Interim Manager | CISO | CISSP, ISO 27001, NIS2, CRA, SOC/SIEM, Zero Trust | Bridging Strategy & Ops
Aktualisiert am 10.04.2026
Profil
Freiberufler / Selbstständiger
Remote-Arbeit
Verfügbar ab: 01.05.2026
Verfügbar zu: 100%
davon vor Ort: 60%
Security Leadership
IT-Security
Interim Manager
Risikomanagement
IT-Grundschutz
Incident Management
Eskalationsmanagement
Cloud Security
Teamleading
ISO 27001
Sicherheitsmanagement
Security Konzepte
IT-Sicherheitsarchitektur
Security C-Level Advisory
Virtual CISO
Security Team Coaching & Training
German
Muttersprache
English
Muttersprache

Einsatzorte

Einsatzorte

Frankfurt am Main (+50km)
Deutschland
möglich

Projekte

Projekte

1 year 5 months
2024-12 - 2026-04

Strategic Implementation of the Cyber Resilience Act (CRA)

Projectlead IT-Security Informationssicherheit
Projectlead
  • Led cross-functional execution of regulatory requirements across the entire product portfolio
  • Integrated threat modeling and security-by-design as standard procedures in product development
  • Expertise: Active contributor to CRA guidance within Bitkom at the EU level
IT-Security Informationssicherheit
2 years 3 months
2024-02 - 2026-04

Zero Trust Architecture & Strategy

Lead Security Architect Cloud Security IT-Security
Lead Security Architect
  • Planned and executed a multi-phase Zero Trust roadmap to secure hybrid environments
  • Focused on Identity & Access Management (IAM), micro-segmentation, and Conditional
Cloud Security IT-Security
1 year 10 months
2024-02 - 2025-11

SIEM Transition & SOC Establishment (QRadar to MS Sentinel)

  • Managed the migration of the legacy SIEM (IBM QRadar) to Microsoft Sentinel
  • Built and managed a Security Operations Center (SOC), including end-to-end incident response
4 years 1 month
2018-01 - 2022-01

ISO 27001 ISMS Establishment & Certification

Projectlead Informationssicherheit ISO 27001
Projectlead
  • Designed and implemented a group-wide Information Security Management System (ISMS)
  • Conducted risk assessments, defined policies, and established Continuous Improvement Processes (CIP)
  • Result: Successful initial certification and creation of a robust governance framework
Informationssicherheit ISO 27001
1 year 1 month
2020-02 - 2021-02

Threat Intelligence System Implementation

Projectlead Project Controlling
Projectlead
  • Implemented and configured threat intelligence platforms (e.g., OpenCTI, MISP)
  • Result: Improved the efficiency of threat intelligence and analysis processes by 35%
Project Controlling
1 year 1 month
2019-03 - 2020-03

Vulnerability Management with Rapid7 InsightVM

Projectlead
Projectlead
  • Architected and rolled out a global automated vulnerability management program
  • Integrated scanning and remediation into IT operations to measurably reduce the attack surface
Project Controlling

Aus- und Weiterbildung

Aus- und Weiterbildung

3 years
2016-10 - 2019-09

Dual student in business informatics

Techem Energy Services GmbH
Techem Energy Services GmbH

Kompetenzen

Kompetenzen

Top-Skills

Security Leadership IT-Security Interim Manager Risikomanagement IT-Grundschutz Incident Management Eskalationsmanagement Cloud Security Teamleading ISO 27001 Sicherheitsmanagement Security Konzepte IT-Sicherheitsarchitektur Security C-Level Advisory Virtual CISO Security Team Coaching & Training

Produkte / Standards / Erfahrungen / Methoden

Strategic Information Security leader with a proven track record of managing governance, risk, and security architectures in large-scale corporate environments (> ?1bn revenue). As an independent consultant, I bridge the gap between complex regulatory requirements (CRA, NIS2, EU AI Act) and scalable, business-aligned  securityoperations.


SKILLS

  • Security Governance
  • ISMS Control
  • Risk management
  • Regulatory compliance
  • Security strategy
  • IAM strategy
  • Cyber Resillience Act (CRA)
  • EU AI Act
  • Project management
  • Program management
  • Personnel management & development
  • Stakeholder management
  • Incident governance
  • Zero trust strategy
  • ISO/IEC 27001 Lead Auditor
  • NIS 2


2018 ? 2022

Customer: ISO 27001 ISMS Establishment & Certification 


Task

  • Designed and implemented a group-wide Information Security Management System (ISMS)
  • Conducted risk assessments, defined policies, and established Continuous Improvement Processes (CIP)
  • Result: Successful initial certification and creation of a robust governance framework


2024 ? 2026

Customer: Strategic Implementation of the Cyber Resilience Act (CRA) 


