Job Description As a Flowmaster Fluid Engineer, you will join Derby team to support our activities within the Nuclear sector. As a Flowmaster Fluid Engineer, you will support the analysis and design of complex fluid and thermal systems, using Flowmaster to perform detailed system modelling and performance assessments. You will play a key role in supporting system design development, working closely with mechanical, systems, safety, and integration engineering teams. Location: Derby On Site: 1 day / Remote Clearance: BPSS Experience Level: 5-10 Key Responsibilities: Perform advanced thermal analysis and flow simulations using Flowmaster. Carry out pressure drop, heat transfer, and system performance calculations. Develop and validate models to support complex system designs. Collaborate with cross-disciplinary engineering teams (mechanical, systems, safety, and integration). Ensure all work is delivered to the highest technical and regulatory standards. Contribute to design reviews, technical reports, and project milestones.