Do you want to be part of a company where customer satisfaction, colleagues and professional development are the cornerstones? Within our Railway Systems Area, we are looking for a senior systems specialist to lead the design, integration and delivery of telecom, control and support systems for major railway programmes. The role requires a hands-on technical leader responsible for the full lifecycle—from design development to commissioning—acting as technical authority across telecom and control systems, and coordinating multidisciplinary interfaces with civil, signalling, power and system teams. The project will deliver a complex railway system aligned with international standards, including design, integration, installation, testing and commissioning of telecom, control, cybersecurity and supporting railway subsystems. Lead design and integration of telecom and control systems across the programme Oversee subsystems including Data Communication Network, CCTV, Asset Management Systems, SCADA, Public Address, Passenger Information System, OCC, Wireless Communication Systems (WiFi, GSM-R/FRMCS), Telephony and cybersecurity platforms, Hazard Detection and Early Warning System. Ensure compliance with international standards and project-specific requirements Lead technical reviews, assurance and validation of engineering deliverables Coordinate with client, contractors, OEMs and multidisciplinary teams Support construction, installation, testing and commissioning activities on site Manage technical risks and ensure system performance and safety Lead and mentor multidisciplinary engineering teams Adaptable

working hours
Remote work: 1 day per week or two afternoons Reduced summer hours (July and August) Flexible compensation (meal card,



health insurance, transport card, childcare, etc.) Degree in Engineering (Telecommunications, Electrical or equivalent) Continuous professional development in railway systems Minimum 12–15+ years' experience in railway telecom and control systems Proven delivery of large-scale railway projects with multidisciplinary interfaces Experience across the full lifecycle: design, integration, construction support, testing and commissioning Telecom systems design (IP/MPLS networks, transmission, VoIP) Control systems (SCADA / ICSS integration) Cybersecurity standards (IEC 62443, TS 50701) Telecoms Subsystems integration System engineering, requirements management and interface control Proven stakeholder management (clients, contractors, OEMs) Experience in international project environments Excellent written and spoken English Mobility / Deployment Willingness to be based on project site as required Availability for extended site presence during key project phases IDOM is an Association of Professionals working in the areas of Engineering, Architecture, and Consulting on projects that contribute to a more sustainable world. The ownership structure of IDOM creates a culture of engagement, to offer the best service for the client, while our people develop both professionally and personally in an environment of technical excellence. Our employees are deeply united, highly qualified, and skilled professionals. We work within a framework of professional liberty and integrity, with a strong commitment to progress, development, quality service, and innovation. As a member of our TEAM, you will have the opportunity for career development at the highest level in an environment of respect and professional integrity.

📌 Telecommunication Systems Engineer (Comunidad de Madrid)
🏢 IDOM
📍 Comunidad de Madrid