Senior or Principal Flood Risk & Drainage Consultant

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Shape resilient, sustainable places by tackling today's most complex flood risk challenges.

Join Tetra Tech’s growing flood risk and drainage team and deliver impactful solutions across major UK infrastructure and development projects.

As a Senior or Principal Flood Risk Consultant, you will lead and support the delivery of flood risk and drainage projects across a diverse portfolio of schemes in both the public and private sectors. Working on projects ranging from small-scale developments to major infrastructure programmes, you will be responsible for flood risk assessments, drainage strategies, modelling and environmental water studies to support planning applications.

The role spans the full project lifecycle, from defining client briefs through to delivery and close-out, with opportunities to take on project management responsibilities and contribute to business development.

You will play a key role in shaping development outcomes by delivering robust, policy‑compliant and sustainable flood risk solutions. Your expertise will support clients in navigating the planning process while ensuring environmental and regulatory requirements are met. Through technical leadership and mentoring, you will strengthen team capability and contribute to high‑quality project delivery across the UK.

• Strong experience in flood risk assessments, drainage strategies and SuDS design
• Knowledge of UK policy and guidance including NPPF, SPP, TAN
  15 and the SuDS Manual

• Proficient in tools such as Micro Drainage/Info Drainage, ArcGIS and AutoCAD
• Ability to deliver robust modelling and technical analysis

• Experience managing projects or supporting delivery from inception to completion
• Ability to manage time, cost and quality while supporting change control

• Confident liaising with clients, regulators and stakeholders (e.g. EA, LLFA, water companies)
• Strong report writing and presentation skills

• Experience mentoring junior staff and contributing to team development
  
  Committed to CPD and progressing towards or holding chartership

Degree in a relevant discipline with significant experience in flood risk and drainage consultancy. Chartered status (or working towards) with ICE or CIWEM is desirable. Experience supporting planning applications and UK-based projects is essential. Full UK driving licence required; eligibility for SC clearance preferred.

This role can be based in London, Manchester, Leeds, Bristol or Newcastle, with flexible hybrid working available. You can work from home as needed to support project delivery, alongside office collaboration, site visits and occasional UK travel. Flexible working patterns are supported.

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.