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# Systems Engineer

- **Company:** Cipherbit-Grupo Oesía
- **Location:** Madrid, Spain
- **Contract:** Permanent contract
- **Skills:** Systems Engineering, Communications Protocols, Network Interface Controllers, Firmware, Verification and Validation (Software), Systems Architecture, Systems Integration
- **Published:** August 12, 2026
- **Apply:** https://es.trabajo.org/oferta-4021-0af7ad7f94ecf1718c1afd481153abfe

## About the Role

At Grupo Oesía, we drive high-impact technological projects across strategic sectors such as defense, aerospace, security, and digital modernization. And now… we'd love to have you on board 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. What we're looking for - Experience: 5 years as a Systems Engineer in defense, aerospace, or other high-criticality environments. - Education: Bachelor's or Master's degree in Systems Engineering, Electronics, Telecommunications, or related fields. Requirements: - Bachelor's or Master's degree in Systems Engineering, Electronics, Telecommunications, or related field. - 5+ 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. - Experience
with tools such as DOORS, Enterprise Architect, or Cameo Systems Modeler. - Familiarity with embedded systems, firmware/software integration, and communication protocols. - Fluent in English; Spanish is a plus. What will you do in this role? - Analyze and define system-level requirements, ensuring traceability throughout the development lifecycle. - Design and document system architectures, interfaces, and integration strategies. - 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. - Ensure compliance with industry



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