Our Services

What we love doing


Design and Asset Management for major transport, water and utility infrastructure projects and corridors.


Design for earthworks, roads, structures, stormwater and utilities for industrial, commercial and residential land developments.


Civil engineering design for wind, solar and hydro energy projects, including design of access roads and hardstands.


Our business leaders

Chris Turnbull


Chris is the founder of Turnbull Engineering and an experienced leader of major transport infrastructure projects. He uses his broad technical design and construction leadership experience to drive value early in projects and inspire teams to deliver exceptional results.

Mark Evans


Mark is a leading Design Manager of civil infrastructure across building, subdivision, transport and renewable energy projects. He is respected by government and private clients as being a highly effective leader of technical teams on Australia’s largest and most complex infrastructure projects.

Mark Cameron, Technical Director at Turnbull Engineering

Mark Cameron


Mark is a pre-eminent leader of the design of major water infrastructure across Sydney, including stormwater drainage, flood mitigation and WSUD. Mark’s recent achievements include the leadership of drainage detailed design teams delivering Sydney Light Rail and WestConnex and Sydney Metro Projects.

We are high performance engineers

contact us


Our clients that we are proud of working with

  • NSW Roads and Maritime Services
  • Barangaroo Delivery Authority
  • Lendlease
  • John Holland
  • Acciona Infrastructure Australia
  • Caltex Petroleum Australia
  • Goldwind Australia
  • Jacobs Engineering Group