Principal Mechanical Engineer

Principal Mechanical Design Engineer East Midlands, UK Advanced Engineering & Clean‑Tech Machinery Permanent Hybrid Salary depending on experience up to circa £70,000 with some flexibility Are you an experienced Mechanical Design Engineer looking to take the lead on complex, cutting‑edge engineering projects? We're supporting a pioneering engineering organisation developing next‑generation turbomachinery and high‑temperature process systems that are redefining industrial performance. They are now seeking a Principal Mechanical Design Engineer to lead major design workstreams and influence the mechanical architecture of state‑of‑the‑art machinery. The Opportunity In this senior position, you'll own the mechanical design of advanced rotating equipment and high‑temperature static structures. You'll define design requirements, drive design standards, and help shape engineering processes for a new era of industrial machinery. This role offers genuine technical challenge, autonomy, and the chance to make a meaningful impact on the future of high‑performance engineering. Key Responsibilities Lead mechanical design activities for complex turbomachinery components Produce detailed product definition using Siemens NX & Teamcenter PLM Carry out and oversee 1D calculations, 2D analysis, and 3D FEA (thermal, structural, modal, fatigue) Review and approve design work from other engineers Define subsystem requirements and ensure robust mechanical architecture Improve engineering tools, design methods, and best practices Present updates to senior stakeholders and mentor junior engineers Ensure compliance with BS, ASME, API, ISO and other relevant standardsWhat You'll Bring Significant experience in mechanical design Strong background in turbomachinery and/or high‑temperature structural components Expertise in high‑temperature alloys (nickel-based, stainless steels, etc.) Thermo‑mechanical design experience, including fatigue and life assessment First‑principles approach with strong analytical capability Proficiency in Siemens NX & Teamcenter PLM Strong communication and technical reporting skillsBeneficial: Degree in Mechanical/Aerospace Engineering (higher degree preferred) Chartered Engineer or working towards it Experience in fast‑paced R&D or developing emerging technologies Python or similar coding for workflow automationWhy Join? You'll be part of a forward‑thinking engineering business driving innovation in advanced machinery. Expect: Complex, meaningful engineering challenges Influence over system architecture and design standards A collaborative, international engineering environment Opportunity to help shape next‑generation, cutting edge industrial technologyHow to Apply Applications are reviewed on an ongoing basis. To register your interest please apply to this position with an up to date CV. This vacancy is being advertised by Belcan