Quest Global is an organization at the forefront of innovation and one of the worlds fastest growing engineering services firms with deep domain knowledge and recognized expertise in the top OEMs across seven industries. We are a twenty-five-year-old company on a journey to becoming a centenary one, driven by aspiration, hunger and humility. We are looking for humble geniuses, who believe that engineering has the potential to make the impossible, possible; innovators, who are not only inspired by technology and innovation, but also perpetually driven to design, develop, and test as a trusted partner for Fortune 500 customers. As a team of remarkably diverse engineers, we recognize that what we are really engineering is a brighter future for us all. If you want to contribute to meaningful work and be part of an organization that truly believes when you win, we all win, and when you fail, we all learn, then were eager to hear from you. We are looking to expand our Design Engineering capability in all levels of experience and are keen to hear from you if you feel youre ready to take the next step in your career. You must be a Sole UK National and qualify for Security Clearance. Job Description The Senior Design Engineer is responsible for leading the development and delivery of detailed engineering designs across complex and multi-disciplinary projects. This role involves producing high-quality technical documentation, ensuring compliance with engineering standards and project requirements, and mentoring junior design staff. The Senior Design Engineer will act as a technical authority within their discipline and contribute to design strategy, integration, and assurance. Key Responsibilities: Lead the preparation of detailed engineering designs, drawings, models, and specifications to support project delivery. Oversee the design lifecycle from concept through to manufacturing, installation, and commissioning. Ensure design solutions meet applicable standards, safety requirements, and client specifications. Produce and review design documentation, including calculations, technical reports, risk assessments, and design justifications. Coordinate with multi-disciplinary teams (e.g., mechanical, electrical, structural, systems) to ensure design integration and functionality. Review and approve designs produced by other team members and subcontractors. Conduct design reviews, participate in HAZOPs and design assurance activities. Support project planning activities, providing technical input into schedules, cost estimates, and resource requirements. Mentor and develop junior engineers and CAD designers, promoting best practices and continuous improvement. Work Experience Qualifications & Experience Degree-qualified in a relevant engineering discipline (e.g., Mechanical, Electrical, Civil, or Systems Engineering ). Chartered Engineer (CEng) status or working towards it (preferred). Typically 8 years experience in engineering design, ideally within a regulated industry (e.g., nuclear, defense, aerospace, marine). Proficient in CAD and 3D modelling software (e.g., SolidWorks, AutoCAD, Inventor, Revit). Strong understanding of relevant design standards, regulatory frameworks, and configuration control processes. Experience producing design deliverables within structured quality and project management systems. Excellent communication, documentation, and stakeholder engagement skills. Desirable Attributes: Experience with design governance frameworks (e.g., Design authority processes, etc.). Understanding of document management systems. Familiarity with design for manufacture, installation, and maintainability Previous experience in roles requiring security clearance or working within MOD/defense frameworks. ADZN1_UKTJ