AECOM is seeking a Senior Human Factors Engineer to join our growing global Rail Systems and SESA team. Based in Madrid, you will play a strategic role in delivering complex, integral, safety-critical transportation programs. This is a high-impact role that requires knowledge of rail standards (e.g. EN 50126, RIS-7100, RSSB guidance), strong systems integration expertise, and a deep commitment to user-centred design, safety assurance, and regulatory compliance. You will collaborate with clients, multi-disciplinary engineering teams, and safety specialists to embed Human Factors principles throughout the system lifecycle. You will also provide leadership in technical delivery, mentor junior staff, and support continuous improvement in AECOM’s Human Factors capabilities.
Key Responsibilities
Strategic & Technical Leadership
Lead the planning, execution, and integration of Human Factors activities across the full system lifecycle, from concept through to operation and maintenance.
Establish HF design philosophies and strategies aligned with project and regulatory requirements.
Act as technical lead on key rail and infrastructure projects, ensuring alignment with HF integration strategies and applicable standards (e.g. EN 50126, ISO 9241, RIS-7100, RSSB guidance).
Experience producing Human Factors Integration Plans, Human Factors Issue Logs and Human Factors Assessment Report and experience of conducting assessments such as Hierarchal Task Analysis.
Execute HF design development activities, including design reviews, mock-ups, simulators, and structured user feedback studies.
Lead certification planning and develop compliance strategies for HF-related system elements.
Provide expert input into RAMS (Reliability, Availability, Maintainability, and Safety) assurance activities.
Translate regulatory and system requirements into clear, verifiable HF design and usability criteria.
Conduct and review task analyses, HMI design assessments, usability testing, cognitive workload
📌 Human Factors Senior Engineer (Madrid)
🏢 Doist
📍 Madrid