Ensuring trouble-free operation of applications while meeting SLAs and internal and external regulatory requirements
Handling and operating financial market applications, e.g., Front Arena, Calypso and Kondor Plus
Knowledge of deployment tools like Ansible and Git
Operating server systems: RHEL 7/8 and Windows Server 2016
Test operation and test support for releases
Customizing applications to customer requirements following concepts and standards
Installation, configuration and ongoing monitoring of applications on systems, including documentation
2nd level support for incidents and troubleshooting
Management, coordination, maintenance and support of highly complex applications
Coordination with other departments, such as development, database, network and storage
Implementation of complex application changes, e.g., for release upgrades including independent coordination with customers and infrastructure teams
Tools: ServiceNow, Jira, Confluence, ARS
May 2022 - Mar 2023
11 months
IT Operations Application Manager
Deutsche Bahn Berlin
Daily operational management of HR processes with PeopleSoft
Operation on AWS cloud technology (via PAN client)
Ensuring operation of environments and applications
Support for test, acceptance and production environments
Monitoring, checking and testing fulfillment of B2R requirements
Ongoing updating of application documentation (wiki, standard operating procedures)
Incident analysis and error resolution for applications, operating systems and infrastructure (incident and problem management)
Adjusting thresholds, monitoring concepts and SOPs
Coordinating error analysis, documenting results and communicating with clients
Installation and management of applications and application components
Implementing monitoring concepts
Preparing and conducting technical acceptance tests
Introducing and regularly deploying new applications or application releases
Security management: handling vulnerabilities and remediation
Systems: Red Hat Linux, Oracle environment
Main applications: PeopleSoft (AMS, HCM, PTR), WebLogic, JBoss
Apr 2021 - Aug 2022
1 year 5 months
IT Operations Application Manager
DAK/IKK health insurance via IT service provider
Implementing the following projects for DAK health insurance and IKK Classic health insurance:
Building, testing and going live with read-access logging via a highly available web application; integration with DAK and IKK live systems; SW: RHEL 8, Ansible, DB2 11.5, JBoss
Replacing and going live with a high-availability archiving system; migrating from mainframe to RHEL with deletion processes and a web-based firewall; SW: Apache, RHEL 8, JBoss, DB2 11.5
Building a compliance-proof archiving system; storing data in a Windows Server–based DB2 system with later Unix-based archiving
Day-to-day operations with ITSM incidents, changes and problems
Tasks:
Coordinating hardware change provisioning for test and production
Software configuration, deployments and testing
Handover to production and support
Problem resolution in collaboration with developers and specialist testers
Documentation and training development
Aug 2019 - Jun 2021
1 year 11 months
IT Operations Application Manager
Consors Finanz Bank – BNP Paribas
Managing complex server applications and underlying platforms
Supporting operations of test and production systems for loan origination software and related applications
Managing and maintaining middleware applications
Troubleshooting and service requests in incident management
Classification and root cause analysis in problem management
Performing software distribution, patches and updates
Capacity and availability management for application infrastructure
Collaboration with development and online banking support
Tools & Technologies: Icinga2, Iris, Jira9, Tomcat, JBoss, Red Hat 7, Jenkins
Apr 2019 - Aug 2019
5 months
Application and Middleware Management
IBM Germany for HypoVereinsbank/Unicredit Munich
ITIL tasks: incident, change, problem and user request management
Europe-wide application support
Deployment and staging including security measures
System integration and architecture design
Market monitoring and benchmarking of new technologies
Tools: Apache Web Server, Oracle WebLogic, Red Hat JBoss, Splunk, Jira, SQL Developer
Jan 2019 - Mar 2019
3 months
Application and Change Management
Federal Employment Agency Nuremberg
ITIL-compliant operations management
Execution and coordination of changes
Project support and IT process consulting
Crisis management during incidents
Tools: ARS, Red Hat Linux, Jira, Jenkins
May 2016 - Dec 2018
2 years 8 months
Application Support and Service Management
BG BAU, BGN, RCI Munich
Managing virtual Red Hat release environments
DevOps tasks: automation, test definitions and operations documentation
Building and operating archiving and client-server applications
RHEL, JBoss, Jenkins, Ansible
Apr 2015 - Apr 2016
1 year 1 month
Project/Release Management
BMW AG Munich
Setting up an integration environment for applications
Handling defects in ALM and collaborating with development teams
Creating technical documentation
May 2013 - Mar 2015
1 year 11 months
Application Support/Project Management
PAYBACK Mexico, Italy, USA
Responsible for setting up and rolling out test and production environments
DevOps support via Scrum/sprint meetings and user requests
Automated rollouts and deployment of new releases
Jan 2010 - Apr 2013
3 years 4 months
Unix Engineer/Project Management
Deutsche Bahn AG, Frankfurt
Release and change management for web/application servers
Supporting post-release tests, patch and deployment optimizations
Apr 2008 - Dec 2009
1 year 9 months
Unix Administration and Project Management
BMW AG via T-Systems, Munich
Infrastructure projects for BMW, Daimler and Shell
Migration and optimization of IT systems and SAN storage management
Jul 2007 - Mar 2008
9 months
Web Administration/Unix Administration
Allianz AG, Munich
Managing and optimizing over 1,000 web server instances
Integrating and monitoring new release levels
Mar 2006 - Jul 2007
1 year 5 months
System Engineer and Application Support
BMW AG Munich
Managing UNIX systems and web applications in test and production environments
Apr 2005 - Mar 2006
1 year
Consultant UNIX Operations
European Central Bank (ECB) Frankfurt am Main
Ensuring smooth operation and migration of new applications into production
Dec 2004 - Mar 2005
4 months
System Consultant
LUCENT Technologies Telecom
Taking over production operations and coordinating ITSM operations
Oct 2002 - Nov 2004
2 years 2 months
Web Infrastructure Engineer
BMW, Head Office Munich
Building and optimizing Apache environments and BEA WebLogic instances
Nov 2001 - Sep 2002
11 months
Web Infrastructure Engineer
HypoVereinsbank/Unicredit, Munich
Building and operating Solaris environments for corporate websites
Jan 2001 - Oct 2001
10 months
Unix Administration
SUN Microsystems, Germany HQ
Supporting production-critical infrastructure and problem management for enterprise systems
Sep 1994 - Jan 2001
6 years 5 months
Unix Administration
COMMERZBANK, Investment Banking
Setting up and daily support of investment banking IT infrastructures