Job Summary: We are seeking a Simulation Engineer for Railway Traction Systems to develop advanced models and analyze data to optimize performance and energy efficiency. Key Highlights: 1. Development of advanced simulation models using Matlab and Python 2. Data analysis to optimize performance and energy efficiency 3. Opportunities for growth and continuous professional development San Sebastian Simulation Engineer – Traction Systems Job Description**Railway Traction Systems Simulation Engineer** **Capgemini Engineering**, a global leader in engineering services, brings together teams of engineering, science, and technology professionals to help the world’s most innovative companies unlock their potential and contribute to a better future. From autonomous vehicles to life-saving robots, our digital and software technology experts think beyond convention, delivering unique R\+D and engineering services across all industries. Join the team and advance your career at a company offering growth opportunities—where you can make a difference and no two days are ever the same! **About the Role** At Capgemini Engineering, we are looking for a **Railway Traction Systems Simulation Engineer** to join a strategic project in **San Sebastián**, in **Hybrid** mode. Your role will be key in developing advanced simulation models for traction systems using Matlab and Python, and analyzing parameter data to optimize performance and energy efficiency. **Required Profile** * Bachelor’s degree in Electronic Engineering, Computer Science or related field. * Solid knowledge of Matlab, Python and data analysis. * Minimum 6 months of experience in railway sector projects. * Professional-level English (minimum B2). **What You’ll Love About Working Here** * A unique work environment highly valued by our professionals in periodic evaluations. * Wellbeing HUB — Includes policies and initiatives supporting physical health (Wellhub) and mental well-being. * 24 vacation days \+ 2 personal days \+ December 24 and 31 \+ option to purchase up to 15 additional vacation days per year. * Flexible Compensation Plan (health insurance, transportation, training, meal card or food allowance, childcare…) * Continuous learning: access to Mylearning, Capgemini University, Digital Campuses and Professional Communities. Platforms include: Coursera, Udemy, Pluralsight, Harvard Manager Mentor, Education First for languages (English, French, German…) and more! * Participation in Volunteering and Social Action initiatives through our Sustainability, Inclusion and Equality Groups. * Onboarding support via our Buddies program. * Life and Accident Insurance. **Why Capgemini Engineering?** Capgemini is a global leader in digital transformation and business management, driving an inclusive and sustainable future through technology. We employ over 360,000 professionals across 50+ countries. Candidates holding a disability certificate will be positively considered under our inclusion and diversity policy. We value all applications. We offer extensive training programs and certification pathways. Even if you don’t meet 100% of the requirements, we’d love to hear from you! Our commitment to equal opportunity is reflected in our Equality Plan and Code of Ethics, ensuring a discrimination-free environment based on origin, ethnicity, nationality, gender, age, sexual orientation, gender identity, religion or any other personal or social circumstance. Rewrite your future. Join Capgemini Engineering! Apply now at www.capgemini.com/es\-es \#LI\-MO1 Job Description \- Grade Specific Focus on Systems Engineering and Product Design. Entry level graduate with limited commercial and technical work experience. Build skills and expertise in a chosen Engineering Discipline. Works to instructions and directions and delivers reliable results. Keen to understand clients business and needs. Solves routine problems. Organises own time with a short time horizon. Ref. code 409701\-es\_ES Posted on 05 Feb 2026 Experience level Experienced Professionals Contract type Permanent Location San Sebastian Business unit Engineering and R&D Services Brand Capgemini Engineering Professional communities Products \& Systems Engineering