Markus B.-Software Development / Programming; Consulting; Project Management / Management / Organization / Coordination;
Check rate
Experience
Developer / DevOps, Consulting
A state authority in Baden-Württemberg / FSAS Technologies GmbH
Oracle Project Management and Automation
As part of the project, the operation of an Oracle infrastructure was automated by developing and enhancing Puppet modules and migrating existing Bash scripts to a standardized configuration management solution.
The aim of the project was to standardize and automate administrative processes, improve the maintainability of the Oracle platform, and increase the efficiency and traceability of infrastructure management through the use of Infrastructure as Code.
- Analysis and migration of existing Bash shell scripts to a Puppet-based automation solution
- Development and enhancement of Puppet modules for Oracle environments
- Automation of installation, configuration and operational processes using Infrastructure as Code
- Standardization and optimization of configuration management for Oracle systems
- Creation and maintenance of technical and operational documentation
- Planning, coordination and professional support during project implementation
- Operation and automation of Oracle systems on x86-based Linux server platforms
- Testing and quality assurance of the developed Puppet modules
- Analysis and resolution of technical errors as part of the automation and migration
- Close coordination with specialist departments and infrastructure teams to implement automation requirements
Technologies used: Puppet 7/8, SLES 15, Oracle 19, Oracle Grid, SVN, Windows Server, Confluence, VS Code, Ruby, Bash, Pass
Developer / DevOps, Consulting
Siemens
Windows Ansible Migration
As part of the project, an existing Windows automation environment at Siemens was migrated toward Ansible. Existing PowerShell- and CMD-based workloads were analyzed, transferred to Ansible and prepared for standardized software distribution.
The aim of the project was to standardize and modernize automation processes, improve the maintainability of Windows workloads, and provide software packages centrally and reproducibly via Ansible.
- Analysis of existing PowerShell and CMD workloads in the Windows Server environment
- Migration of existing automation scripts and operational processes to Ansible
- Creation and adaptation of software packages for automated rollout via Ansible
- Support in establishing standardized Ansible-based deployment and automation processes
- Use of Git for versioning and traceability of automation artifacts
- Creation and maintenance of technical documentation
- Project management and professional support for the Ansible migration
- Creation and adaptation of Ansible templates based on Jinja to automate Windows and Linux workloads
- Migration and automation of Windows and Linux workloads on x86-based server platforms
- Analysis and optimization of existing deployment and software distribution processes
- Error analysis and support during the commissioning of automated software packages
- Coordination with operations, infrastructure and specialist departments during the migration and commissioning phase
Technologies used: Ansible, Red Hat AAP, Git, HPSA, HPOO, Windows Server, Red Hat Linux, Python 3, Artifactory, Pass, SaaS
Developer / DevOps, Consulting
mecom Medien-Communications-Gesellschaft mbH / dpa Gruppe
DevOps/Linux Professional
As part of the project, Linux systems were migrated and operational and administrative processes were automated using Ansible and modern DevOps methods.
The aim of the project was to modernize and standardize the Linux infrastructure, optimize operational processes, and increase the stability, availability and maintainability of the system landscape through automated configuration and deployment processes.
- Migration and adaptation of existing Linux systems
- Development and maintenance of Ansible automations
- Automation of operational and administrative processes with Python, Perl and Bash
- Support in operating Kubernetes- and KVM-based environments
- Administration and further development of Linux cluster environments
- Support with availability, monitoring and system stability topics
- Documentation of technical changes and operational processes
- Creation and adaptation of Helm Charts for deploying and configuring applications in Kubernetes environments
- Use of YAML/Helm configurations as part of automated deployment and operational processes
- Administration and operation of Linux and Kubernetes environments on x86 server architectures
- Error analysis and troubleshooting in Linux and Kubernetes environments
- Execution of system updates and support during maintenance activities
- Continuous optimization of operational, deployment and automation processes
- Support with performance and availability optimization of the Linux platform
Technologies used: Ansible, Kubernetes, KVM, Linux, Python 3, Perl, Bash, Java, Maven, Apache, Linux Cluster, Corosync, Pacemaker, DRRBD, Keepalive, ISMS 27001 Security, SaaS
Developer / DevOps
Informationstechnikzentrum Bund (ITZBund) / CONET
Puppet Development
Puppet is used as a configuration management and automation product in the customer's cloud. The assignment involved developing an automated installation and configuration routine for defined IT services. An integral part was also the design of adaptations and improvements to the development processes, the setup of the Puppet architecture, documentation and configuration of the Puppet systems.
