Dennis Mersjann
Freiberuflich, Founder / Senior Consultant, Mersjann Digital Collaboration
Köln, Deutschland
Werdegang
Berufserfahrung von Dennis Mersjann
Continue working in part-time as system architect for Vodafone's Jira/Confluence environment while expanding my freelance business
Bis heute 2 Jahre und 6 Monate, seit Nov. 2021
Founder / Senior Consultant
Mersjann Digital Collaboration
Driven by my passion for improving knowledge worker collaboration, I founded Mersjann Digital Collaboration in 2021. As an Atlassian Certified Expert with 10+ years of experience in digital collaboration, I love helping teams to unleash their full potential through powerful tools like Jira Software, Jira Service Management, and Confluence.
System architect for a mission-critical 5000+ user collaboration platform (Atlassian Jira/Confluence), enabling collaboration for a € 1bn+ SAFe transformation program, and other key initiatives. Key responsibilities: Managing and driving application governance, customization and integration demand management, policy enforcement, vulnerability management, ensuring system maintainability and documentation processes.
6 Monate, Mai 2017 - Okt. 2017
Internship in Technology & Innovation - Internal Digitalization
Deutsche Telekom AG2 Jahre und 5 Monate, Dez. 2014 - Apr. 2017
Student Employee Social Collaboration
Qudosoft GmbH & Co. KGOwnership of Qudosoft's internal collaboration plattform (Atlassian Confluence), consulting internal stakeholders and parent company in the field of social collaboration, administration of various Atlassian JIRA instances, collaboration in workgroups on strategic issues
3 Jahre und 2 Monate, Okt. 2011 - Nov. 2014
Student Employee Internal Tools
Andrä AG
Administration and extension of Andrä AG's Atlassian-based collaboration tool portfolio
6 Monate, März 2011 - Aug. 2011
Intern Customer Service and Support (San Jose, CA)
ONTRAM Inc.
Establishing infrastructure and processes for US customer support, conception and implementation of a of product knowledge base, implementation of a ticketing system (OTRS), implementation of an issue tracking tool (Atlassian JIRA), technical support for US accounts
5 Monate, Okt. 2010 - Feb. 2011
Student Employee Customer Support
LIS Logistische Informationssysteme AG
Administration and extension of Atlassian Confluence, organizing roll-out in further departments
4 Monate, Juli 2010 - Okt. 2010
Intern Customer Support
LIS Logistische Informationssysteme AG
Developing a knowledge management concept for the customer support department, implementing and customizing Atlassian Confluence as a knowledge management solution, conducting staff trainings
Ausbildung von Dennis Mersjann
2 Jahre und 1 Monat, März 2016 - März 2018
Innovations- und Informationsmanagement
Hochschule Bonn-Rhein-Sieg
Master Thesis: "Corporate collaboration platforms: Evaluating a KPI-based approach for success measurement - A case study at Deutsche Telekom AG" (Grade 1,3)
5 Monate, Aug. 2015 - Dez. 2015
Auslandssemester
Hanyang University (Seoul, South Korea)
Courses in the fields of IT Strategy, Organization Theory, Leadership
2 Monate, Sep. 2014 - Okt. 2014
Summer School
State University of Architecture and Civil Engineering (Nizhny Novgorod, RUS)
Topic: "Doing Business in Russia"
2 Jahre und 6 Monate, Sep. 2013 - Feb. 2016
International Business
Technische Hochschule Köln
Bachelor Thesis: “Key factors to optimizing a corporate collaboration platform for remote teams: a case study at Qudosoft GmbH & Co. KG” (Grade 1,0)
1 Monat, Juli 2013 - Juli 2013
Summer School
University of Ljubljana (Ljubljana, Slovenia)
Courses: Learning and Knowledge Management, How to do Business with China
2 Jahre, Okt. 2011 - Sep. 2013
Wirtschaftsinformatik
Universität zu Köln
Sprachen
Deutsch
Muttersprache
Englisch
Fließend
Spanisch
Grundlagen
Französisch
Grundlagen