Main skills and knowledge:

Consulting, implementation and administration of it infrastructures,
Advice on data protection and data security (ISMS, BSI-Grundschutz, ISO27001),
preparation of court reports and IT expertises,
IT forensic investigations and analyzes after security incidents,
System programming in Windows / Unix / Linux environment with Bash, Perl, Python,
IT Training in system programming, administration and security,
Systemintegration SBC (Single board computer) and controller like RaspberryPI, Arduino,
Programming and implementaion of Smart home / home automation and IoT solutions,
Data mining and Big data analyses,

Project experience and history:

Small projects and other services
Period:
since April 2020

Sectors:
Supervision of my own small and medium-sized companies from trade, insurance, finance, etc. Courts and law enforcement authorities (IT reports, IT forensics, mobile forensics),

Details:
- Data evaluation and data analysis with Python (Pandas,Numpy etc.),
- Programming with Python, Perl, Bash- Installation and administration of workstation and server systems.
- Interface programming with REST/API/SQL and PHP/Python/Bash and tools like curl,
- Installation and administration of virtualizations (Vmware / VirtualBox / KVM / LXC / Docker),
- Configuration and monitoring ring of Unix / Linux / Windows servers (Ansible / Nagios),
- Installation and configuration of Internet access, WLAN, UMTS and LTE,
- Installation and configuration of a Raspberry PI for network monitoring,
- Preparation of IT expert reports and IT forensic investigations after security incidents,

Hardware:
- Commercially available computers, notebooks and server systems,
- Commercially available network components, DSL routers, UMTS & LTE modems,

Software:
- Windows Server 2012, Windows Server 2016,
- MS-SQL Server, MS-Exchange Server,
- Linux systems Debian, CentOS, Kali Linux 2,
- Virtualization VMware, (Linux KVM), Docker,
- Cloud environments AWS (Amazon Web Services) and MS-AZURE,

Endress and Hauser, Reinach/Switzerland
Period:
Mai 2018 bis März 2020

Sector:
Industrie

Tasks :
- Design and implementation of a Windows installation server for the automatic installation of Windows HMI computers.
- Windows administration, Linux administration

Details:
- Conception and implementation of a Windows installation server with Windows Server 2016, MS-SQL Server 2014 and Baramundi Management Suit 2018 / R2 for Windows 10 HMI industrial systems.
- Creation of installation procedures with Baramundi Automation Studio,
- Creation of various scripts for the automatic Windows 10 HMI installation,
- Administration of new and existing Windows XP / 7/10 HMI systems,
- Administration of several gateway (jump) servers with Windows Server 2016,
- Administration of several synchronization servers with rsync and SuSE Linux systems,
- Remote Windows administration via CygWin / ssh and VNC,
- Windows 10 operating system backup and restore with Acronis True Image,
- Programming a software packaging and installation program with Python,
- Programming an admin tool for system queries and changes with Python,
- Creation of virtual test environments with VMware Workstation,
- Creating a web environment with XAMPP (Apache / MySQL / PHP and Rest/API).

Used software:
- MS Windows Enterprise 10 LTSB, Windows Server 2016, SuSE Linux,
- Baramundi Management Suite 2018, Baramundi Automation Studio,
- VMware Workstation 15.x, MS SQL Server 2014,
- CygWin64, Python 3.7, Bash, cmd, Powershell,
- XAMPP (Apache / MySQL / PHP),
- Acronis True Image (2018,2019).