Task

  • Led cross-functional execution of regulatory requirements across the entire product portfolio
  • Integrated threat modeling and security-by-design as standard procedures in product development
  • Expertise: Active contributor to CRA guidance within Bitkom at the EU level


2024 ? 2026

Customer: Zero Trust Architecture & Strategy 


Task

  • Planned and executed a multi-phase Zero Trust roadmap to secure hybrid environments.
  • Focused on Identity & Access Management (IAM), micro-segmentation, and Conditional Access policies


2024 - 2025

Customer: SIEM Transition & SOC Establishment (QRadar to MS Sentinel) 


Task

  • Managed the migration of the legacy SIEM (IBM QRadar) to Microsoft Sentinel
  • Built and managed a Security Operations Center (SOC), including end-to-end incident response workflows


2019 - 2020

Customer: Vulnerability Management with Rapid7 InsightVM 


Task

  • Architected and rolled out a global automated vulnerability management program
  • Integrated scanning and remediation into IT operations to measurably reduce the attack surface


2020 - 2021

Customer: Threat Intelligence System Implementation 


Task

  • Implemented and configured threat intelligence platforms (e.g., OpenCTI, MISP)
  • Result: Improved the efficiency of threat intelligence and analysis processes by 35%


Experience

  • NIS-2: Proven track record in implementing NIS-2 requirements within ISO 27001-based environments. Expert in conducting gap analyses and executing remediation projects to ensure full compliance, with a particular focus on Supply Chain Security
  • EU Cyber Resilience Act (CRA): Extensive experience leading the strategic and operational execution of the CRA for large-scale product portfolios. Specialized in managing cross-functional teams to integrate regulatory requirements into standard product development. I leverage the CRA as a driver for long-term product resilience by establishing "Security by Design" as a corporate standard
  • EU AI Act: Subject matter expert for the implementation of the EU AI Act. Experienced in aligning AI-driven business initiatives with emerging European regulatory frameworks and governance standards Strategic level (Bitkom/EU): Actively contributing to the development of EU security regulations
  • ISO 27001 & ISMS development: Deep expertise in designing and maturing Information Security Management Systems (ISMS). As a certified ISO 27001 Lead Auditor, I regularly conduct high-stakes audits of suppliers, service providers, and corporate locations
  • CISO Alliance: Active member of the CISO Alliance e.V., engaging in high-level knowledge exchange on regulatory trends (NIS-2, AI Act, CRA) and modern security leaderships


IT-Skills

MS Office | Office 365 | Azure Cloud | Palo Alto Firewall | Vulnerability Management | Entra Suite | MS Defender XDR | MS Sentinel | Threat Intelligence (OpenCTI, MISP) | ServiceNow | React Software Development | Gitlab | AzureDevOps

Einsatzorte

Einsatzorte

Frankfurt am Main (+50km)
Deutschland
möglich

Projekte

Projekte

1 year 5 months
2024-12 - 2026-04

Strategic Implementation of the Cyber Resilience Act (CRA)

Projectlead IT-Security Informationssicherheit
Projectlead
  • Led cross-functional execution of regulatory requirements across the entire product portfolio
  • Integrated threat modeling and security-by-design as standard procedures in product development
  • Expertise: Active contributor to CRA guidance within Bitkom at the EU level
IT-Security Informationssicherheit
2 years 3 months
2024-02 - 2026-04

Zero Trust Architecture & Strategy

Lead Security Architect Cloud Security IT-Security
Lead Security Architect
  • Planned and executed a multi-phase Zero Trust roadmap to secure hybrid environments
  • Focused on Identity & Access Management (IAM), micro-segmentation, and Conditional
Cloud Security IT-Security
1 year 10 months
2024-02 - 2025-11

SIEM Transition & SOC Establishment (QRadar to MS Sentinel)

  • Managed the migration of the legacy SIEM (IBM QRadar) to Microsoft Sentinel
  • Built and managed a Security Operations Center (SOC), including end-to-end incident response
4 years 1 month
2018-01 - 2022-01

ISO 27001 ISMS Establishment & Certification

Projectlead Informationssicherheit ISO 27001
Projectlead
  • Designed and implemented a group-wide Information Security Management System (ISMS)
  • Conducted risk assessments, defined policies, and established Continuous Improvement Processes (CIP)
  • Result: Successful initial certification and creation of a robust governance framework
Informationssicherheit ISO 27001
1 year 1 month
2020-02 - 2021-02

Threat Intelligence System Implementation

Projectlead Project Controlling
Projectlead
  • Implemented and configured threat intelligence platforms (e.g., OpenCTI, MISP)
  • Result: Improved the efficiency of threat intelligence and analysis processes by 35%
Project Controlling
1 year 1 month
2019-03 - 2020-03

Vulnerability Management with Rapid7 InsightVM

Projectlead
Projectlead
  • Architected and rolled out a global automated vulnerability management program
  • Integrated scanning and remediation into IT operations to measurably reduce the attack surface
Project Controlling

