Expleo is a trusted partner for your innovation journey. As a global engineering, technology and consulting service provider, we are ideally positioned to help you achieve your ambitions and future-proof your business. With a smart blend of bold thinking and reliable execution, we’re able to fast-track innovation through each step of your value chain.
We are strategically positioned to build value, with a global footprint across 30 countries.We are as global and local as you need us to be, with strong best-in-class pan-European technological centers and unique best-shoring capabilities.
We leverage a network of high value-adding affiliates in consulting and industrial excellence, and leading partners across multiple sectors to provide you with the most comprehensive services and solutions in an ever-changing environment.

As a System Designer – Onboard Signaling, you will be at the core of the adaptation and specification process for signaling systems (ERTMS/ETCS and legacy systems). 

Requirements Analysis & System Adaptation

• Analyze customer documentation (e.g. specifications, functional requirements).
• Identify and formalize gaps between client needs and generic solutions.
• Collaborate with the Development Center (DC) to determine how to bridge these gaps.
• Support the validation of proposed adaptations and their implementation by DC software teams.
• Ensure traceability through-out the formal documentation, up to the input requirements

System Specification & Architecture

• Produce system and sub-system specifications, define architecture and interface requirements.
• Draft rules for data preparation (client-specific parameterization ofequipment based on generic rules).

Integration & Design Testing

• Configure the equipment delivered from Generic Development Center in order to meet the project needs.
• Configure Test bench, integrate and Test the solution in lab (at design level),
• Participate eventually to investigations on trains when required,
• Participate to System tests (Track-On-board) of the complete solution within the infrastructure,
• Support test analysis and feedback to continuously improve the solution.

Cross-functional Collaboration

• Interact with other System Engineers and with other métier engineers to ensure the design fits into the intended architecture,
• Interact with RAM, Safety, Cybersecurity, Software, and V&V teams throughout the project.
• Act as a technical contact point for internal stakeholders and customers.
• Call, conduct, and participate to technical reviews (design reviews, document reviews),

Education & Background

• Master’s degree in Engineering (Electronics, Automation, Computer Science, Systems, etc.).
• First experience or strong interest in railway, aerospace, defense, or other regulated/safety-critical environments.

• Analytical mindset and ability to understand complex technical systems.
• Ability to interact with customers and interpret their needs into structured requirements.
• Knowledge of system design methodologies (UML, SysML) is a plus.
• Familiarity with change management, requirement management and traceability tools (e.g. ClearQuest, DOORS).
• Basic understanding of ERTMS/ETCS principles is a strong asset.
• Fluent in English and good command of French are mandatory

At Expleo, we are committed to providing a competitive salary and substantial benefits offering with unique wellbeing, financial and employee recognition programs.

We pride ourselves on our diverse and inclusive culture and offer a variety of family-friendly policies and enhanced leave to help you achieve a healthy work life balance.

By providing significant learning and development opportunities, we encourage individual growth and success throughout your career with us.

• Collaborative working environment – we stand shoulder to shoulder with our clients and our peers through good times and challenges
• We empower all passionate technology-loving professionals by allowing them to expand their skills and take part in inspiring projects
• Expleo Academy - enables you to acquire and develop the right skills by delivering a suite of accredited training courses
• Enjoy a comprehensive benefits package, including hospitalization and outpatient insurance, a pension and group insurance plan, employee wellbeing initiatives, sports and social events, gifts for special occasions, and much more!
• Enjoy meal and eco vouchers to support your daily needs and sustainable purchases
• Receive monthly representation fees to support work-related expenses
• 32 vacation days (20 + 12 for a 40-hour week).
• Mobility package offering flexibility: choose between a company car, full transportation coverage, or a housing allowance.
• Always working as one team, our people are not afraid to think big and question the status quo.
• Flexible homeworking policy – Balance your career and personal lif