Principal Engineer

Principal Engineer – Mechanical / Aerospace Systems An advanced engineering organisation operating in a highly regulated sector is seeking a Principal Engineer to lead technical development projects within its engineering function. This role blends hands-on engineering expertise with project leadership, playing a key part in delivering complex, safety-critical products. You’ll work closely with internal teams and external partners, driving technical direction while ensuring projects meet performance, quality, and certification requirements. This is a senior, delivery-focused role requiring strong technical judgement, stakeholder coordination, and the ability to balance engineering rigour with programme timelines. Key Responsibilities Lead and manage technical development projects aligned to product and R&D strategy Provide strategic technical direction and support the growth of internal engineering capability Coordinate cross-functional teams and external partners to deliver project milestones Own project status reporting across schedule, quality, deliverables, and cost Support proposal development and contribute to customer and supplier engagements Participate in and lead design reviews, technical meetings, and certification activities Prepare, review, and approve engineering documentation, including design and certification submissions Approve engineering drawings and modifications using CAD and data management systems Contribute to the development of engineering tools, processes, and continuous improvement initiatives Ensure compliance with safety standards, engineering governance, and company procedures Requirements Degree in Mechanical Engineering or a related discipline (Master’s level desirable) Strong experience designing electromechanical systems, mechanisms, or actuation systems Proven background in highly regulated industries (e.g. aerospace, defence, or similar) Deep understanding of engineering fundamentals including materials, mechanisms, and reliability Experience with 3D CAD tools (Creo preferred) and engineering drawing standards (e.g. BS8888, GD&T) Knowledge of manufacturing processes for precision-engineered products Experience with product testing, qualification, and certification processes Familiarity with relevant industry standards (e.g. environmental and qualification standards) Strong communication skills with the ability to work across multidisciplinary teams Able to manage workload independently while delivering to tight deadlines What’s Offered Competitive salary (dependent on experience) Benefits package including pension and healthcare Opportunity to work on complex, high-value engineering programmes Collaborative environment with scope for technical leadership and progression