Do you want to join a company that places people at the heart of its concerns? We are waiting for you at ExtiaSince 2007, Extia, an IT consulting firm, has been offering a unique approach in its field, combining well-being at work and performance. A successful model: more than 3000 Extians working in 20 agencies in France and abroad, 3rd Great Place To Work in France.At Extia, we follow a very simple yet effective philosophy: \"First who, then what\" So let's do it together?First, WhoYou are a highly specialized expert in radio frequency security with a strong R&D; mindset. You possess deep problem-solving skills, excellent technical documentation abilities, and thrive in environments that bridge the gap between academic research and industrial application.Then WhatYou will spearhead RF Security initiatives, focusing on the identification of attack vectors, vulnerability analysis, and the development of defense mechanisms. By leveraging Software Defined Radio (SDR) technologies, you will design, test, and document cutting-edge applications to secure wireless protocols and critical infrastructures.Key ResponsibilitiesConduct Research and Development activities focused on RF Security, including attack vectors, vulnerability analysis, and defense mechanisms.Design and develop advanced RF applications using Software Defined Radio (SDR) platforms.Contribute to the drafting of high-level technical documentation and research reports to detail experimental findings and results.Utilize specialized laboratory instrumentation for rigorous RF security testing and analysis.Key RequirementsMaster's Degree in Electronic Engineering, Telecommunications, or Computer Science (with 3+ years of experience in RF Security) or a PhD in the same fields (with 2+ years of experience).Hands-on experience in designing and programming RF transceivers on SDR platforms (e.g., GNU Radio) using Python, C, and C++.Strong background in Network Security, Applied Cryptography, and formal