Fairhurst
Drainage Engineer
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Drainage Engineer
The Drainage Engineer is responsible for delivering on a broad and diverse range of drainage projects, including major infrastructure, masterplan development, and renewables/energy schemes.
The role requires strong technical capability, a commitment to high quality design, and an ambition to develop experience in both project and client management.
Design & Technical Delivery
- Design highway drainage systems for new-build, improvement, maintenance, and major infrastructure schemes.
- Develop drainage strategies from feasibility through detailed design and construction.
- Design surface water drainage systems including:
- Highway gullies and carrier drains
- Pipe networks and culverts
- Filter drains and linear drainage systems
- Headwalls and outfalls
- Attenuation and storage systems
- Swales, ponds, wetlands, and other SuDS features
- Pumped drainage systems where required
- Undertake rainfall/runoff calculations and assess design storm events and climate-change allowances.
- Undertake hydraulic calculations and network modelling using Causeway Flow and/or InfoDrainage to assess capacity, surcharge, flooding, and exceedance.
- Oversee and produce accurate models, drawings, and technical reports.
- Coordinate drainage design with highways geometry, earthworks, structures, utilities, landscaping, environmental, and geotechnical requirements.
- Assess existing drainage infrastructure and identify capacity constraints, defects, and opportunities for improvement.
- Develop flood mitigation and exceedance-flow solutions.
- Assist in technical reviews, ensuring designs align with best practice and project specifications.
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Project Management
- Support the planning, coordination, and delivery of engineering tasks and project packages.
- Monitor progress, manage priorities, and contribute to forecasting, resources, and project reporting.
- Develop experience in commercial awareness, risk management, and programme control.
- Take ownership of assigned tasks and deliverables, ensuring compliance with deadlines and quality standards.
Client & Stakeholder Engagement
- Attend meetings, workshops, and site visits (driving licence required).
- Communicate proactively with clients, consultants, contractors, and regulators.
- Represent Fairhurst professionally, clearly conveying technical information to varied audiences.
- Build strong, long-term working relationships with partners and stakeholders.
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Quality & Compliance
- Apply relevant highway, drainage, water, flood-risk, and environmental standards and guidance.
- Demonstrate an understanding of requirements from organisations such as National Highways, local highway authorities, Lead Local Flood Authorities, water companies, and the Environment Agency.
- Prepare drainage design reports, calculations, specifications, schedules, drawings, and technical submissions.
- Ensure designs satisfy relevant health, safety, environmental, planning, and constructability requirements.
- Contribute to technical approvals and departures from standards where required
Leadership & Mentoring
- Support and guide junior team members, sharing knowledge and encouraging professional development.
- Assist in developing skills within the team and contribute to a positive, collaborative working environment.
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