Ralf Lembke - Chief Information Security Officer

Q: Where is Ralf based?

Ralf is based in Neumünster, Germany .

Q: What languages does Ralf speak?

Ralf speaks the following languages: German (Native), English (Advanced) .

Q: How many years of experience does Ralf have?

Ralf has at least 46 years of experience. During this time, Ralf has worked in at least 10 different roles and for 10 different companies . The average length of individual experience is 5 years and 7 months . Note that Ralf may not have shared all experience and actually has more experience.

Q: What is Ralf's latest experience?

Ralf's most recent position is Chief Information Security Officer at Stadtwerke Krefeld Holding AG .

Q: What companies has Ralf worked for in recent years?

In recent years, Ralf has worked for Stadtwerke Krefeld Holding AG and Versatus GmbH .

Q: Which industries is Ralf most experienced in?

Ralf is most experienced in industries like Manufacturing , Aerospace and Defense , and Professional Services . Ralf also has some experience in Utilities , Transportation , and Government and Administration .

Q: Which business areas is Ralf most experienced in?

Ralf is most experienced in business areas like Quality Assurance , Logistics , and Operations . Ralf also has some experience in Production , Sales , and Information Technology .

Q: Which industries has Ralf worked in recently?

Ralf has recently worked in industries like Professional Services and Utilities .

Q: Which business areas has Ralf worked in recently?

Ralf has recently worked in business areas like Information Technology , Quality Assurance , and Sustainability Management .

Recommended expert

Neumünster, Germany

Experience

Feb 2023 - Dec 2023

11 months

Chief Information Security Officer

Stadtwerke Krefeld Holding AG

Established an information security management system for the entire group
Supported 2 KRITIS subsidiaries

Jan 2019 - Present

7 years 3 months

Founder and Managing Director

Versatus GmbH

Established Versatus® GmbH as a Germany-wide consulting firm in quality management, environmental management, information security, and data protection

Dec 2018 - Jun 2019

7 months

Information Security Officer (ISO) and designated person/point of contact to the BSI

Large northern German energy provider in a Hanseatic city

Prepared the company for ISO 27001/ISO 27019 and KRITIS re-certification by TÜV

May 2017 - Oct 2017

6 months

Interim ISMS Implementation (ISMS, ISO 27001, ISO 27002, ISO 27005, ISO 27019, IT Security Law, KRITIS)

Large German/Dutch high-voltage power provider in Bavaria

Implemented ISMS according to various standards in Bayreuth and Arnhem (NL)

Nov 2016 - May 2017

7 months

Consultant Security & Risk Management

Bundesdruckerei Berlin

Advised on security & risk management, access control systems, ISO 27001, ISO 27002, ISO 27005, IMS, EU GDPR

Apr 2014 - Aug 2015

1 year 5 months

Project Leader / Manager Security

VG Cargo GmbH

Implementation of AEO-F and TAPA TACSS
Implementation of ISO 28000 and support through to the audit by the certification company
Security consulting for CCTV, access control and time tracking systems, IT security, BSI IT baseline protection, ISO 27001, fire safety, evacuation
Conducting trainings

Jan 2010 - Dec 2018

9 years

Founder

Lembke Consulting

Established Lembke Consulting as a packaging supplier for industry in Germany

Jan 1987 - Dec 2010

24 years

Production Manager, Operations Manager, Quality Management Manager, Logistics Manager, Sales Manager

Various plastic processing packaging companies

Companies including Kautex Textron, LINPAC, Promens, Rosti
Blow molding, injection molding and stretch blow molding processes
Development of packaging solutions in plastic and corrugated cardboard
Printing and labeling of plastic containers
Machine maintenance, servicing, planning of new refrigeration systems and warehouses (30,000 m²)

Jan 1980 - Dec 1987

8 years

G2 Military Security

German Army 6th Panzergrenadier Division staff

Jan 1980 - Dec 1987

8 years

Shipping and Packaging Staff

Sauer Transmissions (now Danfoss Neumünster)

Shipping motors and pumps (transmissions)

Industry Experience

See where this freelancer has spent most of their professional time.

