Senior Traffic Engineer (Development Management and Implementation) - Stevenage / London
Lead the delivery of highways solutions that shape sustainable communities. Join Tetra Tech at the forefront of a landmark partnership with Hertfordshire County Council and take a key role in delivering impactful transport and infrastructure services.
Purpose & Scope of the Role
As a Senior or Principal Engineer within the Development Management Implementation (DMI) team, you will play a pivotal role in delivering highways and transport services under Tetra Tech’s long-term Professional Services Contract with Hertfordshire County Council. Operating within a collaborative “One Service” model, you will lead on technical delivery, provide expert advice on development proposals, and support the management of a multidisciplinary team. The role combines leadership, project delivery and technical oversight, ensuring schemes meet required standards while supporting sustainable development across the region.
Your Impact in this position
You will influence how developments are planned, designed and delivered by providing robust technical guidance and leadership. Acting as a key interface between stakeholders, developers and delivery partners, you will ensure high‑quality, compliant and efficient highway solutions. Your contribution will enhance service delivery, strengthen team capability and support the successful delivery of infrastructure that benefits local communities.
Technical Expertise
* Extensive experience in highway design, including Section 278 and Section 38 agreements
* Strong understanding of development‑led infrastructure and adoption processes
* Proven ability to manage projects, including work programming, budgeting and cost control
* Experience overseeing scheme delivery from design through to construction and completion
Review & Assurance
* Skilled in reviewing developer submissions, including specifications, method statements and traffic management proposals
* Experience undertaking road safety audits and ensuring compliance with relevant standards
Stakeholder & Advisory Skills
* Ability to provide clear, professional advice to developers and stakeholders, including pre‑application support
* Experience reviewing Transport Assessments and planning‑related documentation
* Experience leading or supporting teams, fostering collaboration and technical development
* Strong communication skills with the ability to engage across multidisciplinary environments
Skills, Qualifications & Experience
Degree or Masters in Civil Engineering, Transport Planning or a related discipline. Significant relevant experience in highways or transport planning is essential. Professional accreditation (e.g. MICE or CIHT) is desirable.
You will be part of a Hertfordshire‑focused team within a wider partnership environment, with flexibility to balance leadership responsibilities, project delivery and personal commitments.
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 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.
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