Job Summary: We are seeking an Engineer with experience in Railway Interlockings to join an expert, dynamic team focused on critical railway solutions. Key Highlights: 1. Participation in SIL4 software development projects 2. Working in high-security environments with comprehensive technical vision 3. Opportunity for professional development and growth Overview: \#LI\-RM1 At Expleo Iberia, we drive technological innovation and engineering excellence, supporting our clients in transforming their products and processes. With two decades of presence in Spain and strategically located offices in major cities, we have a local team of over 350 professionals backed by a global network of 19,000 experts. Our commitment is to deliver engineering, quality, and management solutions covering the entire product lifecycle—from initial research and design through to final implementation. **We are looking for an Engineer with experience in Railway Interlockings!** Our team continues to grow, and we want to bring on board a professional with extensive experience in the railway sector—especially in the **interlocking product**. **What are we looking for?** ✔️ Minimum **5 years of experience** in the railway sector ✔️ Direct participation in **SIL4 software development projects** ✔️ Solid knowledge of **railway regulations** ✔️ Proven experience working with **agile methodologies (Agile/Scrum)** ✔️ Knowledge and proficiency in **multiple programming languages** (C, C\+\+, Python, Ada, or others used in safety-critical environments) ✔️ Ability to work in high-security environments and provide technical insight across the full product lifecycle **What do we offer?** The opportunity to join an expert, dynamic team focused on developing critical, highly reliable railway solutions. We champion innovation, quality engineering, and a collaborative environment where every individual’s contribution is valued. Benefits: At Expleo, we foster a collaborative workplace where we stand shoulder-to-shoulder with our clients and colleagues—celebrating achievements and jointly tackling every challenge. We believe in people’s potential and therefore support the development of all technology-passionate professionals by offering them opportunities to broaden their skills and participate in truly inspiring projects. Through Expleo Academy, we provide access to accredited training enabling professionals to acquire and refine the competencies needed to grow and evolve within the organization. We offer competitive benefits, including a flexible compensation plan, social benefits, and a salary aligned with the experience brought to the role. Our culture is built on working as one team—where people feel free to think big, challenge the status quo, and propose new ideas. Moreover, we are an organization committed to equal opportunities and welcome applications from all qualified individuals regardless of race, gender, disability, religion/belief, sexual orientation, or age.