Small projects and other services
Period:
Januar 2015 to April 2018

Sector:
Supervision of my own small and medium-sized companies from trade, insurance, finance, etc. Courts and law enforcement authorities (IT reports, IT forensics, mobile forensics)

Details:
- Creation of a data protection concept to enforce corporate data protection,
- Planning and IT security concepts based on the BSI basic protection catalog,
- Checking the company's own IT security for weak points,
- Installation and administration of workstation and server systems.
- Web-Interface programming with PHP/SQL and REST/API for crypto currency,
- Installation and administration of virtualizations (Vmware / VirtualBox / KVM / LXC / Docker),
- Configuration and monitoring ring of Unix / Linux / Windows servers (Ansible / Nagios),
- Installation and configuration of Internet access, WLAN, UMTS and LTE,
- Installation and configuration of a Raspberry PI for network monitoring,
- Setting up IT security solutions (firewall, IDS, virus protection, VPN),
- Creation and implementation of a data backup strategy (backup concept),
- Installation and configuration of Joomla and Wordpress websites on Apache web servers.
- Adaptation and programming of various theme templates for Joomla and Wordpress,
- Preparation of IT expert reports and IT forensic investigations after security incidents,
- Analyzing cellular devices (smartphones) and data recovery, data recovery,
- Installation and configuration of a malware / antivirus solution in the network,
- Use as an external data protection officer consultant.

Hardware:
- Commercially available computers, notebooks and server systems,
- Commercially available network components, DSL routers, UMTS & LTE modems,
- Forensic write blockers, interfaces, adapters and analysis systems and software,
- Cellebrite UFED (evaluation of smartphones / tablet PCs etc.),
- computer peripherals (printer, scanner, projector, etc.),
- QNAP-NAS storage systems,
- Tandberg RDX drive,

Software:
- Windows Server 2008, Windows Server 2012,
- MS-SQL Server, MS-Exchange Server,
- Linux systems Debian 7,8, CentOS 6,7, Kali Linux 2,
- Apache web server, Tomcat Sever, Joomla 3.x, Wordpress 4.x, Bootstrap3 / 4,
- Symantec Backup Ecex 2012,
- Symantec SEP End Point Protection,
- Cloud environments AWS (Amazon Web Services) and MS-AZURE,

Fiducia IT AGin Karlsruhe
Period:
October 2013 to December 2014

Sector:
Data center operations banks,

Task:
- programming work (scripting) with BASH and Perl,
- Operation (portal operation) of core banking applications,
- Support of the specialist teams through scripting (UNIX shell, Perl),
- project work.

Details:
- Developing a log tracker program across multiple network zones,
- Collection of current log file entries for a user ID after a security incident or commissioned by the State Criminal Police Office (LKA) and encrypted delivery by email.
- Encrypted distribution script for tools and applications to be installed,
- Automated login tests,
- Development of a program for accepting new portal orders,

Hardware:
- SUN E15K,
- SUN SPARC systems.

Software / Tools / Utilities:
- Perl 5.8.x on Solaris and Linux,
- Bash, ssh, gpg, curl, OpenSSL and other standard Unix tools,
- DB2 and Oracle databases.

Small projects and other services
Period :
From November 2012 to September 2013

Sector :
Supervision of my own small and medium-sized companies from trade, insurance, finance, etc. Courts and law enforcement authorities (IT reports, IT forensics, mobile forensics)

Details:
- Creation of a data protection concept to enforce corporate data protection,
- Planning and IT security concepts based on the BSI basic protection catalog,
- Consulting and implementation of IT security concepts and data protection.
- Checking the company's own IT security for weak points,
- Installation and administration of workstation and server systems.
- Installation and customization of Joomla and Wordpress websites.
- Setting up IT security solutions (firewall, IDS, virus protection, VPN).
- Preparation of IT expert reports on various topics,
- IT forensic investigation after security incidents,
- Use as an external data protection officer consultant.
- Programming with Bash, Perl, Python,
- Set up antivirus / malware scanner software from Kaspersky, TrendMicro, Symantec,
- Training in Linux / UNIX area.

Hardware:
- Commercially available computers, notebooks and server systems,
- Commercially available network components, DSL routers
- Forensic write blockers, interfaces, adapters and analysis systems and software,
- Cellebrite UFED (evaluation of smartphones / tablet PCs etc.),
- computer peripherals (printer, scanner, projector, etc.),

Software:
- Windows Server 2003, Windows Server 2008,
- MS-SQL Server, MS-Exchange Server,
- Linux systems Debian 6, CentOS 6, Backtrack5, Kali Linux,
- Apache web server 2.x, Joomla 2.x, Wordpress,
- Kaspersky Internet Security 2012,
- Cloud environments AWS (Amazon Web Services).

