We are a UK-based engineering company delivering complex, bespoke mechanical systems for clients across the globe. With the majority of our projects based in the US and UK, we operate at the forefront of precision engineering in high-performance, heavy industry environments. We are now looking for an experienced Senior Mechanical Design Engineer to join our team and play a key role in delivering multiple high-value engineering projects. The Role This is a hands-on, senior-level position where you will take ownership of multiple projects simultaneously, working across the full lifecycle from concept through to installation. You'll be operating in a fast-paced, high-pressure environment, collaborating with multidisciplinary teams while managing up to 10-15 projects at various stages. What You'll Be Doing Designing complex mechanical systems and assemblies Developing and refining hydraulic systems Working closely with electrical engineers on control systems integration Producing detailed manufacturing drawings and technical documentation Managing projects from concept through to installation Supporting fabrication and providing input during on-site installation Liaising with clients, suppliers, and internal teams Driving continuous improvement and engineering excellence What We're Looking For 10-15 years' experience in mechanical design within complex industrial environments Background in heavy industry, structural engineering, or moving mechanical systems Strong understanding of: Hydraulics Automation and machinery Control systems Proven ability to manage multiple concurrent projects Hands-on, practical engineering mindset Strong problem-solving and decision-making skills Experience with Autodesk Inventor and AutoCAD preferred Stable career history with solid tenure in previous roles (typically 3-4 years) What You'll Get 23 days holiday bank holidays Flexible working hours (core hours with flexitime) 40-hour week, Monday-Friday No overtime expectation Paid travel, including accommodation and subsistence when on-site Life insurance Private medical insurance (including spouse cover) Opportunity to work on unique, global engineering projects Additional Info Occasional international travel required Majority of work focused in the US (approx. 80%), with UK-based projects also High-performance, delivery-focused environment If you're an experienced engineer who thrives on variety, ownership, and technically challenging work, this is an opportunity to make a real impact