- Designing standards for the development, iteration and creation of the services BC CAFM, BC development environment, BC basic services, and infrastructure and platform services with Puppet support
- Development of an automated installation and configuration, according to customer specifications, for the Puppet Enterprise Master and various application services used by the customer
- Implementation of a routine for iterating application services
- In-place update of services
- Data backup, followed by reinstallation, configuration and data restore
- Implementation of patch management with the following functions
- Identification of a required security update
- Forwarding update information to an external orchestrator via a monitoring tool
- Execution of an externally triggered security update using Puppet
- Execution of an externally triggered reboot using Puppet
- Development of Bash scripts to implement automation processes
- Further development of the existing services (service iterations) BC CAFM, BC development environment, BC basic services with Puppet support
- New development of additional defined IT services with Puppet
- Standardization of configuration management
- Documentation of the underlying IT services and architecture
- Creation of a procedure for migrating / iterating IT services within the Puppet structures
- Analysis and evaluation based on the architecture specifications, security requirements and operational standards for Puppet
Required skills: Extensive experience in Puppet development (Version 4), sound documentation skills, knowledge of automation, confident use of Ruby and Shell, experience maintaining configuration files, Ü2 security screening
Technologies used: Puppet Enterprise Master, Postgres, Puppet Development Kit, Visual Studio Code, Java, RedHat Linux, MS Windows 2019, Apache Tomcat, HAProxy, MariaDB, IIS, MS SQL Server, RabbitMQ, Python 3, Ruby, Bash, PowerShell, JSON, YAML, MobaXterm, Putty, S3 StorageGrid, Restic, Flyway, GitLab, Swagger, Rest, Curl, Cisco ACI (SDN), Jira, Kanban, Confluence, Prometheus, Grafana, ELK, SaaS
Developer
DITABIS AG
Java Development
- Driver development for embedded Linux / frame grabber
- Full-stack Java development
Technologies used: Java, Google GWT, Spring, Hibernate, Webcam Capture, embedded Linux, Apache Tomcat, MySQL, IntelliJ, Eclipse
Developer
PARI Pharma GmbH
Oracle Database Programmer
- Inspection of PLC systems (production systems for inhalation systems / respiratory diseases)
- Xsteps SAP + PL/SQL
- TPA Procedure
- Adjustment of material-specific parameters
Technologies used: Oracle 12c, SAP NetWeaver, PL/SQL, PL/SQL Developer (allroundautomations), Beckhoff PLC, STEP 7, Twincat, Epson / Kuka robots
Developer, Consulting
MANN+HUMMEL GmbH
Development
- Programming / adaptation of a program for automatically generating emails during the patch / maintenance window of the existing inventory system
- Programming of a program for automatically synchronizing the production inventory database with the test database
- Programming of exception handling with email forwarding
Technologies used: Linux, Windows Server, Apache, RackTables (datacenter asset management system), CMDB, HTML, CSS, XML, REST, PHP, MySQL, MySQL Connector .NET, PowerShell, Bash, VIM, Perl, SendeMail.pl, Icinga2, Grafana, Graylog
Consulting
M-net Telekommunikations GmbH
Consulting
- Consulting on operational processes in the areas of Linux, Apache, certificates, and load balancing
- Automation of operational processes
- Web server hardening / OWASP
- Documentation
Technologies used: Linux, Apache Tomcat, Apache Webserver, Nginx, F5 Load balancer, Checkpoint Firewall, Sidewinder, Chef, Postgres, Oracle APEX (CMDB for Chef), Spring Boot, Java, HTML, XML, PDF, Jenkins, Typo3, PHP, MySQL, Zend, Jira, Git, certificates and keystores, Confluence
Developer / DevOps, Consulting
ING DiBa AG
Application Developer in the areas of JBoss EAP, Apache Tomcat, Puppet
- Adaptation / extension of enc in Perl
- Adaptation of the Apache Puppet Module in Ruby
- Evaluation / migration from Puppet 3 to Puppet 4
- Documentation
Technologies used: Red Hat Linux, Apache Tomcat, Apache Webserver, JBoss EAP, Java, Bash, Perl, Ruby, Puppet 3/4, Postgres, Hiera, r10k, enc, Git, Toad / Oracle, Incinga, Oracle APEX (CMDB for Puppet), Nolio, Artifactory, Sonar Nexus
Developer / DevOps / DevSec, Consulting
VR LEASING AG - VR Smart Finanz
Weblogic Cover
- Deployment of applications with Ant
- Online ordering process
- Tuning and support in the web application server environment
- Monitoring with Check MK
- Web server hardening / OWASP
- Shell programming
- Documentation
