LANCOM Experts in Germany

Europe-wide re-platforming & centralization

• Independently created the migration concept and implementation plan for the Europe-wide centralization and consolidation of IT services for around 20 European companies as part of a re-platforming program.
• Migration assessment: analysis of the existing IT, infrastructure, application, and service landscapes of the companies as the basis for the migration strategy.
• Development of the centralized target vision and target architecture based on a modern technology stack, taking platform and containerization approaches into account.
• Design of a highly available central infrastructure in an active-active model across two data centers; consideration of cloud, infrastructure, application, CMDB, and IAM services.
• Development of the migration and transformation roadmap, including defining migration waves, dependencies, requirements, and priorities for the move from decentralized services to the central platform.
• Analysis of technical and organizational dependencies, identification of migration risks, and development of a structured approach for step-by-step migration and centralization.
• Creation of target, solution, and implementation views for each service domain; design of the end-to-end join-move-leave process as a blueprint for the European rollout (Jira/Jira Asset Management).
• Alignment of migration strategy and roadmap with European companies, management, IT, providers, and other stakeholders; presentation of the 12-month roadmap to the Managing Director Europe.

• Analysis of requirements and the current situation
• Migration of an old domain structure and Tobit to Exchange 2019 with integration to MS365
• Evaluation of implementation paths and planning for securing sensitive data
• Planning regarding BSI basic protection, the German Federal Data Protection Act (BDSG), and GDPR
• IT governance and IT security backtests
• Support with ERP setup and securing mail transfer
• Hyper-V 2016/2022, Microsoft Terminal Services Cluster, Microsoft Exchange 2019
• Office 365, Microsoft 365, Azure AD, Teams, Salesforce
• Cisco, Zyxel, and HP switches, Sophos firewalls/UTMs, SecurePoint
• Microsoft IIS 2022, IPv4/IPv6, Veeam, Wortmann online backup, NextCloud
• Services: DNS, DHCP, TCP/IP, subnetting, firewalling, routing, VoIP, Group Policy (GPO), SIEM, remote work, home office, high availability, failover, VLAN, PRTG

• Analysis of technical and economic feasibility
• Creation of a detailed project plan including time and resource management
• Requesting and evaluating offers, selecting components, and managing suppliers
• Coordination of all involved trades (e.g. electricians, installation companies)
• Monitoring the construction work and ensuring deadlines, budgets, and quality standards are met
• Acceptance and commissioning of the PV system including documentation
• After project completion: optimizing monitoring and supporting grid connection

• Redesigning cablewise infrastructure with CAT 8.1 keystones, measuring the speed and quality of the new installation with Pockethernet, documentation at a local saddlery
• CAT 8.1 installation and building a data center, site linking, VPN and VLAN configuration for a local car dealership, implementation of IT-Security standards like virus protection (G Data) and firewalling (OPNSense)
• Relocation of a tax office with redesign of the IT infrastructure, virus protection (G Data) and backup solutions (QNAP)
• Planning, conception and implementation of an inhouse data center, BSI-compliant for commercial laundry (including Proxmox-based virtualization of existing infrastructures, QNAP, G Data, OPNSense, APC)
• Implementation and conception of security solutions in the SME sector
• Collaboration on the IT-security concept for the Bremen network of authorities (in the dLAN network)
• Creation of IT-security concept VOIS (modules MESO, KFZ/iKFZ) including audit preparation for KBA
• Expansion of the IT-security concept for the online service for electronic residence registration (eWA) to include use as an eFA (one-for-all) service (nationwide)
• Expansion of the IT-security concept to include modules wos & wvp
• Concept development for the implementation of DIN SPEC 27076 at MSEs and SMEs
• Creation and evaluation of emergency concepts
• Creation and evaluation of response actions and BCM plans
• Assessment of existing business continuity management (ISO 22301)
• Development of BCM strategy options
• Conducting awareness training

• Operational management of a hybrid Palo Alto Networks firewall infrastructure within an IoT environment
• Network zoning using VLANs
• Analysis, optimization, and hardening of the rule set
• Deployment of additional firewalls into the infrastructure
• IP address management
• Security operations of the IoT NDR solution from Nozomi Networks
• Security operations of the honeypot infrastructure from secXtreme
• Vendor management to ensure and implement required network measures
• Communication with clients and vendors in an international environment
• Technologies used: Palo Alto Networks, Panorama, Palo Alto AWS cloud firewall, Nozomi Networks, Honeybox

• 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