Szabolcs Kardos
Senior Network Security Consultant
Experience
Senior Network Security Consultant
Mann+Hummel
- Network segmentation in a production IT environment
- Firewall migrations
- Integration of remote access sites
- Implementation of POCs (Backup, SCADA)
- Working in a multicultural environment
- Applied technologies: Panorama & Palo Alto Firewalls, Checkpoint, ServiceNOW, MS Azure Cloud
Senior Network Security Engineer
Leoni
- Network segmentation
- Firewall rule concepts
- Redesign and optimization of firewall rule bases
- Performing carve-outs
- Working in a multicultural environment
- Applied technologies: Palo Alto Firewalls and Panorama Management, Palo Alto GlobalProtect, User-ID, App-ID, Cisco ASA, ServiceNOW, MS Azure Cloud
Senior Network Security Consultant
Umweltbank
- Developing network & firewall concepts
- Vendor management
- IP address schema
- Network infrastructure optimization
- Site-to-site VPN
- Client VPN
- Managing service providers
- Applied technologies: Palo Alto Firewall, Sophos UTM, Juniper switching, Jira, Confluence, atruvia
Senior Network Security Engineer
BNP Paribas Deutschland / Consorsbank
- LAN, WLAN, IPSec VPN, WAN
- On-call service
- Vendor management
- Emergency drills
- 2nd and 3rd level support
- Reporting
- Monitoring
- Creating network documentation and user manuals
- Inventory management
- Firewall migration and virtualization
- Data center infrastructure
- Working in a multicultural environment
- Applied technologies: Data center, 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
Network Security Engineer
noris network
- Data center operations
- Management and documentation of various customer setups
- Monitoring
- 2nd and 3rd level support
- Vendor management
- On-call support
- Firewall reporting
- Migration of various firewall systems and virtualization
- Software update management
- Threat management
- Applied technologies: 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, data center
IT Specialist/Problem Manager
Siemens AG
- Cross-border integration of various medical devices into the Siemens landscape
- Troubleshooting (network, firewall)
- Working in a multicultural environment
- Site-to-site VPN management
- 2nd level support
- Applied technologies: Cisco, IPsec VPN, Lancom, multivendor
Network/Firewall Administrator
Atos
- Administration of site-to-site and client VPNs
- Maintaining 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
IT-Security Specialist
Lufthansa Systems
- Firewall & Proxy Management (new setups, 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
Network Engineer
Cognizant Technology Solutions
- Customer Management
- Troubleshooting (switches, routers)
- 2nd level support
- Applied technologies: Cisco, IPsec VPN, TACACS+, RADIUS, ACL
Administrator/Teamleader 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
System Administrator
CCS Hungary Kft
- System administration
- Network device management
- Installation and configuration of server systems and clients
- Administration of Linux-based firewalls
- Technologies used: Microsoft Active Directory, Windows 2003, Linux, Novell DS, Iptables, MS ISA, Cisco, Linksys
Industries Experience
See where this freelancer has spent most of their professional time. Longer bars indicate deeper hands-on experience, while shorter ones reflect targeted or project-based work.
Experienced in Information Technology (11.5 years), Automotive (6 years), Manufacturing (3.5 years), Banking and Finance (3.5 years), Healthcare (0.5 years), and Aerospace and Defense (0.5 years).
Business Areas Experience
The graph below provides a cumulative view of the freelancer's experience across multiple business areas, calculated from completed and active engagements. It highlights the areas where the freelancer has most frequently contributed to planning, execution, and delivery of business outcomes.
Experienced in Information Technology (21 years), Customer Service (5 years), and Operations (4 years).
Languages
Education
Szamalk
System Administrator · System Informatics · Budapest, Hungary
Corvin Matyas Fachgymnasium
Abitur, focus on IT · IT · Budapest, Hungary
Certifications & licenses
Checkpoint Certified Courses (CCSA + CCSE)
ISO 27001 Certified
Astaro/Sophos Security Engineer Course
Palo Alto Accredited Configuration Engineer (ACE)
Cisco Certified Courses (CCNA, CCNP, CCNP-SEC)
Profile
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