Technologies used: Solaris 10 / 11, Red Hat Linux, Apache Tomcat, Apache Webserver, Oracle Weblogic 12c, Oracle DB, Ant, Java, Angular, JSON, HTML, XML, CSS REST, Bash, Check MK, mk_logwatch, CA Wily Introscope, Nexus, Splunk (SIEM), Ansible
Developer, Consulting
EEX AG (European Energy Exchange)
Support in the System Engineering Debian Linux area
- Introduction of trading products through the technical configuration of master data, or existing software components
- Customization of JavaServer Pages
- Jsvc troubleshooting
- Bash shell programming
- Creating Debian packages
- Documentation
Technologies used: Debian Linux, Apache Tomcat, Java, JSP, HTML, XML, Bash, Git, Eclipse, Oracle, Python
Developer / DevSec, Consulting
Degussa Bank AG
IT Review Project
- Update / extension of Windows script inventory
- Planning and documentation of Subversion migration (Windows PowerShell)
- Preparation of IBM Cognos update for an external service provider
- Configuration of 15 Apple iPads for MobileIron
- General security concept / ISMS 27002
- Linux security concept / CIS Benchmark (ISMS 27001)
- Linux benchmark security check (Linux VM)
Technologies used: DOS Shell, PowerShell, Bash, Subversion, CentOS, Windows 2003 / 2012, MS Word, Oracle, IBM Cognos, IBM WebSphere
Developer / DevOps / DevSec, Consulting
Wirecard Technologies GmbH
Application configuration in the "EIP Migration" project with the goal of migrating the applications for Acquiring Processing to a new data center
- Error analysis, including by means of tcpdump, and migration of the affected applications, mostly high-availability applications, to a new data center using Puppet 2/3 (Payment)
- Configuration management of the Linux/Oracle environment
- Development of Puppet 2/3 modules in Ruby
- Creation of internal tickets for firewall enablement/load balancers
- Creation of detailed technical documentation
- Migration / development of ExcelWriter reports in Perl
- Migration / development of Java reports
- Job control with BMC Control-M
- Migration / development with Bash, Perl, Python 3, Java
Technologies used: Bash, Perl, Python, Puppet 2/3, Postgres, Ruby, Red Hat Linux, MySQL, Oracle DB, Java, Spring, Hibernate, HTML, XML, JSON, Tomcat, Oracle Weblogic, BMC Control-M, Mercurial, Red Hat Satellite Server, Puppetlabs Geppetto / Eclipse, IntelliJ IDEA, Sublime Text, Sublimerge, wbond SFTP / SVN, Beyond Compare, Wirecard Payment Engine, Atlassian Jira, Confluence, Scrum, CMDB (Puppet)
Developer / DevOps / DevSec, Consulting
Bayer Business Services / Computacenter
eBusiness
- Implementation and operation of eCommerce applications
- Automated installation of middleware applications
- Creation of global operating concepts for eCommerce services
- Consulting business partners on architecture design and sizing
- Incident, change, problem and configuration management
- Execution of deployments in consultation with the Application Owner
- Analysis of application configurations with regard to current security requirements, consulting business partners, and fixing security vulnerabilities
- Configuration changes and accompanying processes (e.g. restart) in consultation with the Application Owner
- Application maintenance
- Execution of resource and performance analyses
- Documentation according to QM guidelines and GMP/GXP regulations
- Analysis and resolution of operational issues affecting applications within the respective SLA. Coordination with the teams involved
- Decommissioning. Shutdown of applications that are no longer needed, including accompanying processes (asset management, documentation)
- Migrations. Transfer of existing applications to new infrastructure, including accompanying processes (design, planning, execution, documentation)
- Relocation of Bayer MaterialScience servers -> Covestro AG
- Relocation of SAP training server for the Human Resources department
- Deployment of Bayer CropScience France web apps
- Support for the Bayer Gastronomie website
- Introduction of Comintelli Intelligence2day Enterprise (called KNOX / Bayer Business Consulting)
- Video At Bayer / Qumu Enterprise Video
Technologies used: Apache Tomcat, Apache Webserver, JQuery, Java, HTML, CSS, XML, Oracle 11gR2, Visual Studio 2012, Microsoft IIS, ISAPI redirector plugin, Windows Server 2008 R2, Windows Server 2012 R2, PowerShell scripts, Team Foundation Server, MS SQL Server 2012 / SQL Server 2014 Management Studio, SCOM, Apache Solr / Lucene, Railo, Lucee, Telerik Fiddler, SoapUI, MySQL, CMDB (PHP application), Lotus Notes (order books), SAP
Developer / DevOps
UniCredit Business Integrated Solutions S.C.p.A.
US96560 - GCC Markets Accounting
ACPM (Active Credit Portfolio Management)
- Migration from Cognos 8 to Cognos 10 / Global Credit Cockpit
- Creation of Solaris packages (Cognos, Staging Tool, etc.)
