Principal Mechanical Engineer

Principal Mechanical Engineer | Gosport, United Kingdom | Hybrid | £54,500

We're hiring on behalf of a globally recognised leader in defence, aerospace, and security solutions, dedicated to pioneering progress and protecting what matters most. This organization is at the forefront of advanced, technology-led solutions, shaping a safer future through innovation and expertise.

The Role

• Provide comprehensive mechanical engineering support for a variety of platform systems, including fluid, hydraulic, HVAC, firefighting, propulsion, and mechanical drive systems.
• Ensure design integrity, investigate system impacts, and deliver safe, well-integrated engineering solutions across diverse naval platforms.
• Collaborate with stakeholders such as MOD teams, overseas navies, OEMs, and project groups to capture and guide system requirements.
• Lead structured analysis, maintain configuration control, prepare authoritative safety evidence, and act as a primary technical contact.
• Offer effective line management for a team of engineers, ensuring clear leadership, performance oversight, and professional development.
• Apply mechanical engineering knowledge across multiple platform systems, sub-systems, and equipment.

What You'll Need

• Broad knowledge of complex platform systems across UK and international markets.
• Good understanding of applicable industry standards and governance frameworks (e.g., CSM, LCM).
• Proven ability to apply mechanical engineering knowledge rapidly and confidently to diverse projects.
• Experienced professional engineer at CEng level or equivalent capability.
• Experience in providing technical leadership and specialist expertise across platform systems.
• Familiarity with security and export control restrictions, with the ability to achieve Baseline Personnel Security Standard.

What's On Offer

• Competitive salary of circa £54,500, dependent on experience, plus a bonus scheme.
• A hybrid working arrangement offering flexibility.
• Opportunities for lifelong learning and professional development within a supportive culture.
• The chance to work on impactful projects shaping a safer future.
• A commitment to building an inclusive workplace where everyone thrives.

Apply via Haystack today!