Company wide responsibilities and expertise:- Software development (PHP, PostgreSQL, bash, WHMCS, Wordpress)- Linux System Administrator (CentOS, Fedora, ArchLinux)- Network Operations (Vyatta, Ubiquiti Unifi, OpenVPN, OSPF, Observium, Long distance Wifi link, Wireless ISP)Projects for several customers of Exa-Omicron:- Avaya (Outsourced, Build SQL Data warehouse / Managment Reporting Tool)- CallsDiscount (Asterisk VoIP Server, programming php, managing MySQL CDR database, and near-realtime costs/profit reporting)- Carrier2Carrier (Asterisk VoIP)- EDNL - Liftstatus (PHP, Asterisk, PostgreSQL), GateState (PHP, Arch Linux, Ansible, Beaglebone Black, RS485), SenseCloud (PHP, Arch Linux, Ansible, Beaglebone Black)- Flying Bytes Mobile (Website with PHP, HTML)- LOB (programming php for subsribers administration website)- Maxeda (Outsourced, Build Management Reporting Tool)- Serverius - Customer Portal (WHMCS, PHP, MySQL, MSSQL, Cisco Routers, Huawei ATIC Anti-DDoS)- Speedlinq (Programmed PHP, HTML, Modem settings conversion Tool)- Strukton (Outsourced, Programmed a Delphi Application for handling barcodes)- Tismi (Linux server administration, Asterisk VoIP)- Telesur - VoIP Platform (PHP, PostgreSQL, Asterisk, Kamailio, DRBD)- Tenovis (Outsourced, Build SQL Data warehouse / Managment Reporting Tool)- UTS - VoIP Platform (PHP, PostgreSQL, Asterisk, Kamailio, DRBD)- XB (Outsourced, Programming Perl on Virtual ISP Platform)

Created a Software application with Borland C++Builder to disassemble the software running on chipcards (creditcard sized card with a chip)

Created a Datawarehouse on a MS SQL Server. Created a Delphi frontend for reporting purposes. Reports created are used by management and employees, by choosing their own level of details. The reporting system is in a later stage expended to a web interface. Data is pulled from SAP, BW and Siebel.

Complete system / network administration of all servers for the internet service provider Delftnet. Servers were based on Redhat Linux. Several tasks:- DNS (Bind)- websites / configs (Apache)- VPN (pptp over dsl modems)- User auth. (Radius)- etc.