Christoph Hennings

Senior IT/OT-Security Specialist

Christoph Hennings
Norderstedt, Germany

Experience

Nov 2023 - Present
2 years 3 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 1 month

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

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
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IT Specialist for System Integration · Germany

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