Pascal F.
Senior Network Security Consultant
Experience
Nov 2024 - Jan 2025
3 monthsSenior Network Security Consultant
IT-Systemhaus
- Senior Network Engineer.
- Expert level technology consulting for managed network security projects for internal infrastructure and company-wide technical developments.
- Expert level consulting for lifecycle, upgrades and refresh activities.
- Working with Remedy for effort tracking and client billing.
- Using ServiceNow for service management and workflows.
- Using Jira for project management with Agile/Scrum methods.
- Using Confluence as a documentation platform.
- Working with the client’s proprietary software tools.
- Handling hardware provided and secured exclusively by the client for IT security operations.
- Building infrastructure for clients.
- Environment: Cisco ASA, Cisco Firepower, CSM, Cisco AnyConnect, Cisco ISE, Check Point VSX and gateways, firewall rule set creation, handover to service owners and delivery teams.
Aug 2023 - Present
2 years 1 monthSenior Network & Security Engineer
Finanzinstitut
- Managing network and security infrastructures and carrying out client projects.
- Operating and redesigning authentication services for device administration and captive portal for guest WiFi.
- Managing firewalls.
- Running VPN services: Site-to-Site (S2S), Remote Access (SSLVPN & IPSec).
- Managing proxy appliances.
- Operating and partially automating a Cisco homogeneous infrastructure (LAN, WLAN).
- 3rd level support.
- Standardizing network and security components.
- Harmonizing and consolidating the WLAN infrastructure.
- Harmonizing and redesigning Cisco ISE deployments.
- Environment: Cisco ISE, Fortinet FortiGate (40F, 60F, 80F), Cisco WLC (2504, 3504), Cisco Nexus switches 3k, 5k with FEX, Cisco WSA.
Mar 2022 - Jul 2023
1 year 5 monthsNetwork Administrator
IT-Einzelhandel
- Managing and migrating network and firewall infrastructures and running client projects.
- Handling the international Layer 2 and 3 network, Fortinet firewalls and Cisco Meraki switch and WLAN setup.
- Managing Cisco/Cisco Meraki switches and routers as well as Fortinet firewalls.
- Converting LAN and WLAN at headquarters.
- Creating and documenting detailed datacenter network designs, planning and implementation.
- Administering, operating, monitoring and troubleshooting routers, switches, WLAN controllers and other active components.
- Managing DNS, DHCP, IPAM and monitoring.
- Working agile with Confluence and Jira.
- International point of contact for level 2 support and client care.
- Creating technical documentation.
- WaaS / Workplace as a Service across 15 administrative buildings from Cisco Layer 2 & 3 switches to Fortigate firewalls and Meraki switches (planning to commissioning all switches, access points and firewalls).
- New Bedburg warehouse: set up a 3-tier network with 75 Meraki switches, 250 access points and Fortigate firewalls.
- HaaS / Hotspot as a Service: integrating customer WiFi from Telekom into the existing enterprise network.
- Environment: Cisco Meraki switches (MS225, MS250, MS425), Cisco Meraki access points (MR44, MR46e with external antennas), Cisco Catalyst 2960 & 3560, Fortinet FortiGate / NGFWs (30E, 40F, 80F, 200F, 600F).
Feb 2020 - Feb 2022
2 years 1 monthDüsseldorf, Germany
Network Specialist
Messegesellschaft Düsseldorf
- Managing the national Layer 2 & 3 network, Cisco firewalls and Cisco WLAN setup.
- Project lead for renewing the Cisco ISE RADIUS server.
- Planning, procurement, commissioning, testing and acceptance of network systems.
- Datacenter network based on Cisco ACI, firewalling with Cisco ASAs.
- Implementing complex network solutions (Cisco-based).
- Analyzing LAN/Proxy infrastructure and creating improvements and automation.
- Handling incidents, changes, service requests and problem tickets following ITIL.
- Renewing the on-site Cisco ISE RADIUS appliance.
- Environment: Cisco ASA firewalls, Cisco Catalyst and Nexus switches, Pulse Secure VPN gateways, monitoring with MRTG & PRTG, F5 Networks, Aruba (HPE Event-Driven Dashboard).
Jan 2017 - Jan 2020
3 years 1 monthNetwork & Security Engineer
IT-Dienstleister für Systementwicklung
- Specializing in networks.
- Managing the international Layer 2 & 3 network, Check Point firewalls and Cisco LAN & WLAN setup.
- Planning and rolling out a new concept for remote management of network hardware in stores (terminal servers).
- Replacing the core terminal server in Tokyo, Japan.
- Field assignment in Kyiv, Ukraine to expand the local datacenter.
- Evaluating and integrating a new NTP server instance (final project including documentation).
- Agile project management (e.g. running and implementing projects for complex computing systems flexibly with minimal bureaucracy).
- Co-location (e.g. housing servers in an ISP datacenter and connecting them to the network).
- Distributed Filesystem (DFS) (e.g. building and managing cross-network filesystems).
- Edge computing (e.g. setting up network architectures that offload central cloud datacenters).
- License management systems (e.g. organizing the development and introduction of internal license management software).
- Serverless computing (e.g. providing short-lived, cloud-based runtime environments).
- Service portals and apps (e.g. receiving incident reports via portal applications and interfaces).
- Networked production systems (e.g. analyzing requirements for networked production plants; integrating new software into existing systems).
- Environment: Cisco ASR & ISR routers, Cisco Catalyst switches (2960 & 9800).
Summary
- My daily work focuses on administrating, supporting and designing medium-sized corporate networks.
- Analyzing and troubleshooting issues during operations. (Ticket system)
- I also work on documenting network environments using Microsoft Visio.
Languages
German
NativeEnglish
AdvancedPolish
IntermediateEducation
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IT Specialist for System Integration
Certifications & licenses
Fortinet Certified Professional – Network Security
Fortinet
Certification Bundle (NSE4): FortiGate I & II
Cisco ASA Firewall Course (ASAFW)
Engineering Cisco Meraki Solutions Bundle (ECMSBC)
Cisco CCNA - Cisco Certified Network Associate
Cisco
Fortinet Certified Fundamentals Cyber Security
Fortinet
Fortinet Certified Professional – FortiGate Administrator (NSE 4)
Fortinet
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