22 of 22 Remote/Hybrid Contract High Availability Jobs

Unix Engineer

Hiring Organisation
TXP Technology x People
Location
Cumbria, England, United Kingdom
Employment Type
Contractor
Contract Rate
£0 per annum
candidate will support and enhance enterprise level UNIX infrastructure, with a strong focus on Oracle Solaris platforms, LDOM virtualisation, and the delivery of resilient, high availability systems. The role will involve system administration, platform optimisation, and migration activities, working closely with infrastructure and application teams to maintain performance … manage, and support LDOMs (Logical Domains) within a virtualised infrastructure Deliver UNIX system migrations and upgrades, ensuring minimal disruption and risk Design and implement high-availability and resilience solutions, including clustering and failover Monitor system performance, identify issues, and carry out advanced troubleshooting Collaborate with infrastructure, network ...

Senior Infrastructure Engineer

Hiring Organisation
Randstad Digital
Location
Newcastle Upon Tyne, Tyne and Wear, North East, United Kingdom
Employment Type
Contract, Work From Home
operations or 'maintenance' role. We need a builder-someone who can jump straight into design and delivery, applying NetDevOps principles to support critical, high-availability services. You'll be bridging the gap between traditional networking and modern cloud-integrated infrastructure. Key Responsibilities Design & Implementation: Build and enhance enterprise … Skills (The 'Must-Haves') To be successful, you need deep, hands-on expertise in: Enterprise Network Engineering Complex OSPF & BGP routing. Design of resilient, high-availability traffic flows. Firewall & Security Extensive experience with Palo Alto firewalls. Network segmentation and Zero Trust architecture. Data Center Architecture VXLAN/EVPN ...

Scala Developer

Hiring Organisation
Robert Half
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
Salary negotiable
recruit a Scala Developer on a 6 months contract basis. Hybrid working - London based Role The Scala Developer will develop highly performant, highly availability, fault tolerant systems that are packaged in containers and deployed on the cloud Scale, manage and build tools to monitor them Determine non-functional requirements … experience of a wide range of best of breed open source and commercial technologies - Scala, Kubernetes, Docker, AWS. Experience of software development for high capacity, high traffic, high availability websites/systems Delivery experience within an agile project is essential Company Global market leading e-commerce ...

Lead Enterprise Architect

Hiring Organisation
ECS Resource Group Ltd
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£700 - £750/day IR35 Status TBC
they are looking for an experienced Lead Enterprise Architect to play a crucial role in the design and implementation of a business critical and high priority project that will transform and modernise their primary revenue source. What you'll do Full ownership of the enterprise architecture strategy … emerging AI capabilities Own key technology decisions including vendor strategy and "build vs buy" across critical platforms Design platforms that operate at scale: High volume, high availability, and no room for failure Lead the shift towards platform-based architecture with clear ownership and long-term sustainability Turn ...

Solution Architect

Hiring Organisation
Sanderson Recruitment
Location
Cardiff, South Glamorgan, Wales, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
£600 - £700 per day
skills required. Experience designing and documenting Microservice architectures Strong Integration background Layered Architectures Integration/Orchestration Experience designing and implementing enterprise business critical, high volume, scalable, high availability systems running in 24/7 regulated environments. Strong API experience (REST, WebSocket) Experience of Domain Driven Design. Experience ...

Solution Architect

Hiring Organisation
Sanderson Recruitment
Location
South West, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
£600 - £700 per day
skills required. Experience designing and documenting Microservice architectures Strong Integration background Layered Architectures Integration/Orchestration Experience designing and implementing enterprise business critical, high volume, scalable, high availability systems running in 24/7 regulated environments. Strong API experience (REST, WebSocket) Experience of Domain Driven Design. Experience ...

Terraform Infrastructure Engineer / IaC SME

Hiring Organisation
Salt Search
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£500 - £700 per day
development teams to ensure continuous integration and delivery (CI/CD) pipelines are efficient and effective Monitor system performance and troubleshoot issues to ensure high availability and reliability Implement security best practices and ensure compliance with industry standards Optimize infrastructure costs and resource utilization Develop infrastructure as code ...

