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Profile Status: 2018, May, 1st |
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| prename, surname |
Guenther Obermaier |
| address, street |
Eberhardtstrasse 66 |
| ZIP code, address |
89073 Ulm |
| country |
Germany |
| phone |
++49(0)731-262316 |
| mobile |
++49(0)170-7634571 |
| email |
 |
| website |
www.go-itservice.com |
| language skills |
German (native) english (spoken and writing), experience as project language |
| education and degree |
physicist (diploma) (University of Ulm), emphasis computer science and electronics |
| application site |
worldwide |
| availability |
from 2018, April, 1st |
| hourly rate |
from 75 euro |
|
| Hardware |
PC |
3 |
|
| Operating systems |
LINUX (Debian 3.1-9.0, SuSE 5.0-9.2, RedHat) |
3-4 |
| |
UNIX in general |
3 |
| |
Windows XP, 2000, NT 4.0, NT 3.51 |
3 |
| |
Windows 9x, 3.x |
2 |
| |
Windows 3.x |
2 |
| |
DOS |
2 |
| |
AIX 3.x,4.x |
2 |
| |
Unixware 7.x, 8.0 |
2 |
| |
Solaris 2.5,2.6,8 |
2 |
| |
SCO Open Server |
2 |
| |
Novell 3.x |
1 |
|
| Programming languages |
PHP 7, 5, (4,3) |
4 |
| |
perl 5 |
3-4 |
| |
JAVA, JSP |
3 |
| |
bash,ksh shell |
3 |
| |
SQL |
2-3 |
| |
basic |
3 |
| |
C (Windows,UNIX) |
2 |
| |
Visual Basic, ASP, VBA |
2 |
| |
assembler (68000,6502) |
2 |
| |
modula 2, pascal, fortran |
1 |
|
| network and protocols |
TCP/IP in general |
3 |
| |
XML |
3 |
| |
LDAP |
3 |
| |
HTTP |
2 |
| |
SMTP |
2 |
| |
ASN 1 |
2 |
| |
SVG |
2 |
|
| Further skills and products |
Netscape Suitespot 3.x |
4 |
| |
vtiger 7,6,5.4 |
3 |
| |
AJAX, REST, SOAP |
3 |
| |
benno Mailarchiv |
3 |
| |
AltaVista 2.3,3.0 |
3 |
| |
Apache/Tomcat |
2 |
| |
X-Server (XVision, eXceed) |
2 |
| |
HT-Dig |
2 |
| |
Autonomy KnowServer/Update 1.x |
2 |
| |
OpenLDAP 1,2 |
2 |
| |
SWIG (C-Perl) |
2 |
| |
Eclipse 3.x,2 |
2 |
| |
MS-Office 4,95,97,2000,XP |
2 |
|
| key |
specialist, excellent knowledge |
4 |
| |
very good knowledge |
3 |
| |
advanced knowledge, project experience |
2 |
| |
basic knowledge |
1 |
|
| emphasis |
script development, system administration UNIX, software development (internet) |
|
Projects |
| Duration |
05/2016 - 03/2019 (estimated) |
| Short description |
Porting an application from PHP 5 to PHP 7, Porting a security critical application for operation on the internet, programming of some REST Webservices |
| Industrial sector |
Telecommunication (T-Systems/iQbis) |
| Type of activity |
Porting mysql-interface to PDO
Porting of other deprecated instructions
Compatibility test on PHP 5 and 7, comparative test
Hardening applikation against SQL-injection and cross-site-scripting
Building own REST-Framework an several Services with Certificate Testing
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| Software environment |
PHP 5.6 / PHP 7.0, Apache 2, Linux (Debian 7.0-9.0), MySQL 5.5, Eclipse 3.8
|
| Team |
12 |
|
| Duration |
01/2005 - now |
| Short description |
conception, implementation and maintenanace of company network |
| Industrial sector |
Media and Print |
| Type of activity |
Survey of requirements
Server installation and maintenance
conception of backup, firewall, VPN ec
selection and configuration of hard- and software, eg. 2012: CRM vtiger
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| Software environment |
Linux (Debian 4.0-9.0), Windows, Samba, postfix, vtiger 5.4-7.1, benno Mailarchiv, PHP 4-7, Apache 2, MySQL/MariaDB 5
|
| Team |
2 |
|
| Duration |
01/2007 - 12/2008 (maintenance until now) |
| Short description |
Web based application for consolidation of database information |
| Industrial sector |
Telecommunications (T-Systems) |
| Type of activity |
Survey of requirements
architecture and conception (esp. datamodel)
Programming datamodel, import and export interfaces.
Programming businesslogic.
Programming AJAX user interface.
