Principal Traffic Engineer (Active Travel & Urban Transport)

Market Cities & Places At Jacobs, we're challenging today to reinvent tomorrow by solving the world's most critical problems for thriving cities, resilient environments, mission-critical outcomes, operational advancement, scientific discovery and cutting-edge manufacturing, turning abstract ideas into realities that transform the world for good. Your impact You are an experienced traffic or transport engineer with a passion for creating safer, more sustainable and better‑designed streets and places. You bring strong technical expertise, sound professional judgement and a practical, solutions‑focused mindset to complex urban transport challenges. You enjoy working collaboratively within multi‑disciplinary teams and engaging constructively with clients and stakeholders. Whether developing active travel schemes, re‑allocating road space, or shaping high‑quality urban streets, you are motivated by delivering designs that respond to their context and make a tangible difference to communities. You take pride in the quality of your work, are confident working across all project stages, and enjoy mentoring others while continuing to develop your own technical leadership. About the Opportunity The Jacobs Cities & Places team works across a wide range of scales, from regional and city planning to neighbourhoods, streets and individual buildings, using an integrated design approach. Our aim is to bring planning, design and delivery together in a way that is practical, coordinated and responsive to the needs of clients and communities. Our business unit brings together engineers, architects, surveyors, urban designers, project managers and transport planners. By working collaboratively across disciplines, we deliver clear, considered and implementable design solutions for clients in Ireland, the UK and internationally. We are seeking an experienced professional to join our Active Travel & Urban Transport team, working on a hybrid basis from our Dublin office and client locations. The role will suit someone with experience in sustainable transport, placemaking or road space re‑allocation projects, who is comfortable operating within multi‑disciplinary teams across different geographies. Your Role Will Include Leading the technical development and delivery of traffic engineering and active travel projects Producing and reviewing high‑quality designs, drawings, reports and tender documentation Applying Irish design standards and guidance to develop practical, context‑led solutions Supporting project and client management, including programme, resources, quality and commercial performance Engaging effectively with clients, local authorities and stakeholders Checking and reviewing deliverables, ensuring design consistency and technical assurance Mentoring and supporting junior team members and contributing to a collaborative team culture Supporting business development activities, bid preparation and client engagement Here's what you'll need Degree‑qualified (or equivalent) in a relevant engineering or transport‑related discipline Chartered Engineer status or an equivalent professional qualification (e.g. Engineers Ireland, CIHT, CEng, TPP) Strong technical background in traffic engineering, including: Junction and road link analysis and modelling Traffic signals design Road markings and traffic sign design Pavement, drainage and utilities design Preparation of tender documents and works specifications Experience in urban streets, active travel, bus priority, public transport and/or public realm schemes In‑depth knowledge of key Irish standards and frameworks, including DMURS, Cycle Design Manual, Capital Works Management Framework, Transport Appraisal Framework and NTA Project Approval Guidelines, together with knowledge of relevant TII standards and sustainable transport policy Proven experience delivering projects through all design stages, from concept to detailed design and delivery support, including site supervision Strong written and verbal communication skills, with the ability to clearly explain complex issues to a range of audiences Experience in project and client management, including programme, resourcing, commercial performance and quality control Ability to manage workload effectively while mentoring junior staff and contributing to team development Experience contributing to bids, client engagement and awareness of emerging trends and best practice A clear commitment to knowledge sharing, staff development and technical leadership What's in It for You Competitive salary and benefits package Flexible and hybrid working options Pension scheme and wellbeing benefits Generous annual leave Paid professional membership fees and CPD support Opportunities to work on high‑profile, city‑shaping projects A collaborative, inclusive culture with clear pathways for career development in Ireland and across Jacobs globally #LI-NC2 Joining Jacobs not only connects you locally but globally. Our values stand on a foundation of safety, integrity, inclusion and belonging. We put people at the heart of our business, and we truly believe that by supporting one another through our culture of caring, we all succeed. We value positive mental health and a sense of belonging for all employees. With safety and flexibility always top of mind, we've gone beyond traditional ways of working so you have the support, means and space to maximize your potential. You'll uncover flexible working arrangements, benefits, and opportunities, from well-being benefits to our global giving and volunteering program, to exploring new and inventive ways to help our clients make the world a better place. No matter what drives you, you'll discover how you can cultivate, nurture, and achieve your goals - all at a single global company. Find out more about life at Jacobs . We aim to embed inclusion and belonging in everything we do. We know that if we are inclusive, we're more connected and creative. We accept people for who they are, and we champion the richness of different perspectives, lived experiences and backgrounds in the workplace, as a source of learning and innovation. We are committed to building vibrant communities within Jacobs, including through our Jacobs Employee Networks, Communities of Practice and our Find Your Community initiatives, allowing every employee to find connection, purpose, and belonging. Find out more about our Jacobs Employee Networks here . Jacobs partners with VERCIDA to help us attract and retain talent from a wide range of backgrounds. For greater online accessibility please visit https://www.vercida.com/uk/employers/jacobs to view and access our roles. As a disability confident employer, we will interview disabled candidates who best meet the criteria. We welcome applications from candidates who are seeking flexible working and from those who may not meet all the listed requirements for a role. We value collaboration and believe that in-person interactions are crucial for both our culture and client delivery. We empower employees with our hybrid working policy, allowing them to split their work week between Jacobs offices/projects and remote locations enabling them to deliver their best work. Your application experience is important to us, and we're keen to adapt to make every interaction even better. If you require further support or reasonable adjustments with regards to the recruitment process (for example, you require the application form in a different format), please contact the team via Careers Support . Locations City State Country Dublin Dublin Ireland