AtosAGinZürich/Schweiz, / SiemensIT-Solutions
Period:
From Mai. 2011 to Oktober 2012

Sector:
Data center operation, outsourcing provider.

Task:
- Administration of Nagios / SnagView Monitoring Server.
- Administration of Linux RHEL and UNIX (Solaris) servers.

Details:
- Maintenance and administration of several monitor ring servers with approx. 2000 clients,
- Administration of the performance monitoring ring with Cacti,
- Installation and configuration of new Nagios clients,
- Creation and maintenance of new monitoring scripts for internal and external checks
- Create your own MySQL configuration database,
- Programming work in bash and perl for administration and automation,
- Installation and administration of RHEL Linux servers (Vers. 4.x - 6.x) on physical hardware and as virtual systems (VMware guest systems),
- Installation and administration of Sun / Oracle Solaris on SPARC systems.

Hardware:
- FSC Primergy RX 100/200/300,
- SUN SPARC systems ..

Software / Tools / Utilities:
- Red Hat Enterprise Linux (RHEL) Server Vers 4.x, 5.x, 6.x
- SUSE Linux Enterprise Server 11 (x86_64)
- Solaris 9 and Solaris 10
- Nagios Core 3.2.3 including NRPE, NSClient, SNMP
- SnagView 2.5 (Freicon AG),
- OMD - Open Monitoring Distribution Version 0.46 (incl.Thruk)
- Tontonich Nconf 2.x,
- MySQL 5.x, Apache / HTTPD server
- VMware vSphere Client 4.x,
- OSM-Q 8.x Change Management,
- OSD Remedy.

T-SystemsEnterpriseServicesGmbHinGöppingen

Period:
From February 2008 to June 2010

Sector:
Telecommunications

Task:
- Application support for middleware solutions
- System programming with Perl and Unix Korn-Shell.

Details:
- Application support / administration
- maintenance of day-to-day business,
- Installation and administration of SUN One web servers,
- Migration of the application of SUN hardware and software to the IBM AIX operating system and WebSphere Application Server software.
- Installation and administration of IBM HTTP-Server, IBM WebSphere application and IBM WebSphere portal servers,
- Installation and administration of the applications operated.

System programming
- Web server log files for suspicious login entries such as DoS or DDoS hacker attacks evaluate, summarize and inform responsible administrators by email.
- Evaluate JBoss server log files for frequently occurring error messages, summarize and inform the responsible administrators by email.
- Programs for automated logins to various web server applications create to ensure and monitor login functionality,
- Monitoring of a download server with Oracle SQL queries,
- statistical evaluations such as Customer registration / download of documents,
- Script for the automated installation of an IBM HTTP server including IBM WebSphere Server Plugin configuration,
- Script to install Java libraries within the IBM WebSphere Application or Portal servers.

Miscellaneous
- Installation and test operation of a JBoss ON 2.0.1 (JON) monitoring system with Postgres SQL Database 8.3.3, as well as JBoss ON Agent on Solaris 9 and Solaris 10.

Hardware:
Sun: E10K, IBM: PPC

Software / Tools / Utilities:
- Sun Solaris 9, Sun Solaris 10, AIX 6.x,
- SUN ONE WebServer,
- IBM HTTP Server 6.x,
- IBM WebSphere Application Server 6.x,
- IBM WebSphere Portal Server 6.x,
- Perl v5.8 (Solaris / AIX / Windows)
- Perl Module: DBI, LWP :: UserAgent, Crypt :: SSLeay, WWW :: Mechanize, Data: Dumper,
- HTTP :: Cookies, HTML :: Form, HTML :: Parser, HTTP :: Proxy, HTTP :: Recorder,
- LWP :: Simple, HTML :: LinkExtor,
- AutoHotKey version 1.0.47.06
- Windows XP, cygwin, cygwin-x, putty, wincsp
- Firefox / Seamonkey including various extensions (e.g. LiveHeader, ModifyHeader, Cookie Editor) for HTML log analysis
- JBoss ON Server 2.0.1 including Postgres SQL Database 8.3.3,
- IBM WebSphere wsadmin Shell. Period:

IntercomponentwareAGinWalldorf
Period:
From June 2007 to September 2007

Sector:
Health

Task:
Administration of Linux servers and networks as well as web applications, VMWare servers, ISDN / fax servers.

Details:
- Administration of Linux servers in several Three Thier environments with Apache2 web servers, Tomcat 5.5 application servers, Apache James and Postfix e-mail servers, Zeus load balancers and Oracle databases.
- Deployment of the web applications.
- Construction of a test environment within a virtual environment (VMWare) with several Linux servers, web and application servers and an Oracle database.
- Administration of a BigSister monitoring system and snmp service.
- Administration of ISDN fax servers with ISDN system connection.
- Administration of two VMWare ESX servers with Windows and Linux guest systems.
- Creation of network and application documentation with Visio.

Hardware:
- HP Blade Server (Class C + Class P).
- Active ISDN adapters from AVM (C4) and Eicon Diva.

Software:
- SuSE Enterprise Linux 9 and 10 (32 + 64 bit).
- VMWare Server 1.0.2 (Windows), VMWare Converter, VMWare
- VMWare ESX Server.
- Zeus ZXTM load balancer.
- Apache 2.2.4, Tomcat 5.5, Apache ANT, Apache Maven, Apache James.
- Oracle 10.x, sqlplus
- Hylafax, capi4hylafax, GoFax applications.
- Unix Shell and Perl Scripting.

TelefonicaDeutschlandGmbHinVerl
Period:
January 2007

Sector:
Telecommunications

Task:
Error analysis, test and reconfiguration of ISDN fax servers

Details:
- Error analysis and test of several existing ISDN fax servers with AVM C4 cards and Debian Linux operating systems.
- Creation of analysis scripts to evaluate the sent and received faxes.
- Evaluating the tests for missing faxes or fax pages and documenting the results.
- Configure and recompile the latest Debian kernel for the AVM-C4 card.
- Get the latest fax server applications, recompile from the sources and to install.
- Configure and commission the fax server.
- Testing the fax server for errors and operational functionality.
- Evaluating the tests for missing faxes or fax pages and documenting the results.

Hardware:
- 3 x dual processor systems, manufacturer unknown.
- 6 x AVM C4 active ISDN adapters.

Software:
- Debian GNU / Linux 3.0 + 3.1, Linux Kernel 2.6.19-2
- AVM C4 ISDN Driver 3-11-06
- Hylafax 4.1, 4.2.1, 4.3.1.
- capi4hylafax 1.03.00

DeutscherSparkassenverlaginStuttgart
Period:
From Oktober 2005 to Dezember 2006

Sector:
Service provider, web hosting

Task:
Support of the operation of several Linux and Windows servers as well as the installed middleware and applications.

Details:
- Installation, commissioning and administration of several Linux servers with SuSE Linux Enterprise systems (SLES8) and Debian 3.1.
- Installation, commissioning and administration of several Windows 2000 servers Systems.
- Administrative support for the LAMP environments (Apache, MySQL, Perl / PHP), Tomcat and others on Linux.
- Support in the operation of third-party web applications (CLIX, S-WIN etc.), as well as various WBTs (Web Based Training) applications,
- Installation and provision of several Windows 2003 servers,
- Installation and operation of an LDAP server under Windows,
- Installation of IBM-Websphere under Windows 2000 with connection to an LDAP server,
- Support for Solaris systems (Solaris 8).

Hardware:
- IBM Server Series x336, x346 etc,
- IBM RSA adapter,
- FSC Fujitsu Siemens R220 Server.