- Cluster integration of Cognos and Apache
- Data warehouse database migration from Oracle 10 to 11
- Conversion of the Staging Tool (Java, PL/SQL Packages, Procedures, Functions, Triggers)
- Customization / development of shell scripts / SQLPlus with DataPump
- Customization / development of SCP_Web Absint, PGAdmin, ASP.NET / C#
- Documentation / security concept
- Credit risk management
Technologies used: AJAX, Apache Tomcat, Apache Webserver, HTML, CSS, XML, JSP, Java, JavaScript, Eclipse, JUnit, Hibernate, Spring, Perl, Bash /Korn (Shell Scripting), Solaris 10 (SPARC), Solaris Cluster, Zoning, Oracle 10 / 11gR2 RAC, Oracle Advanced Security, Oracle DataPump, Oracle Database Vault, SQL Developer, PL / SQL Packages, Procedures, Functions, Triggers, Grants, Data Dictionary, Visual Studio 2008, Telerik RadControls for ASP.NET, C#, Microsoft IIS, Serena Dimensions
Developer, Consulting
Fiducia IT AG
Development
agree (eBanking, BAP, SB)
- Year-end tests (Shell Scripting)
- Log file analysis (Apache Tomcat)
- Development with Bash and Perl
Technologies used: AJAX, Apache Tomcat, Apache Webserver, HTML, CSS, Java, JavaScript, jQuery, JBF (Java Banking Framework), Perl 5, Spreadsheet::WriteExcel, Bash (Shell Scripting), Solaris 10 (x86), Zoning, Oracle, IBM DB2
Developer, Administration, Consulting
Matrium GmbH
Oracle Optimization
Warehouse management system Helas2 (Inconso AG)
Technologies used: Oracle Enterprise 10g, RMAN, HP-UX 11.11, Oracle Forms (ADF), SQL, PL/SQL, SQL Developer
Developer / DevSec, Administration, Consulting
Dr.Ing.h.c. F.Porsche AG
Information Security Management System
- ISMS ISO/IEC 27001 documentation level 4
- Java Security / Web Security
- Oracle / MS-SQL Security
Technologies used: Apache Tomcat, Apache Webserver, Java, Shell-Scripts, XML, SQL, ORACLE DB, SQL Server 2005, Linux, SQL Server 2012, Hudson / Jenkins, Oracle llg, SQL Server 2008, Oracle (BEA) WebLogic Server, WebSVN, Foreman (CMDB), Puppet Master, Postgres, PaaS
Developer, Administration, Consulting
Media-Saturn IT Services GmbH
VEGA during the Transition Planning phase
- Planning activities, application installations, testing and commissioning
- Migration efforts
- Efforts for the Handover to Production for the Stream Application Landscape 3
Technologies used: Apache Tomcat, Apache Webserver, Java, XML, SQL, MS-SQL Server, ORACLE DB, MS-Windows, Veritas Volume Manager (VxVM), Veritas Cluster, HP Project & Portfolio Management Center, HP Quality Center, Apache Tomcat Servlet Container, HP Service Manager, HP Universal CMDB, SAP
Developer, Administration, Consulting
UniCredit Business Integrated Solutions S.C.p.A.
US97043 - Credit, Op. Risk & Pillar II
Aramis / Barisk (Basel II) / Trarisk
- Production support (error analysis, checking log files, resolving the cause or providing input to developers, etc.)
- Maintenance and upkeep of the Aramis process control via XML
- Monitoring of test runs
- Basic Business or Banking Know-How (Credit Risk)
- Risk Management (Credit, Trading), Calypso, Murex SAS
- Very good ability to communicate to the customer, internal and external colleagues in German and English
- Good ability to cope with pressure
- Willingness to work also at "Non-Business"-working times and weekend if required
- Willingness to be a part of little infrastructure projects
Technologies used: Jetty (Microservice), Apache Webserver, Eclipse (IDE), Java, Hibernate, Spring, Shell-Scripts, XML, SQL, ORACLE DB, SUN OS (Solaris), Linux, Veritas Volume Manager (VxVM), Veritas Cluster, XML Parsing (SAX/DOM), XML Schema, XMLSpy, JUnit, Oracle Skalierbarkeit (RAC / Clusterware / ...), SAP Business Objects, Partitioning, Axis2, HP Quality Center, Serena Dimensions, Toad, Xerces / Xalan
Developer, Consulting
Daimler AG
Oracle Licensing
- Independent consulting and support in developing a recommendation for the licensing strategy in the Oracle environment
- Documentation on activating / deactivating options and management packs
- Documentation of 152 options and features (dba_feature_usage_statistics)
- Hard and soft partitioning
- Creation of a questionnaire to estimate the need for options
