fixes. Enhancing monitoring, logging and automation capabilities. Ensuring system stability, availability and performance across multiple environments. Providing technical leadership and mentoring within the engineering team Essential Skills & Experience: Strong Oracle Applications experience. Extensive knowledge ...

NOC Operations Manager

Hiring Organisation
Spectrum It Recruitment Limited
Location
Slough, Berkshire, South East, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£70,000
smooth operation of business-critical systems while driving continuous improvement across our managed services. From overseeing Linux and Windows environments to managing VMware, networking, high availability, security and automation, you'll be at the heart of delivering exceptional service to our customers. You'll prioritise workloads, manage incidents … VMware ESXi Expert knowledge of Windows 10/11 Own Car and Clean Driving License. Experience in Operations, Infrastructure or Systems Engineering Solid networking, high availability and security knowledge Experience with technologies such as Veeam, Intune, NGINX, HAProxy, Apache and scripting/automation A proactive, customer-focused approach ...

Senior Network Infrastructure Manager

Hiring Organisation
Sterling Bridge Limited
Location
Southampton, Hampshire, South East, United Kingdom
Employment Type
Permanent, Work From Home
Role: Senior Network Infrastructure Engineer Location: Southampton (Hybrid Role) Salary: £80,000 £100,000 Carrier-Grade Networking | High-Level Infrastructure Ownership | Progression Toward CTO Were recruiting for a Senior Network Infrastructure Engineer to join a highly technical telecoms and communications environment where network performance, resilience, and uptime are absolutely … point while helping to drive standards, performance, and operational stability across the environment. The role offers the chance to work across carrier-grade networking, high-availability telecoms platforms, on-prem infrastructure, and network architecture , making it a strong move for someone looking to continue progressing into a broader ...

Cloud Platform Engineer - Competitive rate (Inside IR35) - Hybrid

Hiring Organisation
Exalto Consulting ltd
Location
Surrey, South East, United Kingdom
Employment Type
Contract, Work From Home
Infrastructure as Code best practices. Key Responsibilities: Cloud Platform Engineering Build and support cloud infrastructure across Azure Design resilient, scalable architectures aligned to high-availability requirements Develop reusable Infrastructure as Code solutions using Terraform Implement CI/CD pipelines and automation workflows Drive standardisation and security best practices ...

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 ...

SQL Server Database Developer

Hiring Organisation
Davies Turner
Location
Dartford, Kent, South East, United Kingdom
Employment Type
Permanent, Work From Home
development of business-critical systems. You will have the chance to contribute to meaningful technical improvements, work closely with experienced colleagues, and help shape high-quality database solutions that support the wider business. SQL Server Database Developer - Key Responsibilities: - Design, develop and maintain high-quality T-SQL including … database structures to support application and integration requirements - Proactively analyse and resolve database performance bottlenecks using execution plans, indexing strategies, and query refactoring - Optimise high-volume transactional queries and reporting workloads within SQL Server, using T-SQL and SQL Server Management Studio - Design and support scalable database patterns suitable ...

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 ...

Datacoms Engineer

Hiring Organisation
Reed
Location
Redhill, Surrey, England, United Kingdom
Employment Type
Full-Time
Salary
£32,000 per annum, Inc benefits
communications provider delivering complex global connectivity solutions across maritime, remote sites and enterprise environments. They’re looking for a Datacoms Technician to join a high-performing Engineering team, supporting and delivering advanced networking solutions across VSAT, LTE and global infrastructures. If you enjoy variety, problem-solving and working with … testing and installation of networks both at HQ and remote sites Working on a range of solutions including VoIP, firewalling, virtualisation, web filtering and high-availability systems Producing and maintaining clear project and technical documentation Supporting product evaluation, system integration and new technology adoption Travelling at short notice ...

Senior Platform Engineer Azure AKS SaaS

Hiring Organisation
Client Server
Location
Reigate, Surrey, South East, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£95,000
skills You have experience with CI/CD pipelines and modern DevOps practices You have a strong understanding of cloud networking, security, monitoring and high availability environments You have excellent troubleshooting skills and experience supporting mission-critical production environments You enjoy collaboratively problem solving to provide simple solutions ...

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 ...

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 ...

Platform Architect - Kubernetes / OpenShift

Hiring Organisation
Adecco
Location
Wokingham, Berkshire, United Kingdom
Employment Type
Permanent
Salary
£105000 - £120000/annum + perm benefits
covering scalability, reliability, resilience, security, and performance. Work with engineering teams to introduce new platform capabilities and improve existing services. Design solutions that support high availability, disaster recovery, and operational resilience. Assess architectural risks and identify opportunities for continual improvement. Provide architectural governance, technical leadership, and guidance across ...

VMware/Nutanix Infrastructure Engineer

Hiring Organisation
ed Resourcing Ltd
Location
Surrey, United Kingdom
Employment Type
Permanent
Salary
GBP Annual
VMware and Nutanix environments, ensuring they remain secure, resilient and performing at their best. Alongside platform administration, you'll provide technical leadership, produce high-quality documentation and support the wider infrastructure team through knowledge sharing and best practice. Key Responsibilities Take ownership of the VMware and Nutanix infrastructure. Maintain … vCenter. Experience supporting Nutanix AHV environments. Knowledge of hyper-converged infrastructure technologies. Experience with firmware upgrades, lifecycle management and patching. Strong understanding of high availability, clustering and disaster recovery. Windows Server infrastructure experience. PowerShell scripting and automation experience would be advantageous. Excellent troubleshooting, documentation and communication skills. Desirable ...

Principal Engineer (Java) - up to £105,000 + Bonus - Hybrid

Hiring Organisation
Involved Solutions
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£75,000 - £105,000 per annum
digital platforms used by millions of customers. This role will focus on driving engineering excellence, defining technical standards and leading the design of scalable, high-availability systems across a modern cloud-native environment. Responsibilities for the Principal Java Engineer: Define and evolve engineering strategy, standards and best practices … Boot, Microservices, Kafka and AWS Experience managing on and offshore teams Strong understanding of software architecture and scalable system design Experience leading development of high-performance distributed systems Experience defining and governing technical standards and engineering practices Strong leadership, mentoring and stakeholder engagement skills Desirable Skills for the Principal ...

Senior Backend Python Engineer

Hiring Organisation
interAct Consulting Limited
Location
Milton Keynes, Buckinghamshire, England, United Kingdom
Employment Type
Full-Time
Salary
Salary negotiable
technical decisions, and have genuine autonomy to build the platform the right way. ** What you’ll be doing: • Leading backend development across event-driven, high-availability systems • Owning cloud infrastructure across AWS & GCP • Building with Python (FastAPI or similar), Postgres, and Redis • Designing clean, versioned, backwards-compatible APIs ...

SQL Systems Engineer

Hiring Organisation
Picture More
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£75,000 - £95,000 per annum
document management systems What they’re looking for: 5+ years SQL Server DBA experience Strong performance tuning and troubleshooting skills Experience with SQL Server high availability technologies Exposure to Azure SQL/cloud platforms Experience in legal or professional services is beneficial Up to £95k + bonus + ...

SQL Server DBA

Hiring Organisation
Deerfoot Recruitment Solutions
Location
Sunbury-On-Thames, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£65,000
applying crucial patches or upgrades. Performance Tuning & Optimisation: Monitor, optimise and deliver performance tuning or modifications to software code and database migrations to ensure high availability and prevent data loss. Development Collaboration: Partner closely with application developers on data models, system scalability, and security compliance using Azure DevOps. ...

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 ...