Senior Wastewater Network Modeller – Hybrid, UK-wide Impact

Mott MacDonald; Brighton; Hybrid; AUD 106,000 - 135,000; Full time

Benefits offered by this job

Private medical insurance

Employee ownership

Annual bonus schemes

Flexible benefits

Job summary

Mott MacDonald’s Water Utilities Division is seeking a Senior Wastewater Network Modeller to join a team of engineers and project managers delivering UK wastewater infrastructure projects from feasibility to detailed design.

You’ll provide technical inputs, mentor graduate modellers, and potentially lead projects while contributing to internal innovation and client-facing delivery. Hybrid work options support flexible, well-being focused arrangements.

Qualifications

• Ability to be a team player and develop relationships at all levels.
• Working collaboratively with clients as delivery lead, planning and delivering wastewater modelling projects of varying sizes.
• Strong communication skills.
• Qualified candidates should have a strong working knowledge of InfoWorks ICM as well GIS packages.
• Project Management experience and skills would be advantageous but not required.
• Chartered with a relevant professional institution (i.e. ICE or CIWEM).
• Excellent skills in spreadsheet data analysis (i.e: using MS Excel pivot tables or PowerBI).
• Programming skills in languages such as VBA or Python would be advantageous.

Responsibilities

• Delivering wastewater infrastructure projects of varying sizes.
• Collaborating closely with our clients to ensure they understand model outputs and processes.
• Mentoring and training of graduate modellers and providing guidance to support their professional development.
• Specification and management of flow surveys.
• Undertaking a checking and/or technical lead role of model build, verification and optioneering projects.
• Completing complex modelling tasks where required.
• Contributing and checking technical reports and presentations.
• Developing technical calculation outputs when needed.
• Opportunity to project manage infrastructure projects, if interested.

Skills

InfoWorks ICM

GIS

Excel

PowerBI

Python

VBA

Teamwork

Education

Chartered with ICE/CIWEM

Tools

InfoWorks ICM

GIS

PowerBI

Job description

Mott MacDonald’s Water Utilities Division is seeking a Senior Wastewater Network Modeller to join a team of engineers and project managers delivering UK wastewater infrastructure projects from feasibility to detailed design.

You’ll provide technical inputs, mentor graduate modellers, and potentially lead projects while contributing to internal innovation and client-facing delivery. Hybrid work options support flexible, well-being focused arrangements.