1 to 25 of 63 Remote/Hybrid High Availability Jobs in London

Global Banking & Markets - Software Engineer - Vice President - London

Hiring Organisation
Jobleads-UK
Location
City Of London, England, United Kingdom
production idioms, while meeting the diverse and often complex business requirements of a global 24x7 trading operation, while balancing stringent non‐functional demands for availability, latency, and resilience. Critically, you will lean heavily into AI‐driven development. Using Goldman Sachs' AI tooling and agentic coding assistants, you will govern … magnitude higher volumes at lower operational costs, directly contributing to the firm's competitive and commercial edge. Build for the future : Design and implement highavailability, multi‐region, event‐driven services on a modern cloud‐native platform, setting the architectural standard for years to come. What You Will ...

Director of Technology Infrastructure and Cybersecurity

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
IFRS Foundation's global technology environment, ensuring alignment with corporate objectives. Supporting 350 staff across six countries, the role ensures resilient, secure, and high‐performing services in a 24x7 operational model. Combining strategic oversight with operational accountability, the Director is responsible for infrastructure, end‐user computing, AV, cybersecurity … digital workplace and security operations, providing technical leadership to optimise the performance and cost base of the services. Operational Excellence (24x7 Global Environment) Ensure high availability and performance of all core systems supporting a 24x7 international operation. Establish and monitor SLAs, KPIs, and operational metrics to maintain service ...

GCP DevOps Engineer - London OR Manchester OR Bristol (Hybrid) - IR35

Hiring Organisation
iBSC
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP Annual
Time event streaming You will help design, build and maintain the tools, pipelines and processes that enable engineering teams to deliver secure, scalable and high quality software at pace Key Responsibilities Design, implement, and maintain CI/CD pipelines using tools such as Jenkins, Harness, Git, Nexus, SonarQube, Docker … delivery Help improve deployment processes, including modern CI/CD tooling and blue-green deployment approaches Support monitoring, alerting, and incident response to maintain high availability and reliability Automate manual processes, identify delivery bottlenecks, and share knowledge across engineering teams Work collaboratively with engineering, product, and operations teams ...

Senior EUC Engineers - Exchange

Hiring Organisation
CBSbutler Holdings Limited trading as CBSbutler
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £550/day
Responsibilities Design and implement Microsoft Exchange architecture across hybrid and cloud environments Lead the design and planning of Exchange migrations and upgrades Produce High-Level and Low-Level Design documentation (HLD/LLD) Design mail flow architecture, including routing and connectors Define high availability and disaster recovery … Proven experience with Exchange Hybrid architecture Experience delivering Exchange migrations (on-prem to cloud or hybrid) Strong knowledge of: Mail flow design Hybrid Exchange High availability and DR Experience producing HLD and LLD documentation Technical Environment Microsoft Exchange Online On-Prem Exchange (2016/2019) Microsoft 365 Microsoft ...

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 ...

Mid-Senior Ruby on Rails Engineer (B2B SaaS | Hybrid | UK)

Hiring Organisation
Transreport
Location
City of London, London, United Kingdom
deployment practices, monitoring, and long-term maintainability. Operational Accountability: Act as the technical owner of production systems that directly impact live rail operations, ensuring high availability and rapid incident resolution. Requirements Must Haves 4+ years of professional experience with Ruby on Rails. Strong understanding of object-oriented programming … your family Culture & Operating Principles We value : Ownership over hierarchy Clarity over bureaucracy Impact over job titles We operate with high autonomy and high accountability. People are expected to raise risks early, communicate clearly, and take responsibility for outcomes. Interview Roadmap Screening Call (30 mins) – Recruiter alignment Technical ...

AWS Solution Architect - Senior Manager

Hiring Organisation
Anson Mccade
Location
Central London, London, United Kingdom
Employment Type
Permanent
point of application. The Opportunity A leading global professional services organisation is seeking an experienced AWS Solution Architect (Senior Manager) to join its high-performing cloud practice. This is an opportunity to work at the forefront of cloud transformation, partnering with tier-one clients across industries to design … compliance frameworks Implementing secure-by-design cloud environments Integration API design and event-driven architectures Hybrid and multi-cloud connectivity Non-Functional Design High availability, resilience, and scalability Disaster recovery and observability Governance & Compliance Cloud governance frameworks and cost control Auditing and compliance enforcement Desirable Skills AWS Specialty ...

