Principal Mechanical Design Engineers Salary: Competitive depending on experience Location: Hertfordshire (We may be able to offer a relocation package for this role) Dynamic (hybrid) working: 2-3 days per week on-site due to workload classification Security Clearance: British Citizen or a Dual UK national with British citizenshipRole Requirements: A Degree, HND, or HNC in Mechanical Design or a related field, with significant experience in Mechanical Design and Development. Ability to lead mechanical design tasks and work within multi-disciplinary teams. Knowledge of proving and qualification activities to ensure compliance. Strong experience using design methods like DFMEA, DFA, and DFM. Excellent communication skills, both written and verbal, with the ability to influence others. Experience working with suppliers and internal/external teams. Awareness of cultural differences and the ability to adapt. A positive, professional attitude with strong organizational skills to manage multiple tasks. Knowledge of structural, thermal, or dynamic analysis is a plus. Experience with 3D CAD/CAE (training will be provided for preferred tools). Some travel within the UK and occasionally to Europe may be required. Benefits Package: Company bonus: Up to £2,500 (based on company performance and will vary year to year) Pension: maximum total (employer and employee) contribution of up to 14% Overtime: opportunity for paid overtime Flexi Leave: Up to 15 additional days Enhanced parental leave: offers up to 26 weeks for maternity, adoption and shared parental leave. Enhancements are available for paternity leave, neonatal leave and fertility testing and treatments. Facilities: Fantastic site facilities including subsidised meals, free car parking and much more… Training and Development: Excellent career progression, training and career development opportunities If you feel this role is suitable please contact me on (phone number removed) or alternatively send a copy of your cv to my email address: (url removed)