The Senior Marine Specialist is responsible for providing subject matter expertise related to designing and delivering in-service support for ships built under the National Shipbuilding Strategy (NSS) and other customer fleets. Reporting to the Senior Manager, In-Service Support, the incumbent will work closely with engineers, Integrated Logistics Support specialists, supply chain management, suppliers, customers and end users. The role will mainly focus on support provided to the Royal Canadian Navy (RCN) and the Canadian Coast Guard (CCG), spanning all phases of the vessel and equipment lifecycle from concept design through development, build, transition-to-service, warranty and in-service support. The incumbent will increase the quality and pace of delivery, ensuring that all support solutions are aligned with customer requirements, regulatory standards, and broader organizational goals.