DevOps Engineer - Mid or Senior

Hiring Organisation
Tank Recruitment
Location
City, London, United Kingdom
Employment Type
Permanent
Salary
GBP 50,000 - 85,000 Annual
Data Science, and National Security . My client is looking for a DV-cleared DevOps specialist to join a division dedicated to solving high-stakes challenges that drive genuine societal change. This is a rare opportunity for a cleared professional to step out of "legacy" environments and work with … Engineer ( 50k - 65k): You'll be the engine room of the deployment cycle-building robust CI/CD pipelines, automating AWS environments, and ensuring high-availability for complex AI solutions. Senior Engineer ( 65k - 85k): You will take a "player-coach" approach-architecting bespoke infrastructure, mentoring rising talent ...

Senior Infrastructure Engineer

Hiring Organisation
Context Recruitment Limited
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£75,000 - £80,000 per annum
Plan and execute migrations, including tenant-to-tenant Microsoft 365 and Active Directory consolidations Collaborate with managed service providers and internal teams to maintain high availability, security and compliance Support business continuity through proactive monitoring, incident management and disaster recovery planning Mentor and provide technical guidance to team ...

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 ...

Principal Network Solution Architect

Hiring Organisation
CACI Ltd
Location
City of London, London, United Kingdom
prospective customers (new logos). Engage with stakeholders from C-level executives to technical engineering teams , translating complex technical and business requirements into high‐level and detailed technical architectures. Provide expert consultancy on network strategy, transformation roadmaps, best practices, and emerging technologies. Build strong, long-term relationships that support … security technologies. Ensure all designs are scalable, resilient, secure, and aligned to customer requirements, technical strategy, and industry best practices Lead creation of high-quality architectural documentation, including HLA, HLD, LLD, standards, and design patterns. Ensure designs align with industry best practices, compliance requirements, and customer governance processes. ...

IT Manager Linux

Hiring Organisation
Colt Technology Services UK
Location
East London, London, United Kingdom
Employment Type
Permanent, Work From Home
responsible for supporting approximately 4000 Linux systems that underpin critical business applications. They will deliver solutions that meet stringent security, compliance, and availability requirements while troubleshooting complex issues and driving operational excellence. What you'll do Lead and mentor a team of Linux engineers, fostering technical growth and collaboration. … infrastructure and related services. Develop and enforce operating procedures for secure and efficient system management. Design and deliver solutions that meet security, compliance, and high availability standards. Drive automation initiatives using Ansible and other tools to streamline operations. Oversee patching, hardening, and configuration management in line with best ...

Principal Engineer (.Net) - up to £100,000 + Bonus - Hybrid

Hiring Organisation
Involved Solutions
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£75,000 - £100,000 per annum
millions of customers. This role will focus on engineering leadership, modern architecture, cloud-native delivery and driving best practice across multiple teams within a high-scale digital environment. Responsibilities for the Principal .NET Engineer: Define and evolve engineering strategy, standards and best practices across your domain Lead technical direction … across multiple engineering teams and programmes Design and oversee delivery of large-scale, high-availability systems using modern Microsoft technologies Provide expert guidance on technical risk, architecture decisions and prioritisation Support Staff Engineers and delivery teams through hands-on technical leadership Drive adoption of DevOps, CI/ ...

Senior Data Engineer

Hiring Organisation
Bell Integration
Location
City of London, London, United Kingdom
Senior Data Engineer We’re looking for a Senior Data Engineer to lead the design and delivery of scalable, high-quality data integrations across our organisation. In this role, you’ll take ownership of building reliable, governed integration workflows using Azure Logic Apps and a range of modern Azure … play a key role in shaping our integration landscape, driving continuous improvement, championing DevOps best practices, and mentoring junior engineers to uphold high engineering standards. This is a remote position , with travel to Portsmouth and London as required (circa once per month) , including at least one monthly team-facing ...

SC Cleared AWS DevOps Engineer

Hiring Organisation
Lynx Recruitment Ltd
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
Salary negotiable
week in London Victoria About the Role We are seeking an experienced AWS DevOps Engineer for an inside IR35 contract role supporting a secure, high-profile programme. The role is hybrid, and the client operates their own payroll , covering employer National Insurance , so contractors can work on a straightforward … Responsibilities Design, build, and maintain AWS cloud infrastructure using DevOps best practices. Implement and support CI/CD pipelines and infrastructure as code. Ensure high availability, security, and performance across AWS environments. Collaborate closely with engineering, security, and delivery teams. Support automation, monitoring, and continuous improvement activities. Skills ...