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| Software environment |
PHP 4, 5 / PHP 7, Apache 2, Linux (Debian 3.1-8.0), MySQL 5, Eclipse 3, AJAX, Javascript
|
| Team |
6 |
|
| Duration |
03/2015 - 04/2016 |
| Short description |
Porting a security critical application for operation on the internet
Maintenance of redundant server cluster |
| Industrial sector |
Telecommunication (T-Systems/iQbis) |
| Type of activity |
hardening of an already existing Applikation against SQL-injection and cross-site-scripting
enhancing performance
monitoring and maintenance of database and applicationserver
|
| Software environment |
PHP 5.3-5.5, Apache 2, Linux (Debian 6.0-8.0), MySQL 5.5, Eclipse 3
|
| Team |
10 |
|
| Duration |
07/2013 - 02/2015 |
| Short description |
Development of multiple sites concept |
| Industrial sector |
Telecommunication (T-Systems/iQbis) |
| Type of activity |
Enhancement of data model
Survey of additional requirements
Enhancement of data model using multiple sites
Upgrade software for multiple sites
Implementation inventory database
Design and programming of abstraction layer
Performancetuning
|
| Software environment |
PHP5.4, Apache 2, Linux (Debian 6.0/7.0), MySQL 5, Eclipse 3.5
|
| Team |
11 |
|
| Duration |
01/2009 - 02/2013 |
| Short description |
New design of pricing modell for business telecomunication systems |
| Industrial sector |
Telecommunication (DTTS/T-Systems/Lenrox) |
| Type of activity |
Analysis of existing businesslogic
Survey of additional requirements
Design of new pricing modell
Programming businesslogic.
implementation of simultaneous usability for both classes for smooth migration
Design and implementation of a data abstraction layer
Performancetuning
|
| Software environment |
PHP5, Apache 2, Linux (Debian 5.0/6.0), MySQL 5, Eclipse 3
|
| Team |
12 |
|
| Duration |
07/2004 - 12/2006 |
| Short description |
Migration and enhancement of a system for submitting quotes for telephone systems to a web based application
|
| Industrial sector |
Telecommunications (T-Systems / Quest) |
| Type of activity |
Survey of requirements
Programming calculator and configuration system.
Consolidation and enhancement of the existing system.
Implementation of offer document as RTF/DOC.
Graphic view of the system with SVG.
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| Software environment |
PHP4, Linux (Debian 3.1), Windows 2000, MySQL 4, Eclipse 3, RTF, perl, AJAX, SVG
|
| Team |
8 |
|
| Duration |
08/2002-03/2004 |
| Short description |
Programming of information processing system for train traffic data. |
| Industrial sector |
Logistics (DB-Systems / Plussoft) |
| Type of activity |
Cooperation on technical architecture and conception, arrangements with the customer.
Configuration of servers. Programming an operational protoype with PHP4.
Programming the final system with JSP and JAVA Classes.
Programming loadgenerator with Perl, testing and performancetuning
shellscripts for deployment ec.
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| Software environment |
JSP, JAVA, Oracle9i, PHP4, perl, shell (sh,ksh), make, OpenLDAP 1/2,
Linux (Suse 8.0), Solaris 2.8, SQL, Tomcat 4, Eclipse 2
|
| Team |
10 |
|
| Duration |
05/2002-07/2002 |
| Short description |
specification and programming of an hardware certification tool |
| Industrial sector |
Logistics (DB-Systems / Plussoft) |
| Type of activity |
Programming of a Perl Modul for use with test scripts to send commands
to hardware (german railway specific) and analysing the results.
Programming of code generator from ASN-1 (german railway specific) to perl
Programming of web-interface with php4
Saving test protocoll using XML.
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| Software environment |
Perl, C, ASN-1, Swig, Linux (Suse 8.0), XML, TCP/IP, LON, Windows 2000 |
| Team |
3 |
|
| Duration |
10/2001-05/2002 |
| Short description |
Perl scripts for automatic generation of configuration files |
| Industrial sector |
Logistics (DB-Systems / Plussoft) |
| Type of activity |
Desiging LDAP structures with customer.
Programming Perl scripts for generation of config-files from a LDAP Database
|
| Software environment |
Perl, LDAP, Unixware 7.1/8.0, SCO Open Server 5, Windows NT, Windows 2000, H.323 |
| Team |
15 |
|
| Duration |
01/2001-09/2001 (one day a week) |
| Short description |
Maintenance of Companys IT infrastructure |
| Industrial sector |
IT-Consulting (BSO2001) |
| Type of activity |
Administration of server (LINUX) and workstations (LINUX, Win NT/9x).
Installation and administration internetserver, firewall, router
|
| Software environment |
Linux (Suse 6.3/7.0), Apache 1.3, ipchains, pppoed, ksh, perl,
SAMBA, DNS, ssh, SMTP, Windows NT, Windows 9x
|
| Team |
2 |
|
| Duration |
05/2001-08/2001 |
| Short description |
Development of an internet portal |
| Industrial sector |
Industrial services (DEKRA AG) |
| Type of activity |
Programming of the media internet site of DEKRA (www.dekra-mediaonline.de) using
OpenSource software and tools developed in own company.
