Rapid7 InsightVM Experts in Germany

I implemented a Zero-Trust architecture for robust, military-grade maritime container mini data centers based on VMware & Tanzu to support containerized GIS workloads for ground forces. The main focus was on securing communications, workload protection, and data access in contested electronic battle environments affected by jamming, interception, signal manipulation, and constantly changing operational conditions. I designed and architected use cases so that every element of workload, identity, and system could continue to operate independently and securely even in degraded or disrupted scenarios. In parallel, I defined the enterprise and solution security architecture with LeanIX, Bizzdesign, and HOPEX as enterprise architecture, repository, and governance platforms to maintain architecture inventory, relationships, traceability, target pictures, and security governance in complex environments. For the architectural designs, I used Sparx Enterprise Architect to describe formal architecture views, interfaces, trust boundaries, and system architecture in both IT and OT environments. IriusRisk was used for threat modeling of the solution to identify architecture-driven risks, derive security requirements, and detect countermeasures and design gaps directly from the solution models. Risk and compliance management was supported with Archer. Architecture decisions, control gaps, and operational risks were translated into controlled governance and auditable compliance measures. For documentation, collaboration, and visual design, I used Confluence to maintain Architecture Decision Records, Security Blueprints, and workflows. I used Lucidchart and draw.io to create design artifacts tailored to stakeholders. I also defined OT security concepts with support from electrical and mechanical engineers in the areas of oil, vehicle onboard systems, rail, power plants, pharma, gas turbines, and nuclear technology. I created the end-to-end OT security strategy, starting with global policy, developed into standards and procedures, and finally aligned with Bell-LaPadula, Purdue Model, SABSA, TOGAF ADM, CENELEC 50701, IEC 62443, and NIST standards. In addition, I worked with engineering team leads to identify critical KBP assets and place them under protective measures that segmented SCADA, PLC, and HMI assets. I drove collaboration between Security, IT, and OT teams to create standardized workflows and use cases for the OT security solution catalog, while integrating Defense-in-Depth and Zero-Trust principles into operational environments. A key part of my work was integrating multidisciplinary engineering, security, and operations stakeholders into a unified security blueprinting strategy and ensuring that architecture, threat modeling, governance, and documentation were technically strong and operationally practical.

• Conducting cybersecurity readiness checks based on an in-house assessment methodology
• Analyzing the external attack surface using the Graydaxe EASM platform
• Assessing maturity levels and deriving prioritized recommendations for action

• Rolling out M365 in a complex environment
• Hybrid environments with Entra Hybrid Join and pre-provisioning
• Packaging with PowerShell Deployment Toolkit
• Troubleshooting / last-level support
• Co-management with SCCM
• Developing packages and scripts for Intune Autopilot
• Migration planning from network file shares to OneDrive / Teams
• Introducing user profile management with OneDrive
• Windows operating system design
• GPO design for the operating system and other applications
• Browser design and configuration
• OS upgrade planning (Windows 10 20H2-22H2 / Windows 11 22H2-24H2)
• Application lifecycle management / application ownership

• Consulting on an ongoing IT security architecture project
• Documenting past progress and planning next steps
• Applying and implementing the BSI IT baseline protection
• Building and maintaining security management systems
• Applying the ISO 27001 standard series
• Integrating ITIL processes into security architectures
• Collaborating with public clients, regulatory authorities and internal and external service providers

• Baseline compliance verification against MAS audit findings
• Building technical architecture concept for 30 technologies to build hardening standard artifacts
• Identifying and building automation possibilities for given technologies based on CIS
• Building the standard baseline configuration based on internal security standard
• Responsible for building Cloud Native Application Protection Platform (CNAPP) architecture artifacts based on Azure cloud platform
• Responsible for RFQ and RFP for different CNAPP solutions (Qualys Total Cloud, CrowdStrike, Azure Security Center)
• Supporting compliance verification and validation via automated scripts for a sample population of IT devices and instances
• Responsible for complete vulnerability management lifecycle using Nexpose, remediation, reporting and integration of results with Splunk, HPSM and Tableau
• Audit support for MAS

