JM Tosses

Responsible for petabyte storage hardware and filesystem installations as well as maintenance at customer sites mainly in but not limited to EMEA.

Building a High-Level Support Department for EMEA

As head of the department operations and help desk I am responsible for a team of eight administrators ensuring the stability and efficiency of our different internal and external network services. Those include two data centres with several virtual XEN as well as real servers running clustered applications like MySQL, MogileFS, Apache, Squid, Citrix and Navision.

As external consultant for firewall-administration and 2nd level support, monitoring und security consulting I had to care for several different proxy systems as well as for checkpoint firewalls and F5 Big IP load balancers. I attended to security meeting, trained and consulted employed administrators. I wrote Nagios monitoring scripts for Windows- and Linux based proxy systems in Perl and managed the 2nd level suport for RAS access via SecurID System.

As CTO and administrator of the ZDF.newmedia GmbH, the new media company of the German public television broadcaster ZDF, I had to plan and maintain several technical projects including • Administration, set-up and maintenance of (web-)projects • Planning, development and maintenance of a multilingual service for newsletters and mass mailings for the projects and programs • Planning and deployment of several large projects • Planning and setup network and data centre

• Administration and remote administration of the "Jukobox" project • Development, set-up and rollout of Linux based Low-Cost ISDN dial-on-demand gateways with VPN networking capabilities • Planning and set-up of the LAN and dial-on-demand WAN access of the A.I.M. stand at the NRW Media Expo at the Koelnmesse in cologne • Planning and migration of the “Jukobox” project web server from slackware to SuSE and later to Debian Linux