Administration of server (LINUX), paketfilter.
|
| Software environment |
Linux (Suse 7.0), Apache 1.3, MySQL, PHP4, SQL, MediaOnline, ipchains, CVS, perl |
| Team |
1-3 |
|
| Duration |
04/2001-05/2001 |
| Short description |
Development of an internet music portal |
| Industrial sector |
Media (Classixx AG) |
| Type of activity |
Programming the internet site for selling classical music.
Managment of development.
Support for content editors.
Administration of server.
|
| Software environment |
Linux (Suse 7.0), Apache 1.3, MySQL, PHP4, MetaHTML, SQL, MediaOnline, perl |
| Team |
3 |
|
| Duration |
1/2000-4/2001 (2 days a week) |
| Short description |
Development of an userinterface and software encapsulation for search engine |
| Industrial sector |
Banking (Dresdner Bank / TISCON AG) |
| Type of activity |
Programming of the encapsulation in perl and a prototype in C.
Building of the userinterface.
Adaption of the interface for differnent departments.
Support for application.
Installation and administration of the servers (Sun E250, E450).
|
| Software environment |
Solaris 2.6, Netscape Enterprise Server 3.6, AltaVista 2.3/3.0 with C-API, IP-Filter |
| Team |
1 |
|
| Duration |
1997 - 2005 |
| Short description |
Conception, implementation and support for intranet |
| Industrial sector |
Logistics (Lekkerland) |
| Type of activity |
Conception and design of intranet, email and scheduling for a Company wit aprox. 2000 employees and 25 brances in Germany.
Installation of servers, relocation and merging of some servers.
Software updates.
Rearrangement of domain structure and conversion of user database with scripts
Incidental troubleshooting
Remote maintenance, weekly and by the day activity
|
| Software environment |
AIX 3.x,4.x, Netscape Enterprise Server 3.x, Directory Server 3.x, Messaging Server 3.x,
Proxy Server 3.5, Calendar Server 3.5, Perl , LDAP
|
| Team |
1-4 |
|
| Duration |
3/2000-1/2001 (3 days a week) |
| Short description |
Development of an internet portal |
| Industrial sector |
Marketing (White-Lion / DEBIS) |
| Type of activity |
Programming of various software modules, e.g. tracing of user behaviour.
Integration of an autonomy search engine into the portal.
Administration of development servers.
|
| Software environment |
Solaris 2.6, Linux (Suse 6.4,7.0), Apache 1.3, Oracle 8, PHP3, perl,
Autonomy KnowServer/Update, CVS, SQL |
| Team |
3-10, Project language: English |
|
| Duration |
1999-2000 (2 days a week) |
| Short description |
Y2K tests of various products |
| Industrial sector |
Banking (Dresdner Bank / TISCON AG) |
| Type of activity |
conformance tests of various software products at a bank for the jear 2000.
Administration of the test computers (Sun E250, PC's).
Installation of operating systems, software and tests
Reporting.
|
| Software environment |
Solaris 2.6, Solaris 2.5, Linux (Red Hat 6.x), Windows NT 4.0, Netscape SuiteSpot,
IE, diverse Serverprodukte, perl
|
| Team |
|
|
| Duration |
1996-2000 (5 days a week in the beginning, later 1 day a week) |
| Short description |
network administration with Novell, Nindows, WindowsNT and UNIX |
| Industrial sector |
IT-consulting (TISCON AG, former PP Systemhaus) |
| Type of activity |
Installation of operating systems, networks, application software and peripherals.
Selection and configuration of hard- and software components.
Administration of local networks and users.
Hotlinesupport for standard software and application software of sales department
(X-server, TCP/IP, M$-products, ODBC-solutions etc.).
Backup of servers and client PCs.
Troubleshooting the PCs.
Maintenance of internet-connection and firewalls with ipchains and FireWall 1.
|
| Software environment |
Windows NT 4.0, 3.51, Windows 3.11, UNIX, Novell, X-Server, M$-Products, TCP/IP,
ODBC, WWW, Internet, ERP, Oracle, Arcserve, Linux, FireWall 1
|
| Team |
1-3 |
|
| Duration |
1995-1996 |
| Short description |
Development of a property management software |
| |
various small projects |
| Software environment |
Windows 3.11, C for Windows: Watcom C 10.0/10.1 |
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| Duration |
1988-1995 |
| Short description |
Study of Physics with emphasis computer science and electronics |
| Software environment |
UNIX, C, Modula II, Fortran, Windows 3.1, Borland C |
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| Duration |
1980-1988 |
| Short description |
Programming as a hobby |
| Environment |
TRS80, TI99/4A, VC64, ATARI ST in C, Basic, Assembler |
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