Florian (Erich Heinz) Krebs
LAN Planner
Experience
LAN Planner
Global Network AG
- Survey of the current network infrastructure and documentation, including on-site inspection
- Independent planning of new distribution and main distribution rooms in the individual district offices (components used, rack layout, connectivity) considering BSI IT baseline protection and InfoSic requirements
- Planning of new copper and fiber optic cabling, including patch panels
- Coordination with technical building services (TGA) to comply with requirements in the premises
- Development of execution plans and high-level concepts for the rollout of the new infrastructure
- Additional support after go-live of components (hypercare phase)
- Regular communication with the project management and stakeholders on the client side
Technical Consultant
PDLZ
- Support in the design of a new data center
- Review and revision of documents such as network diagrams and segmentation concepts
- Checking documents for compliance with BSI IT baseline protection
- Advice on network setup and placement of components (firewall systems, core and distribution switches)
- Consultation on zone concepts and network security (defense-in-depth and zero trust architecture)
- Development of a new VLAN concept, including IPv4 addressing scheme
- Creation of a new naming scheme for network components
- Preparation of an assignment overview for the network infrastructure
- Regular communication with the project management and stakeholders on the client side
- Management of external service providers
Technical Project Manager/Network Specialist
Global Network AG
- Technical contact for operational consolidation (BKB) of federal authorities (connecting authorities to the federal private cloud solution)
- Analysis and advice on existing user connections in authorities to avoid bandwidth bottlenecks
- Technical contact for the sub-project of IP address harmonization
- Development of technical solutions and target architectures for harmonizing and segmenting authority networks, including for high-security environments
- Troubleshooting of connectivity issues at layers 2–4
- Analysis of individual business applications for service consolidation (DKB)
- Creation of migration concepts
- Further development and optimization of IT processes within the project
- Definition of required milestones to track project progress
- Project planning and task tracking using Jira
- Creation and maintenance of documentation in Confluence
- Planning, organizing, and leading meetings, workshops, and kick-off sessions
- Close collaboration with project managers, infrastructure consultants, and network representatives of the individual authorities
- Stakeholder management
- Preparation of technical documents, manuals, survey forms, and recommendations, as well as creating interim and final reports
- Presentation of results to decision-makers
Senior Network Security Consultant
top itservices AG
- Development of a network segmentation concept in compliance with BSI IT baseline protection and ISO 27001
- Evaluation and adjustment of existing structure and protection requirements analyses
- Evaluation and adjustment of existing security concepts (access control and encryption)
- Risk analysis of network components (access layer) and development of corresponding security measures like NAC (security controls)
- Creation of documentation for the network infrastructure (L2/L3)
- Design and implementation of a new SNMPv3 concept
- Collaboration with the SOC to improve the existing ISMS based on ISO 27001
- Point of contact for the CISO and the SOC team for IT security questions
- Presentation of developed concepts to management
Network and Security Engineer/Project Manager
Solcom
- Technical, conceptual, and planning support for building a new data center
- Drafting, creating, and assigning work packages in Jira
- Creation of schedules considering various dependencies and objectives
- Management of external service providers and stakeholder management
- Ensuring compliance with milestones
- Development and implementation of a multi-tier firewall zone concept
- Operation and support of the network infrastructure (Layer 2–4) using HP 10500, 5900, 5500, Cisco Catalyst 9300, and Kemp LoadMaster
- Operation and maintenance of firewall infrastructure (Checkpoint R80.30, Fortigate 3960, 600, 200, FG Manager, FG Analyzer, Juniper)
- Planning and execution of changes and new installations (change management)
- Handling tickets in case of incidents (incident management)
- Troubleshooting and network analysis in case of failures (problem management)
- Creation and updating of documentation
3rd Level Network Engineer
Unisys
- Operating and supporting the network infrastructure (Layer 2–4) on site at the client with Cisco Catalyst 2960-X, 3650, 3750, 3850, 4500, Nexus 3K, WLC 3504/2504, and AP 1700/1800
- Operating and maintaining the firewall clusters (Cisco ASA 5510)
- Planning and executing changes and new installations (Change Management)
- Handling tickets during incidents (Incident Management)
- Troubleshooting and analyzing network issues (Problem Management)
- Optimizing the network infrastructure through concept development and implementation
- Creating and updating documentation
- Serving as the contact person for 2nd Level Support on all technical matters
- Training the 2nd Level Support team
- Managing external service providers
- Managing network component releases, including risk assessment
Senior Network Administrator
MSH (Medien System Haus)
