a Randstad company

Unix , System Integration, Application Support, Performance Analysis , Monitoring

Profil
Top-Skills
Applikation und Middleware Support, System Integration, System administration Unix,Linux,scripting, Perl,networking,Apache, Jboss,Tomcat,Weblogic, Development support
Verfügbar ab
03.01.2023
Aktuell verfügbar - Der Experte steht für neue Projektangebote zur Verfügung.
Verfügbar zu
100%
davon vor Ort
100%
Einsatzorte

PLZ-Gebiete
Länder
Ganz Deutschland, Österreich, Schweiz
Remote-Arbeit
möglich
Art des Profiles
Freiberufler / Selbstständiger
Der Experte ist als Einzelperson freiberuflich oder selbstständig tätig.

1 Jahr 6 Monate

2021-02

2022-07

Deployment of JBoss and Tomcat and Apache on SuSe and Red Hat Linux

Projektinhalte
  • Deployment of JBoss and Tomcat and Apache on SuSe and Red Hat Linux in a DevOps capacity within a secure environment
  • Optimization and Migration of Java Applications running under Jboss into Puppet, Hiera and using Git and Gitlab to manage and rollout changes
  • Wrote JBoss CLI scripts for auditing and configuring JBoss instances Developed Shell/python scripts for controlling instances and collecting application information and communicating with the CheckMK monitoring
  • Documentation with Confluence
Produkte
Jboss Webadministration Apache Tomcat Puppet Git g
Kunde
ITZBund
Einsatzort
Wiesbaden/Home Office
8 Monate

2019-12

2020-07

Migrating banking applications

Projektinhalte

  • Migrating banking applications to a new infrastructure including implementing the application monitoring for both server and cloud based systems
  • Preparing the applications for deployment using Ansible and takeover by new operating team.
  • Use of Elastic Search/Kibana for log file analysis.

Kunde
ApoBank (for DXC as integrator)
Einsatzort
Düsseldorf
6 Jahre

2013-10

2019-09

Java Application and Web server administration

Projektinhalte
  • Java Application and Web server administration. Member of Middleware group responsible for running Weblogic(10-12), Tomcat(6-9), Red Hat Jboss EAP(6 and 7) Java application servers, ESB and Apache web servers.
  • Configuration of Java Application servers for application integration into the UniCredit environment and providing support for Banking and Risk Management systems for a multinational bank.
  • Product support for operations and planning migrations of legacy systems to new hardware and Cloud based architectures.
  • Automation of deployments using Unix scripting for Solaris and Redhat Linux platforms and tools such as HPSA. Unix scripts, Perl and Jython (for Weblogic configuration) to assist with application administration.
  • Provided out of office hours deployment/support and also On-call support.
  • Responsible for Integration of all Java Server and Apache instances into the IBM Tivoli monitoring systems.
Kunde
IBM-UniCredit Group Value Transformation Services
Einsatzort
München
7 Monate

2013-03

2013-09

Supporting Web based Instant Online Credit Systems

Projektinhalte

  • Supporting Web based Instant Online Credit Systems running on Java platforms with connections to external services such as SCHUFA for credit worthiness checks
  • Perl and Unix programs for automation of builds and deployments
  • Application support for the mainly J2EE based Java applications using Oracle 10 RAC and J Boss, Apache and load-balanced with F5 loadbalancers
  • Scripted solutions for interfacing JBoss and Apache to the Nagios monitoring
  • Some Red Hat Admin and analysis of networking, mail and performance problems

Kunde
Commerz Finanz GmbH
Einsatzort
München
2 Jahre 10 Monate

2010-01

2012-10

Unix and Web Server Administration Operations.

Projektinhalte
  • Germany in Unix and Web Server Administration Operations.
  • Administration of Unix servers(Sun Solaris 10 on Sparc servers, RHEL 4,5,6 Suse 9/10/11, AIX) running Apache Webserver, Java Application Servers(Tomcat, Websphere) and Trading Applications.
  • Deployment of Java and Web Applications, Tomcat/Apache configuration, maintaining Trading feeds and troubleshooting the various applications.
  • Supporting Unix based infrastructure for hosted Investment banks and Development teams.
  • Fixing mail (sendmail, exim) and security problems according to guidelines.
  • Providing Certificate Management for Webserver and Messaging products including
    setting up a PKI infrastructure for some in-house projects.
  • Creating and customizing of RPMs of standard and in-house developed applications for virtualized servers installed via Yum and Red Hat Satellite as part of the migration project.
  • Scripting in Unix shell and Perl.
Kunde
Deutsche Boerse AG
Einsatzort
Eschborn
8 Monate

