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Letztes Update: 28.02.2024

System-, Netzwerk, Firewall, Security Engineer

Abschluss: Dipl.-Ing. FH Ulm, Studienschwerpunkt Industrieelektronik
Stunden-/Tagessatz: anzeigen
Sprachkenntnisse: deutsch (Muttersprache) | englisch (verhandlungssicher)

Dateianlagen

Projekte-freiberuflich_280224.pdf

Skills

Firewall: Phion, Barracuda, Checkpoint
Netzwerk: CISCO, HP, Brocade, LANCOM, Extreme
SDN: Cisco ACI, DNA, ISE
Unix: Informix, Reliant Unix, Sun Solaris, Siemens RM 60, AIX IBM Power Systems Scripting: Shell, Perl, Pyton
Datenbank: Oracle, Sybase, MSSQL
I have extensive knowledge of networks, network security, firewalls, script languages, databases, data analysis, troubleshooting as well as many years of practical experience in various areas and projects.
 

Projekthistorie

05/2006 - 05/2024
Network and Firewall engineer
data center Esslingen/Stuttgart (Internet und Informationstechnologie, 500-1000 Mitarbeiter)

Planning, design and operation of the active network infrastructure. Planning, design, installation and operation of firewall and IT security. Execute projects such as new network- implementations, extensions, and renewals on an international basis. Evaluation and specification of new network technologies. Identify vulnerabilities in the IT infrastructure, analyzing security threats, and provide recommendations. Development, maintenance and documentation of technical solutions. Overall concept of the internal network and external locations. Overall concept and operation of telephony over ip. Troubleshooting on systems, networks, firewall. work on the introduction of ipv6

10/2008 - 03/2009
Unix AIX IBM Systemadministrator
T-Systems (Telekommunikation, 1000-5000 Mitarbeiter)

Monitoring, systemadministration, troubleshooting and 2nd/3rd level support in the subject area worldwide, virtualization, installing of patches and updates Resource allocation for customers, administration of IBM Power systems/ applications worldwide Troubleshooting at systems/network problems in night shift and late shift operation

02/2008 - 05/2008
Networkadministration Daimler Network
Daimler (Industrie und Maschinenbau, 1000-5000 Mitarbeiter)

Version:0.9 StartHTML:0000000105 EndHTML:0000001886 StartFragment:0000000141 EndFragment:0000001846 Administration und troubleshooting on Cisco switches and router. Change and adjustment of the rules of Firewall. Design of active Network components. Installation und Konfiguration von aktiven Network components. Test und administration of active network components of different manufacturers. Assessment and support for migration and rollouts in the LAN/WAN Environment. Evaluation and specification of new network technologies Development, maintenance and documentation of technical solutions

07/2005 - 11/2007
Analyst of performance relevant OS parameters
company SUN at T-Systems (Internet und Informationstechnologie, 1000-5000 Mitarbeiter)

Project to determine future DWH reference architecture Analysis of performance relevant OS parameters Administration of SUN Solaris systems Creation of file systems, integration into networks, backup Team work with partners and benchmark experts from company SUN

05/2002 - 06/2005
Network and system administrator for Unix systems
BKK service center (Versicherungen, 10-50 Mitarbeiter)

Version:0.9 StartHTML:0000000105 EndHTML:0000002809 StartFragment:0000000141 EndFragment:0000002769 Network planning, implementation, expansion and monitoring (SAN) System support, monitoring of Unix processes, creation of Schell scripts Installation of updates and releases for BKK-specific software ISKV Connection via network (Fiber Channel) from external storage system (EMC²) to unix computers, cnstruction of a SAN network with Brocade components Monitoring and troubleshooting of everyday problems with networks computers, printers, applications Relocation of databases, applications, batches, printers, users from one computer to another to increase performance and create shell scripts for Automation. Installation of a SAN network with Brocade components Monitoring and troubleshooting day-to-day network problems,computers, printers, applications. Relocation of databases, applications, batches, users from one unix host to the other to increase performance and create shell scripts for automation Selection of the BKK specific data from the tables using SQL scripts

01/2001 - 12/2001
Software integration, trading support LBBW Bank
LBBW Bank (Banken und Finanzdienstleistungen, 250-500 Mitarbeiter)

Integration of GM/RV (MKI Risk/MISYS), risk management application into existing LBBW bank architectures and automation of process flows with scripts (start, check, stop processes, user evaluation). Creation and execution of stress and load tests for the frontend and backend area (e.g. how does Veritas Cluster react when a server fails). Unix shell script creation to user system in Sybase database and Checking which users are in the system, development of a web application for frontend with J2EE environment so that dealers can access the GM/RV system and make deals. Development of a tool with C++ for evaluating users accessing the GM/RV system. Creation of shell scripts for test automation. Error tracking and error separation across multiple systems (system, interface, application). Planning / testing of the necessary system changes. Monitoring and performance tuning of object store database. Backup planning with Veritas Netbackup and the Sun StorEdge. Planning disaster recovery for Sybase database. Integration of the tested and adjusted software into production. Handover planning to the data center operator. 2 and 3 level support on the integrated risk management Software and other trader specific software like Kondor+, Kobra, Eurex Application interface monitoring and troubleshooting on the individual modules Monitoring, analysis and tuning of the databases

06/2000 - 12/2000
Planung der Smart Standorte bei IBM
IBM AG (Internet und Informationstechnologie, 1000-5000 Mitarbeiter)

Version:0.9 StartHTML:0000000105 EndHTML:0000001335 StartFragment:0000000141 EndFragment:0000001295 Durchführung von zwei Projekten für Japan und England, wobei komplette Netzwerke für selbständige Smart-Standorte realisiert werden mussten Planung und Realisierung von Netzwerken mit Cisco-Apparatur. Mitarbeit in einem Team an der Anpassung und Programmierung der Schnittstellen zum Anschluß von Diagnose- Software an den CAN-Bus. Testen und Protokolieren von Diagnose-Software

Reisebereitschaft

Verfügbar in den Ländern Deutschland
Profilbild von Anonymes Profil, System-, Netzwerk, Firewall, Security Engineer System-, Netzwerk, Firewall, Security Engineer
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