Alf Kern

Application Support E-Commerce Webshop

Munich, Germany
Experience
Oct 2023 - Present
1 year 10 months

Application 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 months

Application 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 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
Languages
German
Advanced
English
Advanced
French
Elementary
Education
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Degree · Computer Science · Germany

Certifications & licenses

ITIL V3

Prince 2 Practitioner Level

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