Krisztián Korcz
IT-Soc/Vulnerability
Experience
IT-Soc/Vulnerability
ITZBund
- Vulnerability management (Greenbone, Tenable SC, Rapid7)
- Automation of vulnerability scans
- OpenTofu (Terraform)/Ansible/Vault/Podman/Docker
- Compliance audit
- SOC (ElasticSearch, Graylog)
- Python/Rust/Bash/Shell/PowerShell
- Git collaboration
- Report standardization and automation
- POC for several vulnerability scanning systems
- Setup of vulnerability scanning system
IT Security Compliance Hardening Specialist
BWI / Thales Group
- ZCSBw/CIS/NIST/BSI Windows/Linux
- Hardening automation (JSON/PowerShell/Shell/Bash/Python)
- Hardening Linux
- Hardening Windows (Client/Server)
- Golden images Linux (Preseed/Kernel compile/TPM)
- Golden images Windows (Microsoft MDT)
- Tenable compliance audit scripting (Nessus)
- Rundeck automation
IT-Webcheck Team
ITZBund
- Penetration test (Burp, OWASP, Metasploit)
- Automation platform architecture
- Vulnerability management (OpenVAS, Nessus)
- SOC (ElasticSearch, Graylog)
- Collaboration penetration testing platform
- Report standardization and automation
- Expansion of the penetration testing concept
- Audit support
IT Network Security Team
ITZBund
- Firewall automation (Ansible/Python/Perl/Shell)
- Firewall installation (Cisco Firepower/ASA)
- Firewall configuration (CLI, ASDM, Automation)
- Cisco ISE administration
- API interface development (Tufin, DDI, BMC Remedy)
- DDoS and attack analysis (Arbor)
- Graylog analysis
IT Middleware Team
ITZBund
- Hardening (CIS/NIST)
- Deployment
- Automation
- Pentest/Audit risk analysis
- Log analysis (Splunk)
- Scripting (Bash/Python/CLI)
- JBoss/Tomcat/Apache
IT Cyber Security Consultant
Lufthansa Group
- Hardening (CIS/NIST) management
- Penetration test
- Vulnerability management (Qualys/Tenable SC)
- Web and application analysis (QRadar)
- Patch management
- Report automation (PowerShell)
- CERT (KeepBlue/DejaBlue)
IT Technical Consultant for Application, Infrastructure and Security
DB Investment Services
- Oracle WebLogic (Migration 10–12)
- Elasticsearch, Logstash, Kibana (ELK for log analysis and SIEM)
- Code review
- Hardening (CIS/NIST)
- Penetration test (OWASP Guideline)
- Vulnerability scan and analysis (Tenable SC)
- Infrastructure LAN/DMZ/Wireless test
- ActiveMQ/FUSE
- WLST/Python/Bash/KSH
- UC4
IT Security Penetration Tester
ECB via Airbus MSP
- Penetration test (OWASP Guideline)
- Vulnerability scan and analysis (Tenable SC)
- Infrastructure LAN/DMZ/Wireless test
- Web and application analysis (ArcSight)
- Mobile application test
Technical Consultant Internet Portals Application Services
Commerzbank AG
- Operation/integration test setup for API management platform (Axway, MySQL, Cassandra)
- Infrastructure consulting for HA system
- Production and test environment setup
- Product deployment and configuration
- Coordination of online banking penetration test
- Coordination of ELK log analyzer rollout
- Regex scripting for anomaly detection
- Automation
- WebSphere Application Server 8.5
- Linux/Solaris
- Shell (Bash/KSH), Perl, Python
- HP Service Center/HP Service Manager
Technical refresh of WebLogic and Java
Deutsche Bank Applikation Services
- Oracle WebLogic 12
- WLST/Jython
- Java 1.7
- IBM RCM
- TeamCity
- Sonar, Nexus/Maven
- Linux/Solaris
- Shell (Bash/KSH)
- Perl
- GCM/JIRA
Technical Security and Risk Management
Deutsche Bank Trier
- System and infrastructure analysis
- Infrastructure architecture
- Technical solution architect
- Security and risk assessment
- Technical coordination of infrastructure integration
- Performance optimization
Patch and Security Management for Middleware and Web Servers
BASF
- Script automation (KSH/Bash/Perl)
- Apache Web/Tomcat
- Web server security (Apache/IIS) and monitoring
- WebSphere (WAS)