Technologies used: Shell-Scripts, SQL, ORACLE DB, Oracle Security (Advanced Security / Label Security/ VPD / ...), Oracle 11g, Partitioning, Advanced Compression, Oracle GoldenGate
Developer, Administration, Consulting
Vodafone D2 GmbH
System Development Unix / Java(J2EE)
- Expansion, support and further development of the system / infrastructure
- Installation, configuration, support, maintenance, adaptation & documentation
- Migration of Sun Directory Server 6.3 to 7.0
- Postfix, Dovecot mail system with LDAP connection
- Installation of Request Tracker RT
- Evaluation of Citrix XenDesktop / Desktop Delivery Controller / XenServer
Technologies used: Apache Tomcat, Oracle Fusion Middleware, Java, J2EE, Shell-Scripts, XML, SQL, ORACLE DB, Sybase, SUN OS (Solaris), Linux, MS-Windows, VMware, ARIS, Oracle 11g, Oracle (BEA) WebLogic Server, 4 HP Blade Center / 28 Blades, Virtual Center / vSphere, VMware ESX / ESXi, SLES 10/11 SP1/2, Oracle Directory Server Enterprise Edition
Developer, Consulting
Enrichment Technology GmbH
Implementation of a data import (ASCII file) using VB.net, as well as creation of a validation routine for an automated process
- Product requirements document
- Security clearance D2 required
Technologies used: MS Visual Basic, ORACLE DB, Oracle 10g, MS-Windows, MS Visual Studio 2005
Developer, Administration, Consulting
Airbus / EADS Deutschland GmbH / T-Systems International GmbH
DCM
- CA/CSA/RA security principles and mechanisms
- All PKI duties CA System Administrators are expected to perform
- Disaster recovery and business continuity procedures
- Operation of the KED software and hardware
- KED Operational and security procedures
- Stipulations of the KRP and KRPS
- Security clearance Ü2 required
Technologies used: Apache Webserver, Java, J2EE, Perl, Shell-Scripts, SQL, ORACLE DB, SUN OS (Solaris), Oracle 10g, LDAP, Linux, ARIS, Solstice DiskSuite, TC Trust Center, Hobbit, Solaris Trusted Extensions, Tivoli Storage Manager (TSM), OpenLDAP, Cisco ASA, SmartCard
Developer, Administration
Bundesstelle für Fernmeldestatistik (BFSt) / IBM Deutschland GmbH
SLES and SAN Administration
- Bash / Perl script programming
- Heartbeat 1 + 2 (Clustering)
- Multipathing (multipath, vpath, RDAC)
- Cooperation with SAN and network administration (e.g. when using Bonding, SAN Multipathing)
- Setup / connection of servers
- Setup of laboratory environments
- Creation of RPM packages (spec Files)
- Revision of Net-SNMP / ServerView
- IO measurements using IOzone, bonnie++
- Revision of Perl reporting script / GNUplot for IO measurements
- Installation of Foswiki
- Security clearance Ü2 required
Technologies used: Apache Webserver, Java, Perl, Shell-Scripts, SQL, mySQL, ORACLE DB, PostgreSQL, Red Hat, SuSE, Linux, VMware, Xen, Fibre connection of DS4xxx (SAN-Boot and local Boot), SAN: SVC, FSC Server (ServerView), IBM Director, BladeCenter, xSeries 3850, AppArmor, SELinux, CFEngine
Developer, Administration
Sparkassen Informatik / Finanz Informatik GmbH & Co.KG
Wilken CS/2
- Revision and migration of CS/2 Wilken instances
- Korn Shell / Perl script programming
- Connect:Direct revision / TRAVIC-Link
- Activation of firewall rules
Technologies used: Apache Tomcat, Java, J2EE, Perl, Shell-Scripts, XML, PL/SQL, SQL, ORACLE DB, AIX, Oracle 9i, Oracle 10g, Wilken CS/2 (Accounting)
Developer
Airbus / EADS Deutschland GmbH
Development and Simulation Environment Airbus A400M
- Installation of openSUSE 10.3 PPC
- Definition of package selection
- Configuration of Raid 1
- Installation of special IBM Linux device drivers
- Compilation of Linux kernel
- Setup of X-Window System / XFCE4
- Adjustment of sysconfig
- Setup of SAMBA, SSH
- Setup of IBM Java SDK 64 PPC
- Setup of Eclipse + CDT
- Installation of Framework CMSWP Simulation
- Reflective Memory connection
- Documentation
- Setup of Windows workstations
- Linux shell script programming
- Development tools (Rhapsody for C and DOORS)
Technologies used: Python, Eclipse (IDE), Java, J2EE, Perl, Shell-Scripts, C / C++, XML, SuSE, Linux, Samba (CIFS), Hummingbird Exceed, DXL, Telelogic DOORS, Telelogic Rhapsody for C, Doxygen, Groovy, IBM Java SDK v6.0 PPC 32/64, HP Clients WinXP, Supermicro, IBM p 550Q (9133-55A) 16x Power 5+ 28 GB RAM
