David Kruska

bildet sich zurzeit weiter. 🎓

In einer Ausbildung, Umschulung zum Fachinformatiker für Systemintegration, IBB Institut für Berufliche Bildung AG
Bis 2025, Cyber Security Management, Hochschule Niederrhein
Düsseldorf, Germany

Skills

Zuverlässigkeit
Zielstrebigkeit
Analytical skills
Problem Solving
Kommunikationsfähigkeit
Team work
IT-Affinität
Active Directory
Azure Active Directory
MS 365
Ticketsystem
IT-Security
Log-Analyse / Login-Überwachung
Awareness- & Phishing-Kampagnen
Windows & macOS Administration
Linux
Python
Firewall administration
VPN
Dokumentation
Prozessmanagement

Timeline

Professional experience for David Kruska

  • Current 7 months, since Feb 2026

    Umschulung zum Fachinformatiker für Systemintegration

    IBB Institut für Berufliche Bildung AG

    Ich befinde mich derzeit in der Umschulung zum Fachinformatiker für Systemintegration (IBB). Die Ausbildung vermittelt mir ein fundiertes technisches Verständnis in den Bereichen Netzwerke, Windows-Server, Active Directory, Microsoft 365 sowie IT-Sicherheitsgrundlagen. Mein sechsmonatiges Pflichtpraktikum ist für 2027 vorgesehen und soll idealerweise in einem Umfeld stattfinden, das mir Einblicke in Administration, Cloud- oder sicherheitsnahe Aufgaben ermöglicht.

  • 7 months, May 2024 - Nov 2024

    IT-Systemadministrator

    Burnhard GmbH

    - Jira - MS 365 (admin center, sharepoint etc.) - On- and Off-Boarding - IT-ticket-solving - AD, Azure (MS Entra ID) - OS configuration (Mac and Windows) - IT-inventory - MS-Intunes - Excel, Word etc. - Projekt-Management

  • 6 months, Nov 2023 - Apr 2024

    Working student Cyber Security & BCM

    Santander Consumer Bank GmbH
  • 4 years and 7 months, Apr 2019 - Oct 2023

    Freelancer

    Piano Lessons

    - Conducted personalized piano lessons for students of all ages, both in-person and online. - Developed tailored lesson plans using diverse educational resources. - Implemented effective self-promotion strategies to attract new students. - Utilized innovative teaching methods to engage students and foster a passion for music.

  • 4 months, Mar 2023 - Jun 2023

    Junior-Administrator

    Robert Half Deutschland GmbH & Co KG

    Deployment at Targo Bank: • Kundenberatung und-betreuung • Beantwortung eingehender Anrufe von Interessenten • Präsentation der Vorteile von Produktmerkmalen, Preisen usw. • Kalt- und Warmakquise für den Verkauf von Produkten

  • 6 months, Apr 2022 - Sep 2022

    Customer Service Advisor

    TJX Europe Ltd. & Co. KG / TK Maxx

    - Recommended for Customer Service Advisor role at TJX head office due to proven ability; secured position following competitive interview process. - Provided comprehensive customer support across Germany, Austria, Switzerland and the UK via email, telephone and social media. - Oversaw the handling of all customer interactions and enquiries using a ticketing system to ensure efficient resolution. - Tracked and provided accurate information on orders, increasing transparency and customer satisfaction.

  • 1 year and 10 months, Jun 2020 - Mar 2022

    Retail Sales Representative

    TJX Europe Ltd. & Co. KG / TK Maxx

Educational background for David Kruska

  • 1 year and 10 months, Sep 2023 - Jun 2025

    Cyber Security Management

    Hochschule Niederrhein

Languages

  • German

    C2 (Expert / native speaker)

  • English

    C1 (Fluent)

  • Portuguese

    A1-A2 (Basic)

  • Spanish

    A1-A2 (Basic)

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