Über Christopher
Sie suchen einen Cybersecurity-Experten, der nicht nur berät, sondern auch umsetzt?
Was ich für Sie leisten kann:
Meine Schwerpunkte:
- CrowdStrike Falcon & Microsoft Defender Suite (Endpoint, Identity, Office 365) — Deployment, Tuning, Operations
- Cloud Security (Azure, AWS) & On-Premise-Infrastrukturen
- OT Security in industriellen Umgebungen
- Steuerung externer Dienstleister und SOC-Optimierung
- Automatisierung von Detection- und Response-Workflows
- Zertifizierungsbegleitung und Audit-Readiness
Was mich besonders macht:
Ideal für Projekte wie:
Deutsch
Muttersprachlich oder zweisprachig
Englisch
Verhandlungssicher
Projekt- und Berufserfahrung
- CovestroCyber Security ExpertCHEMIEFebruar 2022 - Heute (4 Jahre und 4 Monate)Leverkusen, NW, GermanyEnd-to-end ownership of enterprise security operations across a global chemical industry leader. Responsible for the full lifecycle management of CrowdStrike Falcon and the Microsoft Defender suite (Endpoint, Identity, Office 365), covering deployment, tuning, detection engineering, and incident response across cloud (Azure, AWS), on-premise, and OT environments.Key responsibilities & impact:
- SIEM operations, alert triage, and anomaly detection while turning noise into actionable intelligence
- Digital Forensics & Incident Response (DFIR): from phishing analysis and malware reverse engineering to full-scale security incident handling
- Cyber Threat Intelligence (CTI) integration to proactively harden defenses
- Steering and managing external security service providers while ensuring SLA adherence and quality delivery
- Automating detection and response workflows to increase SOC efficiency
- Bridging IT operations and security across diverse environments including industrial OT networks
Bringing strong analytical and problem-solving skills paired with clear stakeholder communication while making complex security topics accessible to technical and non-technical audiences alike. - CovestroIT Security ConsultantCHEMIEOktober 2020 - Februar 2022 (1 Jahr und 4 Monate)Leverkusen, NW, GermanyHolistic cybersecurity consulting for a global chemical industry leader, bridging strategy, governance, and operations. Acting as a trusted advisor across business units, providing end-to-end security guidance from risk assessment to implementation while covering cloud (AWS, Azure), on-premise, and OT environments.Key responsibilities & impact:
- ISMS governance and compliance consulting based on ISO 27001 and BSI IT-Grundschutz
- Risk assessments and security concept development tailored to business needs
- Strategic advisory on identity & access management - Conditional Access, Active Directory, and cloud identity (Azure AD/Entra ID)
- Security consulting across M365, Windows, and Linux ecosystems
- OT security assessments - aligning industrial environments with enterprise security standards
- CrowdStrike Falcon rollout support and endpoint security strategy
- Steering automation initiatives to improve security posture and operational efficiency
- Translating complex security requirements into actionable recommendations for technical and executive stakeholders
Combining deep analytical skills with business-oriented communication while ensuring security initiatives are not just technically sound but strategically aligned and stakeholder-approved. - PwC DeutschalndSenior Associate / IT Security ConsultantBERATUNG & AUDITSDezember 2019 - Oktober 2020 (10 Monate)Düsseldorf, DeutschlandIT security consulting within one of the Big4, advising clients across industries on information security governance, compliance, and risk management.Key responsibilities & impact:
- ISMS consulting based on ISO 27001 and BSI IT-Grundschutz - from initial scoping to certification readiness
- Gap analyses against regulatory and industry security frameworks, identifying vulnerabilities in policies, processes, and technical controls
- Developing remediation roadmaps and supporting clients through audit and certification processes
- Security assessments across network, infrastructure, and operating system landscapes
- Advising on IT operations security while ensuring operational processes meet compliance and security requirements
- Engaging with stakeholders at all levels, from IT teams to C-suite, translating audit findings into clear, prioritized action plans
Strong analytical and problem-solving mindset paired with the structured, quality-driven consulting approach of a Big4 environment.
Empfehlungen
Sei die erste Person, die Christopher empfiehlt
Teile Deine Erfahrung aus der Zusammenarbeit mit diesem Freelancer.
Diese Freelancer passen auch zu Ihren Kriterien
Agatha Frydrych
Backend Java Software Engineer
4.7
(3)
2
Baptiste Duhen
Fullstack developer
4.6
(4)
5
Amed Hamou
Senior Lead Developer
4
(2)
7
Audrey Champion
Web developer
4.3
(3)
4
Ausbildung und Abschlüsse
- Master of Business Administration - MBAFOM Hochschule für Oekonomie & Management2020Master of Business Administration - MBA
- Bachelor of ScienceFachhochschule der Wirtschaft (FHDW)2016Business Informatics IT-Consulting