Principal Transport Planner

Enabling sustainable development through expert transport planning

SLR is a global leader in sustainability solutions, working with clients to help make sustainability happen, within a collaborative, people-first culture.

Due to continued growth, we are looking for an experienced Principal Transport Planner to join our established Transport Planning team in Bristol.

You’ll lead on a diverse mix of development and infrastructure projects across both private and public sectors, supporting clients in residential, commercial, retail and energy. Our portfolio ranges from strategic new settlements through to smaller-scale landowner developments.

The role will focus on leading transport planning and appraisal work, alongside playing a key role in client relationship management, project delivery and mentoring. You’ll provide strategic oversight across a broad range of development projects spanning the built environment, infrastructure and energy sectors, with opportunities to contribute to business development and team growth.

The Role

You’ll lead transport planning project delivery, working closely with clients and multidisciplinary teams:

• Use professional judgement to develop effective and practical solutions
• Deliver Vision-Led Transport Assessments, Statements and Travel Plans
• Build client relationships and support fee proposals
• Lead client engagement with support from the wider team
• Manage project performance and profitability
• Maintain up-to-date knowledge of policy, legal and technical changes
• Mentor team members and provide technical guidance

You’ll collaborate with colleagues across Planning, Environmental and Engineering disciplines on impactful projects, with opportunities to work across the UK as part of a wider national team.

Rewards & Benefits

SLR’s ‘One Team’ culture is at the heart of our business, providing a collaborative and supportive environment for professional development. Through a structured career framework, regular performance reviews, and full support toward chartership, professional qualifications and licenses, we offer outstanding opportunities for long‑term career progression.

Our flexible benefits & reward package includes:

• Competitive salary with discretionary bonus
• Company pension
• Private medical insurance
• Life, income, and travel insurance
• Salary sacrifice car lease and cycle‑to‑work schemes

We believe sustainable careers need balance, that’s why we offer:

• Flexible, hybrid and agile working
• 25 days’ annual leave plus flexible public holidays
• Buy or sell leave options
• Core working hours
• Cross‑border remote working and sabbatical opportunities

Family life and wellbeing matter at SLR:

We provide enhanced maternity, paternity and adoption leave pay, access to an Employee Assistance Programme, and specialist support for mental health, stress, and menopause—supporting our people both professionally and personally.

About You

You’ll bring:

• Extensive experience delivering UK transport planning projects within a consultancy or similar environment
• Relevant degree (or higher) and professional membership (e.g. MCIHT or similar)
• Strong project delivery, leadership and client management skills
• Proven stakeholder engagement and client development ability
• Technical expertise in transport planning and appraisal
• Experience with JUNCTIONS and LINSIG (desirable)
• Strong reporting and problem-solving skills

Culture & Inclusion

Inclusion is fundamental to who we are. We are committed to equal opportunities and foster a workplace where everyone can thrive, supported by active Culture & Inclusion Committees and Employee Networks. We welcome applications from candidates of all backgrounds and are a Disability Confident Committed employer. If you require any adjustments during the recruitment process, please let us know and we will be happy to support you.

If this Principal Transport Planner role feels like a great fit for your experience and ambitions, we’d love to hear from you.