Software:
- SuSE Linux Enterprise System 8 (SLES8)
- Debian 3.1
- Windows 2000 Server / Windows 2003 Server
- XAMPP 1.5.x, Apache 1.3.x, Apache 2.x
- Tivoli Storage Manager 5.x (TSM)
- Tivoli Management Framework V3.7.1 (TME)
- Tivoli Enterprise Console (TEC)
- Remcon 7.x, Netsupport Manager 9.x, Control / M
- Lotus Notes 5.x, 7.0
- Rational Portfolio Manager 7.x

BausparkasseSchwäbischHall/KreditwerkAGinSchwäbischHall
Period:
From März 2005 to Mai 2005

Sector:
Bank, building society

Task:
- program for collecting and displaying system data,
- SNMP configuration
- Revise, adapt and redistribute SUDO configuration files,
- General day-to-day business system administration UNIX,

Details:
- Conception and programming (Perl and ksh) of a program for collecting and
Display of system information on AIX, Solaris and Linux systems.
- Special emphasis was placed on the representation of the connected internal (SCSI) and external (SAN) storage systems and the information about available or occupied Disk space. The output takes place as text output for the console as well as in HTML Format for display in a browser. The program was on an admin workstation installed and configured so that the system data for all relevant servers is available daily collects and then makes them available via a web server.
- Configuration of the SNMP client systems on Sun Solaris systems (Vers. 7 + 9).
- Adjustment and testing of the parameters. Troubleshooting and patching the systems.
- Collect Sudo configuration files of the individual servers, revise and parameters to adjust. Provide Sudo configuration on a workstation and distribute it regularly.
- General day-to-day business (administration) of AIX, Solaris and Linux servers.

Systems:
- SUN Enterprise Exxx,
- SUN Fire Vxxx,
- IBM RS / 6000 / SP,
- Intel Server (RedHat),
- Hitachi SAN storage systems.

Software:
- SUN Solaris 8 + 9,
- AIX 4.x + 5. x,
- RedHat Enterprise.

DresdnerBank(DRKW)inFrankfurt
Period:
From August 2002 to Juni 2003

Sector:
Bank, data center

Task:
Conception, development and commissioning of a root password delivery system.

Conditions :
- System admins only request the root password for a system when required.
- Only authorized admins can request a root password.
- Transmission of the passwords via an encrypted connection.
- Each password is only valid once.
- Passwords are generated by a random generator.
- Encryption of the locally held data.
- Systems to be supported: Solaris, Linux, AIX.
- Backup not on tape robot. Highly available systems.

Details:
- Creation of a concept for a root password delivery system (FireCall) according to requirements.
- Development (Perl) and commissioning of the FireCall system in a test environment for Solaris.
- Creation of a user and host administration with menu operation,
- Password generation via random generator,
- data encryption with gnupg,
- Password updates on the clients with a special user with (root authorization via sudo),
- Login only via ssh connection, no login shell.
- Further development and improvement of functionality and security aspects in Cooperation with the IT security department.
- Daily checking of the root passwords and automatic update in the event of an error,
- Logging of the most important activities in log files,
- log root password actions to the security department via email,
- Regular backup to local DAT streamers with ufsdump,
- Regular synchronization of the data on a backup system with rsync,
- Integration of Linux and AIX as clients.
- Commissioning of the FireCall system for the Solaris environment.
- Further development and improvement of functionality.
- improvement of performance,
- Integration of Linux systems by adapting to MD5 passwords,
- Creation of SUN & Linux packages for the installation of servers and clients.
- Production operation for Solaris and Linux.

Software:
- Solaris 2.51,2.6,8,9,
- RedHat Linux,
- AIX 4.x,
- Perl 5,003,
- gnupg,
- OpenSSH,
- Sudo.

Other tasks :
- Administration of SUN Solaris systems.
- Installation and test operation of a Radius server with FreeRadius and Perle Terminal Servers.

