City Modelling Lab Consultant
Shape a future with purpose at Arup in Spain
Contribute to diverse projects and gain hands-on transport planning experience
Arup’s purpose, shared values, and collaborative approach have set us apart for over 75 years, guiding how we shape a better world.
We have been present in Spain since 1993 and we have a team of more than 300 engineers, consultants, and qualified technical personnel. We work for clients from the public and private sectors, providing creative and sustainable solutions based on the efficient use of resources.
Our transport networks are also key to achieving net zero goals, while enabling cities and towns to develop, improving social and economic participation for all. Our projects are interdisciplinary in nature, combining the knowledge, skills and passions of transport planners, modelling specialists and engineers, making Arup's services unique in the global market.
The Opportunity
This is your chance to join the Mobility Team in Madrid. This is an exciting opportunity to contribute to cutting-edge projects in agent-based and activity-based modelling, working alongside senior transport modellers, project managers, and multidisciplinary teams across the Spain and internationally.
As a City Modelling Lab Consultant at Arup, you will:
· Develop and apply innovative methodologies to solve complex urban modelling challenges using data, models, and visualisation.
· Build and calibrate models including synthetic populations, activity/location choice models, and forecasting future transport scenarios.
· Support scheme assessments and mitigation testing through robust data analysis.
· Collaborate with clients and stakeholders, attend meetings and present insights.
· Extract, interpret, and communicate model outputs through traditional and non-traditional technical reporting.
· Leverage your expertise in Python and GitHub to deliver scalable and efficient solutions.
Does this role inspire you?
We are looking for someone proactive and dynamic to join the Mobility team. Ideally, you’ll bring:
· Degree or Master’s in Transport Planning, civil engineering or similar.
· Demonstrable experience in simulation, urban modelling, and/or transport modelling.
· Proficiency in Python
· Strong data visualization skills tailored to client needs.
· Ability to present complex data clearly and effectively.
· Excellent interpersonal and client-facing communication.
· Comfortable working independently and within a team.
Bonus points if you have:
· PhD degree in a relevant discipline (e.g., Data Science, Transport Planning, Statistics), especially activity based and/or agent-based modelling.
· Direct experience with activity-based and agent-based modelling, including synthetic population development.
· Experience in the appropriate development and deployment of machine learning algorithms, balancing explainability with predictive power
· Familiarity with MATSim or PopulationSim.
· Experience with databases and statistical tools (e.g., MySQL, SQL Server, R) and knowledge of traditional modelling software (e.g., SATURN, VISSUM, CUBE).
· Knowledge of cloud computing (AWS, GCP, Azure etc.)
· Knowledge of software engineering practices, including automated.
Conditions
· Immediate incorporation
How to apply for this vacancy?
To apply for this vacancy, register your updated CV and a cover letter in English.
At Arup, we offer a rewarding career with a global company committed to a better future. Our unique trust ownership structure allows us to prioritize meaningful work and invest in our people. We also offer a unique profit share program, allowing our members to share in the results of our collective efforts.
Benefits that work for you:
· Professional Growth & Development: Benefit from continuous learning opportunities, training programs, and mentorship to enhance your skills and advance your career at Arup.
· Global Opportunities: Collaborate with colleagues worldwide and explore potential short-term or long-term assignments at other Arup offices and project locations.
· Financial Well-being & Ownership: Receive a competitive salary and benefits package and share in Arup's success through our global profit-sharing programme.
· Work-Life Balance: We offer a hybrid working model and flexible working arrangements to support work-life balance.
· Well-being and Culture: Access to a range of well-being programs, including sports subsidies, social activities, and initiatives promoting a healthy work-life balance. We foster a diverse and inclusive culture where everyone feels welcome, respected, and valued.
Arup is recognized as one of the best companies to work for in Spain in 2025 by Actualidad Económica and Forbes magazine, thanks to our flexibility policies. We also adhere to the Code of Principles of Generational Diversity, committing to equal opportunities regardless of age.
At Arup, you belong to an extraordinary collective where individuality is encouraged. Our strength comes from how we respect, share, and connect our diverse experiences, perspectives, and ideas. You’ll have the opportunity to do socially useful work that has meaning—to Arup, to your career, and to the clients and communities we serve.
We are proud to be an equal opportunity employer and are committed to building a workplace that reflects the rich diversity of the world around us. We actively promote a culture of inclusion where everyone feels welcome, respected, and valued.
We welcome applications from talented individuals of all backgrounds, regardless of age (within legal limits), gender identity or expression, disability, ethnicity, religion, sexual orientation, or any other protected characteristic. We are committed to making our recruitment process and workplaces accessible. If you need any assistance or adjustments, please contact beatriz.estefania@arup.com. We’re here to support you.
Do you want to join us in shaping a better world?
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