Our People

A Team of Experts

FIELD is made up of excellent people. This is who leads them.


General Manager

David Hartigan

B.Eng, B.Bus, RPEQ, FIEAust, EngExec,  GAICD.
Experience: 20 years in Construction, Maintenance and Consulting.
Key areas of expertise:

  • Cranes and Rigging systems
  • Incident Investigation & Forensic Engineering

Most rewarding partof the job
Working with an excellent team that we’ve built from scratch over many years.


Manager – Mining and Projects

Jon Halliday

BE, WTIA, Global Minerals Industry Risk Management.
Experience: 22 years in the mining industry
Key areas of expertise:

  • Construction and Maintenance Shutdowns
  • Draglines
  • Shovels
  • Washplants

Most rewarding part of the job
Seeing a machine go back up online after it’s been completely rebuilt in the field. I love it when a plan comes together.


Senior Civil/Structural Engineer

Matt Posthumus

B Eng (Civil) CP Eng RPEQ Pr Eng (RSA)

Experience: 35 Years in in civil design and construction
Key Areas of expertise

  • Infrastructure services – roads, drainage, water, sewerage, earthworks.
  • Concrete, masonry and steel structures.

Most rewarding part of the job
Devising a practical engineering solution for a unique set of circumstances and then overseeing its construction. Mentoring younger engineers and watching them gain experience and confidence.


Manager – Engineering

Slawek Drabot

BE (hons), MSc, GDM, CPEng, RPEQ

Experience: 7 years in the mining industry, 14 years in product development and manufacturing for the vertical transportation industry (lifts, escalators, conveyors)
Key areas of expertise:

  • Product development
  • Supply chain management

Most rewarding part of the job
Solving problems, the harder the better.


Manager – Field HSE

David Corbett


Experience: 18 years in the occupational hygiene, health & safety management & consulting roles.
Key areas of expertise:

  • Occupational Hygiene Programs
  • Environmental Monitoring
  • Noise & Vibration
  • Asbestos Management
  • Hazardous Chemicals
  • HSE Management Systems

Most rewarding part of the job
Working with clients to realise improvements in workplace health and safety.


Manager – Commercial

Matt Doidge

Experience: 19 years in the mining industry
Key areas of expertise:

  • Project Management
  • Shutdown Maintenance
  • Mechanical design and drafting.

Most rewarding part of the job
Working with clients to identify the root of their problem and then designing an efficient solution for them. It’s always fun to come up with a design that does more, with less.

FE Org Chart