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Posted 22 July, 2026

Senior Drainage Engineer

Brandon James Ltd
Bristol, ENG, GB Full Time

Job Description

Senior Drainage Engineer - Company Information

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An employee-owned consultancy with a five-star reputation for delivering high-quality engineering design across a diverse range of projects are currently seeking a Senior Drainage Engineer to support them in their Bristol office.

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The Senior Drainage Engineer Role and Responsibilities:

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We are seeking an experienced and enthusiastic Senior Drainage Engineer to lead and contribute to the successful delivery of a wide variety of infrastructure and development projects.

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You'll play a key role in the design, management, and delivery of drainage strategies and designs, working closely with clients, statutory authorities, and fellow professionals.

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Key Responsibilities:

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  • Develop drainage strategies and detailed designs for both private and adoptable systems (foul and surface water).
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  • Prepare Flood Risk Assessments and Drainage Strategy reports in line with national and local planning policy.
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  • Produce hydraulic modelling and drainage design using industry-standard software such as Causeway Flow.
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  • Produce technical drawings and specifications.
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  • Liaise with clients, local authorities, water companies, and other stakeholders to secure technical approvals (S104, S106, S185, SAB, LLFA, etc).
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  • Supervise and mentor junior engineers and technicians.
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  • Prepare fee proposals and invoices, monitor budgets and deadlines.
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  • Attend design team and site meetings and provide technical support during construction phases.
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  • Contribute to internal knowledge sharing and technical development.
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Senior Drainage Engineer, Key Qualifications and Skills

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  • Relevant Civil Engineering background (BEng, MEng, HNC, HND) or equivalent.
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  • Chartered or working towards Chartered status.
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  • Minimum 6 years' experience in drainage design for development infrastructure.
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  • Strong understanding of SuDS, Flood Risk, Building Regulations, DCG and national planning policy.
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  • Proficient in relevant software including AutoCAD, Causeway Flow or MicroDrainage, Microsoft Office and Bluebeam.
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  • Excellent communication skills and ability to manage clients and stakeholders.
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  • Strong report writing, analytical, and problem-solving abilities.
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In Return?

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Salary: £45,000 - £50,000

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  • Employee-owned benefits - tax free bonus benefits, and having genuine value in the company
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  • Career progression
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  • Chartership progression
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  • Paid membership subscriptions
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  • 26 days annual leave
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  • Private medical insurance
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  • Regular social activities (monthly team lunches and team building events)
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If you are a senior drainage engineer, based in Bristol area and considering your opportunities please contact Megan Cole at Brandon James.

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REF: 22184MC