- BladeLogic (patch, deployment result monitoring and reporting)
- Configuration management (Subversion)
- LAMP system support
- Patch automation
- AHD ticketing system
Build and Deployment Manager and Software Configuration Specialist
Deutsche Telekom AG
- Technical architect
- User, deployment, and security concept
- Configuration management (Subversion)
- Apache/Tomcat
- Maven/Ant/Groovy
- CI/CD (TeamCity/Jenkins/Nexus)
- Redline-RPM
- Subclipse
- Zypper
- Build/Deployment
- Bash/KSH/Groovy/Jython/XSLT scripting
- LAMTJ system support
- Jira ticketing system
Software Configuration Specialist
1&1 Internet AG
- Technical, user, deployment, and security concept
- Apache/Tomcat/JBoss
- Maven/Ant
- Jenkins/Puppet/Nexus
- Build/Deployment
- Nagios/Nimsoft (Zeus)
- LAMP system support
Consultant QTS TEDS
Deutsche Telekom AG
- LAMP (Linux, Apache, MySQL, PHP)
- IBM WebSphere MQ (Solaris & Linux)
- Configuration management (SVN, GIT)
- Build management (Maven, Ant, Jenkins, Nexus)
- Deployment (RPM, KSH/SH/Bash/PL)
- Middleware configuration (JBoss, Tomcat)
- Scripting and automation
- Agile method (Kanban)
CMS Web Development
Danubius Language and Culture Association Darmstadt e. V.
- Drupal installation
- Drupal configuration
- PHP patching
- Design (CSS development)
- MySQL administration
Software Configuration Specialist
Deutsche Bank AG PBC IT
- IBM WebSphere MQ (Solaris)
- Configuration management
- Deployment
- Middleware configuration (Oracle WLS)
- IBM Tivoli Job Scheduler (Maestro)
- Veritas Cluster
- Scripting and automation (Bash/Perl/Jython/XSLT)
- Jira and GCM ticketing system
Deployment Consultant at T-Com
SL Software Consulting
- Configuration management
- Release and rollout management
- Build and deployment management
- Middleware configuration (WebSphere, JBoss, Tomcat, WebLogic)
- Scripting and automation for deployment
- Unix/Linux administration (Solaris, SLES)
- Jira ticketing system
Infrastructure and System Analyst at RCO Terminal Systeme GmbH
DK Telecom Software Zrt.
- Network measurement for seven branches
- Network management
- Project management (network optimization)
- Network planning (T1/T2/T3 network)
- Network cost planning
Software Developer at CIDA GmbH
DK Telecom Software Zrt.
- MS Access database support
- MS VB6
- Linux server administration
- Oracle XE administration on SUSE Linux
- Testing new hardware and software
- Communication coordinator
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 (6.5 years), Government and Administration (6.5 years), Telecommunication (6.5 years), Banking and Finance (6 years), Aerospace and Defense (1.5 years), and Chemical (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 (20.5 years), Operations (6 years), Quality Assurance (3.5 years), Audit (3 years), and Project Management (0.5 years).
Languages
Education
University of Pécs
Technical University Teaching Degree · Pécs, Hungary
University of Pécs
Technical Computer Engineering Cybernetics - Robotics specialization, System Architect - Operator module · Pécs, Hungary
Gergely Czuczor Catholic High School Győr
Győr, Hungary
Certifications & licenses
Advanced security clearance by the BMWi (Ü2) according to §9 SÜG
Reliability check according to §7 Aviation Security Act (LuftSiG)
OSCE - Offensive Security Certified Expert
OSCP - Offensive Security Certified Professional
Metasploit Ruby Scripting
Advanced Java (J2EE) Seminar
EC Forensic Analyze Basics
CEHv7 - Certified Ethical Hacker Seminar
Solaris 10 Operating System Administration For Experienced UNIX Administrator Course
Oracle DB Administrator "DK-Telekom Internal" Course
Cisco CCNA Course
Implementing and Administration of Microsoft Windows 2000 Directory Services
MS Course: "Basic Administration Of Microsoft Windows 2000"
Profile
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