Christopher Stern
IAM Operations IT-Support
Experience
Aug 2023 - Apr 2024
9 monthsIAM Operations IT-Support
KFW
- Systems: One Identity Manager (IAM), SQL Server Management Studio (SSMS), Windows 10
- Tools: HPSM (ticket system), Fastviewer (remote control management)
- Platforms: Windows/Linux Server, mainframes
- Network: RDP (Windows), VPN (Sophos Connect)
- User support and consulting (phone, email)
- Ticket handling (incidents and requests)
- Reviewing/updating permissions, orders, tasks, and employee identities
Nov 2022 - Apr 2023
6 monthsRemote
Service-Desk, Application Administration
pk systems GmbH
- Systems: Jobrouter (process digitization), Barracuda RMM (remote monitoring and management), PRTG (network monitoring)
- Tools: Deskpro (ticket system), TeamViewer (remote control management), Confluence (documentation), Mattermost (team collaboration)
- Platforms: Windows
- Network: RDP (Windows, Parallels), VPN (Sophos Connect)
- Troubleshooting incidents and service requests from customer inquiries via email and phone
- DeskPro administration (tickets, users, etc.)
- Active Directory, Microsoft 365 Admin Center and Jobrouter administration (assets, services)
- Setting up computers (PCs, notebooks) and shipping
Jun 2022 - Aug 2022
3 monthsRemote
Service-Desk, L1/2 Technical IT Support
Data Experts GmbH
- Systems: Windows/Linux Server
- Tools: Jira (ticket system), TeamViewer (remote control management), Confluence (documentation), Lotus Notes (email management)
- Platforms: Windows 10
- Network: RDP (Windows), VPN (Sophos Connect)
- Help desk (email, phone) and ticket handling
- Error analysis and resolution of user tickets
- Documentation of support workflows
Feb 2022 - Apr 2022
3 monthsRemote
Service-Desk, L1/2 Technical IT Support
Protiviti GmbH
- Systems: Windows 10
- Tools: Ivanti (ticket system), Confluence (documentation), TeamViewer (remote control management)
- Platforms: Windows Server, Azure and Citrix Virtual Desktop
- Network: VPN, RDP (Windows)
- Ticket/call handling according to ITIL
- Troubleshooting Office 365, network issues
- User management (Active Directory)
Jul 2016 - May 2018
1 year 11 monthsRemote
Service-Desk, L1/2 Technical IT Support
Canto GmbH
- System: Digital Asset Management (DAM)
- Tools: Salesforce, Jira (ticket system), Confluence, TeamViewer (remote control management), Skype for Business (IP telephony)
- Platforms: Windows Server 2003-2012, Linux, macOS, VirtualBox
- Network: VPN, RDP (Windows), SSH (Linux), VNC (virtual network computing)
- Ticket management (Salesforce CRM)
- Project management (Jira, Confluence)
- Test management with Cumulus (Oracle VirtualBox)
Aug 2014 - Oct 2015
1 year 3 monthsService-Desk, 2nd-Level IT Support
Digital Spirit
- System: EnTraS (learning management system)
- Tools: Jira (ticket system), Mantis (ticket system)
- Platforms: Windows Server 2003-2008, VMware Workstation/ESXi
- Network: VPN, RDP (Windows)
- Ticket management (Jira, Mantis)
- Customizing EnTraS
- Testing with EnTraS (VMware Workstation, Oracle VirtualBox)
Mar 2009 - Aug 2009
6 months Berlin, Germany
IT Administration, Web Programming and Web Tracking
DRK Kliniken Berlin
- Systems: Typo3 (content management), intranet, MS IIS Server 6.0/Apache 2.0 (web servers), MySQL (database)
- Platforms: Windows 2000/XP
- Tools: Google Analytics, Google Webmaster Tools
- IT administration of DRK website (customizing Typo3, backups)
- IT administration of intranet (MS IIS Server, MySQL, backups)
- SEO for DRK website (Google tools, etc.)
Dec 2006 - Sep 2007
10 months Berlin, Germany
IT Integration of Document Management System (DMS) in Sales Department
DCVD/CharterWay
- Systems: vehicle management system (FMS), document management system (Hummingbird DM 5)
- Platforms: Windows 2000/XP
- Tools: Lotus Notes 7, MS Office 2000
- Creating document classification and technical concept
- Coordinating software vendors for implementation of a data interface
- Conducting functional and data tests on the DMS prototype
- Supporting the rollout of DMS clients and DMS workshop for sales managers
- Training sales managers in DMS document scanning
- Creating DMS workflow documentation
- Result: successful introduction/implementation of a DMS in CharterWay's sales department
Nov 2003 - Feb 2004
4 months Berlin, Germany
Programming a Custom Employee Management System
Product + Concept
- Platforms: Windows 2000
- Tools: NetBeans IDE, PowerDesigner, MySQL
- Programming languages: HTML, Java Server Pages, tag libraries
- Implementing frontend (HTML/CSS, JavaScript)
- Implementing logic/functions (JSP, tag libs), database (MySQL)
- Program testing and debugging
Jul 2003 - Oct 2003
4 months Berlin, Germany
Programming a Data Interface to Import Pharma Data from XML Documents into a Relational Database
Dr. Notghi Contract Research
- Platforms: Windows 2000
- Tools: Java editor, Apache Tomcat, MySQL
- Programming languages: HTML/CSS, Java Servlets, XML
- Implementing frontend (HTML/CSS, JavaScript)
- Implementing logic/functions (Java Servlets), database (MySQL)
- Program testing and debugging
Languages
German
Native
English
Advanced
Education
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Bachelor of Science · Business Informatics
IHK
IHK qualification · IT Specialist in Application Development
Certifications & licenses
Certified Kubernetes Administrator (CKA) with Practice Tests
Udemy
Microsoft Certified: Azure Fundamentals (AZ-900)
Microsoft
Microsoft Certified: Security, Compliance, and Identity Fundamentals (SC-900)
Microsoft
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