Senior / Principal Design Engineer

Company: Aldwych Consulting
Apply for the Senior / Principal Design Engineer
Location: Bristol
Job Description:

Overview

In this role you will lead infrastructure design for highways, drainage, and related development schemes across residential, commercial, and public sector projects. You’ll work within a collaborative team in Bristol, taking a lead on project delivery and client liaison as your experience allows. The role covers feasibility through approvals, shaping technical solutions and ensuring quality across outputs. You will contribute to a forward-thinking practice focused on complex, high-profile schemes and professional growth.

Pay / Benefits

  • hybrid working and flexibility
  • competitive benefits package
  • regular salary reviews
  • generous annual leave
  • clear career progression pathway
  • structured chartership support

Responsibilities

  • Lead the design and delivery of highways and drainage infrastructure for development schemes
  • Produce and review highway designs (S38 / S278) at preliminary and detailed design stages
  • Deliver drainage designs (S104 / S98) including surface water, foul drainage and SuDS
  • Undertake earthworks and site level design for development projects
  • Coordinate with planners, architects, external consultants, and approving authorities
  • Support technical delivery from feasibility to detailed design and approvals
  • Manage design workflows and ensure quality and efficiency across outputs
  • Mentor and support junior engineers and technicians
  • Take on increased leadership, client liaison and team development at Principal level

Key requirements

  • Strong experience in civil infrastructure design, particularly highways and/or drainage
  • Background on UK development infrastructure projects
  • Knowledge of relevant design standards, approvals and technical requirements
  • Proficiency in Civil 3D, MicroDrainage / InfoDrainage, Causeway Flow, PDS
  • Experience producing/coordinating designs for residential, commercial or mixed-use developments
  • BEng / MEng in Civil Engineering (or equivalent experience)
  • Strong communication skills with stakeholders
  • Strong communication
  • Stakeholder management
  • Mentoring and team development
  • Civil 3D
  • MicroDrainage / InfoDrainage
  • Causeway Flow

…

Posted: October 1st, 2026