Szabolcs K.-Senior Network Security Consultant

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Experience
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
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, AppID, Cisco ASA, ServiceNOW, MS Azure Cloud
Senior Network Security Consultant
Umweltbank
- Development of network and firewall concepts
- Vendor management
- IP address schema
- Optimization of the network infrastructure
- Site-to-site VPN
- Client VPN
- Service provider management
- Technologies used: 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 exercises
- 2nd-, 3rd-level support
- Reporting
- Monitoring
- Creating 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
Network Security Engineer
noris network
- Datacenter operations
- Management and documentation of various customer setups
- Monitoring
- 2nd-, 3rd-level support
- Vendor management
- On-call service
- 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 Forti Manager, PfSense, Firewall virtualization, SSL VPN, OTRS, Jira, tcpdump, Datacenter
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
- Site2Site VPN Management
- 2nd level support
- Applied technologies: Cisco, IPSec VPN, Lancom, Multivendor
Network/FW Administrator
Atos
- Administration of Site2Site and Client VPN
- Maintenance of FW 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 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
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
Industry experience
See where this freelancer has spent most of their professional time.
Experienced in Information Technology, Automotive, Manufacturing, Banking and Finance, Healthcare, and Aerospace and Defense.
Business area experience
See which departments and functions this freelancer has contributed to most.
Experienced in Information Technology, Customer Service, and Operations.
Languages
Education
Szamalk
System Administrator · Systems Informatics · Budapest, Hungary
Corvin Matyas Fachgymnasium
Abitur, focus on IT · IT · Budapest, Hungary
Certifications & licenses
Checkpoint Certified Kurse ( CCSA + CCSE )
Astaro/Sophos Security Engineer Kurs
Palo Alto Accredited Configuration Engineer ( ACE )
Statistics
Experience
Global experience
Expertise
Qualifications
Profile
Frequently asked questions
Have questions? Find more information here.
Szabolcs is based in Nuremberg, Germany.
Szabolcs speaks the following languages: Hungarian (Native), German (Advanced), English (Advanced).
Szabolcs has at least 22 years of experience. During this time, Szabolcs has worked in at least 9 different roles and for 11 different companies. The average length of individual experience is 2 years. Note that Szabolcs may not have shared all experience and actually has more experience.
Based on recent experience, Szabolcs would be well-suited for roles such as: Senior Network Security Consultant, Senior Network Security Engineer, Network Security Engineer.
Szabolcs's most recent position is Senior Network Security Consultant at Mann+Hummel.
In recent years, Szabolcs has worked for Mann+Hummel and Leoni.
Szabolcs is most experienced in industries like Information Technology, Automotive, and Manufacturing. Szabolcs also has some experience in Banking and Finance, Aerospace and Defense, and Healthcare.
Szabolcs is most experienced in business areas like Information Technology, Customer Service, and Operations.
Szabolcs has recently worked in industries like Automotive and Manufacturing.
Szabolcs has recently worked in business areas like Information Technology.
Szabolcs attended Szamalk for Systems Informatics.
Szabolcs has 5 certificates. Among them, these include: Checkpoint Certified Kurse ( CCSA + CCSE ), ISO 27001 Certified, and Astaro/Sophos Security Engineer Kurs.
The availability of Szabolcs needs to be confirmed.
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The median daily rate is the middle value of all daily rates — half of comparable freelancers charge less, half charge more. Unlike the average, it is barely affected by outliers.
Calculated based on our freelancers’ daily rates as of 27 Sep 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.
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