Developer, Administration, Consulting
Bild T-Online / Axel Springer AG / Computacenter
Setup of Heartbeat Cluster
- Testing of the new Heartbeat 2 functionality
- HeartbeatProgram
- LocalResourceManager
- ClusterResourceManager
- ClusterInformationBase
- Implementation of Heartbeat 1 config files in Heartbeat 2
- Adjustment of ha.cf, haresources and authkeys
- Deployment and testing of shell scripts
- Adjustment and testing of IPFail functionality
- Testing the functionality of the 2-node cluster
- Documentation and acceptance
Technologies used: Apache Webserver, Perl, Shell-Scripts, SQL, mySQL, Linux, IPFail
Developer, Administration
Axel Springer
Visono Linux Cluster with Sun StorageTek SAN Connection
- Configuration of the ILO2 interfaces
- Basic server installation with SLES 10 SP1
- Firmware updates
- Driver installation with PSP (Proliant Support Pack) according to HP installation instructions
- Patching of network card drivers
- Installation of Emulex HBA's
- Compilation of the RBAC drivers for Sun StorageTek 6140
- Setup of the SAN switches to determine the SAN's basic functionality
- Installation of Heartbeat packages to perform cluster configuration
Technologies used: Apache Webserver, Perl, Shell-Scripts, C / C++, PHP, SQL, mySQL, SuSE, Linux, CIBAdmin, hb_gui, ELVM, STONITH, Heartbeat, 2 *HP DL 380 /2 *2,33 Xeon / 16 GB RAM, mpputil, SANtricity, HBAnyware, Qlogic SANbox, HBA 's, Emulex, StorageTek 6140
Developer
Citi / Citibank European Data Center / Sun Microsystems GmbH
CONNECT:DIRECT (Sterling Commerce)
- Remediation according to Citibank Secure Build Standard
- Setup of config file backup via scp + Korn Shell Script (userfile.cfg, netmap.cfg, initparm.cfg, sysacl.cfg, keys.server,keys.client), crontab
- Secure+ (spcli.sh, keycert.txt, trusted.txt)
Technologies used: IBM WebSphere Application Server, Oracle Fusion Middleware, Java, J2EE, Shell-Scripts, SQL, ORACLE DB, AIX, HP-UX, SUN OS (Solaris), Veritas Volume Manager (VxVM), EMC2, PuTTY, Oracle (BEA) WebLogic Server, Tivoli Storage Manager (TSM), Hummingbird Exceed, MS Office, Lotus Sametime, Outlook, PlanView, SunOne (iPlanet), WinSCP, NIS+, Safeword, SSH Tectia, CA eTrust, RSA Keon / Boks, Brocade, Qlogic, Veritas SANPoint Control, Veritas Cluster Server, Veritas Storage Foundation Enterprise HA, Veritas Filesystem / Volume Manager
Administration, Consulting
Citi / Citibank European Data Center / Sun Microsystems GmbH
SunOne (IPlanet) Webserver
- Remediation according to Citibank Secure Build Standard
Technologies used: IBM WebSphere Application Server, Java, Shell-Scripts, XML, ORACLE DB, SUN OS (Solaris), Oracle (BEA) WebLogic Server, SunOne (IPlanet) Webserver
Developer
Citi / Citibank European Data Center / Sun Microsystems GmbH
Korn Shell Script Programming
- Security monitoring (Nmap)
- Deployment of war - Packages, Java(J2EE)
- Creation of Solaris Packages according to bank specifications
Technologies used: IBM WebSphere Application Server, Java, J2EE, Shell-Scripts, SUN OS (Solaris), Oracle (BEA) WebLogic Server
Developer, Consulting
Deutsche Bank
ESA Infrastructure (Enterprise)
- Investigation of problems with Perl applications (on site)
- Consulting for the Perl module -Net::SSH::Perl
- Modification and testing of the module
Technologies used: Apache Tomcat, Java, J2EE, Perl, Shell-Scripts, XML, SQL, Lotus Notes, ORACLE DB, JBoss, AIX, Oracle 8i, LDAP, CVS, Samba 2.0.3, OpenSSH, Netscape Enterprise 3.5.1, Rosi SQL, Oracle Developer 2000, AIX HACMP, AIX LVM, AIX 4.3.3, IBM RS6000 / 7043-140 (43P), SSA- Drawer 7133-010, Tivoli Storage Manager (TSM)
Developer, Administration
Firma DRONANIA Traditionelle Arzneimittel aus Bad Wörishofen GmbH
Webserver / Troubleshooting
- Modification
- Troubleshooting and correction
- Support
Technologies used: Shell-Scripts, PHP, SQL, mySQL, Linux, Typo3
Developer, Administration, Consulting
Dynamit Nobel Kunststoff GmbH
Ford IMI, UGS PLM Solutions Ford Program Office (T-Systems)
- Configuration of the active components
- Installation of the components
- Setup of NAT (IPtables), routing, etc.
