Szabolcs K. - Senior Network Security Consultant

Nuremberg, Germany

Experience

Jun 2022 - Present

3 years 7 months

Ludwigsburg, Germany

Remote

Senior Network Security Consultant

Mann+Hummel

Network segmentation in the production IT environment
Firewall migrations
Integration of remote access sites
Implementation of POCs (backup, SCADA)
Working in a multicultural environment
Technologies used: Panorama & Palo Alto Firewalls, Checkpoint, ServiceNOW, MS Azure Cloud

May 2020 - Jun 2024

4 years 2 months

Nuremberg, Germany

Senior Network Security Engineer

Leoni

Network segmentation
Firewall rule concepts
Redesign and optimization of FW Rule Bases
Execution of carve-outs
Working in a multicultural environment
Technologies used: Palo Alto Firewalls and Panorama Management, Palo Alto GlobalProtect, User-ID, App-ID, Cisco ASA, ServiceNOW, MS Azure Cloud

Nov 2019 - Present

6 years 2 months

Nuremberg, Germany

Senior Network Security Consultant

Umweltbank

Development of network and firewalling concepts
Vendor management
IP address schema
Optimization of network infrastructure
Site-to-site VPN
Client VPN
Service provider management
Technologies used: Palo Alto Firewall, Sophos UTM, Juniper Switching, Jira, Confluence, atruvia

Jan 2017 - Jun 2020

3 years 6 months

Nuremberg, Germany

Senior Network Security Engineer

BNP Paribas Deutschland / Consorsbank

LAN, WLAN, IPSec VPN, WAN
On-call duty
Vendor management
Emergency drills
2nd- and 3rd-level support
Reporting, monitoring
Creation of network documentation and user manuals
Inventory
FW migration and virtualization
Datacenter infrastructure
Working in a multicultural environment
Technologies used: Datacenter, Cisco Catalyst/Nexus, Stonegate/Forcepoint, Fortinet/Fortigate & FortiManager, Palo Alto Firewalls and Panorama Management, Checkpoint Nokia IP & VSX, SmartOne, F5 Load Balancer, Infoblox, SSL VPN, OTRS, Jira, Microsoft Visio, Remedy, ServiceNow, Cisco ACS

Nov 2012 - Dec 2016

4 years 2 months

Nuremberg, Germany

Network Security Engineer

noris network

Datacenter operation, management, and documentation of various customer setups
Monitoring
2nd- and 3rd-level support
Vendor management
On-call
FW reporting
Migration of various FW systems and virtualization
Software update management
Threat management
Technologies used: Juniper Netscreen/ISG/SRX, Junos, Sophos UTM/Astaro, Palo Alto Firewalls and Panorama Management, Checkpoint, Fortigate and FortiManager, PfSense, firewall virtualization, SSL VPN, OTRS, Jira, tcpdump, Datacenter

Jul 2012 - Oct 2012

4 months

Erlangen, Germany

IT Specialist/Problem Manager

Siemens AG

Cross-country integration of various medical devices into the Siemens environment
Troubleshooting (network, firewall)
Working in a multicultural environment
Site-to-site VPN management
2nd Level Support
Applied technologies: Cisco, IPSec VPN, Lancom, Multivendor

Sep 2011 - Jun 2012

10 months

Erlangen, Germany

On-site

Network/Firewall Administrator

Atos

Administration of site-to-site and client VPN
Maintenance of firewall rulesets
Token Management
Configuration of network devices
2nd level support
Applied technologies: Checkpoint, Juniper, Cisco, IPSec VPN, SSL VPN, RSA, ACL, CBAC, FW Monitor, tcpdump, VRF

Jul 2010 - Jan 2011

7 months

Budapest, Hungary

IT-Security Specialist

Lufthansa Systems

Firewall & proxy management (new installations, configuration, troubleshooting)
2nd Level Support
SIEM
Applied technologies: Squid, Microsoft ISA, Webwasher, McAfee, IBM Siteprotector, ArcSight, HP OpenView, IPSec VPN, Checkpoint, Cisco ASA, tcpdump, fw monitor, SIEM

Jan 2010 - Jul 2010

7 months

Budapest, Hungary

Network Engineer

Cognizant Technology Solutions

Customer management
Troubleshooting (switches, routers)
2nd Level Support
Applied technologies: Cisco, IPSec VPN, TACACS+, RADIUS, ACL

Dec 2005 - Dec 2009

4 years 1 month

Budapest, Hungary

Administrator/Team leader Network Systems

evosoft Hungary Kft (Siemens)

Management of LAN, WLAN, WAN
Monitoring
Documentation
User Manuals
1st, 2nd, 3rd Level Support
Multisite VPN
Applied technologies: Cisco & HP Networking, IPSec VPN, RADIUS, Microsoft AD (Win2003), Debian Linux, Cisco PIX/ASA, OTRS, QoS, Nagios

Apr 2004 - Dec 2005

1 year 9 months

Budapest, Hungary

System administrator

CCS Hungary Kft

System administration
Network device management
Installations and configurations of server systems and clients
Administration of Linux-based firewalls
Applied technologies: Microsoft Active Directory, Windows 2003, Linux, Novell DS, Iptables, MS ISA, Cisco, Linksys