Jürgen Bargmann
Freelance IT Consultant and Lecturer
Experience
Jul 2018 - Dec 2024
6 years 6 monthsHamburg, Germany
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ALD Automotive Leasing
- Database administration and performance tuning for Oracle databases on AIX 7.1, 7.2 (Oracle 12c, 19c)
- Troubleshooting and issue resolution on RHEL 7
- Operations automation with shell scripts, Perl, and PL/SQL
- Planning, preparation, execution, and client-specific review of changes and upgrades (LEASMAN, DOXIS)
- Incident management, including communication with outsourcing providers and business units
- Data exchange using DataPump
- Visualizing database contents and monitoring results
- Configuring Oracle databases for Debezium; monitoring Debezium activities
- Preparing Oracle databases for migration to cloud environments
- Implementing and overseeing NIST requirements in databases
- Automating release upgrades for the LEASMAN application
- Creating operation manuals and guides
- Generating reports for GDPR information requests
Jun 2014 - Jun 2018
4 years 1 monthBerlin, Germany
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Berliner Sparkasse
- Automating operations management and job scheduling on Solaris 10 (AutoSys, JIL)
- Database administration and operation of Oracle 11g
- Support for application operations and APEX 4.x/5.x
- Application development in PL/SQL and SQL
- Automating database and customer application monitoring (Connect:Direct)
- Designing the migration concept for customer-specific databases, applications, and the bank’s job scheduling to an outsourcing provider
- Conversion programs from AutoSys to TWS/z on IBM z/OS
- Graphical presentation of system states in databases and TWS/z for quality assurance (GraphViz)
Jan 2011 - Dec 2014
4 yearsBerlin, Germany
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LBB Landesbank Berlin
- Database administration and application operations on Solaris 10 (Oracle 10g, 11g)
- Automating operations management and job scheduling (AutoSys, JIL)
- Application development in PL/SQL and SQL
- SQL tuning and performance optimization
- Software distribution and job scheduling with Oracle OMS and Oracle Data Integrator
- Connect:Direct for data transfers
- Developing custom banking applications
Jan 2009 - Dec 2011
3 yearsBerlin, Germany
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LBB Landesbank Berlin
- Preparing migration of OS-Plus systems and applications to Solaris 10 and Oracle 10g/11g
- Database administration, SQL tuning, and application operations
- Supporting application development (SyslogNG, AutoSys, JIL)
- Planning and implementing job scheduling and software distribution (Connect:Direct)
- Development in Perl, Java, C, shell scripts
- Database upgrade planning and execution
- Automating database and customer application monitoring
- Database performance tuning
Jan 2009 - Dec 2010
2 yearsFrankfurt, Germany
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Commerzbank
- Quality assurance, project documentation, and test operations
- Document reviews with TestDirector and SharePoint
- Sybase 12/15 on Windows
- Office applications
Jan 2009 - Dec 2010
2 yearsFrankfurt, Germany
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Deutsche Bahn (DB Systel)
Continuation and expansion of the project from 2008–2009
Jan 2008 - Dec 2009
2 yearsFrankfurt, Germany
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Deutsche Bahn (DB Systel)
- Member of the TOV migration team for insourcing and migrating legacy applications from external providers to DB Systel servers
- Migrating Solaris 7/8/9 and Oracle 7/8/8i/9 to Solaris 10 and Oracle 10g/11g
- Automation with UNIX scripts and Perl
- Using Oracle tools, SQL, PL/SQL, Advanced Queue, PSC Peregrine Service Center
Jan 2007 - Dec 2008
2 yearsFrankfurt, Germany
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Commerzbank
- Managing the risk assessment system: maintenance and further development (Oracle 9i, 10g, 11g)
- Services for developers; providing development environments and database contents (export/import)
- Automating existing admin tasks; developing monitoring tools
- Evaluating benefits of migrating from Oracle 9i/10g to 11g
- PL/SQL programming
- Analyzing and consolidating existing systems to prepare for migration to Solaris 10 and Sybase 11/12.x
Jan 2007 - Dec 2007
1 yearHirschau, Germany
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Conrad
- Setting up, installing, and commissioning the catalog server, including disk systems (Solaris 10)
- Automation with UNIX scripts
Jan 2003 - Dec 2006
4 yearsBerlin, Germany
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Finanz IT
- Administering multiple high-availability, data-intensive applications (Solaris 8/9; Oracle 8i, 9i, 10g; Veritas VxFS; Oracle RAC)
- System and database administration as well as storage management
- Supporting applications for volume data traffic between Tivoli TEC/ATMs/account statement printers, OMA, TSM, Lotus Notes, UNIX systems
- Regular configuration and migration of high-availability applications
- Configuring and developing custom monitoring and housekeeping tools (Enguard, Tivoli)
- Ensuring 24/7 operations, on-call duties, 2nd/3rd-level support
Summary
- Status: Self-employed
- Strengths: resilient, customer-focused, results-oriented, flexible, team player, quick learner, extensive background knowledge, excellent references, high customer satisfaction
- Industries: insurance, banking, government, manufacturing, training
Languages
German
NativeEnglish
AdvancedFrench
ElementaryLatin
ElementaryPolish
Elementary Education
University of Hanover
Mathematics, Computer Science · Hanover, Germany
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