Systems:
- E220, E6500, etc.
- SUN Fire Vxxx,
- Ultra 5/10.

IBM/DaimlerChryslerinStuttgart
Period:
From Mai 2002 to Juli 2002

Sector:
Automobil, Automotive

Task:
Coaching / takeover / implementation / system programming and administration the production of a data center operation under Sun Solaris, Sun E10k / E15k, EMC2, and HP-UX.

Details:
- Monitoring and administration of the daily backup runs
- Creation of a failover concept for a SAP application
- Representation of the systems, applications (SAP, Oracle-DB) and middleware (MQ-Series, OSIS, RFTS / x) before and in the event of a failover,
- Safe stopping and starting of the applications in the event of a failover,
- Activation of the failover system (adapt system and network configuration,
- Remount EMC disks, user and application configuration).
- Programming of a script for the evaluation of the disk system for free slices and / or Blocks / MB, used disk tool (SDS or Veritas Volume Manager), RAID system.

Hardware:
- SUN V280 / V880,
- EMC².

Software:
- Sun Solaris 8,
- Netbackup,
- SAP R / 3,
- Oracle 7.x, 8.x,
- MQ-Series,
- OSIS,
-RFTS / x.

ColtTelecomGmbHinFrankfurt
Period:
From Juni 2000 to August 2001

Sector:
EDV / IT telecommunications, ISP, eCommerce

Task:
Development of a server farm for an eCommerce environment with SUN systems.

Details:
- Takeover and administration of three existing SUN systems
- Installation and commissioning of new SUN servers with Solaris 7.
- Dividing and operating the servers in different networks (DMZs).
- Hardware extensions such as network adapters, SCSI controllers, CPU and RAM
- Install and configure modules in the SUN systems.
- Installation and commissioning of applications such as Oracle 8.x, Apache, WebSphere 3.x and other.
- Installation and commissioning of a test environment.
- Installation and commissioning of A1000 storage systems.
- Creation and implementation of an operating system concept for the server farm Subject Standard Solaris installation, additional tools for administration,
- network configuration,
- Remote administration with ssh-tools and sudo,
- Local security and user management with ssh and sudo.
- Advice and support in the implementation of new applications.
- Conception and implementation of a backup solution with conventional UNIX tools (ssh and tar).
- Establishment of a test network to test the backup solution.
- Documentation, training and handover of the infrastructure to the internal and external Employee.

Hardware:
1x SUN E220, 8 x E420, 12 x Netra T1, 6 x Netra T1125, 2 x A1000.

Software:
- SUN Solaris 7, Veritas Filesystem 3.3.x, SUN Raid Manager 6.2, Solstice DiskSuite 4.2,
- SuSE 7.0, Oracle 8.0.5 / 8.1.6, Apache 1.3.9.

BASFComputerServicesGmbHinLudwigshafen
Period:
From September 1999 to Januar 2000

Sector:
Industry, chemistry

Task:
- Design of an Entity Relationship data model for a central configuration database in a heterogeneous UNIX environment.
- Testing different config tools (Webmin, cfengine, Solaris ACL) with regard to the Use of an automatic configuration engine in a heterogeneous UNIX environment.

Details:
- Analysis of the configuration data of the various server systems such as NIS, DNS and NFS Services and SAP applications.
- Analysis of the functionality and interaction of the server systems in the heterogeneous UNIX environment.
- Creation of an entity relationship model and its graphic and tabular representation.
- Configuration of Perl DBI modules for the use of Oracle databases.
- Create a sample configuration and enter the data in an Oracle DB using SQL and perl.

Systems:
- SUN Solaris 2.51, 2.7,
- HP-UX 10.20,
- AIX 4.3, 5.x.

Tools:
- ksh, Perl and Perl modules: DBD :: CSV, DBD :: ORACLE,
- cfengine, Webmin,
- Oracle Client SW (sqlplus, plsql),
- StarOffice 5.x, Netscape Composer 4.x.

