14.10.2025 aktualisiert

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60 % teilweise verfügbar

Security Expert - SOC/SIEM - TLPT Leader

Berlin, Deutschland
Berlin +100 km
B.Sc.
Berlin, Deutschland
Berlin +100 km
B.Sc.

Profilanlagen

security marc.bertram consulting.docx
security marc.bertram consulting.pdf
293664-security-marc_311023.docx
293664-security-marc_010724.pdf
Security Consulting MBertram - 10-2025.docx

Skills

ZutrittskontrollsystemeActive DirectoryKünstliche IntelligenzAmazon Web ServicesPenetration TestingMicrosoft AzureCloud-SicherheitCodeanalyseKomplexe NetzwerkeInformationssicherheitComputernetzwerkeContinuous IntegrationIncident ResponseIdentitätsmanagementIntrusion Detection und PreventionIntrusion Detection SystemISO / IEC 27001Network SecurityMachine LearningNetzwerk-DesignNetzwerk-SegmentierungOAuthOpenFlowOWASPPublic-Key-InfrastrukturOpenid ConnectRed Team (Netzsicherheit)Zero Trust Network AccessSiemZynqThreat ManagementSnortGoogle CloudOktaCyberarkDigital ComplianceNational Institute Of Standards And Technology (NIST)QRadarKubernetesMetasploitNessusDSGVOSicherheitsbestimmungenBurp SuiteSplunkDevSecOpsQualysDockerJenkinsAnalyse der Schwachstellen
IT-Sicherheitskompetenzen
  1. Threat Led Pentesting (TLPT), Red Teaming & DORA
  2. Cloud Security (AWS, Azure, Google Cloud)
  3. SOC Design & Management
  4. SIEM Implementation (Splunk, QRadar)
  5. Netzwerksicherheit
  6. Threat Detection & Response
  7. Risikobewertung & -management
  8. Entwicklung von Sicherheitsrichtlinien
  9. Incident Response
  10. Security Compliance (NIST, ISO, GDPR)
  11. Intrusion Detection Systems (Splunk, Snort, Suricata)
  12. Access Control, Active Directory (AD, ADD)
  13. Keycloak, OAuth, OWASP, OpenID Connect, PKI
  14. CyberArk, One Identity, Omada (PAM/IAM)
  15. ISO 27001 / ISO 21434 / BSI-Grundschutz

Erfahrung

Berufserfahrungmehr als 10 Jahre
Freelancer seit2023

Sprachen

DeutschMutterspracheEnglischverhandlungssicherFranzösischGrundkenntnisse

Projekthistorie

IT Security Consultant/ Engineer

Internet und Informationstechnologie

1000-5000 Mitarbeiter

  • Conducted comprehensive security assessments and performed regular vulnerability scans and penetration testing to identify and remediate vulnerabilities with Nessus
  • Developed threat models, assessed risks, and implemented strategies to detect and respond to Advanced Persistent Threats (APTs).
  • Together with a team of Cisco Meraki Engineers we designed, deployed, and managed firewalls and Intrusion Detection and Prevention Systems (IDPS)
  • SIEM improvement for real-time monitoring, event analysis, and incident response.
  • Utilized the MITRE ATT&CK framework for threat detection and response, and integrated Zero Trust
  • Provided consulting for NIS2 Directive compliance, developed security policies and procedures, and ensured alignment with regulatory requirements.
  • Developed incident response plans and playbooks, and provided support during security incidents to contain and remediate threats.
  • Conducted security awareness training programs & helped during tabletop exercises
  • Deployed Data Loss Prevention (DLP) SolarWinds
  • Helped extending the current Public Key Infrastructure (PKI) to the client, on-premise and Cloud, together with current HSM/TPM environments
  • Evaluated currenty VPN & AAA solutions, e.g. Kerberos, Diameter/ RADIUS

Threat Intelligence & Red Teaming Leader

Banken und Finanzdienstleistungen

>10.000 Mitarbeiter

  1. Lead the development and execution of the bank’s Threat Intelligence & Red Teaming strategy, according to DORA and TIBER-EU requirements.
  2. Stakeholder management for Threat-Led Penetration Testing activities.
  3. Guide a team of cyber threat analysts, ensuring high-quality intelligence collection.
  4. Manage threat monitoring across open sources, deep web, and dark web, including scraping and analysis to identify emerging risks and threats, as well as working with data brokers.
  5. Manage red team exercises focused on critical business services.
  6. Develop and maintain governance frameworks, methodologies, and reporting structures for TLPT activities.
  7. Reporting to CISO, Head of IT and VP of Engineering
  8. Present threat intelligence assessments, red team outcomes, and resilience recommendations to senior management.

