Sergio Antunes is an experienced Chief Systems Engineer at MBDA since June 2008, overseeing a team of 5 to 8 system engineers and responsible for the overall functional architecture of a family of anti-ship missiles. Key responsibilities include defining tools and models for system design and performance evaluation, managing system requirements, verification and validation strategies, and preparing performance documentation and system tests. Prior roles at MBDA include Functional System Architect and System Modelling and Performance Engineer, focusing on system architecture definition, specification writing, and performance validation in international contexts with frequent collaboration with UK teams. Prior to MBDA, Sergio worked as a Calculation Engineer at Altran and completed an internship in structural calculations at Astrium. Educational qualifications include studies at ISAE-ENSMA and Lycée Pierre Corneille - Rouen.