5 senior systems engineer jobs found

Senior Systems Engineer – Microsoft & VMware   £400–£500 per day | Outside IR35 6-month contract with extension potential Hybrid working   Join a globally recognised MedTech and life sciences organisation whose technology supports scientific innovation, diagnostics and products that improve human health. With operations spanning multiple countries, this is an opportunity to work within a complex global enterprise infrastructure environment.   This is a hands-on Senior Infrastructure Engineer role focused on VMware and Microsoft enterprise infrastructure , including Windows Server, Azure, Active Directory/Entra ID, Microsoft 365 and Dynamics. A key focus will be supporting a major tenant-to-tenant migration , alongside wider infrastructure transformation and global site transitions across cloud and on-premises environments.   This is a fantastic opportunity for a seasoned infrastructure...

Senior Systems Engineer – Microsoft & VMware (Multiyear migration)   £450–£550 per day | Outside IR35 6-month contract with extension potential Hybrid working   Join a globally recognised MedTech and life sciences organisation whose technology supports scientific innovation, diagnostics and products that improve human health. With operations spanning multiple countries, this is an opportunity to work within a complex global enterprise infrastructure environment.   This is a hands-on Senior Infrastructure Engineer role focused on VMware and Microsoft enterprise infrastructure , including Windows Server, Azure, Active Directory/Entra ID, Microsoft 365 and Dynamics. A key focus will be supporting a major tenant-to-tenant migration , alongside wider infrastructure transformation and global site transitions across cloud and on-premises environments.   This is a fantastic opportunity for a...

Senior Backend Engineer - Node.js/TypeScript 12-Month Contract | Fully Remote | Outside IR35 We're looking for a Senior Backend Engineer to join an exciting fintech business, working on highly scalable, mission-critical financial systems. The role is heavily focused on Node.js, TypeScript and AWS , with genuine ownership across the full lifecycle — from system design and architecture through to development, release and production support. You'll have the opportunity to work on new products and capabilities from an early stage , making key technical decisions and helping shape how the platform evolves. What you'll be working on Design, build and operate reliable, scalable Back End services Own areas of the platform, including architecture and technical direction Build resilient APIs and distributed systems within a regulated financial environment Work with AWS serverless technologies , including Lambda, SQS, EventBridge and API Gateway Work with MongoDB and...

Lead Software Engineer - C#/.NET/SQL Remote + adhoc onsite in South West Outside IR35 Start ASAP C# | .NET | SQL Server | PowerShell | Azure Data Factory We're looking for a strong Senior or Lead Software Engineer to join a small, experienced development team responsible for a range of business-critical applications and systems. This is a hands-on engineering role combining application development with complex data and problem-solving. You'll be working across C#/.NET applications, SQL Server databases and system integrations, getting underneath issues to understand not just the code, but the data and business processes behind it. The Role Develop and maintain applications using C#, .NET and SQL Server Investigate and troubleshoot issues across both application and database layers Work with complex relational and transactional data Understand how data flows between different systems and identify underlying issues Work directly with internal stakeholders to...

Senior AI Engineer (BioTech/Pharma) Outside IR35 Contract £600 - 700pd Hybrid, Oxford 6 Months Harvey Nash are working with an exciting consultancy who are looking to bring on a highly experienced AI Engineer to support on a crucial project within the BioTech/Pharma space. Industry domain knowledge would be beneficial. Key Technical Skills Required Senior Python engineer with strong production software engineering experience. Commercial experience building LLM, agentic AI or multi-agent systems. Hands-on experience with LangGraph, LangChain, Haystack or similar frameworks. Proven ability to deploy AI/ML systems into production environments. Strong knowledge of inference, latency, performance, data pipelines, memory and tool/function calling. Experience with large-scale search and retrieval, including embeddings, indexing and querying multi-modal datasets. Confident with Docker, Git and cloud platforms, ideally AWS. Understanding of secure deployments,...