Join a high-performing Midlands transport team where your expertise in traffic signal design will shape real-world infrastructure across the UK.
As a Principal Traffic Signals Engineer, you will take a leading role in delivering high-quality traffic signal design and assessment projects to current UK standards. Working within a collaborative team, you will combine technical delivery with project management, client engagement and team development. The role covers junction design using AutoCAD, capacity modelling with LinSig and TRANSYT, and the preparation of detailed reports and specifications. You will be responsible for ensuring projects are delivered efficiently, on time and within budget, while maintaining compliance with quality assurance processes.
You will play a key role in translating client requirements into effective, buildable signal solutions that improve network performance and safety. Your ability to manage projects, build client relationships and provide technical leadership will directly influence successful project outcomes. You will also support the growth of the team by mentoring junior engineers and contributing to a culture of technical excellence.
Technical Expertise - Deliver robust traffic signal designs using AutoCAD, LinSig and TRANSYT;Apply UK design standards and modelling best practice to produce efficient solutions
Project & Commercial Management - Lead projects from inception to delivery, managing scope, budget and programme; Support fee proposals and contribute to business development activities
Client Engagement & Communication - Build and maintain strong client relationships across public and private sectors; Communicate technical information clearly through reports, drawings and meetings
Data Analysis & Problem Solving - Analyse and interpret transport data to inform design decisions; Produce accurate, concise and technically sound outputs
Leadership & Team Development - Mentor and support junior engineers, fostering professional growth; Collaborate effectively within multidisciplinary teams to deliver shared objectives
You will have proven experience in UK traffic signal design, with strong knowledge of relevant standards and modelling tools such as LinSig and TRANSYT. Proficiency in AutoCAD and experience in data analysis, reporting and client-facing roles are essential. A relevant degree and professional membership are advantageous, alongside experience with MOVA, ITS technologies or micro-simulation tools such as VISSIM or PARAMIC. A full UK driving licence is required.
This role is based in Leicester within a flexible hybrid working model. You will collaborate with colleagues across the Midlands and UK, with occasional travel for site visits and client meetings. We support flexible working patterns and offer a dynamic environment that encourages career progression, technical development and work-life balance.
About Tetra Tech
Tetra Tech is a leading provider of consulting and engineering services working across the full project lifecycle worldwide. We have a wide range of expertise across our teams, providing a global support network with a personalised approach to client relationships to better understand where we can add value. We provide a collaborative environment that supports individual performance, innovation, and creativity.
We support public and private sector clients on local, national, and international projects to deliver sustainable and resilient solutions. Our operations in the UK, Ireland, and the Netherlands include more than 6,000 employees who are Leading with Science® to solve our clients’ most complex problems.
In alignment with the Equality Act 2010, we will make reasonable adjustments to support candidates and employees requiring additional arrangements. This could include adaptations to work schedules, training approaches, or the physical workspace. Please inform us if you need any accommodations during the recruitment process or in your day-to-day role
