Postmaster at Technical Chamber of Greece
Greece
Postmaster at Technical Chamber of Greece
Greece
Postmaster, DNSmaster, System Administrator (SAGE Level IV) and Information Security administrator. Particularly interested in large scale email systems involving opensource software (ie. sendmail, postfix) and migrations to and from MS Exchange.
sendmail, postfix, MS Exchange, SpamAssassin, custom antispam solutions, BIND, Microsoft DNS server, MySQL, PostgreSQL.
Debian, Red Hat, FreeBSD, OpenBSD, DragonFlyBSD, Solaris
C, Perl, Python, Tcl/Tk, SQL (mostly SQL92) and dusting off Lisp (via newLISP)
Passed the CISA exam in 2005, design and implement security policies mostly for email systems, reading tcpdumps for network and security troubleshooting, setting up PF firewalls on BSD systems.
(Computer & Network Security industry)
1998 — Present (11 years )
(Government Agency; 501-1000 employees; Government Administration industry)
March 1997 — Present (12 years 9 months)
(Higher Education industry)
October 1993 — December 2006 (13 years 3 months)
System and Network administration for a network comprising of machines running (over the years) Ultrix, HP-UX, Solaris, FreeBSD, Red Hat, OpenBSD and Debian.
(Military industry)
January 2005 — July 2006 (1 year 7 months)
(Government Agency; Government Administration industry)
June 2001 — September 2003 (2 years 4 months)
Responsible for connecting the MTC to the Internet. Designed and installed the first systems and services including DNS, email, DHCP, firewall setup and helped migrating an old X.25 nation-wide network to an IP based one.
(Public Company; 11-50 employees; Information Technology and Services industry)
January 2001 — January 2002 (1 year 1 month)
Postmaster and DNS administrator for the University and GRNET.
(Public Company; 11-50 employees; Information Technology and Services industry)
March 1995 — December 1999 (4 years 10 months)
System and Network administration for both the NTUA and the GRNET. Router management. Deployment of native multicast for GRNET. Deployment of native IPv6 for GRNET. Security administration. Custom software development. Founding member of the GRNET CERT.
(Civil Engineering industry)
January 1997 — December 1997 (1 year )
System and Network consulting services for the implementation of a cadastral system.
(Higher Education industry)
February 1994 — July 1996 (2 years 6 months)
System and network administration of the laboratory's systems mostly maintaining an installation of Arc/INFO on HP-UX machines
MSc , Advanced Infrormatics and Computing Systems , 2007 — 2009
Dipl.-Ing. , Electrical and Computer Engineering , 1990 — 1996
Network Science, Complex Systems, Computer Networks, Computer Security, Compilers, Privacy Issues, Martial Arts, science fiction, Risk, Olympiacos
IEEE, IEEE Computer Society, ISOC-AU, ISACA, USENIX, SAGE, INSNA, Technical Chamber of Greece, Olympiacos