Alf Kern
Application Support E-Commerce Webshop
Experience
Oct 2023 - Present
1 year 10 monthsApplication Support E-Commerce Webshop
Netto Online Supermärkte
- Application support for the e-commerce presence of the Netto online supermarket chain [link]
- Webshop runs with PIM, ERP and Diva SW - Microsoft Dynamics Business Central
- ITIL incident, change and problem management
- Diva components include ERP, CRM, OMS, WMS and POS
- Receiving, handling and, if necessary, forwarding user help requests
- Error analysis and support with solution skills and finding fixes
- Monitoring/orchestration of the individual systems
- Day-to-day collaboration with external service providers and development teams
- User management and second level support activities
- System logging/maintenance of external interfaces
- Application administration with Jira (ticket system) and Confluence (documentation) in QA and production environments
- Technology: Windows Server 2008, Linux Server, MS SQL Server
Mar 2023 - Aug 2023
6 monthsApplication Support and Operations
FITS (Finanz Informatik Technology Service), Kunde: Landesbank Baden-Württemberg (LBBW)
- 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 monthsIT 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 monthsIT 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 monthsIT 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 monthsApplication 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 monthsApplication 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 monthsApplication 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 monthProject/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 monthsApplication 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 monthsUnix 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 monthsUnix 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 monthsWeb 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 monthsSystem Engineer and Application Support
BMW AG Munich
- Managing UNIX systems and web applications in test and production environments
Apr 2005 - Mar 2006
1 yearConsultant UNIX Operations
European Central Bank (ECB) Frankfurt am Main
- Ensuring smooth operation and migration of new applications into production
Dec 2004 - Mar 2005
4 monthsSystem Consultant
LUCENT Technologies Telecom
- Taking over production operations and coordinating ITSM operations
Oct 2002 - Nov 2004
2 years 2 monthsWeb Infrastructure Engineer
BMW, Head Office Munich
- Building and optimizing Apache environments and BEA WebLogic instances
Nov 2001 - Sep 2002
11 monthsWeb Infrastructure Engineer
HypoVereinsbank/Unicredit, Munich
- Building and operating Solaris environments for corporate websites
Jan 2001 - Oct 2001
10 monthsUnix Administration
SUN Microsystems, Germany HQ
- Supporting production-critical infrastructure and problem management for enterprise systems
Sep 1994 - Jan 2001
6 years 5 monthsUnix Administration
COMMERZBANK, Investment Banking
- Setting up and daily support of investment banking IT infrastructures
Languages
German
AdvancedEnglish
AdvancedFrench
Elementary Education
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Degree · Computer Science · Germany
Certifications & licenses
ITIL V3
Prince 2 Practitioner Level
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