- Testing + documentation
Technologies used: Java, Shell-Scripts, AIX, Linux, Cisco, Metaphase und TDM Server, CATIA, Linux NAT Router
Administration
Dynamit Nobel Kunststoff GmbH
Migration from CA Arcserve IT, Arkeia to Veritas
- Installation of the Windows servers, hardware configuration
- dcpromo, joining the servers to the Windows domain dnks.local
- ntp adjustment
- Setup of the ilo interfaces
- Installation of backup software
- Entering the license keys
- Setup of remote backup clients on the machines to be backed up
- Setup of backup jobs (differential + full backup)
- Daily log review
Technologies used: Veritas Backup Exec 9.x, Arcserve IT for Novell, Knox Arkeia Backup, Novell 4.11 / 5.1, Windows Server 2000 / 2003, SuSE Linux, AIX 4.3.3 / 5.1L, Lotus Notes, Oracle (RMAN), 6 * HP HP ProLiant DL 380 - G4, Exabyte X80 (3 * Mammuth 2 drives), 6 * HP StorageWorks MSL6030 with 2 LTO Ultrium 460 drives
Developer, Administration
Dynamit Nobel Kunststoff GmbH
Implementation of Cognos / Applix TM1 Perspectives in cooperation with Applix GmbH
- Server installation
- Installation of Applix TM1 Perspectives Server + Clients
- Installation of Applix updates
- Technical contact for DNK
Technologies used: Windows 2000 (Server), Cognos, Applix TM1 Perspectives
Developer, Administration, Consulting
Dynamit Nobel Kunststoff GmbH
Implementation of JustScan in cooperation with autinform dms GmbH (SAP R3)
Automatic invoice capture in SAP
- Server installation
- Software installation with autinform
- Setup of scan workstation
- Setup of validation and post-processing workstations
- Setup of the FUSO2SER and FUSO2SAP services
- 01/2004 Admin training at autinform
- Training on the SER archive
- Technical contact for DNK
Technologies used: Python, SAP-R3, MS IIS, Shell-Scripts, SQL, ORACLE DB, Windows 2000 (Server), SUN OS (Solaris), Oracle 8i, ODBC, Windows PowerShell, JustScan Image Tools (Formular Trainer), JustScan Vendor Connector (interface to the SER archive), Connector to SAP modules MM and FI, JustScan Capture, JustScan Verifier, JustScan Enterprise Edition (Server), blat (Mail), Abby Fine-Reader, Kofax, Sun E450, Sun E10k, FUSO2SAP, FUSO2SER
Administration
Dynamit Nobel Kunststoff GmbH
Administration and support of Isgus time tracking (SAP R3)
- Monitoring of Isgus software (time tracking functionality)
- Monitoring of SAP gateways
- Monitoring of services (SAPPD1, Upload_PD1)
- Migration from NT4 to 2003
Technologies used: Windows 2003 (Server), SAP R3 Gateways, card terminals, Zeus HR for SAP, Isgus HR-Talk 3
Developer, Administration
Working time tracking program
Development of a DBAPI (class) to migrate from DAO (Data Access Objects) to ADO (ActiveX Data Objects 2.5)
- Product requirements document (ISO-9001-SW-Formular-PAD)
- Technical concept (ISO-9001-SW-Formular-Fachkonzept)
- ISO-9001-SW-Formular-DV-Konzept
- Description of database relationships
- Description of user rights
- PAP (program flowchart)
- General functions
- Functional description of the DBAPI (class)
- Development and testing (ISO-9001-SW-Formular-BetaTest, ISO-9001-SW-Formular-Test)
Technologies used: SQL, MS-Windows, MS Office 97, MS Visio 5, MSDN, ELArbAPI.dll, Access (*.mdb - Database), Visual Basic 5/6
Developer, Administration
Setting up a SAMBA server under Linux
- Installation of SuSE Linux
- Setting up the software RAID
- Creating a server on the PDC
- smbpasswd -j NTDOM -r NTPDC
- Configuration of smb.conf
- Password Server = NTPDC
- Developing a backup Perl script (Cron job)
- Testing the SAMBA server
Technologies used: Perl, Shell scripts, SuSE, Linux, Samba 2.0x, Windows NT4 Server (PDC)
Developer, Administration, Consulting
SMTPMailer (Development of an SMTP mail program for CWD- Clinic WinData)
- Product requirements document (ISO-9001-SW-Formular-PAD)
- Technical concept (ISO-9001-SW-Formular-Fachkonzept)
- ISO-9001-SW-Formular-DV-Konzept
- PAP (Program Flowchart)
- Development and testing (ISO-9001-SW-Formular-BetaTest, ISO-9001-SW-Formular-Test)
Technologies used: MS Visual Basic, SQL, MS-SQL Server, MS-Windows, Windows PowerShell, MS-SQL 6.5 / 2000, UUencode / UUdecode / Base64, MIME, RFC 0821, Win-dll 's (winsock2.dll, mapi32.dll), Visual Basic 5/6
Industry experience
See where this freelancer has spent most of their professional time.
Experienced in Manufacturing, Pharmaceutical, Information Technology, Banking and Finance, Healthcare, and Media and Entertainment.
Business area experience
See which departments and functions this freelancer has contributed to most.
Experienced in Information Technology, Product Development, Project Management, Business Intelligence, and Quality Assurance.