IT Security Architect/ Advisor

Consultancy

Wirtschaftsprüfung, Steuern und Recht

>10.000 Mitarbeiter

  • Part of a unit specialiszing in SOC, SIEM, IoT, and OT Security Experts
  • Architected and deployed a cloud-native security framework for a digital production platform in the automotive industry.
  • Orchestrated the setup and management of a Next-Gen SIEM solution, utilizing AI and machine learning algorithms for advanced threat detection and behavior analytics.
  • Implemented and customized threat intelligence feeds to enrich SIEM data and enhance incident response capabilities.
  • Developed and executed a comprehensive cloud access control strategy, including IAM roles and policies, with a focus on Zero Trust principles on an enterprise level; collaboration with the vendor’s engineering team as well as IAM and PAM specialists on the client’s side
  • Make or buy and vendor selection with the team for a global PAM solution implementation
  • Collaborated on DevSecOps initiatives to embed security into the CI/CD pipeline, integrating tools like Jenkins, Terraform, and Ansible, across teams in Europe, India and US.
  • Conducted regular penetration testing and vulnerability assessments, employing automated scanning tools such as Nessus and Qualys.
  • Designed and documented security architecture patterns aligned with Cloud Security Best Practices, emphasizing containerization and microservices.
  • Led a team of security analysts in threat hunting, utilizing machine learning algorithms to detect anomalies in network and system behavior.
  • Spearheaded IoT and OT security initiatives, ensuring the secure integration and management of IoT devices and industrial control systems.
  • Collaborated with engineers to implement security best practices for IoT device onboarding for several shop floors on a global scale and secure OT network segmentation.
  • Part of a Digital Twin effort for a Machine Manufacturing Company from Japan

Security Engineer

Optical System Manufacturing

Pharma und Medizintechnik

>10.000 Mitarbeiter

  • Part of the network & security department, responsible for over 10.000+ end user devices spread over three continents
  • Engineered a robust network segmentation strategy using SDN (Software-Defined Networking) technologies to ensure granular access control.
  • Conducted comprehensive red team exercises, emulating real-world attackers, and used tools like Metasploit and Burp Suite to identify vulnerabilities and test defenses.
  • Managed and tuned intrusion detection and prevention systems (IDS/IPS) using Snort and Suricata, enhancing network threat detection and response.
  • Actively participated in the integration of security orchestration and automation, utilizing SOAR platforms to streamline incident response workflows.
  • Implemented a Zero Trust Network Access (ZTNA) solution, utilizing software-defined perimeters and identity-based authentication.
  • Collaborated with the SOC team to configure custom correlation rules in the SIEM, leveraging security analytics and threat intelligence feeds to improve detection.
  • Contributed to the development of a Security Development Lifecycle (SDL) process, incorporating DevSecOps practices and static code analysis.
  • Played a key role in the deployment and customization of EDR (Endpoint Detection and Response) solutions, bolstering endpoint security.
  • Conducted in-depth training for junior team members, sharing knowledge and expertise in network security practices, threat analysis, and incident response.

(Junior, Senior & Lead ) Network Engineer

Internet und Informationstechnologie

1000-5000 Mitarbeiter

  • Completed a comprehensive network engineering traineeship program, gaining hands-on experience in network design, configuration, and troubleshooting.
  • Acquired skills in designing and implementing software-defined networking (SDN) solutions, including OpenFlow and Cisco ACI.
  • Collaborated with senior network engineers to troubleshoot complex network issues and optimize performance.
  • Developed proficiency in next-generation firewall management, enhancing network security and threat mitigation.

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