Aus- und Weiterbildung

Aus- und Weiterbildung

3 years
2016-10 - 2019-09

Dual student in business informatics

Techem Energy Services GmbH
Techem Energy Services GmbH

Kompetenzen

Kompetenzen

Top-Skills

Security Leadership IT-Security Interim Manager Risikomanagement IT-Grundschutz Incident Management Eskalationsmanagement Cloud Security Teamleading ISO 27001 Sicherheitsmanagement Security Konzepte IT-Sicherheitsarchitektur Security C-Level Advisory Virtual CISO Security Team Coaching & Training

Produkte / Standards / Erfahrungen / Methoden

Strategic Information Security leader with a proven track record of managing governance, risk, and security architectures in large-scale corporate environments (> ?1bn revenue). As an independent consultant, I bridge the gap between complex regulatory requirements (CRA, NIS2, EU AI Act) and scalable, business-aligned  securityoperations.


SKILLS

  • Security Governance
  • ISMS Control
  • Risk management
  • Regulatory compliance
  • Security strategy
  • IAM strategy
  • Cyber Resillience Act (CRA)
  • EU AI Act
  • Project management
  • Program management
  • Personnel management & development
  • Stakeholder management
  • Incident governance
  • Zero trust strategy
  • ISO/IEC 27001 Lead Auditor
  • NIS 2


2018 ? 2022

Customer: ISO 27001 ISMS Establishment & Certification 


Task

  • Designed and implemented a group-wide Information Security Management System (ISMS)
  • Conducted risk assessments, defined policies, and established Continuous Improvement Processes (CIP)
  • Result: Successful initial certification and creation of a robust governance framework


2024 ? 2026

Customer: Strategic Implementation of the Cyber Resilience Act (CRA) 


Task

  • Led cross-functional execution of regulatory requirements across the entire product portfolio
  • Integrated threat modeling and security-by-design as standard procedures in product development
  • Expertise: Active contributor to CRA guidance within Bitkom at the EU level


2024 ? 2026

Customer: Zero Trust Architecture & Strategy 


Task

  • Planned and executed a multi-phase Zero Trust roadmap to secure hybrid environments.
  • Focused on Identity & Access Management (IAM), micro-segmentation, and Conditional Access policies


2024 - 2025

Customer: SIEM Transition & SOC Establishment (QRadar to MS Sentinel) 


Task

  • Managed the migration of the legacy SIEM (IBM QRadar) to Microsoft Sentinel
  • Built and managed a Security Operations Center (SOC), including end-to-end incident response workflows


2019 - 2020

Customer: Vulnerability Management with Rapid7 InsightVM 


Task

  • Architected and rolled out a global automated vulnerability management program
  • Integrated scanning and remediation into IT operations to measurably reduce the attack surface


2020 - 2021

Customer: Threat Intelligence System Implementation 


Task

  • Implemented and configured threat intelligence platforms (e.g., OpenCTI, MISP)
  • Result: Improved the efficiency of threat intelligence and analysis processes by 35%


Experience

  • NIS-2: Proven track record in implementing NIS-2 requirements within ISO 27001-based environments. Expert in conducting gap analyses and executing remediation projects to ensure full compliance, with a particular focus on Supply Chain Security
  • EU Cyber Resilience Act (CRA): Extensive experience leading the strategic and operational execution of the CRA for large-scale product portfolios. Specialized in managing cross-functional teams to integrate regulatory requirements into standard product development. I leverage the CRA as a driver for long-term product resilience by establishing "Security by Design" as a corporate standard
  • EU AI Act: Subject matter expert for the implementation of the EU AI Act. Experienced in aligning AI-driven business initiatives with emerging European regulatory frameworks and governance standards Strategic level (Bitkom/EU): Actively contributing to the development of EU security regulations
  • ISO 27001 & ISMS development: Deep expertise in designing and maturing Information Security Management Systems (ISMS). As a certified ISO 27001 Lead Auditor, I regularly conduct high-stakes audits of suppliers, service providers, and corporate locations
  • CISO Alliance: Active member of the CISO Alliance e.V., engaging in high-level knowledge exchange on regulatory trends (NIS-2, AI Act, CRA) and modern security leaderships


IT-Skills

MS Office | Office 365 | Azure Cloud | Palo Alto Firewall | Vulnerability Management | Entra Suite | MS Defender XDR | MS Sentinel | Threat Intelligence (OpenCTI, MISP) | ServiceNow | React Software Development | Gitlab | AzureDevOps

Vertrauen Sie auf Randstad

Im Bereich Freelancing
Im Bereich Arbeitnehmerüberlassung / Personalvermittlung

Fragen?

Rufen Sie uns an +49 89 500316-300 oder schreiben Sie uns:

Das Freelancer-Portal

Direktester geht's nicht! Ganz einfach Freelancer finden und direkt Kontakt aufnehmen.