Jan Tietjen

ist offen für Projekte. 🔎

Angestellt, Senior Manager Security, Accenture GmbH, Germany

Bonn, Germany


Zero Trust
Cloud Security
Cloud Architecture
Mobile Device Security
Zero Trust Network Archtecture
Security Operation Center
Mobile Device Management (MDM)
Information Security Management
Vulnerability Assessment
Endpoint Detection and Response (EDR)
Common Criteria Evaluation


Professional experience for Jan Tietjen

  • Current 3 years and 4 months, since Mar 2020

    Senior Manager Security

    Accenture GmbH, Germany

  • 5 months, Oct 2019 - Feb 2020

    Director Technical Solutions

    Highside Inc

  • 7 months, Apr 2019 - Oct 2019

    Director of Technical Solutions

    Hotshot Technologies Sarl

  • 9 months, Jul 2018 - Mar 2019

    Clusterhead Product Assessment

    T-Systems International GmbH / Telekom Security

    Security Product Assessment. Test and assess new products for the Telekom Security portfolio.

  • 1 year and 9 months, Nov 2016 - Jul 2018

    Security Portfolio Manager

    T-Systems International GmbH / Telekom Security

  • 5 years and 10 months, 2011 - Oct 2016

    Information Security Expert

    Deutsche Telekom AG

    Project Security Manager in the Group Information Securities Team for Security in Devices and Services. Specialized in mobile device and embedded systems security.

  • 2009 - 2011

    Security Consultant

    T-Systems International GmbH

    Common Criteria (CC) vvaluator at T-Systems GEI GmbH

  • Systemadministration

    KI AG

    Sysadmin in Cologne

  • Systemadministration

    Rheinische Friedrich-Wilhelms-Universität

    Sysadmin of the department "Informatik I"

  • Freier Mitarbeiter / Systemadministration

    Clicktivities AG

    - Sysadmin „Clicktivities AG“ in Düsseldorf

  • Freier Mitarbeiter


  • Mitarbeiter Netzwerkgruppe

    Vobis AG

  • Freier Mitarbeiter

    Döres AG

Educational background for Jan Tietjen

  • Computer Science

    Rheinische Friedrich-Wilhelms-Universität Bonn

    Hardware Software CoDesign, Technische Informatik, Netzwerktechnologie, Algorithmische Geometrie, Verifikation Paralleler Systeme, Binary Decision Diagrams, Numerische Mathematik


  • German

    First language

  • English


  • French


  • Italian



Strong partners for innovative enterprise grade security products.


Love IT-Security (being a bit paranoid about it)
all forms of hacking (even cooking)
state of the art technology (not only IT related)
well designed cryptography
mobile and embedded systems e.g. ARM SoCs
automating things (do not like to do boring stuff more than once) -> scripting with Python
virtualize anything (cloud computing)
traveling (when/if I get the time)
Wing Tsun Kung-Fu
literature (SciFi and other fiction)

Browse over 20 million XING members