Senior Infrastructure Engineer

Hiring Organisation
Randstad Digital
Location
Blackpool, Lancashire, North West, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
£550 - £600 per day
Implement and manage Palo Alto firewall policies across on-prem and cloud environments, aligned to Zero Trust principles Design and operate high-availability network services, including routing, segmentation, and resilience Develop and maintain network automation using tools such as Python, Ansible, and Infrastructure as Code Collaborate with architecture ...

Contract Platform Database Administrator

Hiring Organisation
Connells Limited
Location
Milton Keynes, Buckinghamshire, South East, United Kingdom
Employment Type
Contract, Work From Home
tools such as Azure DevOps, OctopusDeploy. Cloud services: Azure SaaS, PaaS, IaaS. Knowledge of best practices and IT operations in an always-up, HADR (High Availability Disaster Recovery). Good working knowledge of Windows Server Administration and specifically IS Administration. Desirable Skills: Ability to read and understand Programming ...

Unified Comms & Audio Visual Engineer -London - contract £300-350 per day (PAYE), hybrid

Hiring Organisation
McCabe & Barton
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP 300 - 350 Daily
platforms across the business. This role blends deep technical UC engineering capability with hands-on AV and meeting support, ensuring reliable, secure, and high-quality collaboration experiences for end users, executives, and trading environments. The successful candidate will support and evolve platforms including Cisco CUCM, WebEx (Dedicated Instance), Microsoft … office 3 days per week + 2 days WFH Key Responsibilities Unified Communications Engineering Design, configure, support, and enhance the global UC environment, ensuring high availability, performance, and security. Administer and troubleshoot Cisco Unified Communications Manager (CUCM), including dial plans, call routing, SIP integrations, upgrades, and incident resolution. ...

IT Senior Infrastructure Engineer - Temporary (up to 24 months)

Hiring Organisation
RNLI
Location
Poole, Dorset, South West, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
£45,000
support across RNLIs on-premise and cloud infrastructure. Youll take a proactive role in managing, improving, and securing our server and cloud estate, ensuring high availability, resilience, and performance. Youll also contribute to future systems design, service improvement initiatives, and the ongoing evolution of our infrastructure platforms. … backup, and disaster recovery controls - Deploy enhancements, patches, and upgrades across platforms - Contribute to infrastructure design decisions and service improvement initiatives - Create and maintain high-quality technical documentation and service records - Act as a technical mentor and escalation point within the wider infrastructure team About You To succeed ...

Network Engineer

Hiring Organisation
Randstad Technologies Recruitment
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £530/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 ...

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 ...

Storage Senior SAN SME / Architect

Hiring Organisation
Experis
Location
Sheffield, South Yorkshire, United Kingdom
Employment Type
Contract
Contract Rate
£530 - £579/day
role requires strong hands-on design experience in at least one major storage domain (block, file, object, or data protection), alongside a solid high-level understanding of the others, enabling well-rounded architectural decision-making even where direct exposure is limited. Key Responsibilities Lead the end-to-end design … enterprise storage solutions, from requirements gathering through to high-level and low-level designs. Act as a technical authority in architecture discussions, confidently explaining design choices, limitations, and alternatives. Define target-state storage architectures aligned to application, platform, performance, availability, scalability, and resilience requirements. Produce clear architecture documentation ...

Senior Network Engineer/ACI Specialist

Hiring Organisation
Access Computer Consulting Plc
Location
England, United Kingdom
Employment Type
Contract
Contract Rate
GBP Annual
EPGs, contracts, and L3Outs Troubleshoot ACI policy, forwarding, and external connectivity issues Support integration with external network domains and security platforms Produce and review high-level and low-level network design documentation Engage with business, design and operational stakeholders, vendors, and internal delivery teams Required Skills & Experience Strong enterprise … depth routing and switching knowledge (BGP, OSPF, VLANs, VRFs, L2/L3) Proven Cisco ACI design, implementation, and troubleshooting experience Strong understanding of high-availability and resilient network architectures Desirable Skills Fortinet Firewall implementation and troubleshooting experience Experience integrating Firewall platforms with Cisco ...

Solution Architect

Hiring Organisation
Morson Edge
Location
Gloucestershire, South West, United Kingdom
Employment Type
Contract
Contract Rate
£500 - 600 per day + None
Required Skills & Experience Essential Strong BC/DR and systems recovery experience from a solution architecture perspective Proven Azure experience , including: Cloud recovery patterns High availability design Backup and immutable backup concepts Experience in regulated environments with awareness of: Internal policies ISO standards (e.g. ISO 22301) Experience reviewing ...

