Pascal Farys

Senior Network Security Consultant

Avatar placeholder
Essen, Germany

Experience

Nov 2024 - Jan 2025
3 months

Senior Network Security Consultant

IT-Systemhaus

  • Provided expert level consulting for lifecycle, upgrades and refresh activities
  • Used Remedy for effort recording and billing to customers
  • Used ServiceNow for service management and workflow
  • Used Jira for project management with agile/Scrum methods
  • Used Confluence for documentation
  • Worked with customer-specific software tools
  • Worked with customer-provided and secured hardware suitable for IT security operations infrastructure setup for customers
  • Built firewall rule sets and handed over to service owner and delivery teams
  • Environment: Cisco ASA, Cisco Firepower, CSM, Cisco AnyConnect, Cisco ISE, Check Point VSX and gateways
Aug 2023 - Present
2 years 5 months

Senior Network & Security Engineer

IT-Finanzdienstleister

  • Operated and re-designed authentication service for device administration and captive portal for guest WiFi
  • Operated firewalls
  • Operated VPN services: site-to-site (S2S), remote access (SSLVPN & IPSec)
  • Operated proxy appliances
  • Operated and partially automated a Cisco homogeneous infrastructure (LAN, WLAN)
  • Provided 3rd level support
  • Standardized network and security components
  • Harmonized and consolidated the WLAN infrastructure
  • Harmonized and re-designed Cisco ISE deployments
  • Environment: Cisco ISE, Fortinet FortiGate (40F, 60F, 80F), Cisco WLC (2504, 3504), Cisco Switches Nexus 3k, 5k including FEX, Cisco WSA (Web Security Appliance)
Mar 2022 - Jul 2023
1 year 5 months

Network Administrator

Textil-Einzelhandelskette

  • Managed international Layer 2 & 3 network, Fortinet firewalls and Cisco Meraki switch and WLAN infrastructure
  • Managed Cisco/Cisco Meraki switches and routers as well as Fortinet firewalls (LAN & WLAN)
  • Planned and implemented data center network concepts and documented detailed designs
  • Administered, operated, monitored and troubleshooted routers, switches, WLAN controllers and other active components
  • Managed DNS, DHCP, IPAM and monitoring
  • Worked agilely with Confluence and Jira
  • Served as international point of contact for level 2 support and customer service
  • Created technical documentation for WaaS (Workplace as a Service) in 15 administrative buildings
  • Migrated from Cisco Layer 2 & 3 switches to FortiGate firewalls and Meraki switches, from planning to commissioning of switches, access points and firewalls
  • Implemented new warehouse in Bedburg with 3-tier network: 75 Meraki switches, 250 access points and FortiGate firewalls
  • Implemented HaaS (Hotspot as a Service) by integrating Telekom customer WLAN into existing enterprise network
  • Environment: Cisco Meraki Switches (MS225, MS250, MS425), Cisco Meraki Access Points (MR44, MR46e with additional antennas), Cisco Catalyst 2960 & 3560, Fortinet FortiGate Firewalls/NGFWs (30E, 40F, 80F, 200F, 600F)
Feb 2020 - Feb 2022
2 years 1 month

Network Specialist

Messegesellschaft Düsseldorf

  • Managed national Layer 2 & 3 network, Cisco firewalls and Cisco WLAN infrastructure
  • Led project to renew Cisco ISE RADIUS servers
  • Planned, procured, commissioned, tested and accepted network systems
  • Implemented data center network based on Cisco ACI and firewalling with Cisco ASAs
  • Implemented complex Cisco-based network solutions
  • Analyzed LAN/proxy infrastructure and created improvements and automation
  • Handled incidents, changes, service requests and problem tickets according to ITIL
  • Renewed local Cisco ISE RADIUS appliances
  • Environment: Cisco ASA firewalls, Cisco Catalyst/Nexus switches, Pulse Secure VPN gateways, monitoring with MRTG & PRTG, F5 Networks, Aruba (HPE, Event-Driven Dashboard)
Jan 2017 - Jan 2020
3 years 1 month

Network & Security Engineer

IT Service Provider for System Development

  • Specialized in network management of international Layer 2 & 3 networks, Check Point firewalls and Cisco LAN & WLAN infrastructure
  • Planned and rolled out a new concept for remote management of network hardware in stores using terminal servers
  • Replaced core terminal server in Tokyo, Japan
  • Performed international assignment in Kiev, Ukraine to expand existing local data center
  • Evaluated and integrated a new NTP server instance (final project including documentation)
  • Managed agile projects for complex computing system deployments with minimal bureaucracy
  • Performed co-location of servers in third-party data centers
  • Implemented distributed file systems (DFS) across networks
  • Implemented edge computing architectures to offload central clouds
  • Organized development and introduction of license management systems
  • Deployed serverless computing environments
  • Developed service portals and apps for incident reporting via applications and interfaces
  • Integrated new software into networked production systems
  • Environment: Cisco ASR & ISR routers, Cisco Catalyst switches (2960 & 9800)

Summary

My area of work, with a focus on my daily tasks, is the administration, support and design of medium-sized corporate networks.