Experienced in Manufacturing, Aerospace and Defense, Professional Services, Utilities, Transportation, and Energy.

Manufacturing

Aerospace and Defense

Professional Services

Utilities

Transportation

Energy

Business Area Experience

See which departments and functions this freelancer has contributed to most.

Experienced in Quality Assurance, Logistics, Operations, Production, Sales, and Information Technology.

Quality Assurance

Logistics

Operations

Production

Sales

Information Technology

Skills

Ms-office (Excel, Word, Outlook, Powerpoint, Project, Access, Visio)
Lotus Notes
Mind Mapping
Jira
Confluence (Extensive Experience)
Trained As A Programmer (6 Programming Languages)
Networking / Network Experience
System House Managing Director
Ms Windows Experience From 3.11 Wfw To 10.1

Languages

German

Native

English

Advanced

Education

Apprenticeship as a programmer · Programming

Certifications & licenses

Trainer qualification

AEVO

IRCA ISO 14001 Lead Auditor

IRCA ISO 20000 Lead Auditor

IRCA ISO 22301 Lead Auditor

IRCA ISO 27001 Information Security Management Auditor

IRCA ISO 9001 Lead Auditor

ISO 28000 Security System Management Auditor

KI ISO 42001 Certification Auditor

Lead Auditor ISO 27001

SA 8000 Auditor

TISAX Foundation

Certified Supervisory Board Member

Supervisory Board Seminar Series at Schloss Montabaur

Certification Auditor ISO 27001, ISO 9001, ISO 22301, ISO 27019, SA8000, CoC

Statistics

Experience

Total positions 10

Experience in Manufacturing 39 y

Avg length 5 y 11 m

Longest experience 23 y 11 m

Expertise

Recent roles Chief Information Security Officer, Founder and Managing Director, Information Security Officer (ISO) and designated person/point of contact to the BSI

Main industries Manufacturing, Aerospace and Defense, Professional Services

Main business areas Quality Assurance, Logistics, Operations

Qualifications

Certifications earned 13

Profile

Created

July 2025

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Frequently asked questions

Do you have questions? Here you can find further information.

Where is Ralf based?

Ralf is based in Neumünster, Germany.

What languages does Ralf speak?

Ralf speaks the following languages: German (Native), English (Advanced).

How many years of experience does Ralf have?

Ralf has at least 46 years of experience. During this time, Ralf has worked in at least 10 different roles and for 10 different companies. The average length of individual experience is 5 years and 7 months. Note that Ralf may not have shared all experience and actually has more experience.

What roles would Ralf be best suited for?

Based on recent experience, Ralf would be well-suited for roles such as: Chief Information Security Officer, Founder and Managing Director, Information Security Officer (ISO) and designated person/point of contact to the BSI.

What is Ralf's latest experience?

Ralf's most recent position is Chief Information Security Officer at Stadtwerke Krefeld Holding AG.

What companies has Ralf worked for in recent years?

In recent years, Ralf has worked for Stadtwerke Krefeld Holding AG and Versatus GmbH.

Which industries is Ralf most experienced in?

Ralf is most experienced in industries like Manufacturing, Aerospace and Defense, and Professional Services. Ralf also has some experience in Utilities, Transportation, and Government and Administration.

Which business areas is Ralf most experienced in?

Ralf is most experienced in business areas like Quality Assurance, Logistics, and Operations. Ralf also has some experience in Production, Sales, and Information Technology.

Which industries has Ralf worked in recently?

Ralf has recently worked in industries like Professional Services and Utilities.

Which business areas has Ralf worked in recently?

Ralf has recently worked in business areas like Information Technology, Quality Assurance, and Sustainability Management.

What is Ralf's education?

Ralf attended education in Programming.

Does Ralf have any certificates?

Ralf has 13 certificates. Among them, these include: Trainer qualification, IRCA ISO 14001 Lead Auditor, and IRCA ISO 20000 Lead Auditor.

What is the availability of Ralf?

Ralf is immediately available full-time for suitable projects.

What is the rate of Ralf?

Ralf's rate depends on the specific project requirements. Please use the Meet button on the profile to schedule a meeting and discuss the details.