Our client, a leader in the Defence & Security sector, is currently seeking a Principal Engineer - Mechanical Engineer (Platform Equipment) to join their dynamic team in Barrow. This contract role offers a hybrid working arrangement, requiring 2-3 days per fortnight on-site. Key Responsibilities: Assisting in the production of estimates and the creation of design requirement specifications Developing, promoting, and sharing new technologies for implementation across various businesses and programmes Acting as the engineering, technical, or design authority for a sub-system or Line Replaceable Unit (LRU) Problem solving Experience in cooling systsm, HVAC, mechanical design, heat transfer Job Requirements: Solid experience in mechanical engineering, particularly within the defence and security sector Ability to assist in the creation of design requirement specifications and production estimates Proven track record of developing and promoting new technologies Experience acting as an engineering or technical authority Security Clearance (SC) level required If you are a skilled mechanical engineer with experience in the defence sector, and are ready for a challenging role that allows you to contribute to cutting-edge technology, we encourage you to apply now. Join our client's esteemed team and make a significant impact in the world of defence and security...