Location:
Madrid, Spain (hybrid) or fully remote Type: Full-time About IIM Infrastructure in Motion (IIM) is a boutique advisory firm and a leading specialist in traffic and revenue (T&R;) forecasting for toll roads and Managed Lanes. We advise lenders, investors, developers and public agencies across North America, Latin America and Europe on some of the most complex demand-risk transactions in the market, including US Express Lanes, Canadian toll assets and major PPP procurements. We are a small, senior team, which means real responsibility, direct client exposure and a visible impact on every project from day one. The Role We are looking for a transport modeller who can own the network modelling workstream on T&R; studies, from model build and calibration to forecasting, sensitivity analysis and reporting, and who is equally comfortable presenting results to clients and lenders. What You’ll Do ▪ Build, calibrate and validate strategic and corridor-level highway models for toll roads and Managed Lanes ▪ Develop traffic and revenue forecasts, including toll choice, value of time and ramp-up assumptions ▪ Run scenarios and sensitivity tests to support investment-grade and bid-stage studies ▪ Review third-party models and forecasts as part of technical due diligence ▪ Write clear, well-sourced reports and present findings to clients,



lenders and investors ▪ Contribute to proposals and business development across our core markets What We’re Looking For ▪ 3–5 years of hands-on experience in transport network modelling for both private and public sector clients ▪ Strong command of at least one of TransCAD, PTV Visum or Cube ▪ Experience in microsimulation (e.g. PTV Vissim, Aimsun or similar) is a plus ▪ Direct experience on highway and toll road projects; Managed Lanes or express lanes experience is a strong plus ▪ Background in a T&R; or transport planning consultancy is highly valued ▪ Ability to work independently with minimal supervision, owning deliverables end to end ▪ Rigour and attention to detail: you check your numbers and can defend every assumption ▪ Excellent communication skills and genuine commercial awareness, with confidence in front of clients ▪ Fluent English; Spanish and/or French are a plus ▪ Degree in Civil Engineering, Transport Planning, Economics or a related field; a Master’s is a plus ▪ Python, R or SQL for data processing is a plus

What We Offer
▪ Work on high-profile toll road and Managed Lanes transactions in the US, Canada, LatAm and Europe ▪ Close collaboration with senior partners with decades of T&R; experience ▪ Fast learning curve and room to grow with the firm ▪ Competitive compensation and versátil working: hybrid from our Madrid office or fully remote

How to Apply
• Send your CV and a short note on a modelling project you are proud of to [email protected] or apply directly via LinkedIn.

📌 Transport Network Modelling Expert (Madrid)
🏢 Infrastructure In Motion
📍 Madrid