Stefan (Daniel) Grotzke-Senior Product Manager for Industrial Network Technology and Cyber Security
Check rate
Experience
Senior Product Manager for Industrial Network Technology and Cyber Security
Krones AG
- Developing new product lines and strategies (Edge Device Readykit) in industrial network technology (greenfield and brownfield)
- Integrating cyber security requirements into products and solutions (secure global remote support for customer plants)
- Asset and lifecycle management for VPN routers and network switches (OS, config.)
- Committee and standardization activities
- Public relations and trade show appearances (Drinktec 2025)
Sabbatical
Due to Fujitsu Japan's decision to end the European client hardware business, many Fujitsu entities had major staff reductions. During this time I reoriented, actively searched for a new role, and pursued some private projects like designing a photovoltaic system.
Product Manager for CELSIUS Workstations, INTELLIEDGE Industry 4.0, IoT and Edge Computing Solutions and Technology Evangelist
Fujitsu Client Computing Limited – FCCL
- Building a startup (FCCL)
- Developing new innovative product ideas
- Spotting market trends and turning them into products and solutions
- Integrating workstations into customer solutions (OEM business)
Global Product Manager for Industry 4.0, IoT and INTELLIEDGE Edge Computing Solutions
Fujitsu Technology Solutions GmbH
- Building a solution-focused, high-margin new product area with a go-to-market concept
- Management strategy for industrial computers
- Concept for a token-based software licensing model
Global Product Manager for CELSIUS Workstations and Program Manager for ISV Certifications
Fujitsu Technology Solutions GmbH
- Strategic and cost-effective selection of necessary certifications
- Planning new products based on market and competition analysis, technology trends, and customer feedback
- Defining products and creating business plans
- Setting the product strategy
Senior System Engineer/Project Leader for Business Notebooks (LIFEBOOK/CELSIUS)
Fujitsu-Siemens Computers GmbH
- Technical leadership of international and cross-cultural project teams
- Project management of complex hardware development projects internationally with Japanese and/or Chinese partners
- Sole technical responsibility for several notebook platforms from product definition to production readiness
Technical editor-in-chief, freelance book author, editor and test engineer as well as founder and owner of the IT test lab and
ABCworx.com
- Successfully founded the editorial office and IT test lab [link]
- Head of the 'Testing and Technology' department
- Development and further refinement of test concepts
- Product testing for press and industry (customized tests)
- Final editing and proofreading
- Book publication: 'WLAN – Getting Started with Wireless Networking', C&L Verlag 2004, ISBN: 3-936546-15-0
System analyst, QA test planner
Debis/T-Systems
- Resource planning and reporting for software tests in the Viag Interkom System Stack project
- Good knowledge of the full range of services of a telecommunications provider (VIAG Interkom)
- Fundamentals of mobile communications technology
- Test management as part of a quality assurance project
Project leader for internet test lab and customized tests
Ziff-Davis-Verlag GmbH
- Planning and construction of the new Internet lab 'WebLab'
- Remodeling and re-commissioning of the usability lab
- Conducting customized tests for industry clients (e.g. exploratory usability testing for T-Online)
- Representation at trade fairs and press conferences
Test engineer and hardware editor
Ziff-Davis-Verlag GmbH
- Writing, editing, and researching test reports, topics and trends in the Mobile Computing and Connectivity section
- Developing test concepts
- Conducting end-to-end, performance, and usability tests
- Creating editorial content (test reports, product news)
Power Systems Electrician
Siemens AG ANL-AS (Building Technologies)
- Installation of industrial lighting and power systems
- Assembly of contactor control systems
- PLC programming with Simatic S5
- Fabrication of 30 kV joints and end seals using modern heat-shrink technology for the Berlin Transport Company
Industry experience
See where this freelancer has spent most of their professional time.
Experienced in Information Technology, Manufacturing, Media and Entertainment, Energy, Construction, and Food and Beverage.
Business area experience
See which departments and functions this freelancer has contributed to most.
Experienced in Product Development, Strategy, Project Management, Production, Marketing, and Quality Assurance.
Summary
Successful product manager and electrical engineer with extensive experience in developing and marketing notebooks and mobile workstations. PR, media and press skills gained through technical editing and journalism.
Currently holding diverse roles as Product Manager for workstations and IoT edge devices, Technology Evangelist for E-Ink solutions and Program Manager for workstation certifications and industry benchmarks. Also advising customers, supporting international sales, giving product presentations at trade shows, and managing key projects and proof-of-concept demos for strategic clients. Always keeping an eye on the market and current trends to develop innovative products and solutions.
- Turning complex issues into decision-ready presentations
- Numerous product innovations (dual-display notebook, tablet WS, e-paper)
- First rollout of new technologies (embedded UMTS/Palm vein notebook integration)
Skills
- Communication
- Creativity
- Critical Thinking
- Empathy
- Flexibility
- Intercultural Competence
- Judgement And Decision Making
- Solution Finding
- Technological Understanding
Languages
Education
Technical University of Applied Sciences Berlin
Diplom-Ingenieur (FH) in Electrical Engineering · Electrical Engineering · Berlin, Germany
Vocational College for Mechanical and Manufacturing Technology
General university of applied sciences entrance qualification · General university of applied sciences entrance qualification · Berlin, Germany
Siemens AG, ZN - Berlin, Abt. GB
Journeyman certificate as Power System Electronics Technician · Power System Electronics Technician · Berlin, Germany
Certifications & licenses
Journeyman certificate as Power System Electronics Technician
Siemens AG, ZN - Berlin, Abt. GB
Journeyman certificate as Electrical Installation Technician
Siemens AG, ZGA and ZN - Berlin, Abt. GB
Statistics
Experience
Global experience
Expertise
Qualifications
Profile
Frequently asked questions
Have questions? Find more information here.
Stefan is based in Königsbrunn, Germany.
Stefan speaks the following languages: German (Native), English (Advanced), Greek (Elementary), French (Elementary), Japanese (Elementary).
Stefan has at least 30 years of experience. During this time, Stefan has worked in at least 11 different roles and for 8 different companies. The average length of individual experience is 3 years and 9 months. Note that Stefan may not have shared all experience and actually has more experience.
Based on recent experience, Stefan would be well-suited for roles such as: Senior Product Manager for Industrial Network Technology and Cyber Security, Sabbatical, Product Manager for CELSIUS Workstations, INTELLIEDGE Industry 4.0, IoT and Edge Computing Solutions and Technology Evangelist.
Stefan's most recent position is Senior Product Manager for Industrial Network Technology and Cyber Security at Krones AG.
In recent years, Stefan has worked for Krones AG and Fujitsu Client Computing Limited – FCCL.
Stefan is most experienced in industries like Information Technology, Manufacturing, and Media and Entertainment. Stefan also has some experience in Energy, Construction, and Food and Beverage.
Stefan is most experienced in business areas like Product Development, Strategy, and Project Management. Stefan also has some experience in Production, Marketing, and Quality Assurance.
Stefan has recently worked in industries like Manufacturing, Information Technology, and Food and Beverage.
Stefan has recently worked in business areas like Product Development, Strategy, and Marketing.
Stefan holds a Bachelor in Electrical Engineering from Technical University of Applied Sciences Berlin.
Stefan has 2 certificates. These include: Journeyman certificate as Power System Electronics Technician and Journeyman certificate as Electrical Installation Technician.
The availability of Stefan needs to be confirmed.
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Calculated based on our freelancers’ daily rates as of 26 Aug 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.
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