Alf Kern

Application Support E-Commerce Webshop

Munich, Germany

Experience

Oct 2023 - Present
1 year 10 months

Application Support E-Commerce Webshop

Netto Online Supermarkets

  • Application support of 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 are ERP, CRM, OMS, WMS and POS
  • Receiving, processing and, if necessary, forwarding user help requests
  • Error analysis and support with solution expertise and resolution finding
  • Monitoring/orchestration of the individual systems
  • Collaboration in daily operations 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 Management

FITS (Finanz Informatik Technology Service), client: Landesbank Baden-Württemberg (LBBW)

  • Ensuring trouble-free operation of applications in compliance with SLAs and internal and external regulatory requirements
  • Operation and management of applications in the Financial Markets domain, e.g., Front Arena, Calypso and Kondor Plus
  • Knowledge of deployment tools such as Ansible, Git
  • Operation of server systems, RHEL 7/8 and Windows Server 2016
  • Test operation and release testing support
  • Customizing applications to customer requirements while adhering to concepts and standards
  • Installation, configuration and continuous monitoring of applications on the systems, including documentation
  • 2nd level support for incidents and troubleshooting
  • Management, coordination, support and maintenance of highly complex applications
  • Coordination and alignment with other departments such as development, database, network and storage
  • Implementation of complex application changes, e.g., during release cycles, including independent coordination with the client 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 the operation of environments and applications
  • Support for test, acceptance and production environments
  • Monitoring, checking and testing of B2R requirement fulfillment
  • Continuous updating of application documentation (wiki, work instructions)
  • Incident analysis and bug fixing for applications, operating systems and infrastructure (incident and problem management)
  • Adjustment of thresholds, monitoring concepts and work instructions
  • Coordination of error analyses, documentation of results, communication with customers
  • Installation and management of applications and application components
  • Implementation of monitoring concepts
  • Preparation and execution of technical acceptance tests
  • Introduction and regular deployments/deliveries of applications or application releases
  • Security management: handling vulnerabilities and their 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 Insurers via IT Service Provider

  • Implementation of the following projects for DAK and IKK Classic health insurers:
  • Design, testing and go-live of logging read accesses via a highly available web application; integration with DAK and IKK live systems; SW: Red Hat Linux 8, Ansible, DB2 11.5, JBoss
  • Replacement and go-live of a highly available archiving system; migration from mainframe to Red Hat Linux with deletion procedures and web-based firewall; SW: Apache, Red Hat Linux 8, JBoss, DB2 11.5
  • Implementation of an audit-proof archiving system; data stored in Windows Server–based DB2 system with subsequent Unix-based archiving
  • Daily operations with ITSM Incidents, Changes and Problems
  • Tasks:
  • Coordination of hardware change provision for test and production
  • Software configuration, deployments and tests
  • Transition to production and support
  • Issue resolution in collaboration with developers and subject testers
  • Documentation and training material creation
Aug 2019 - Jun 2021
1 year 11 months

IT Operations Application Manager

Consors Finanz Bank – BNP Paribas

  • Support of complex server applications and underlying platforms
  • Support of test and production systems for credit lending software and satellite applications
  • Management and maintenance of middleware applications
  • Incident management: troubleshooting and service requests
  • Problem management: classification and root cause analysis
  • Software distribution, patches and updates
  • Capacity and availability management for application infrastructure
  • Collaboration with development and online banking support
  • Tools & Technologies: Icinga2, Iris, Jira 9, 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, User Requests
  • Europe-wide application support
  • Deployment and staging including security measures
  • System integration and architecture design
  • Market research and benchmarking of new technologies
  • Tools: Apache Web Server, Oracle WebLogic, Red Hat JBoss, Splunk, Jira, SQL Developer
Jan 2019 - Mar 2019
3 months

Applications and Change Management

Federal Employment Agency Nuremberg

  • ITIL-compliant operations management
  • Execution and coordination of changes
  • Project support and consulting on IT processes
  • Crisis management in case of incidents
  • Tools: ARS, Red Hat Linux, Jira, Jenkins
May 2016 - Dec 2019
2 years 8 months

Application Support and Service Management

BG BAU, BGN, RCI Munich (Trade Association)

  • Support of virtual Red Hat release environments
  • DevOps activities: automation, test definitions and operations documentation
  • Setup and operation of archiving and client-server applications
  • Technologies: Red Hat Enterprise Linux, JBoss, Jenkins, Ansible
Apr 2015 - Apr 2016
1 year 1 month

Project/Release Management

BMW AG Munich

  • Setup of an integration environment for applications
  • Handling defects in ALM and collaboration with development teams
  • Creation of technical documentation
May 2013 - Mar 2015
1 year 11 months

Application Support/Project Management

PAYBACK Mexico, Italy, USA

  • Responsible for setup and rollout of test and production environments
  • DevOps support through Scrum/Sprint meetings and user requests
  • Automated rollouts and deployment of new releases
Jan 2009 - Apr 2013
3 years 4 months

Unix Engineer/Project Management

Deutsche Bahn AG, Frankfurt

  • Release management and change management for web/application servers
  • Support for 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

  • Support and optimization of over 1,000 web server instances
  • Integration and monitoring of new release levels
Mar 2006 - Jul 2007
1 year 5 months

System Engineer and Application Support

BMW AG Munich

  • Support of 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

  • Smooth operation and migration of new applications into production environments
Dec 2004 - Mar 2005
4 months

System Consultant

LUCENT Technologies Telecom

  • Assumption of production operations and coordination of ITSM operations
Oct 2002 - Nov 2004
2 years 2 months

Web Infrastructure Engineer

BMW, Headquarters Munich

  • Setup and optimization of Apache environments and BEA WebLogic instances
Nov 2001 - Sep 2002
11 months

Web Infrastructure Engineer

HypoVereinsbank/UniCredit, Munich

  • Setup and operation of the Solaris environment for corporate web presences
Jan 2001 - Oct 2001
10 months

Unix Administration

SUN Microsystems, Germany HQ

  • Support of production-critical infrastructure and problem management for enterprise systems
Sep 1994 - Jan 2001
6 years 5 months

Unix Administration

COMMERZBANK, Investment Banking

  • Setup and daily support of investment banking IT infrastructures

Languages

English
Advanced
German
Advanced
French
Elementary

Education

Lorem ipsum dolor sit amet

Studies · Computer Science · Germany

Certifications & licenses

ITIL V3

Prince2 Practitioner Level