Job Description Senior Design Engineer – Submarines Full-Time Glasgow/Hybrid (3 day/week in the office) An exciting opportunity has arisen for a Senior Design Engineer to join our Component Engineering team in Glasgow. As a Senior Mechanical Design Engineer you will be creating component / assembly / systems designs and associated through-life justification that meet the customer requirements and product attributes of life, cost, availability, and safety margins. Why join Rolls-Royce? At Rolls-Royce we are proud to be a business that has truly helped to shape the modern world and are committed to always being a force for progress; powering, protecting and connecting people everywhere. By joining Rolls-Royce, you'll have the opportunity to work on world-class solutions, supported by a culture that believes individuality is our greatest strength, and all perspectives, experiences and backgrounds help us innovate and enable our high-performance culture. What you will be doing: You’ll provide through-life design and substantiation of pumps, valves, pressure vessels, and pipework installations against challenging safety constraints (to ASME III/VIII Standards), in support of the Royal Navy’s nuclear submarine fleet, applying your technical knowledge, expertise, and engineering judgement. You will also: Create Full Life Cycle Design solutions through concept, design, manufacture, operation and disposal Integrate cross-discipline engineering concepts, collaborating across engineering, manufacturing and supply chain functions. Document and verify information against sound mechanical engineering practices and references. Present at technical reviews in front of peers and expert panels. Publish safety and technical reports that detail robust design substantiation, which are subjected to customer and regulatory scrutiny. Position Qualifications: To be successful in this role, we are looking for someone who is/has: Experienced Mechanical Design Engineer preferably with exposure to process plant, mechanical components, pressure vessels, boilers or assembly processes. CAD Design Software experience. Engineering Qualification or relevant experience (Chartered/Degree/HND/HNC/Apprentice Trained) Willingness to be flexible and multi-task as part of a team and contribute to company objectives. Excellent organisational and time management skills, able to prioritise workloads with competing deadlines. Additional desirable qualifications/experience: Pressure Vessel Design experience (ASME Section III/ASME VIII/ PD5500) Experience substantiating design requirements and authoring technical reports External Skills/Experience can be from industries such as Civil Nuclear, Marine, Defence, Aerospace, Petro-Chemical, Oil & Gas, Special Purpose Machinery, Automotive. For more than 60 years Rolls-Royce Submarines has designed, supplied and supported the nuclear propulsion plant, providing power for all UK Royal Navy nuclear submarines. To work for Rolls-Royce Submarines an individual must hold a Security Check clearance. We will support the application for Security Clearance if you don’t already have it. Due to the nature of work we conduct, we can only progress applications from individuals who are a UK national or, in MoD approved cases, a dual national. Our vision is to ensure that the excellence and ingenuity that shaped our history continues into our future. Our multi-year transformation programme aims to turn Rolls-Royce into a high-performing, competitive, resilient and growing company. Join us, and it can be your future vision too. Rolls-Royce are committed to being a respectful, inclusive, and non-discriminatory workplace where individuality is valued, diverse perspectives fuel innovation, and everyone can thrive. Please be aware that the priority will be given to employees identified as being at high risk. The professional level and the salary of the position will be dependent on the skills and experience of the successful candidate. It is advised that you inform your current manager of your application for this role. GRADE 7-10 Job Category Mechanical Systems Posting Date 05 Feb 2026; 00:02 Posting End Date 19 Feb 2026