Job Summary: We are seeking a Senior Avionics Hardware Systems Engineer to lead hardware architecture definition and requirements management in strategic aeronautical projects. Key Highlights: 1. Key participation in strategic aeronautical projects (SANTAM) 2. Real technical impact on the design of certifiable critical systems 3. Highly specialized environment with a technical career development plan **Location:**Sevilla, AN, ES **Professional Profile:** Defence and Security PyS **Required Experience:** More than 2 years of experience **Work Modality:** Hybrid At Indra Group, we protect what matters most. We lead the development of cutting-edge technological solutions that reinforce national and international security. **Join our strategic aeronautical projects!** As part of our positioning as a leading company in the Aerospace and Defence sector, we seek to incorporate a **Senior Avionics Hardware Systems Engineer**, to participate in the **SANTAM project**, assuming a key role in **hardware architecture definition**, requirements management, and regulatory compliance assurance for critical avionic systems. What will you do? * Define the **hardware architecture** of aeronautical electronic systems. * Specify, manage, and maintain **hardware requirements traceability**. * Participate in **safety analyses** and support safety processes (ARP4754 / ARP4761\). * Provide technical supervision of **hardware design** throughout its entire lifecycle. * Act as the **technical design focal point**, coordinating with other engineering teams. * Ensure compliance with **DO‑254 (up to DAL‑B)** and associated standards. * Manage and review **technical evidence** and lifecycle data. * Participate in technical reviews (PDR, CDR, TRR, FDR). * Collaborate with verification, certification, and quality teams. What are we looking for in you? It is not necessary to meet 100% of the requirements. We want to get to know you and understand what you can contribute. ✅ Degree in **Electronic Engineering** or equivalent. ✅ Experience in developing **aeronautical hardware systems**. ✅ Solid experience in **hardware architecture and requirements definition**. ✅ In-depth knowledge of **aeronautical regulations and safety-critical design standards**. ✅ Analytical capability, functional decomposition, and rigorous technical writing skills. Technical Knowledge * **Regulations and standards**: DO‑254, DO‑160, ARP4754, ARP4761, MIL‑STD, ED‑153, ED‑109, EN‑50128\. * **Traceability** and lifecycle management. * **Digital architectures**, communication buses, and programmable logic. * Electronic design and high-frequency conversion. * Functional integration and interpretation of system specifications. * **IPC** regulations and manufacturability criteria. Functional Knowledge * Generation of **test documentation** (plans, procedures, reports). * Documentation per development phase (PDR / CDR / TRR / FDR). * Analysis of **requirements vs. test consistency**. * System architecture and solutions in Defence and Aerospace. Valued Tools * **DOORS, JAMA**, or other requirements management tools. ✅ High technical rigor and regulatory compliance orientation. ✅ Technical leadership capability and cross-functional communication. ✅ Availability to work in **Sevilla**, in **hybrid mode**. The Project You will join the **SANTAM Project**, focused on developing **high-criticality avionics hardware systems**, where **architecture, requirements traceability, and certification** are key elements for delivering safe, robust, and certifiable solutions. You will work in a **highly specialized environment**, with direct impact on real aeronautical systems. What We Offer * **Stability and future** ✨: Long-term aeronautical projects within a leading company. * **Real technical impact**: Design of certifiable critical systems. * **Expert environment**: Collaboration with senior and highly specialized professionals. * **Flexibility**: Hybrid work modality. * **Technical career plan**: Professional development aligned with critical systems and architecture. * **Continuous training**: Open University and Udemy for Business (\+6\.000 courses). * **Benefits and discounts**: Leisure, wellbeing, and flexible compensation. * **Competitive remuneration**, commensurate with experience and responsibilities. What does our selection process look like? Profile review * Initial contact (5‑10 min) * Talent Attraction interview * Technical interview * Offer and welcome * * ️ **Estimated duration**: 2 weeks. *We are committed to fostering workplaces where individuals are treated with respect and dignity, promoting professional development of our staff and guaranteeing equal opportunities in selection, training, and promotion, offering a work environment free from any discrimination based on gender, age, disability, sexual orientation, gender identity or expression, religion, ethnicity, marital status, or any other personal or social circumstance.* INDRA is a **Top Employer 2025** company! Join a company certified as one of the best employers in Spain, thanks to our comprehensive HR management and the conditions offered to our professionals.