SUNMicrosystemsGmbH/CommerzbankAGFrankfurt
Period:
From Mai 1999 to Juli 1999

Sector:
Bank

Aufgabe:
Application analysis and domain planning in the Sun Enterprise 10000 system environment.

Details:
- Investigation and documentation of the dependence on investment banking Applications with regard to their interaction with delivery and receiving systems.
- Analysis of the relevant data in relation to the use of the applications in the cluster environment.
- Investigation and documentation of the hardware configuration of the E10K PreLife systems in Frankfurt with a view to porting to another location.
- Creation of a concept for the domain division of the PreLife systems at the new location.

Systems:
- Sun E 10000,
- EMC².

Software:
- Summit ZTD, Risk Control, Devon, Gloss, Swisskey, Global 1, Murex MX +,
- Veritas Volume Manager.

DeTeCSM/DeTeOnlineServiceGmbH
Period:
From August 1997 to Dezember 1998

Sector:
EDP / IT telecommunications, ISP, data center

Task:
Establishment of a server farm for DeTeOnline Service GmbH in the DeTeCSM data center.

Details:
- Establishment of a Win NT domain with ISDN access via RAS server and separate Network for internet and administration.
- Commissioning and administration of video, FTP and WWW servers with WinNT 4.0 and UNIX (Solaris 2.6 and LINUX SuSE 5.x).
- Construction, operation and monitoring of external servers.
- Support in setting up an operating concept for the server farm.
- Personnel issues (deployment of operators, administrators and on-call services).
- premises (spatial separation of test and actual operation),
- Requirements (operating diary, specifications and change management),
- Allocation of tasks (administrators and operators).
- Conception and commissioning of the system monitoring with HP-ITO.
- Commissioning and administration of storage systems.
- Network Appliance F520, F630 (cluster) and F760. SUN A1000 and SUN A5000.
- Carrying out a storage test with SUN A5000, Netwok Appliance F760, Clariion and EMC².
- Test setup of a VPN tunnel with WinNT and VPN +.
- Induction and training of administrators and operators for the future operation of the server farm.

Systems:
- ALR, Signum Data, Compaq ProLiant, Siemens Primergy,
- WinNT 4.0 server and workstation, Sun Solaris 2.6, HP-UX 10.20,
- CISCO Router 2500, CISCO Catalyst, SUN Enterprise 250/450, Ultra2, A1000, A5000,
- Network Appliance F520 / 630/760, EMC² Symetrix, Clariion,
- RealVideo and VXtreme Video Server, Netscape Enterprise Server 3.0, F-Secure VPN +.

Tools:
- WinNT ResKit, SMS-Server, Legato Networker, ArcServe, exeed, X-Win32, SSH, HP-ITO, HP-OpenView, SUN Raid Manager, Sun Volume Manager, ksh, Perl.

JohnsonControlsinRastatt
Period:
From April 1997 to Juni 1997

Sector:
Automobil, Automotive

Task:
Collaboration in setting up a heterogeneous network with Windows NT Server &
Workstation and HP-Unix just-in-time system.

Details:
- Commissioning and configuration of a Compaq ProLiant server with RAID array controller.
- Creating a local security concept, as well as setting up and maintaining the User administration.
- Setting up network printers, streamers, plotters and digital cameras.

Systems:
- Windows NT 4.0 PDC, BDC and approx. 30 Windows NT 4.0 workstations.
- HP JetDirect network printers and several local printers.
- HP-UNIX just-in-time system with crash guard.

Tools:
Win NT Resource Kit, ArcServe, InocuLAN, JetAdmin, SmartTerm, OnNet32

IBMSystemeundNetzeGmbHinEhningen
Period:
From September 1995 to November 1995

Sector:
EDV / IT, ISP, data center

Task:
Programming of an interface between an order entry tool (SAREG) and a configuration database (ANC) for the SNA network.

Tools:
MVS / TSO, ISPF, REXX, SQL, DB2.