Kerstin G.-IT Security Officer with Tüv Rheinland certified qualification

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Experience
Information Security Consulting
CAS AG
PMO Lead Expert
WDR mediagroup für WDR Köln
- Planning the migration and ensuring the implementation of Outlook ExchangeOnline, EXO; commissioning and planning external resources
RMO-Lead Expert
REWE digital GmbH
- Rollout Management Office for hardware rollouts at REWE, SAP goods receipt postings, orders, rollout support, route planning for IT renovations in stores, commissioning and planning external resources
PMO-Lead Expert
toom Baumarkt
- DSGV audit, creation and management of JIRA tickets, commissioning external resources
PMO-Lead Expert/ Project Management
A.T.U.(Automobile)
- Network conversion to VIOCE-IP in the Austrian stores, commissioning and planning external resources, support during the relocation of the A.T.U data center, resource and budget controlling, commissioning external service providers, management presentations
PMO-Lead Expert
W&W Group (Versicherungen)
- Budget and resource controlling in Clarity, preparation of decision papers and presentations for management, commissioning of external service providers, JIRA ticket management, implementation of BAIT requirements, Compliance 44 KWG
PMO-Lead Expert
Avaloq a NEC Company
- Budget controlling and resource planning in SAP PPM, preparation of decision papers and presentations for management, preparation of minutes, implementation of BAIT requirements as part of the project; MaRisk requirements, commissioning and planning of external resources
PMO-Lead Expert
S & B Innovations GmbH
- Support for customer projects in the area of project organization, commissioning and planning of external resources
Coaching
- Implementation and training of Micros Fidelio in various 5 * hotels in Turkey
PMO-Lead for infrastructure projects
LANXESS AG
- Budget controlling and resource planning in SAP PPM, preparation of decision papers and presentations for management, preparation of minutes
PMO-Lead
Landesverband Rheinland
- PMO management for various infrastructure projects
PMO Lead for ISO – Certification 27001
Rewe Systems GmbH
- PMO management in the REIZ project for ISO – Certification 27001 in cooperation with TÜV TRUST, commissioning of external resources and planning
Requirements Management IMP
Deutsche Post – Bereich Brief
- Requirements management for IMP – Information Management Portal Test case creation in HPQC
Senior PMO Expert
ALDI Süd GmbH
PMO-Lead and setup
- PMO setup in the ASA program
- Support for the introduction of Clarity
- CR process developed and established
PMO-Lead
Zurich Gruppe Deutschland
Germany Life VSL division
- PMO-Lead for the Life SD division
- Budget controlling; resource planning; preparation of decision templates and presentations for management;
Business Analysis SCM
Vodafone DE
- EVO SCM Integration Finance Team for Kabel Deutschland, Fit/Gap analysis based on the Supply Chain Management process of the VF Group/VPC. Deep dives based on the Fit/Gap analysis for the migration of Kabel Deutschland to EVO Vodafone. Repeated scope analysis with a new timeline
Senior PMO Expert/PMO Lead/Project Coordinator
Postbank Systems AG
- PMO support for SAP CML projects (project volume > 45 Mio.) independent management of project groups, mainly SAP Core Banking Credit; managing project planning and approval procedures for committees; cross-project organization as part of the merger of Deutsche Bank/Postbank; sole PBS-side management of the Magellan project DB Baufi CML -> focus on migrating DB's construction financing to PB CML. 2-digit Mio. volume
- Budget controlling; commissioning external resources, planning and managing internal and external resources; preparing decision papers and presentations for management; event planning; configuration management according to CMMI; statistical evaluations for project groups; developing a joint ordering process for PBS/DB; CR board established; initiating annual provisions
PMO Consultant
DPITS
- PMO support for the NewOPS project for DPIT-Solutions
- Project Management Office (supporting project managers in project management and resource management), preparing project documentation, project planning, preparing and following up on meetings, project administration, travel management, supporting configuration teams with document management,
Test Lead / Test Management & Rollout
TSG Tankstellen GmbH
- Implementation and test responsibility for introducing Payback throughout Germany for ARAL/BP (2550 filling stations)
- Creating test plans/test cases, conducting tests, successfully completing testing with approval for production use
Rollout Manager
OMV Tankstellen
- Configuration and migration of new article master data for all OMV filling stations in Germany/Austria
Rollout Manager / Coach
REWE-Informations-Systeme GmbH
- Configuration and training for EC-Cash Ingenico in all Rewe stores and partner stores (4500 stores throughout Germany -> Penny, Minimal)
Parental leave
Coaching
- Implementation and training of Micros Fidelio in various 5 * hotels in Turkey
Rollout Manager / Coach
REWE-Informations-Systeme GmbH
- Nationwide implementation of the ZAST program (new master data management, cross-branch goods/ordering system) in all Rewe stores and partner stores (4500 stores throughout Germany -> Penny, Minimal)
Technical Consultant
DeTeImmobilien Service GmbH
- Preparation of operating manuals for antenna towers and support/documentation of the legally required inspection of antenna towers (3500 throughout Germany + rented)
Technical Consultant for various utility companies
- Preparation/analysis of operating manuals in the gas/water/electricity sectors
Industry experience
See where this freelancer has spent most of their professional time.
Experienced in Information Technology, Banking and Finance, Retail, Telecommunication, Tourism, and Automotive.
Business area experience
See which departments and functions this freelancer has contributed to most.
Experienced in Project Management, Information Technology, Finance, Operations, Procurement, and Quality Assurance.
Skills
It Skills
- Sap Psp
- P02 (Budget Monitoring, Order Approvals/Administration)
- Ms Office
- Sharepoint
- Clarity
- Resource Management
- Clarity Ppm (Enterprise Project And Portfolio Management)
- Zebra
- Lotus Notes
- Hpqc
- Isms
- Jira
- Google Meets
- Google Drive
- Confluence
- Kanban
- Teams
Languages
Education
Training as an Office Administrator · Office Administrator · Giessen, Germany
Certifications & licenses
Statistics
Experience
Expertise
Qualifications
Profile
Frequently asked questions
Have questions? Find more information here.
Kerstin is based in Berlin, Germany.
Kerstin speaks the following languages: German (Native), English (Intermediate).
Kerstin has at least 24 years of experience. During this time, Kerstin has worked in at least 20 different roles and for 21 different companies. The average length of individual experience is 1 year and 11 months. Note that Kerstin may not have shared all experience and actually has more experience.
Based on recent experience, Kerstin would be well-suited for roles such as: Information Security Consulting, PMO Lead Expert, RMO-Lead Expert.
Kerstin's most recent position is Information Security Consulting at CAS AG.
In recent years, Kerstin has worked for CAS AG, WDR mediagroup für WDR Köln, REWE digital GmbH, toom Baumarkt, and A.T.U.(Automobile).
Kerstin is most experienced in industries like Information Technology, Banking and Finance, and Retail. Kerstin also has some experience in Telecommunication, Tourism, and Automotive.
Kerstin is most experienced in business areas like Project Management, Information Technology, and Finance. Kerstin also has some experience in Operations, Procurement, and Quality Assurance.
Kerstin has recently worked in industries like Information Technology, Automotive, and Retail.
Kerstin has recently worked in business areas like Information Technology, Project Management, and Operations.
Kerstin attended education in Office Administrator.
Kerstin has 4 certificates. Among them, these include: IHK Ausbilder, IT-Security Beraterin, and Product Owner.
Kerstin will be available from January 2027.
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Calculated based on our freelancers’ daily rates as of 16 Oct 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.
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