The Construction Index Ltd
Senior Highways / Drainage Infrastructure Engineer
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Salary: £45,000 - £60,000 per annum
Type: Full Time
Region: UK - London
Town/City: London
Posted: 21/07/2026
Reference: BBBH4399_1784632441
APPLY Job Description
Senior Highways / Drainage Infrastructure Engineer
Highways | Drainage | Integrated Infrastructure
Type: Full Time, Permanent
Working Pattern: Hybrid / Flexible
An established and employee-owned civil engineering consultancy is expanding its Infrastructure team due to sustained growth and increasing workload. They are seeking Senior Engineers with a consultancy background who specialise in highways design, drainage design, or both, and who are comfortable working across multidisciplinary development projects.
This opportunity suits engineers who enjoy technical ownership, client-facing work, and mentoring junior staff, while contributing to the delivery of high-quality infrastructure solutions across the public and private sectors.
The Role
Depending on your background and strengths, you will work on highways, drainage, or integrated infrastructure schemes, supporting projects from early feasibility and planning through to detailed design and construction.
You will be involved in project delivery, technical design, client coordination, and supporting junior engineers, with scope to broaden your skillset where desired.
Typical Responsibilities May Include
- Leading or contributing to highway and/or drainage design packages
- Preparing and reviewing technical reports, drawings, and design outputs
- Delivering projects in line with agreed budgets, programmes, and standards
- Supporting fee proposals and ongoing project management
- Liaising with clients, local authorities, statutory bodies, and contractors
- Attending client and design team meetings
- Guiding, supporting, and mentoring junior team members
- Working collaboratively within a multidisciplinary environment
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Relevant Highways And/Or Drainage Experience May Include
- Design of adoptable highways and infrastructure, including Section 38 and Section 278 schemes
- Design of residential estate roads, commercial, and industrial access arrangements
- Junction layouts, vehicle tracking, and access design in line with current standards
- Highway and drainage design in accordance with DMRB, Local Authority standards, and guidance
- Drainage design from feasibility through to detailed design, including on-plot and highway drainage
- Preparation of Flood Risk Assessments, Drainage Strategies, and technical drainage notes
- SuDS design including ponds, basins, tanks, swales, and rain gardens
- Section 104/106/185 drainage designs and approval processes
- Design to CIRIA guidance, Sewerage Sector Guidance, Building Regulations, and local standards
- Ground modelling, earthworks, and pavement design
- Liaison with Local Authorities, National Highways, LLFAs, statutory undertakers, and the Environment Agency
- Supporting tender and construction phases, including responding to RFIs and technical queries
About You
- UK consultancy experience in highways, drainage, or both
- Proficient with AutoCAD (essential) and Civil 3D
- Experience with InfoDrainage and/or Site3D is advantageous
- Strong understanding of relevant design standards and guidance
- Confident communicator with good written and verbal skills
- Able to manage multiple projects and priorities
- Comfortable in a client-facing role
- Chartered or working towards Chartership is welcomed, but not essential
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What's On Offer
This is an employee-owned business, meaning staff have a genuine stake in the company's success. The benefits package includes:
- Competitive salary with performance-based progression
- 25 days annual leave plus bank holidays
- Hybrid and compressed working options
- Discretionary performance-related bonus
- Company pension with matched contributions up to 6%
- Private medical insurance
- Season ticket loan and Cycle to Work scheme
- Enhanced maternity and paternity benefits
- Structured personal development and training
- Sports and social club with regular events
How to Apply
If you are an Engineer with highways experience, drainage experience, or a strong mix of both, and are looking to join a collaborative, employee-owned consultancy, this is an excellent opportunity.
To apply or raise any queries, please apply or contact Michael Finch directly;
07787 736 270
Aldwych Consulting values diversity and promotes equality. No terminology in this advert is intended to discriminate against any of the protected characteristics that fall under the Equality Act 2010. We encourage and welcome applications from all sections of society and are happy to discuss reasonable adjustments and/or additional arrangements as required to support your application.
Candidates must be eligible to live and work in the UK.
For the purposes of the Conduct Regulations 2003, when advertising permanent vacancies, we are acting as an Employment Agency, and when advertising temporary/contract vacancies, we are acting as an Employment Business.
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