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Engineering 2 Information Technology 1
Outside IR35 Contractor principal mechanical design engineer

3 principal mechanical design engineer jobs found

CL
Jul 25, 2026  
Senior Structural Engineer
Senior Structural Engineer - Data Centre Projects Beckenham | Hybrid Working (2-3 Days Office) £39-£44 per hour 6-Month Contract (Temporary) | Outside IR35 An exciting opportunity has arisen for an experienced Senior Structural Engineer to support the delivery of a major data centre development within a specialist structural engineering consultancy. This Senior Structural Engineer role is ideal for someone who enjoys leading technically complex structural projects, managing client relationships and delivering practical engineering solutions from design through to construction. The successful Senior Structural Engineer will take ownership of a major long-term data centre project, working closely with clients, contractors and multidisciplinary teams while providing technical leadership throughout the project lifecycle. The Role As a Senior Structural Engineer, you'll be involved in: Leading the structural design and delivery of a major data centre project Producing...
IR35 Status:
Outside IR35

CV-Library Beckenham, London Contractor
CL
Jul 21, 2026  
Senior Software Engineer
Lead Backend Software Engineer – Data Services Federated Data Services | Distributed Systems | Apache Spark | DataFusion | Python | Kubernetes Location: London (2 days per week onsite) Rate: £700–£800 per day (Outside IR35) Duration: Initial 6-month contract with likely extension Overview We're looking for an experienced Lead Backend Software Engineer to join a high-profile programme building secure, cloud-native data services that will support data-driven research and innovation at national scale. This is a founding engineering role, offering the opportunity to shape the architecture, engineering standards, and core data services from the ground up. Working closely with the Engineering Manager and a small team of senior engineers, you'll establish the technical foundations for a complex federated data platform operating within a highly regulated environment. We're looking for someone who enjoys building from first principles, thrives in ambiguity, and can balance strategic...
IR35 Status:
Outside IR35

CV-Library London, UK Contractor
CL
Jul 19, 2026  
Lead Process Engineer
Our client is currently looking for a Lead Process Engineer for a site based in Peterborough, the position will be Outside IR35 on a long term contracting basis with the work being in the clean water industry. Candidate will be responsible for the Process design of clean water pumping stations, dosing packages and control systems to achieve the goal of the end client, you will also be performing process calculations, hydraulics, unit processes including control valves sizing and selection, pump calcs, capacity canulations and water quality assessments. The client is looking for candidates that have a history of Process Engineer in regulated industries specifically within the Clean Water industry and have Water treatment experience and system control experience. During the role you will be ensuring all technical work is undertaken to the correct standards & specifications and ensuring all the requirements of MAS are adhered to & challenge when applicable. Candidates must...
IR35 Status:
Outside IR35

CV-Library Peterborough, Cambridgeshire Contractor
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