Aircrew, Engineers, Software Developers, Project Managers. Our people are the best in the business. They have the professional skills and wealth of experience needed to optimise solutions to meet and exceed expectation. Combined, our composite teams provide agile solutions to promptly resolve complex problems. These teams are assembled to provide the right mix of skills to get the job done. Their job is to simplify, not to complicate.

The Sigma Bravo Family

We take the ‘Family’ core value seriously. For us, it means that we treat each other like family, but we also we treat our customers like family. We rely on the network of amazing individuals to deliver beyond expectation, for our clients every single day.


Key Personnel


Managing Director - Tim Wedding

Tim Wedding

Managing Director

Tim is an experienced avionics engineer and project manager with over 20 years experience working within, and now directly supporting, the Australian Defence Force.

In addition to his normal work, Tim lectures on a number of ADFA Commercial Courses including the Military Application of GPS and Airworthiness.


Mike Wagstaff

General Manager Operations

Mike is responsible for all service delivery including Engineering Services, Operating Support and Training, as well as Contract management, including performance monitoring and reporting.

Mike has a wealth of military aviation operations in varied contexts, coupled with extensive commercial experience in challenging, technology environments. He ensures service delivery goes above and beyond contractual requirements, and continues to develop metrics to demonstrate value delivered to our clients.


Karen Schilling

General Manager Corporate

Karen is a highly capable Business Analyst with several years experience supporting the implementation of corporate business support systems such as SAP. She holds a primary degree in Management with a Masters in Human Resource Management.

Within Sigma Bravo, Karen manages business operations inclusive of all Human Resources, ISO-9001 and Defence Security requirements for our distributed workforce.