Florian Krebs - LAN Planner

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Olching, Germany

Experience

Jul 2024 - Present

1 year 1 month

LAN Planner

Global Network AG

Survey the current network infrastructure and document it, including on-site walkthroughs
Independently plan new distribution and main distribution rooms in each district office (components used, rack layout, connections) following BSI IT baseline protection
Plan new copper and fiber cabling according to relevant standards
Develop execution plans and high-level concepts for building the new infrastructure
Regular coordination with project management and client contacts

Oct 2023 - Dec 2023

3 months

Technical Consultant

PDLZ

Support in designing a new data center
Review and revise documents like network diagrams or segmentation concepts
Check documents for compliance with BSI IT baseline protection
Advise on network setup and placement of components (firewall systems, core and distribution switches)
Advise on zone concepts and network security (defense-in-depth approach)
Develop a new VLAN concept including IPv4 addressing
Create a new naming scheme for network components
Prepare an overview of network infrastructure assignments
Regular coordination with project management and client contacts
Manage external service providers

Jan 2023 - Present

2 years 7 months

Technical Project Manager/Network Specialist

Global Network AG

Technical contact for various projects in the public sector
Develop technical solutions to harmonize government networks
Analyze and consolidate collected data
Improve processes in the public sector
Define required milestones for tracking project progress
Plan, conduct and lead meetings, workshops, and kick-offs on technical and non-technical topics
Work closely with project managers, infrastructure consultants, and network leads in each agency
Stakeholder management
Prepare technical documents, manuals, survey forms, recommendations, interim and final reports
Present results at decision-maker level

Jan 2022 - Dec 2022

1 year

Senior Network Security Consultant

top itservices AG

Develop a network segmentation concept following BSI IT baseline protection and ISO27001
Assess and update existing structural and protection needs analyses
Assess and update existing security concepts
Perform risk analysis of network components and define security controls
Document the network infrastructure (L2/L3)
Develop and implement a new SNMPv3 concept
Collaborate with the SOC to expand and improve the ISMS based on ISO27001
Act as contact for the CISO and SOC team on IT security matters
Present developed concepts to management

Jul 2020 - Dec 2021

1 year 6 months

Network and Security Engineer / Project Manager

Solcom

Technical, conceptual and planning support for building a new data center
Develop, create and assign work packages (Jira)
Create schedules considering dependencies and target goals
Manage external service providers
Stakeholder management
Ensure milestone compliance
Develop and implement a new multi-layer firewall zone concept
Operate and support network infrastructure (Layer 2 to 4) (HP 10500, 5900, 5500, Cisco Catalyst 9300, Kemp LoadMaster)
Operate and maintain firewall infrastructure (Checkpoint R80.30, Fortigate 3960, 600, 200, FG Manager, FG Analyzer, Juniper)
Plan and perform changes and new installations (Change Management)
Handle incident tickets (Incident Management)
Troubleshoot and analyze network issues (Problem Management)
Create and update documentation

Mar 2019 - Feb 2020

1 year

3rd Level Network Engineer

Unisys

Operate and support network infrastructure (Layer 2 to 4) on-site (Cisco Catalyst 2960-X, 3650, 3750, 3850, 4500, Nexus 3K, WLC3504/2504, AP1700/1800)
Operate and maintain firewall clusters (Cisco ASA 5510)
Plan and perform changes and new installations (Change Management)
Handle incident tickets (Incident Management)
Troubleshoot and analyze network issues (Problem Management)
Optimize network infrastructure (concept development and implementation)
Create and update documentation
Act as technical contact for 2nd level support
Train 2nd level support
Manage external service providers
Handle release management for network components including risk assessment

Jul 2018 - Dec 2018

6 months

Senior Network Administrator

Medien System Haus (MSH)

Operate and support network infrastructure (Layer 2 and 4) on-site (Cisco Catalyst 2960-X, 3750, 6500, Nexus 5K, 2K)
Operate and maintain firewall/VPN clusters (Cisco ASA 5525-X, 5545-X, Pulse)
Configure and maintain various VPN topologies and firewall rules
Plan and perform changes and new installations (Change Management)
Handle incident tickets (Incident Management)
Troubleshoot and analyze network issues (Problem Management)
Create and update documentation

Sep 2017 - Mar 2018

7 months

Network Architect

Altran

Operate and support network infrastructure (Layer 2 and 4) on-site (Cisco Catalyst 2960, 4500, HP 5400zl, 2910, Sophos SG230, Astaro UTM220, FortiGate300)
Analyze existing research networks
Document L2/L3 infrastructure
Plan new research networks in coordination with departments
Create high- and low-level designs for new network areas
Provide technical support for data center relocation

Jul 2016 - Feb 2017

8 months

Network and Security Support

Schweickert Netzwerktechnik GmbH

Operate and support network infrastructure on-site (Cisco Nexus 2K, 3K, 6K, 7K, 9K, Cisco Catalyst 4500 and 6500, HP 5400zl and 4200vl)
Plan and perform changes and new installations (Change Management)
Optimize network infrastructure
Review, create and modify access control lists
Handle incident tickets (Incident Management)
Perform network analysis (Problem Management)
Support field service
Create and update documentation
Take early and late shifts

Oct 2015 - Feb 2016

5 months

Cisco 2nd Level Support

Pan Dacom Networking AG

Operate and support network infrastructure on-site (Cisco Nexus 2K, 3K, 7K, Cisco Catalyst 4500 and 3750X, HP 5400zl)
Plan and perform changes and new installations (Change Management)
Set up and commission network equipment
Handle incident tickets (Incident Management)
Perform network analysis
Support field service
Create and update documentation

Oct 2013 - Oct 2014

1 year 1 month

Line Manager

Atlantik Systeme GmbH

Achieve line revenue and profit targets based on annual planning
Define and implement necessary marketing measures
Negotiate with vendors and purchasing according to guidelines
Negotiate target agreements and marketing budgets with vendors to maximize rebates and coop payments

Sep 2011 - Nov 2014

3 years 3 months

Network Technician

Atlantik Systeme GmbH

Provide pre- and post-sales support for all product lines (Cisco, HP, Mellanox, Raritan, Digi, Lantronix)
Act as technical contact for automotive and energy sector projects involving mobile network connectivity
Serve as technical advisor to the sales team
Configure routers, switches, firewall systems, KVM solutions
Configure VLANs, trunking, DHCP, NAT, STP, EtherChannel, ACLs, WLAN, static and dynamic routing

May 2008 - Sep 2010

2 years 5 months

Technical Consultant

Arrow ECS

Phone and email support for L2/L3 network components, IPSec and SSL-VPN firewalls, UTM and STM security appliances, and WLAN solutions
Diagnose, troubleshoot and optimize customer networks
Maintain the Known Error Database (KEDB)
Develop complex network topologies

Jun 2003 - Sep 2003

4 months

IT Systems Sales Specialist

bzm edv-systeme gmbh

Phone support for hardware and software
On-site technical support
Install and maintain computer and network systems (Win98, Win2000, WinXP, Linux)
Customer service
Train customers and apprentices