Security Engineer

This position is at Grupo Oesia

The selection process will be fully managed by Grupo Oesia.

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**¡At Oesia Group, we are growing!** We would like to count on you for our next job offer: We are looking for **a Security Engineer** to join an important Project located in **Madrid** in **Hybrid** job modality. ### What are we looking for? * **An/a Security Engineer**, with at least 3 years of experience. * Availability to join a stable project in Madrid. * Work Model: Hybrid * Work Schedule: Complete ### Requirements: * Degree in engineering, mathematics or physics. * Knowledge in cryptography. * Master's degree or PhD in Computer Security is a plus. * Experience in cryptologic certification is a plus. * Valuable experience implementing cryptographic algorithms. * Valuable experience implementing cryptography in software products. ### What will your responsibilities be? * Design, analysis and certification of cryptographic devices (both theoretical and practical). * Support to the implementation of cryptography * Participate in R&D projects related to the area. * You will be given the opportunity to keep up to date on related developments. ### What we offer you? * Work in a multinational company recognized as one of the best companies to work for in 2025, according to *Actualidad Económica and Forbes*. * Stable and innovative technological projects for leading national and international clients. * Career plan: we offer an attractive professional career based on experience and personal potential within a continuously evolving company with solid growth. * Free access to various training platforms, providing you with a wide multidisciplinary catalog. * Flexible compensation. * An equal, diverse company with great Corporate Social Responsibility. * A positive, healthy, and cooperative work environment. Teamwork is the cornerstone of the company's project successes. ### Have you heard of us? With **over 3.800 professionals in 20 corporate offices** across Spain, Brussels, Latin America, and Asia, it generates **quality employment and helps people grow** in technical careers. **Grupo Oesía** is a Spanish multinational company dedicated to dual-use digital and industrial engineering, developing and implementing projects worldwide. **Cipherbit-Grupo Oesía** is the first Spanish brand specifically dedicated to **cybersecurity** and the development of **secure communication products (encryption)**, certified by the CCN and NATO. This division of Grupo Oesía is focused on the **national and international environment** of Armed Forces, Public Administrations, and critical infrastructures, thereby reinforcing **Europe's strategic autonomy in cyber defense**.

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