Christoph Hennings - Senior IT/OT-Security Specialist

Q: Where is Christoph based?

Christoph is based in Norderstedt, Germany .

Q: What languages does Christoph speak?

Christoph speaks the following languages: German (Native), English (Intermediate) .

Q: How many years of experience does Christoph have?

Christoph has at least 13 years of experience. During this time, Christoph has worked in at least 8 different roles and for 8 different companies . The average length of individual experience is 2 years and 7 months . Note that Christoph may not have shared all experience and actually has more experience.

Q: What is Christoph's latest experience?

Christoph's most recent position is Senior IT/OT-Security Specialist at Aurubis AG .

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

In recent years, Christoph has worked for Aurubis AG , Self-employed , Sysmex Europe SE , and Peter Jensen GmbH .

Q: Which industries is Christoph most experienced in?

Christoph is most experienced in industries like Information Technology (IT) , Professional Services , and Metals and Mining . Christoph also has some experience in Automotive , Healthcare , Media, and Entertainment and Publishing .

Q: Which business areas is Christoph most experienced in?

Christoph is most experienced in business areas like Information Technology (IT) , Customer Service , and Project Management .

Q: Which industries has Christoph worked in recently?

Christoph has recently worked in industries like Information Technology (IT) , Professional Services , and Metals and Mining .

Q: Which business areas has Christoph worked in recently?

Christoph has recently worked in business areas like Information Technology (IT) and Project Management .

Recommended expert

Norderstedt, Germany

Experience

Nov 2023 - Present

2 years 4 months

Senior IT/OT-Security Specialist

Aurubis AG

Specialized in development and implementation of IT and OT security strategies
Conducting risk analyses, vulnerability management and security assessments
Administration of Microsoft Cloud and server solutions
Establishment and maintenance of ISMS according to ISO 27001, NIS2, BSI and IEC 62443
Planning and management of security projects in industrial and production environments
Ensuring regulatory compliance with incident response, emergency management and awareness
Collaboration with business units, management and external service providers
Preparation of IT infrastructure for audits

Jan 2023 - Present

3 years 2 months

IT infrastructure and security consultant

Self-employed

Supporting clients in infrastructure and IT security

Apr 2022 - Oct 2023

1 year 7 months

Norderstedt, Germany

IT Infrastructure Manager

Sysmex Europe SE

Administration and support of Microsoft Cloud and on-prem services (Microsoft 365, Azure, AD, Exchange)
2nd level support for users and business units
Management and coordination of external IT service providers and support partners
Technical support and further development of business applications and IT services

Jul 2019 - Mar 2022

2 years 9 months

IT Technology & Infrastructure

Peter Jensen GmbH

Administration and operation of Microsoft Cloud and on-prem services (e.g. Microsoft 365, Azure, AD, Exchange)
Technical support and further development of business applications
2nd level support for users and business units
Management and coordination of external IT service providers
Support and implementation of IT projects in the operational environment

Jan 2019 - Jul 2019

7 months

IT Support Specialist

Sertronics GmbH

1st and 2nd level support for employees and business units
Microsoft 365 administration and maintenance of Windows servers and IT infrastructure
Microsoft Azure administration and support of internal IT systems, including studio systems and directing technology
Windows Server administration and support of printing systems
Participation in IT projects and continuous optimization of internal processes

Aug 2017 - Dec 2018

1 year 5 months

IT Infrastructure

CH Media

Exchange
IT security
Data security
OT security
ISMS strategy

Aug 2015 - Jul 2017

2 years

Administrator

Sixt GmbH & Co. Autovermietung KG

1st and 2nd level support for employees in daily operations
Maintenance and servicing of internal IT infrastructure
Administration and maintenance of Windows servers and system services
Support of company-wide printer landscape and telephone system
Participation in IT projects and technical implementation of operational requirements

Mar 2013 - Jul 2015

2 years 5 months

On-site

Web Developer

What Media

On-site support and technical assistance directly with customers
Performing 1st level support for error analysis and problem resolution

Photographer

Self-employed Photographer

Conception, production and editing of advertising and image videos
Photography activities focusing on the automotive industry
Social media and content marketing

Industries Experience

See where this freelancer has spent most of their professional time. Longer bars indicate deeper hands-on experience, while shorter ones reflect targeted or project-based work.

Experienced in Information Technology (8.5 years), Professional Services (3 years), Metals and Mining (2.5 years), Automotive (2 years), Healthcare (1.5 years), and Media and Entertainment (1.5 years).

Information Technology

Professional Services

Metals and Mining

Automotive

Healthcare

Media and Entertainment

Business Areas Experience

The graph below provides a cumulative view of the freelancer's experience across multiple business areas, calculated from completed and active engagements. It highlights the areas where the freelancer has most frequently contributed to planning, execution, and delivery of business outcomes.

Experienced in Information Technology (13 years), Customer Service (3 years), and Project Management (2.5 years).

Information Technology

Customer Service

Project Management

Summary

I am Christoph, an experienced Senior IT/OT Security Specialist at Aurubis AG, specialized in developing and implementing security strategies for IT and OT environments and conducting risk analyses. With extensive experience in administering Microsoft cloud and server solutions, I have strong skills in planning and managing security projects in industrial and production environments. My goal is to ensure long-term protection of IT infrastructures through effective security measures and collaboration with various departments. Since 2023, I have also been self-employed, supporting clients in infrastructure and IT security.

Skills

Microsoft 365 Administration
Microsoft Azure
System Administration
Windows Server
System Integration
Active Directory
Information Technology
Microsoft Infrastructure
Exchange
It Security
Data Security
Ot Security
Isms

Languages

German

Native

English

Intermediate

Education

Sep 2009 - Aug 2012

IT Specialist for System Integration · Germany

Profile

Created

November 2025

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Frequently asked questions

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

Where is Christoph based?

Christoph is based in Norderstedt, Germany.

What languages does Christoph speak?

Christoph speaks the following languages: German (Native), English (Intermediate).

How many years of experience does Christoph have?

Christoph has at least 13 years of experience. During this time, Christoph has worked in at least 8 different roles and for 8 different companies. The average length of individual experience is 2 years and 7 months. Note that Christoph may not have shared all experience and actually has more experience.

What roles would Christoph be best suited for?

Based on recent experience, Christoph would be well-suited for roles such as: Senior IT/OT-Security Specialist, IT infrastructure and security consultant, IT Infrastructure Manager.

What is Christoph's latest experience?

Christoph's most recent position is Senior IT/OT-Security Specialist at Aurubis AG.

What companies has Christoph worked for in recent years?

In recent years, Christoph has worked for Aurubis AG, Self-employed, Sysmex Europe SE, and Peter Jensen GmbH.

Which industries is Christoph most experienced in?

Christoph is most experienced in industries like Information Technology (IT), Professional Services, and Metals and Mining. Christoph also has some experience in Automotive, Healthcare, Media, and Entertainment and Publishing.

Which business areas is Christoph most experienced in?

Christoph is most experienced in business areas like Information Technology (IT), Customer Service, and Project Management.

Which industries has Christoph worked in recently?

Christoph has recently worked in industries like Information Technology (IT), Professional Services, and Metals and Mining.

Which business areas has Christoph worked in recently?

Christoph has recently worked in business areas like Information Technology (IT) and Project Management.

What is Christoph's education?

Christoph attended education in IT Specialist for System Integration.

What is the availability of Christoph?

Christoph is immediately available for suitable projects.

What is the rate of Christoph?

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