The Construction Index Ltd
Principal Drainage Engineer

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Principal Drainage Engineer
Principal Drainage Engineer
Location: London or Canterbury (Hybrid working available)
Salary: Competitive + Excellent Benefits
Are you an experienced Drainage Engineer looking to take the lead on technically challenging projects within a growing environmental consultancy?
We're recruiting for a Principal Drainage Engineer to join an established team delivering innovative drainage, flood risk and water management solutions across a diverse portfolio of development and infrastructure projects.
This is an excellent opportunity for someone who enjoys combining technical expertise with project leadership, client engagement and mentoring junior engineers.
The Role
You'll lead the delivery of drainage and flood risk projects from inception through to completion, providing expert advice on surface water and wastewater management. Working closely with clients, planners and multidisciplinary teams, you'll develop practical, sustainable solutions while ensuring projects are delivered on time and within budget.
Reasons to use Rodeo
I’m in my final year doing Economics and I don’t know whether to apply for grad schemes now or do a masters first. What do you think?
Honest answer — it depends on where you want to end up. A lot of top grad schemes (Big 4, civil service, banking) don’t need a masters. Let’s look at the ones you’d be competitive for now, and we can decide if a masters actually adds anything.
Also worth knowing: most autumn 2026 applications are open now. Timing matters more than you think.
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Grad scheme, placement, apprenticeship? Not sure what you want yet — that's fine. Your agent talks it through with you and turns "I have no idea" into a shortlist.
Graduate Consultant — 2026 Scheme
Why you're a good match
StrongYour economics background and your summer at a regional bank line up with what PwC looks for on the consulting scheme. Applications close in four weeks.
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Every day your agent scans the market matching roles against what actually matters to you, not just keywords on a CV.
Why you're a good match
You’ve got the grades and the economics background, and your bank internship is exactly the experience this scheme looks for. Apply soon — deadlines close within the month.
Experience fit
Your summer at the bank plus your econometrics coursework map directly to the day-one responsibilities on this scheme — client modelling, market briefings, and deal support.
Only hits
No noise. No "maybe this fits." Just roles with a clear explanation of why they're right — and where to focus when applying.
Key Responsibilities Include
- Producing drainage strategies, technical reports and hydraulic modelling
- Designing Sustainable Drainage Systems (SuDS)
- Preparing technical drawings and supporting documentation
- Managing projects and client relationships
- Supporting and mentoring junior engineers
- Preparing fee proposals and contributing to business development
- Keeping up to date with UK planning policy and industry best practice
About You
We're looking for someone who has:
- Experience delivering drainage and flood risk projects within a UK consultancy
- Strong knowledge of UK planning policy, SuDS and drainage design
- Experience using software such as:
- MicroDrainage
- Causeway Flow+
- Flood Modeller
- GIS
- AutoCAD
- Excellent technical report writing skills
- Strong project management and client-facing experience
- A relevant degree in:
- Civil Engineering
- Environmental Engineering
- Water Engineering (or equivalent)


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Your very own career expert that helps elevate your application to the next level.
Professional membership or progress towards chartership would be advantageous.
What's On Offer
In return, you'll join a collaborative consultancy that genuinely values its people and offers:
- Flexible and hybrid working
- Interesting and varied project portfolio
- Structured career progression
- Ongoing professional development and support towards chartership
- A supportive, inclusive team culture
- Competitive salary and benefits package
If you're looking to take the next step in your drainage engineering career with a consultancy that combines technical excellence with genuine flexibility, we'd love to hear from you.
Apply today or contact us for a confidential discussion.
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