Summary
Technical focus: DevOps, Java, Oracle, Solaris, Linux, Windows / planning, consulting, developing, security, administration
Experience > 30 years / > 20 years self-employment
Permanent employment is currently not an option, freelance work only
Skills
- It Experience Since 1992
- Devops, Devsecops
- Unix System Administration
- Database Administration And Development
- Business Intelligence / Big Data
- Network Administration And Monitoring
- Software Development
- Security / Isms / Verinice (Gstool) /Siem
- Shell And Script Programming
- Software Documentation
- Object-Oriented Programming (Oop)
- Unified Modeling Language (Uml)
- Agile Software Development / Scrum / Kanban
- Security Screening Act (SÜG)
- Anti-Money Laundering (Aml) / Usa Patriot Act. (Money Laundering)
Operating Systems
- Cp/M
- Dos / Ms-Dos
- Real-Time Operating Systems / Rtos (Real Time Os)
- Hpux
- Mac Os X
- Novell
- Sles, Server, Nds
- Sun Os, Solaris, Openindiana (Illumos)
- Unix
- Aix, Linux + Lvm (Suse, Redhat / Oracle Enterprise Linux, Debian), Kali Linux
- Vxworks
- Windows 3.0 - 8, 2003, 2008
Virtualization / Cloud / Iaas / Paas / Saas
- Lpar, Solaris Zoning, Oracle Xvm, Xen, Kvm, Vmware Esx, Parallels, Ms Hyper-V
- Virtualbox, Docker, Kubernetes, Podman, Argo Cd, Helm
- Amazon Web Services, Terraform, Vagrant, Microsoft Azure, Google Cloud (Gwt)
- Red Hat Openshift, Openstack, Cloud Foundry, Apache Cloudstack / Cloudmonkey / Cloudstack Go / Cloudstack Kubernetes
Programming Languages
- Basic: Visual Basic, Asp, Wpf
- C#, C++, C, Go / Golang
- Imake, Gnu-Make, Make-Maker, Automake
- Java: Ant, Maven, Junit, Jpa / Jdo, Ejb, Hibernate, Spring Data/Security, Axis2, Struts, Wso2, Soapui, Soap, Rest, Wsdl, Saml, Ws Security, Jsp, Jsf, Ria, Groovy, Microservices
- Javascript: Ajax, Jquery, Json
- Labview, Matlab / Simulink, Objective C, Perl, Php, Pl/Sql / T-Sql, Python, Qt, Ruby, Tcl/Tk
- Scripting Languages: Xml, Xsd, Dtd, Sax, Xsdl, Xslt, Xsl-Fo, Html, Xhtml, Css
- Shell: Bash, Korn
- Tex, Latex
Databases
- Access, Db2, Jdbc, Lotus Notes
- Ms Sql Server, Sybase, Mysql, Mariadb, Odbc, Oracle, Postgres, Quest, Sql
- Nonsql, In-Memory Db/Dg, Redis, Mongo Db, Cassandra, Apache Spark, Datastax, Databricks
Simulation/Trials/Testing
- Software Testing, Selenium, Junit
Version Control
- Cvs, Svn, Git, Mercurial, Serena Dimensions, Visual Source Safe
Languages
Education
Bachelor of Engineering · Computer Engineering
Certifications & licenses
Linux Storage Cluster Systems Engineer (LSCSE-LNS)
Lotus Notes
Oracle Certified Professional (in preparation)
Statistics
Experience
Global experience
Expertise
Qualifications
Profile
Frequently asked questions
Have questions? Find more information here.
Markus is based in Munich, Germany.
Markus speaks the following languages: German (Native), English (Advanced), French (Elementary).
Markus has at least 18 years of experience. During this time, Markus has worked in at least 12 different roles and for 32 different companies. The average length of individual experience is 5 months. Note that Markus may not have shared all experience and actually has more experience.
Based on recent experience, Markus would be well-suited for roles such as: Developer / DevOps, Consulting, Developer / DevOps, Developer.
Markus's most recent position is Developer / DevOps, Consulting at A state authority in Baden-Württemberg / FSAS Technologies GmbH.
In recent years, Markus has worked for A state authority in Baden-Württemberg / FSAS Technologies GmbH, Siemens, mecom Medien-Communications-Gesellschaft mbH / dpa Gruppe, Informationstechnikzentrum Bund (ITZBund) / CONET, and PARI Pharma GmbH.
Markus is most experienced in industries like Manufacturing, Pharmaceutical, and Information Technology. Markus also has some experience in Banking and Finance, Healthcare, and Media and Entertainment.
Markus is most experienced in business areas like Information Technology, Product Development, and Business Intelligence. Markus also has some experience in Project Management, Quality Assurance, and Customer Service.
Markus has recently worked in industries like Manufacturing, Pharmaceutical, and Information Technology.
Markus has recently worked in business areas like Information Technology, Project Management, and Product Development.
Markus holds a Bachelor in Computer Engineering.
Markus has 4 certificates. Among them, these include: Linux Storage Cluster Systems Engineer (LSCSE-LNS), Lotus Notes, and Microsoft Certified Systems Administrator (MCSA) 2003 Security.
Markus is immediately available for suitable projects.
Daily rate distribution
The rates shown represent the typical market range for freelancers in this position based on recent contracts on our platform.
Average rates for similar positions
Rates are based on recent contracts and do not include FRATCH margin.
The average daily rate is the mean of all daily rates from recent contracts of comparable freelancers on our platform.
The median daily rate is the middle value of all daily rates — half of comparable freelancers charge less, half charge more. Unlike the average, it is barely affected by outliers.
Calculated based on our freelancers’ daily rates as of 3 Oct 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.
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