IoT architecture for 50,000 industrial devices
2025 External Lead Architect. Migration of a 10+ year old IoT solution (Europe, APAC). Assessment of existing state, business and security requirements, target design (Azure, Kubernetes, microservices, multitenant). Delivery plan for 19 people. Update of cloud operations standards (Azure landing zones). CxO communication.
NIS2 exit strategy for Microsoft 365
2025 Assessment of M365 usage in an oil/gas company under NIS2. Three exit scenarios, migration plan, governance and schedule, risk and mitigation analysis, test scenarios, exit initiation criteria. Data inventory and export scripts.
Security governance & risk assessment
2025 Global agency searching for CxO roles for Fortune 500 companies. Security assessment of HQ and 80 branches, 600 employees. Security policies, risk analysis, GDPR, NIS2, ISO 27001/2.
Incident response plans (IT + OT, NIS2)
2024–2025 Global chemicals manufacturer. Expansion of existing guidelines and standards for IRP and DR procedures (roles, functions, communication plans, DR steps, infrastructure priorities).
Banking apps migration to AWS - Raiffeisen CZ
2024 Preparation of selected applications for migration to AWS. Business requirements (RTO, RPO), target architecture, TCO. Security baselines for main building blocks (EC2, S3, ECS, RDS). Remediation of security findings.
Banking apps migration to AWS - Tatra Banka SK
2023–2024 Migration of 14 Tatra Banka applications to AWS. Initial analysis, target design, cost calculations, approval management (security, operations), infrastructure modeling, stakeholder communication, delivery support.
PKI in the post-quantum era
2025 Review of hardening options for Microsoft PKI to support post-quantum cryptography in fintech. Research, proposal of next steps.
International web platforms - Adecco Group
2018–2024 Design and delivery of integrated web solutions (CRM, integrations, websites) for 57 countries, 3 regions, 4 brands, ~10M visits per month. Sitecore WCMS, high availability, integrations to CRM and tracking platforms.