Senior / Principal Wastewater Modeller

Job Title: Senior / Principal Hydraulic Modeller
Salary: £45,000 – £65,000 (dependent on experience)
Location: Leicester, Leeds or Manchester (other UK locations considered)
Type: Permanent | Hybrid

About the Role:

This is an exciting opportunity to develop innovative solutions addressing key environmental issues such as flood risk and wastewater management. You’ll lead and support the delivery of hydraulic modelling projects, helping shape healthier, more sustainable water systems for communities across the UK.

Core responsibilities include:

• Planning and managing technical workloads to deliver framework outputs and project deliverables efficiently.
• Providing clear direction to your team, delegating effectively and taking accountability for high-quality outcomes.
• Overseeing model operations, verification, simulations, and data analysis for water and wastewater systems.
• Identifying model requirements and managing survey procurement processes.
• Acting as a client-facing representative, building strong professional relationships.
• Supporting and coaching colleagues in their technical and professional development.
• Maintaining a Continuous Professional Development (CPD) log and adhering to Health & Safety procedures.

About the Client:

Our client is a leading, multi-disciplinary consultancy that takes a fresh, people-centred approach to the built environment. With a strong focus on professionalism, compassion, and innovation, they are passionate about creating a prosperous and sustainable future.

They offer the best of both worlds – the stability and breadth of a large organisation combined with the flexibility, collaboration and agility of a close-knit team.

Key Responsibilities:

• Deliver and manage hydraulic modelling projects of varying complexity.
• Lead and mentor junior engineers and modellers.
• Ensure outputs meet quality and technical standards.
• Support project financial reporting and progress tracking.
• Contribute to framework delivery and business development.

What Our Client is Looking For:

• Degree in a relevant Scientific or Engineering discipline (or equivalent experience).
• Chartered or near-Chartered status with CIWEM or ICE.
• Minimum of six years’ relevant industry experience.
• Strong technical expertise in building, maintaining and analysing hydraulic models.
• Excellent understanding of drainage and wastewater networks, asset management, and standards.
• Proficiency in relevant hydraulic modelling software.
• Confident communicator, able to work effectively with clients and multi-disciplinary teams.
• Strong organisational and leadership skills.
• Knowledge of survey procurement and data management.
• Commitment to CPD and best practice in Health & Safety.

We are an equal opportunity employer and value diversity in our company. We do not discriminate on the basis of race, religion, colour, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status.