CV or Who am I

Endre Szabo, Systems Engineer

I am 35, male, married, one son.

I live in Budapest, Hungary

I have driving license, fluent English.

Professional Experience

2014– Systems Engineer

at the Ltd, main tasks:

  • design, build, implement and support application level proxy firewalls,
  • development and support of centralized authentication solution for VPN, wired and wireless NAC and host SSH access fields,
  • security device log analysis to assure security policies, forensics and incident response
  • development of Web-based networking equipment management utilities
  • general systems management consultancy

2013–2014 Network Security Consultant

at the NISZ National Infocommunications Services ZRt., duties include:

  • proactive monitoring of network threats
  • designing IPS patterns based of detected threats
  • security audit of corporation technologies including configurations, updates and management of such hardware and software assets.
  • consultancy on security architecture strategy at the organization.
  • conducting incident investigations and keeping contact with authorities and partner organizations.

2008–2013 UNIX Systems Engineer

at the state-owned NISZ National Infocommunications Services ZRt., duties include:

  • administration of Layer7 firewall clusters
  • administration of Sun Solaris Clusters with VxVM/VxFS
  • administration of Linux Clusters
  • designing and administering Enterprise Storage solutions (mainly EMC 2 and Hitachi)
  • VMware vSphere administration
  • developing monitoring solutions (Nagios & collectd plugins)
  • developing management solutions (based on Perl and/or Python depending on task)

2002–2007 UNIX Systems and Network Administrator

at the government organization Central Agricultural Office, main tasks:

  • all-inclusive administration of Linux and Solaris based database servers
  • administration of the network rig (30 routers, many switches and VoIP SoftSwitches)
  • administatrion of firewalls and caching proxies


  • 2013 Employee of the Year for significant contribution to government backbone network security.


  • 2013–2017 BSc in Computer Engineering, specializing in Network Systems Engingeering


  • 2014 BalaBit Zorp Expert
  • 2014 BalaBit Shell Control Box support engineer
  • 2014 BalaBit Syslog Store Box support engineer
  • 2014 BalaBit Syslog-ng support engineer
  • 2013 EC-Council Certified Security Analyst
  • 2013 EC-Council Certified Ethical Hacker
  • 2012 EMC 2 VNX File Storage Deployment and Management
  • 2012 EMC 2 VNX Block Storage Deployment and Management
  • 2011 e-Szigno Certified PKI Expert
  • 2010 Hitachi Data Systems Enterprise Storage Fundamentals
  • 2010 Hitachi Data Systems Enterprise Software Solutions
  • 2010 Hitachi Data Systems In-System Replication Fundamentals
  • 2009 Sun Cluster 3.2 Advanced Administration
  • 2009 Sun Cluster 3.2 Administration
  • 2008 Sun Solaris 10 System Administration

Research interests

Being an old school hacker I like to develop new, unusual use-cases for well known TCP/IP based services, like DNS-based port knocking, proactive DDoS prevention that processes live logs from heavily loaded firewall clusters, one-to-one mapping spam filter, etc.

Now open for hiring