Join the Alten team and share your experience as a Security Engineer! At ALTEN, we firmly believe that the success of our projects stems from the people who make up our team. Therefore, if you have experience in Embedded Systems Security Engineering or Hardware/Software Product Security, we commit to nurturing your talent, meeting your professional expectations, and making you feel right at home. Keep reading! What tasks will you carry out? * Participate in the design of security architectures (two-factor authentication, data protection). * Collaborate on the validation of cryptographic algorithms (symmetric and asymmetric). * Develop and execute test and validation plans in secure environments. * Model systems using SysUML and document security specifications. * Support threat analysis (MITRE, OWASP) and risk assessment. * Collaborate on the integration of communication protocols and secure hardware (SPI, I2C, Ethernet, FPGAs, microcontrollers). * Work with requirements management tools (DOORS). What can we offer you? * Become part of a large, competitive, and continuously growing company. * Permanent contract * Integration into a highly qualified professional team, with a positive, innovative, and dynamic work environment. * Specialized training and continuous professional development. * Social benefits and flexible compensation plan. * Competitive remuneration. Who are we? We are a team. We belong to ALTEN, a European multinational specializing in providing consulting, information technology, and engineering services to leading companies in the Spanish market. If numbers interest you, we’ll tell you that in Spain we generate €337 million in revenue, operate from 10 offices, and employ 5,500 professionals. Moreover, at ALTEN we take pride in offering equal opportunities regardless of gender, age, disability, or country of origin. Our commitment lies with talent—and with the people who possess it. What are we looking for? * Degree in Computer Science, Telecommunications, Electronics, or related field. * Knowledge of computer architectures and microcontrollers. * Familiarity with symmetric and asymmetric cryptography. * Academic or initial professional experience in networking (IP stack) and communication protocols (SPI, I2C, Ethernet). * Knowledge of security standards: Common Criteria, ISO 19270. * Minimum English level: B2 JOB OFFERING DETAILS 12/11/2025 Madrid