Principal Mechanical Engineer

Principal Mechanical Engineer | Southsea, United Kingdom | Hybrid | Circa £54,500 This employer is a leading force in advanced technology-led defence, aerospace, and security solutions, recognised globally for its commitment to innovation and shaping a safer future. They offer a dynamic environment where complex challenges are met with cutting-edge engineering, providing opportunities to contribute to impactful projects across diverse domains. The Role • Provide comprehensive mechanical engineering support across a wide range of platform systems, including fluid, hydraulic, HVAC, firefighting, propulsion, and mechanical drive systems. • Lead structured analysis, maintain configuration control, and prepare authoritative safety evidence for diverse naval platforms. • Act as a primary technical contact for a range of programmes, ensuring design integrity and delivering safe, well-integrated engineering solutions. • Manage a team of engineers, providing clear leadership, performance oversight, and professional development. • Collaborate closely with stakeholders, including government teams, overseas navies, OEMs, and project groups, to capture and guide system requirements. • Apply mechanical engineering knowledge across multiple platform systems and sub-systems, operating within various governance and assurance frameworks. What You'll Need • Broad knowledge of complex platform systems across UK and international markets. • A good understanding of applicable industry standards and governance frameworks. • Proven ability to apply mechanical engineering knowledge quickly and confidently to diverse projects. • Experienced professional engineer at CEng level or equivalent capability. • Experience in providing effective line management for a team of engineers. • Familiarity with secure environments and the ability to obtain necessary security clearances. What's On Offer • Competitive salary circa £54,500 with a potential bonus scheme. • Hybrid working arrangements for a balanced lifestyle. • Opportunities for lifelong learning and professional development. • A supportive culture where contributions are recognised and valued. • The chance to work on high-impact projects shaping a safer future. Apply via Haystack today!