• Evaluating and assessing the current state
• Preparing and conducting security audits
• Vulnerability characterization and risk analysis
• Assessing, coordinating and transforming identified vulnerabilities into target states
• Coordinating stakeholder interests
• Developing and implementing IT security strategy for OT and IoT (continuous risk assessment and risk management, awareness, multi-layered security solutions, regular security audits, access restrictions)
• Organizational and technical documentation, presentations and workshops
• Skills: Qualys, Splunk, Nessus, QRadar, National Vulnerability Database (NVD / NIST), Open Worldwide Application Security Project (OWASP), OT, CERT/CC, BSI IT-Grundschutz catalogs, ISO 27001, MITRE ATT&CK, Center for Internet Security (CIS), GitHub, Active Directory, PowerShell, Symantec Endpoint Protection, Microsoft Azure and Office365 App Security, ITSM

• Operational management of the company: building teams and infrastructure, developing products, analysis and implementation of IT security measures

• Project assignments in the IT security environment focusing on establishing blue teaming activities (defensive processes and technologies) to defend against cyber attacks

• Conducting red teaming processes, including penetration tests and security analyses for companies

• Consulting on setting up Security Operation Centers and implementing SIEM systems, and building Computer Incident Response Teams (CSIRT)

• Auditor for ISO 9001 and ISO 27001, § 8a, ISO 27019, § 11 1a EnWG, TISAX

• Advising companies in critical infrastructures on information security and compliance with the IT Security Act

• Building SIEM/SOC processes and SOC analyst work (Splunk, ELK-Stack)

• Integrating data into monitoring tools (Prometheus, Grafana)

• Consulting on BSI IT baseline protection, ISO 9001, ISO 27001, BCM, ITIL and risk management

• Security assessments and penetration testing of IT and network architectures

• Transforming complex AI use cases into practical solutions
• Analyzing IT/telecom end-to-end business processes from requirements to order (RACI), modeling with IBO Prometheus
• Risk management
• Assessing digitalization potential, AI, and strategic supplier analysis against the IT target picture
• Optimizing offer and cost calculation bases in strategic and operational IT procurement
• Optimizing supplier strategy (DSGV and financial institutions)
• Exploring various approaches to cost optimization and simplifying supplier management
• Optimizing contracts and licensing management (e.g., SAP, Microsoft, IBM, Cisco, BMC, etc.)
• Desk and field expediting with external partners
• Possible outsourcing and consolidation of services with fewer suppliers
• On-time handover of work packages within agreed time and budget

• Vulnerability management (Greenbone, Tenable SC, Rapid7)
• Automation of vulnerability scans
• OpenTofu (Terraform)/Ansible/Vault/Podman/Docker
• Compliance audit
• SOC (ElasticSearch, Graylog)
• Python/Rust/Bash/Shell/PowerShell
• Git collaboration
• Report standardization and automation
• POC for several vulnerability scanning systems
• Setup of vulnerability scanning system

• Analyze and structure specific IT security requirements
• Build a structured requirements backlog as a basis for the sub-group’s IT security initiatives (including separation from group-wide programs)
• Conduct a systematic delta comparison with group-wide IT security requirements to identify open needs and dependencies
• Develop a multi-level IT security roadmap including implementation and project planning, aligned with internal and external stakeholders
• Provide professional project management at the program level, including status analysis, risk management, action tracking, and goal control
• Coordinate internal departments and external service providers, including communication planning and managing regular status meetings

• Deputy lead of the 10-member information security management team in a highly regulated environment (DORA, VAIT, BAIT)
• Direct reporting lines to the CIO of the Gothaer Group and the management board of Gothaer Solutions
• Regular member of the Group Risk Committee and the Compliance Committee
• Managing and coordinating information security processes within the company and with IT service providers
• Leading task forces for handling information security incidents
• Contributing to IT emergency and business continuity management