Mechanical Design Engineer Location: Sunderland We are seeking a Mechanical Design Engineer with experience in live, customer-focused projects. The successful candidate will be responsible for designing gas, hydraulic, and process systems from first principles and producing instrumentation pipe-work schematics (P&ID’s), fabrication drawings, system designs, and GA drawings using 2D and 3D CAD packages. What you will be doing: Concept system design, including circuits, pumps, tooling, and fabrication. Produce engineering calculations covering thermodynamics, mechanical design, material compatibility, flow, volumetric pressure, and power consumption. Develop P&ID drawings, bills of materials (BOM), detailed fabrication drawings, and general arrangement (GA) drawings using AutoCAD & Autodesk Inventor. Ensure compliance with ISO standards, CE marking, PED, and ATEX/IECEx directives. Lead design reviews and liaise with customers to outline and finalize design concepts. Assist manufacturing with commissioning, both on and off-site, and support continuous improvement initiatives. Be prepared to travel globally for project requirements. What We’re Looking For: Engineering-related degree (Mechanical, Process, or similar). Strong CAD skills (AutoCAD, Autodesk Inventor). Excellent problem-solving, communication, and teamwork skills. Ability to work under pressure and meet project deadlines. Commercial awareness and customer-facing experience. This is a fantastic opportunity to join a dynamic team and work on innovative and complex engineering projects