- Operating and supporting the network infrastructure (Layer 2–4) on site at the client with Cisco Catalyst 2960-X, 3750, 6500, Nexus 5K, and 2K
- Operating and maintaining the firewall/VPN clusters (Cisco ASA 5525-X, 5545-X, Pulse)
- Configuring and maintaining various VPN topologies and the firewall rule set
- Planning and executing changes and new installations (Change Management)
- Handling tickets during incidents (Incident Management)
- Troubleshooting and analyzing network issues (Problem Management)
- Creating and updating documentation
Network Architect
Altran
- Operating and supporting the network infrastructure (Layer 2–4) on site at Airbus with Cisco Catalyst 2960, 4500, HP 5400zl, 2910, Sophos SG230, Astaro UTM220, and FortiGate 300
- Conducting as-is analysis of all research networks
- Creating documentation for L2/L3
- Planning new research networks in coordination with the business units
- Developing high- and low-level designs for new network areas
- Providing technical support during the data center relocation
Network and Security Support
Schweickert Netzwerktechnik GmbH
- Operating and supporting the network infrastructure on site at SAP with Cisco Nexus 2K, 3K, 6K, 7K, 9K, Cisco Catalyst 4500, 6500, HP 5400zl, and 4200vl
- Planning and executing changes and new installations (Change Management)
- Optimizing the network infrastructure
- Reviewing, creating, and modifying access control lists
- Handling tickets during incidents (Incident Management)
- Analyzing network issues (Problem Management)
- Supporting the field service
- Creating and updating documentation
- Taking early and late shifts
Cisco 2nd Level Support
Pan Dacom Networking AG
- Operating and supporting the network infrastructure on site at Audi with Cisco Nexus 2K, 3K, 7K, Cisco Catalyst 4500, 3750X, and HP 5400zl
- Planning and executing changes and new installations (Change Management)
- Setting up and accepting network equipment
- Handling tickets during incidents (Incident Management)
- Performing network analysis
- Supporting the field service
- Creating and updating documentation
Line Manager
Atlantik Systeme GmbH
- Implementation of sales and profit targets for the lines according to the annual plan
- Definition and implementation of necessary marketing measures
- Negotiations with manufacturers and purchasing according to guidelines
- Negotiation of target agreements and marketing budgets with the manufacturer to maximize rebate and coop payments
Network Technician
Atlantik Systeme GmbH
- Pre- and post-sales support for all vendor product lines (Cisco, HP, Mellanox, Raritan, Digi, Lantronix)
- Technical contact for projects in the automotive and energy sectors regarding mobile networking
- Technical contact for the sales team
- Configuration of routers, switches, firewall systems, and KVM solutions
- Configuration of VLANs, trunking, DHCP, NAT, STP, EtherChannel, ACLs, wireless LAN solutions, and static and dynamic routing
Technical Consultant
Arrow ECS
- Phone and email support for L2/L3 network components, IPSec and SSL VPN firewalls, UTM and STM security appliances, and wireless LAN solutions
- Diagnosis, troubleshooting, and optimization of customer networks
- Maintenance of the Known Error Database (KEDB)
- Development of complex network topologies
IT Systems Management Assistant
bzm edv-systeme GmbH
- Phone support for hardware and software
- On-site technical support
- Installation and maintenance of computer and network systems (Win98, Win2000, WinXP, Linux)
- Customer support
- Training of customers and apprentices
Industry Experience
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Experienced in Information Technology, Government and Administration, Automotive, Energy, Aerospace and Defense, and Telecommunication.
Business Area Experience
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Experienced in Information Technology, Customer Service, Project Management, Sales, Operations, and Marketing.
Skills
Switching/ Routing/ Wi-fi/ It Security/ It Operations/ Network Design And Planning/ Network Analysis/ Firewall Systems/ Cloud Infrastructures/ Process, Service, Project Management/ Isms (Bsi It Baseline Protection, Iso27001)/ Risk Analysis/ Risk Management/ Nis2/ Critical Infrastructures
Cisco/ Fortinet/ Checkpoint/ Juniper/ Hp/ Dell/ Kemp/ Arista/ Sophos/ Astaro/ Lantronix/ Netgear/ Digi/ Infoblox/ Bluecat/ Macmon/ Pulse/ Fluke/ Splunk/ Icinga/ Nagios/ Mrtg/ Wireshark/ Nessus/ Ms Visio/ Fnt Command/ Ca Spectrum/ Jira/ Confluence/ Itdirect/ Workcenter
Languages
Education
Augsburg University of Applied Sciences
Business Informatics · Augsburg, Germany
Vocational Secondary School FFB
Advanced technical college entrance qualification · Fürstenfeldbruck, Germany
bzm edv-systeme gmbh
Apprenticeship as IT systems management clerk · IT systems management clerk
Certifications & licenses
ICO ISMS Auditor according to ISO/IEC 27001:2013 AMD 1
ICO
ICO ISMS Security Officer according to ISO/IEC 27001:2013 AMD 1
ICO
BSI IT Baseline Protection Practitioner
BSI
CompTIA Security+
CompTIA
ICO ISMS Auditor according to ISO/IEC 27001:2013
ICO
ICO ISMS ISO27001:2013 Foundation Certification
ICO
ICO ISMS Security Officer according to ISO/IEC 27001:2013
ICO
ISACA CISM – Certified Information Security Manager
ISACA
ITILv3 Foundation Certification
Microsoft Certified: Azure Fundamentals
Microsoft
PRINCE2 Foundation Certification
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Experience
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Qualifications
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