About us
TRL is a world-leading provider of software and services for the transport and mobility sectors. We are on a mission to create cleaner, more efficient, and universally accessible transportation. We believe that safe, reliable transport should be a right for everyone, regardless of their background.
TRL is a diverse and inclusive community of passionate individuals committed to changing the way the world moves. We know that true innovation thrives in an environment where every voice is heard and respected. That's why we offer a diverse and inclusive workplace and flexible working arrangements from day one, ensuring that you can balance your work and life seamlessly, whether through working part-time, flexible hours, hybrid working or job share.
Our comprehensive benefits package, competitive salary, 25 days' annual leave, matched pension, life assurance cover, group income protection, healthcare cash back scheme, support for professional memberships and study (and more) is designed to help you thrive personally and professionally.
About the role
This is a contract role lasting 24 months for duration of the project (1st July 2026 - 30th June 2028).
We are seeking a high-performing Post-Doc Research Assistant to support the design, delivery and evaluation of a major behaviourchange initiative to reduce speeding while driving, as part of the ESRC-funded Behavioural Research UK (BR-UK) programme. This role is essential to ensure continuity, quality and full delivery of the programme.
Behavioural Research UK (BRUK) is a national leadership hub designed to build capability, co-ordination and innovation in behavioural research across the UK. Coled by the UCL Centre for Behaviour Change and the University of Edinburgh, BRUK is funded through a £10 million ESRC investment and brings together leading researchers, government partners and public sector organisations to strengthen the UK's behavioural science ecosystem. Its vision focuses on improving the quality, impact and integration of behavioural research through collaboration, capabilitybuilding and the translation of evidence into policy and practice.
The successful candidate will provide expertise in behaviour change, intervention design and stakeholder co-ordination, working closely with internal colleagues and external partners. The candidate will also have the opportunity to contribute to TRL's wider research and consultancy activities throughout the fixed term.
The successful candidate will be based at TRL Headquarters in Wokingham, Berkshire or Woolwich, London. You will be expected to attend either site when required, but we welcome flexible and hybrid working arrangements. You should be willing to travel within the UK for the delivery of the intervention and other stakeholder engagement activities.
What you'll do
Key responsibilities
Lead the design and delivery of behaviourchange interventions aligned to programme objectives.
Co-ordinate stakeholder engagement and manage relationships with internal teams and external partners (such as UCL, Driving for Better Business (DfBB), fleet organisations).
Support the planning and implementation of datacollection activities throughout the development and deployment phases.
Carry out analysis and lead programme reporting from mid2027 onwards, producing highquality insights, publications and outputs suitable for a range of stakeholder audiences.
Contribute to knowledgesharing and upskilling within the team, supporting wider business capability development in behavioural science and technical delivery.
What we're looking for
Essential skills and experience
PhD (or equivalent experience) in psychology, behavioural science or a closely related field, with a strong focus on behaviour change
Strong grounding in behaviour change, especially models such as COM-B and associated tools like the Behaviour Change Wheel.
Experienced in outward-facing relationship building and delivering research with organisations in applied settings such as commercial or public sector.
Excellent communication skills and ability to distil complex issues into simple and compelling messages.
Desirable skills and experience
Collaborative and able to influence across teams and with external stakeholders.
Background in other areas of behavioural sciences such as wider psychology (for example organisational psychology, transport psychology)
Strong grounding in analysis methods for experimental designs such as regression, analysis of variance, and related statistical and machine learning techniques.