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Posted 07 August, 2026

Associate Drainage Engineer

O'Connor Sutton Cronin
City of London, ENG, GB Full Time

Job Description

Location: London or Birmingham

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(Hybrid working model)

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We are seeking a Principal Civil Engineer / Associate Civil Engineer (The job title will be aligned with the successful candidate’s experience and seniority) who specialises in the design of sustainable drainage systems, wastewater networks, water distribution systems, hydrological studies and flood risk management.

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This is a senior client-facing role responsible for leading project delivery, managing key stakeholder relationships, and coordinating multidisciplinary teams across engineering, modelling and drafting functions. Working closely with teams across multiple offices, you will ensure projects are delivered to the highest technical standards, on time and within budget.

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Key responsibilities include leading the design and delivery of Sustainable Drainage Systems (SuDS), Flood Risk Assessments, surface water and wastewater networks, hydrological and hydraulic studies, and flood alleviation schemes. The successful candidate will also contribute to business development, resource planning, and the continued growth of the civil engineering business.

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Minimum Requirements

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  • A minimum of 10+ years relevant experience in a senior role in a design environment.
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  • Demonstrable experience delivering drainage design for residential, mixed-use and commercial development projects, including housing developments, from planning through to detailed design.
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  • Experience designing drainage systems knowledge of the UK Codes of Practice, CIRIA C753
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  • Experience assessing Flood Risk in accordance with The Planning System
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  • Be proficient in the use of Causeway Flow , Micro Drainage, AutoDesk, Civil 3D or equivalent.
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  • The ability to communicate design intent and philosophy to team members and non-technical interested parties.
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  • Experience leading projects from inception through the design process.
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  • Have a track record of successful client facing roles.
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  • Strong working experience in the UK
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The Ideal Candidate

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  • In addition to the above, will have some of the following:
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  • Have a strong desire to lead projects and be accountable for their success.
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  • in-depth knowledge with UK planning processes.
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  • Excellent written communication and report writing skills,
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  • Attained Chartered Engineer Status.
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  • Have experience in Flood Risk Assessments and Flood Alleviation Schemes.
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  • Strong knowledge of Sustainable Drainage Systems and best practice.
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  • Procurement, tender assessment, and supervision experience.
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  • Experience in AutoCAD Drafting and specifications.
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The Remuneration Package

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  • Competitive Salary
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  • Bonus potential
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  • Hybrid Working
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  • Flexible Hours
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  • Extra Holidays increasing with Service
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  • Pension Scheme
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  • Life Insurance
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  • Private Healthcare discount
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  • Sickness Payment
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  • Employee Assistance Programme
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  • Wellness Programme
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  • Professional Memberships
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  • Sponsored Education
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  • Cycle To Work Scheme
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