Started UNIX/C systems programming with Data General in 1982 and in 1990 moved to Fujitsu as a UNIX specialist.
In 1992 helped establish and manage an SGI and Convex scientific computing environment at the CSIRO’s Biomolecular Research Institute (BRI).
In 1994 worked as a UNIX infrastructure, performance and security consultant with the Fulcrum Consulting Group.
In 1996 joined Sun Microsystems Professional Services as a Solaris and Java Architect and did anything to stay busy for the next 8 years: architect, developer, troubleshooter, project manager, trainer…