2008-10

2009-05

convert the existing Java/J2EE system

JBoss and Linux Administrator
Rolle
JBoss and Linux Administrator
Projektinhalte

  • JBoss and Linux Administrator for hosted platforms serving the Insurance businesses of the Postbank and Citibank (Deutschland)
  • My role was to convert the existing Java/J2EE system from BEA Weblogic 32 bit running on RH3 to JBoss 4.3 64 bit running on RH4(virtualized running VMWare ESX)
  • This involved designing and administering a variety of load balanced web based systems and also clustered systems with Stateful Session Bean failover
  • Complex mathematical libraries were also ported to the new system
  • Connection to Mainframe computers was using ActiveMQ and Tibco products

Kunde
Proactiv IT Servicegesellschaft mbH
Einsatzort
Hilden, Germany
1 Jahr 10 Monate

2006-06

2008-03

Music Download

Projektinhalte
  • Music Download (Web and Mobile)
  • Systems Integrator and System Administrator for Commercial Video and FullTrack Music Download Hosting for Web and Mobile.
  • The systems used a mixture of J2EE compliant web-based technologies(Java, JBoss, Apache, Tomcat) running on Linux and Solaris 10(Sparc) servers to provide music and video download services, management and billing/clearing house functionality.
  • Oracle 10g databases were used throughout along with Perl and Unix Shell scripting. The role involved sizing and setting up hardware(servers, Cisco switches, Nortel Load balancers), integrating/configuring Java-based components according to customer requirements and rolling out into the production environment during scheduled maintenance windows. Some Oracle DBA work was also required.
  • I was also responsible for maintaining and enhancing the productivity tools Subversion, Bugzilla, Trac/Wiki and sendmail systems for the development teams
Kunde
Web Commerce, Nokia Siemens Schweiz AG
Einsatzort
Zuerich, Switzerland
8 Monate

2005-10

2006-05

Mobile Portal

Projektinhalte
  • Mobile Applications, Vodafone Global,Mannesmannufer, Duesseldorf Java Application Deployment
  • Engineer Customization of the Mobile Portal application and integration of customer?s products into the Vodafone network 
  • Hardware Solaris 9/10 Sparc servers running JBoss/Tomcat/Apache Web./Oracle 9g database
Kunde
Vodafone Live
3 Jahre 4 Monate

2002-04

2005-07

Mobile Video Streaming

System Engineer/Integrator
Rolle
System Engineer/Integrator
Projektinhalte
  • Mobile Video Streaming, Siemens Information and Communication Mobile Solutions
  • Designed and implemented systems for Video streaming to mobile handsets (Live and Video On Demand) using Real Networks software for Real Media, 3GPP and SDP protocols
Produkte
Hardware Sparc Servers Cisco Switches Alteon Load balancersSolaris 8/9 Oracle 9 Sun Cluster 3 Veritas Cluster System Java XML BEA Weblogic Apache Apache Tomcat and Real Networks software
Einsatzort
International customer locations. HQ,Munich,Germany
1 Jahr 11 Monate

2000-05

2002-03

Mobile Internet Applications

System Engineer/Integrator
Rolle
System Engineer/Integrator
Projektinhalte
  • Mobile Internet Applications/ WAP Gateway
  • Mobile Applications, Siemens Information and Communication Mobile Solutions
  • Designed/Implemented systems for mobile Internet that run WAP, MultiMedia-Messaging (MMS) and Streaming applications.
Produkte
Hardware was Sun Sparc/storage and Cisco. Worked with RADIUS DNS LDAP and Oracle/MySql databases Checkpoint FireWall 1 Legato Networker/Veritas Netbackup Cisco/Alteon Switches Routers and Load Balancers to create systems for mobile operators
Kunde
Siemens AG
Einsatzort
Hong Kong
1 Jahr

1999-06

2000-05

ISP Unix/Network administration

System Administrator
Rolle
System Administrator
Projektinhalte
  • System Administrator for large Internet Service Provider.
  • Responsible for migrating Internet Systems and applications from BSD to Solaris 2.6/7on Sun Netra and Enterprise Servers.
  • Built secured Solaris 2.6/7 for a global ISP operating on a 24/7 basis and customized the Solaris Jumpstart server for network installs. Specific tasks included postmaster (sendmail,Qmail), newsmaster, webhosting and system architect and anything else that comes up with the operations of the computer systems of a large ISP. Set up some of the infrastructure including data storage systems with Veritas Volume Manager and File system, as well as configuring Network Appliance Filers and Netcache products.
  • Application support programs were written in Perl, shell scripts and C.
Kunde
Internet Provider, Uunet
Einsatzort
Brussels, Belgium
9 Monate