SQL Server and Data Platform Engineer

Hiring Organisation
Clarksons
Location
London Area, United Kingdom
just database administration. We’re looking for an experienced SQL Server and Data Platform Engineer with strong SQL Server experience to join a high-performing team managing a hybrid data platform including SQL Server (2017–2025), Azure SQL, Cosmos DB, Azure Data Factory, and Power BI. What … reliable and easier to use What We’re Looking For Strong SQL Server experience in production environments Good understanding of performance tuning, indexing, and high availability Experience with upgrades, backups, and disaster recovery Some exposure to Azure SQL or cloud data platforms Interest in automation, scripting ...

Senior IT Support Engineer

Hiring Organisation
Vertech Group (UK) Ltd
Location
WC1E, Fitzrovia, Greater London, Euston, United Kingdom
Employment Type
Permanent
Salary
£55000 - £65000/annum + Bonus + Benefits
technologies including Exchange Online, Intune, Defender and Teams •Cloud infrastructure experience including AWS and Cloudflare •Strong troubleshooting and problem-solving skills •Experience supporting high-availability production environments •Able to work remotely with one day per month in Oxford •Willing to participate in a shared 24/ ...

Contract Observability Engineer

Hiring Organisation
Xpertise
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP 650 Daily
Real Time Observability Engineer | Contract | £650 INSIDE IR35 | Hybrid/Global Platform | High Performance Systems We are working with a global Real Time data platform operating across multiple markets and high-throughput trading environments. Key responsibilities Build and maintain application-layer observability components that aggregate and correlate telemetry … Develop telemetry pipelines for metrics, logs, and traces across Real Time distributed systems Extend low-level instrumentation approaches where required, including Kernel-level or high-efficiency data capture techniques What you bring Strong software engineering background building observability, telemetry, or distributed data systems Experience with Real Time or streaming ...

Site Reliability Engineer (Bare Metal Infrastructure)

Hiring Organisation
Hunter Bond
Location
London Area, United Kingdom
most technically advanced teams in the country Heavy investment in cutting-edge and next-gen tech Flat structure, low ego, high talent Startup-style ownership backed by major resources Real autonomy to build, improve and automate The Role You’ll sit within an elite Linux-focused infrastructure team responsible … designing and running large-scale, high-availability systems. This is hands-on engineering. You’ll be: Building and evolving resilient, multi-petabyte infrastructure Writing Python to automate anything manual or repetitive Working closely with engineers across the business to improve reliability and performance Enhancing observability, monitoring and system ...

AWS Data Engineer

Hiring Organisation
83zero Limited
Location
East London, London, United Kingdom
Employment Type
Permanent
Salary
£70,000
Sector & Government Client Build the Data Infrastructure That Powers the Public Sector We are looking for experienced Data Engineers to join a long-standing, high-impact public sector partnership. This isn't just about moving data; it's about modernizing essential services and delivering secure, reliable data products … integration solutions (both batch and near-real-time). Build & Optimize: Develop and improve end-to-end data pipelines-from ingestion to curation-ensuring high availability through rigorous monitoring and alerting. Collaborate: Work closely with product teams and client stakeholders to align technical decisions with cost, performance ...

Senior Software Engineer

Hiring Organisation
Understanding Recruitment
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£165,000 - £185,000 per annum
Have you built low-latency, high-performance systems and want to work at the cutting edge of crypto trading infrastructure? Senior Software Engineer (C++) - Crypto Trading Salary: up to £185k + bonus + RSUs Location: Fully Remote We are delighted to be continuing our partnership with a globally established … mission to accelerate global crypto adoption, and are looking for experienced C++ Engineers to help build one of the most scalable, secure, and high-performance trading platforms in the market. You'll join a globally distributed Trading Technology team, working on critical backend services including matching engines, market data ...

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 ...

AWS Solution Architect

Hiring Organisation
Anson Mccade
Location
Central London, London, United Kingdom
Employment Type
Permanent, Work From Home
centre exits and legacy modernisations. Drive data/AI innovation, security best practices, cost optimisation, and compliance; mentor teams and engage senior stakeholders. Ensure high availability, scalability, and resilience; produce documentation and support CICD/DevOps pipelines. Candidate Profile Proven hands-on AWS experience (Solutions Architect Professional/ ...