He has managed infrastructure for systems used by MTN Group (Africa & Asia), Orange, and Telecel. He also worked for Neotel as a field service engineer and CTO for a wireless research NPO. His professional software engineering career started when he joined a startup in Stellenbosch. Since then he wrote network monitoring software for Iris Network Systems and electricity analysis software for Energy Partners.
Willem is a GNU/Linux enthusiast and ambassador for free and open-source software (FOSS). He is a qualified SARL (amateur radio) operator and MongoDB Certified DBA.
Willem is part of the DevOps team