At Grupo Oesía, we drive high-impact technological projects across strategic sectors such as defense, aerospace, security, and digital modernization.

We’re looking for a Systems Engineer to join an innovative, high-profile project based in Madrid, working in a on-site model within a stable, forward-thinking, and collaborative environment.

Experience: 5 years as a Systems Engineer in defense, aerospace, or other high‑criticality environments.

Bachelor’s or Master’s degree in Systems Engineering, Electronics, Telecommunications, or related fields. Bachelor’s or Master’s degree in Systems Engineering, Electronics, Telecommunications, or related field.

- 2 years of experience in systems engineering within defense, aerospace, or high-reliability environments.
- Strong understanding of requirements engineering, model-based systems engineering (MBSE), and systems architecture.
- Familiarity with embedded systems, firmware/software integration, and communication protocols.
- Fluent in English; Spanish is a plus.

Coordinate and lead system integration activities across hardware, firmware, and software domains.

Develop and maintain technical specifications, interface control documents (ICDs), and system design descriptions.

Support verification and validation (V&V;) processes,



including test planning, execution, and reporting.

Collaborate with project managers, engineering teams, and clients to ensure technical coherence and delivery milestones.

Participate in risk analysis, trade-off studies, and design reviews.

Contribute to continuous improvement of systems engineering processes and tools.

Stable and innovative technological projects for leading national and international clients.

Free access to various training platforms, providing you with a wide multidisciplinary catalog.

An equal, diverse company with great Corporate Social Responsibility.

Teamwork is the cornerstone of the company's project successes.

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.

📌 System Engineer (Telecommunications) (Madrid)
🏢 Grupo Oesia
📍 Madrid