Enteprise Data Management Support

Hiring Organisation
Bright Purple Resourcing
Location
Edinburgh, Midlothian, Scotland, United Kingdom
Employment Type
Contract, Work From Home
optimisation for a key enterprise data management platform underpinning critical investment operations. The Opportunity: This is a fantastic opportunity to be part of a high-impact data programme modernising and simplifying how investment-related data is sourced, mastered, and distributed. Youll work closely with stakeholders across IT and investment … managed data service that replaces a legacy in-house system. What Youll Be Doing: Maintain and monitor an enterprise EDM platform to ensure high availability and performance Troubleshoot issues and support end-users, including investment analysts and portfolio managers Implement enhancements driven by business and regulatory needs Deliver ...

Prometheus / Grafana SME Manchester Hybrid IT £750/d Inside

Hiring Organisation
Adecco
Location
Manchester, Lancashire, England, United Kingdom
Employment Type
Contractor
Contract Rate
£750 per day
scope for monitoring verification and uplift. Your responsibilities will include working with EMAS to analyse Prometheus scrape coverage, exporter deployment, and Grafana dashboard availability for critical applications. Key Capabilities/Knowledge: Deep expertise in designing, implementing, and configuring: Prometheus Instrumentation strategy (exporters, service discovery, custom metrics). PromQL development … complex queries and performance analysis. Recording rules, alerting rules, and metric optimisation. High-availability architectures, sharding, federation, and long-term storage (e.g., Thanos, Cortex, Mimir). Grafana Dashboard and panel design with performance-focused visualisations. Alerting configuration and best-practice alert routing. Synthetic monitoring integrations (e.g., Grafana Synthetic ...

Prometheus / Grafana SME Hybrid IT £750/d Inside IR35

Hiring Organisation
Adecco
Location
Edinburgh, Midlothian, Scotland, United Kingdom
Employment Type
Contractor
Contract Rate
£750 per day
scope for monitoring verification and uplift. Your responsibilities will include working with EMAS to analyse Prometheus scrape coverage, exporter deployment, and Grafana dashboard availability for critical applications. Key Capabilities/Knowledge: Deep expertise in designing, implementing, and configuring: Prometheus Instrumentation strategy (exporters, service discovery, custom metrics). PromQL development … complex queries and performance analysis. Recording rules, alerting rules, and metric optimisation. High-availability architectures, sharding, federation, and long-term storage (e.g., Thanos, Cortex, Mimir). Grafana Dashboard and panel design with performance-focused visualisations. Alerting configuration and best-practice alert routing. Synthetic monitoring integration's (e.g., Grafana ...

Technical Architect

Hiring Organisation
Brio Digital
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP 700 Daily
Provide technical leadership and guidance to engineering teams, setting direction on tooling, patterns, and best practice Design and oversee cloud infrastructure on AWS, ensuring high availability, performance, and security Drive Java-based development standards and architectural decisions across the codebase Engage with NHS stakeholders and third party suppliers ...

Technical Architect

Hiring Organisation
Brio Digital
Location
London, Baker Street, United Kingdom
Employment Type
Contract
Contract Rate
£700/day
Provide technical leadership and guidance to engineering teams, setting direction on tooling, patterns, and best practice Design and oversee cloud infrastructure on AWS, ensuring high availability, performance, and security Drive Java-based development standards and architectural decisions across the codebase Engage with NHS stakeholders and third party suppliers ...

Senior KDB+ Developer

Hiring Organisation
Stackstudio Digital Ltd
Location
London, United Kingdom
Employment Type
Contract
Location: London, UK (Hybrid) Job Type: Contract - Inside IR35 Role Overview We are seeking an experienced Senior KDB+ Developer to design, develop, and optimize high-performance data platforms built on kdb+. The ideal candidate will have deep expertise in kdb+ tick architecture, performance tuning at scale, and close collaboration … tick systems, with strong understanding of data organisation, schema design, and performance implications of different architectural approaches. Build and operate solutions handling large-scale, high-frequency datasets, ensuring low latency, high throughput, and efficient memory usage. Analyse and optimise q queries, data models, and ingestion pipelines for both ...