He has been managing international network projects for years, taking full responsibility for timelines, budgets, and quality, and successfully implementing complex strategies across critical infrastructure (KRITIS), enterprise, and public sector environments
Holds multiple certifications (including CCIE, CCDE, NSE7) and has extensive experience with Cisco ACI, SD-Access, ISE, as well as firewalls, VPNs, IDS/IPS, and zero-trust security concepts
He skillfully translates business requirements into technical solutions and acts as a trusted advisor to CIOs – especially in regulated and security-critical environments
Solid hands-on experience with AWS, Azure, and GCP, as well as with hybrid cloud networks, SD-WAN architectures, and monitoring tools like PRTG, Grafana, and DNAC
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Overview
- Availability
- 01.07.2025; 20h/week; remote
- Qualification
- IT Specialist in System Integration, CCNP, CCIE, NSE
- Language Skills
- German (native), English (business fluent)
- Relevant Expertise
- Global Network Strategy, Cisco ACI, SD-Access, Fortinet & Cisco NGFW, Network architecture (LAN, WAN, WLAN, VPN, NAC), Cloud & Hybrid Networking, Compliance (ISO27001, BSI, KRITIS), Monitoring (PRTG, SolarWinds), Leadership
Key-Facts
Extract from previous activities
University, Medical Department, Germany
Network Engineer & Consultant
Design and consulting for FlexPod infrastructure and VxLAN architecture in a medical data center
Migration from FabricPath to BGP EVPN in Multi-Pod ACI infrastructure
Development of test cases, conducting PoC and piloting
Documentation and support of implementation in the context of regulatory requirements
Technology Company, Germany
Network & Security Consultant
Architectural consulting for Cisco SD-Access, DNA-Center, and ISE
Development of a NAC and SGT-based access concept (IEEE802.1X)
Piloting of compliance mechanisms with DNAC Assurance
Management of external partners and close collaboration with Security Operations
Furniture and Production Company, Germany
Network & Security Consultant
Consulting and design of an enterprise routing and switching infrastructure
Analysis of existing switching infrastructure & transition to SD-Access
Comparison of classical vs. identity-based segmentation (Macro-/Microsegmentation)
Creation of an integration concept with Palo Alto Firewalls
Concept for Assured Compliance & mapping of network security policies
Insurance Services and Healthcare Company, Germany
Security Engineer & Consultant
Design and migration of a complex firewall infrastructure (Palo Alto, Fortinet, ASA)
Integration into high-availability routing architecture under BAFIN and BSI guidelines
Creation of a Network Security Policy
Management of implementation in change processes & audits
Transport, Logistics & Container Handling Company, Germany
Network & Security Consultant
Development of secure network infrastructure for autonomous container handling
Design of private 4G/5G networks & WIFI for video surveillance & sensors
Development of cryptographic protection measures (VPN, MACSec)
Involvement of internal & external stakeholders including KRITIS documentation