1998-09

1999-05

Stock Exchange

System Administrator
Rolle
System Administrator
Projektinhalte
  • Responsible for day to day tasks and performance testing and capacity planning of new equipment
    Produkte
    Sparc servers and storage DEC Unix Sybase databases Network Applicance storage NIS NIS+ Samba Legato Networker Network Suite-Spot C programming
    Kunde
    Stock Exchange (Swiss Stock Exchange)
    Einsatzort
    Zuerich, Switzerland
    3 Jahre 10 Monate

    1994-11

    1998-08

    planning and designing network

    System and Network Administrator
    Rolle
    System and Network Administrator
    Projektinhalte
    • System administrator, planning and designing networks for customers.
    • system administration of Solaris systems, network design (LAN), system integration and system performance/tuning (UNIX and network) for both local and customer’s systems. Support software (scripts, small programs) were written in Korn shell, C and some Perl.Designed company internet/intranet.
    Kunde
    Printing/Publication, MDC Max Daetwyler AG
    1 Jahr

    1993-07

    1994-06

    wrote software in C++

    Programmer C/C++, Unix Systems Programmer
    Rolle
    Programmer C/C++, Unix Systems Programmer
    Projektinhalte

    I wrote software in C++ for data acquisition systems that run under UNIX.I was also required to do some system and network administration configuring networks, installing software and shell scripts

    Kunde
    Meteo Systems, Boschung Mecatronic AG
    Einsatzort
    Schmitten, Switzerland
    2 Jahre 11 Monate

    1990-09

    1993-07

    Programming in C/Assembler

    C Programmer
    Rolle
    C Programmer
    Projektinhalte
    • Programming in C/Assembler for Chip/Magnetic Card readers and Payphone systems.
    • Unix/PC systems used to host development environment. Some system administration for Unix.
    Kunde
    Payment/ Payphone Systems, Ascom Autelca AG
    Einsatzort
    Guemligen, Switzerland
    1 Jahr 5 Monate

    1989-05

    1990-09

    payphones and related management/payment systems

    Software Engineer, Programmer C and Assembler
    Rolle
    Software Engineer, Programmer C and Assembler
    Projektinhalte

    Programmer C and Assembler on payphones and related management/payment systems

    Kunde
    Payphone Systems, GPT Telecomms Products
    Einsatzort
    Liverpool,UK
    4 Jahre 2 Monate

    1985-03

    1989-04

    responsible for writing software

    Software/Hardware Engineer
    Rolle
    Software/Hardware Engineer
    Projektinhalte
    • The company manufactured Telephones and small PABXs
    • I was responsible for writing software (C and Assembler) and designing hardware for the above products
    Kunde
    Telecoms, GPT Telecommunications Ltd. Whinbank Road, Newton Aycliffe, Co. .Durham UK

    2 Jahre 11 Monate

    1981-09

    1984-07

    B.Sc. in Electrical & Electronic Engineering

    Sunderland Polytechnic, Sunderland, Tyne and Wear, England
    Institution, Ort
    Sunderland Polytechnic, Sunderland, Tyne and Wear, England
    Schwerpunkt



    German
    English

    Top Skills
    Applikation und Middleware Support, System Integration, System administration Unix,Linux,scripting, Perl,networking,Apache, Jboss,Tomcat,Weblogic, Development support
    Betriebssysteme
    Mac OS SUN OS, Solaris
    Experte
    Unix
    Experte
    Windows
    Programmiersprachen
    Assembler
    Experte
    C
    Fortgeschritten
    C++
    Fortgeschritten
    Emacs Perl
    Fortgeschritten
    PL/SQL
    Fortgeschritten
    Shell
    Experte
    Python
    Fortgeschritten
    Datenbanken
    JDBC
    Fortgeschritten
    MS SQL Server
    Basics
    MySQL
    Fortgeschritten
    ODBC
    Fortgeschritten
    Oracle
    Fortgeschritten
    SQL
    Fortgeschritten
    Sybase
    Basics
    Datenkommunikation
    AppleTalk Ethernet
    Fortgeschritten
    FDDI Internet, Intranet
    Experte
    ISO/OSI
    Experte
    LAN, LAN Manager Message Queuing RFC Router
    Fortgeschritten
    RPC SMTP
    Experte
    SNMP TCP/IP
    Experte
    UUCP
    Hardware
    Ascii/X - Terminals Digital Echtzeitsysteme
    Experte
    Macintosh PC Silicon-Graphics SUN
    Experte

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