Denis graduated as an MSc in optoelectronic devices and systems and worked for eight years as a system and network administrator. During his career, he was involved in the maintenance and expansion of large internal networks, with hundreds of workstations spread countrywide. Denis gained a very broad experience on different equipment, servers and software, including high-end switches and firewalls, VPN and VoIP solutions. From 2009, until joining Bond TM in 2011, Denis worked as a self-employed system engineer, in charge of maintaining the systems and networks of various customers.