I analyze and troubleshoot problems that arise in day-to-day operations (ticket system).

Additionally, I work on documenting network environments using Microsoft Visio.

Skills

  • Networks: Lan, Wlan, Wan; Routing, Switching, Troubleshooting; Ios, Ios-xe, Nx-os, Vlan

  • Security: Check Point; Cisco Asa / Firepower / Fwsm / Ise; Fortinet / Fortigate; Aruba

  • Automation: Ansible, Github

  • Cloud: Amazon Cloud (Aws), Google Cloud

  • Programming Languages: Shell/bash Scripting, Python

  • Methods / Toolset: Scrum, Itil

  • Operating Systems: Windows 2000, Windows Xp, Windows 7, Windows 8 & 8.1, Windows 10, Windows 11; Linux (Centos, Fedora, Redhat); Cisco Ios, Nx-os; Fortinet Fortigate Os; Pulse Secure Ive Os; Bluecoat Os

  • Programming Languages (Basic Knowledge): Shell/bash Scripting, Python

  • Network: Network Design; Cisco Routers And Switches; Nac; Aruba (Hpe); F5 Networks; Ethernet, Fast Ethernet, Etherchannel; Layer 2 / Layer 3 Switches; Stp, Vlan, Vtp, Ospf, Eigrp, Nat / Nat Overload, Dmvpn, Acls, Fiber Optics, Port Mirroring, Ipv6, Maintenance And Fault Management; Cisco Meraki; Global Protect; Cisco Access Points; Wlc; Cisco Routers (800 Series, 1800 Series); Cisco Switches (E.g., Cisco Catalyst 2960-c Series, 2960 Cx Series, 3560 Cx Series, 3560 Cg Series, 6500 Series, Ws-c2960 Series, Ws-c2950 Series, Ws-c4500 Series, Ws-c3560 Series); Cisco Ip Phones; Cisco Nexus 5000, 7000, 9000 Series; Virtual Routing And Forwarding (Vrf); Virtual Port Channel (Vpc); Hp Proliant; Microserver; Wireshark

  • Server Services: Basic Knowledge Of Dns, Dhcp, Syslog Configuration And Administration

  • Security: Implementation And Administration Of Firewall Systems (Fortinet Fortigate, Cisco Asa, Check Point); Ipsec; Site-to-site Vpns; Nat; Failover; Logging

  • Software / Applications: Microsoft Visio; Solarwinds; Wireshark; Microsoft Office; Ms Project; Asana; Vmware Workstation; Syslog

Languages

German
Native
English
Advanced
Polish
Intermediate

Education

Lorem ipsum dolor sit amet

Apprenticeship as an IT Specialist in System Integration · IT Specialist in System Integration · Germany

Certifications & licenses

Cisco Certified Network Associate

Cisco

Fortinet Certified Fundamentals Cyber Security

Fortinet

Need a freelancer? Find your match in seconds.
Try FRATCH GPT
More actions

Similar Freelancers

Discover other experts with similar qualifications and experience

Rudolf Eggelbusch
Rudolf Eggelbusch

Datacenter Engineer, Network & Security Administrator

View Profile
Mustafa Kederoglu
Mustafa Kederoglu

Senior Network Design and Engineer

View Profile
Khyser Mohd. syed
Khyser Mohd. syed

Life Cycle Infrastructure Network Analyst

View Profile
Eddy Abanum
Eddy Abanum

Network Administrator

View Profile
Christian Decker
Christian Decker

Managing Director and Senior Consultant

View Profile
Tom Heinrich
Tom Heinrich

Infrastructure Design and Implementation

View Profile
Andreas Antoni
Andreas Antoni

Project Manager for Network and Infrastructure Project Migration EU/US/MEX

View Profile
Sami Bejaoui
Sami Bejaoui

Director IT Architecture & Infrastructure Management

View Profile
Karoly Balint
Karoly Balint

Fortinet FortiGate 7.4 Administrator

View Profile
Jin-ho Yun
Jin-ho Yun

Server Migration Consultant

View Profile
Frank Joraschkewitz
Frank Joraschkewitz

Lead Project Manager

View Profile
Alagi Mansaray
Alagi Mansaray

Senior Project Manager S4HANA in the energy sector

View Profile
Stephan Selnerat
Stephan Selnerat

IT-Security Manager

View Profile
Andreas Fischer
Andreas Fischer

Project Manager & Portfolio Owner for Infrastructure (Automotive)

View Profile
Dirk Eichler
Dirk Eichler

Senior IT Engineer

View Profile
David Bleyer
David Bleyer

Acting Partner

View Profile
Szymon Skoblewski
Szymon Skoblewski

IT System Specialist

View Profile
Thomas Hartung
Thomas Hartung

Project Manager & Tender Manager

View Profile
Oumarou Boureima
Oumarou Boureima

Network Administrator WAN & Data Center

View Profile
Peter Kortmann
Peter Kortmann

Hardware and Software Developer / Project Manager

View Profile
Marcus Wiederstein
Marcus Wiederstein

Administrator, DevOps

View Profile
Dirk Behringer
Dirk Behringer

Senior Consultant Database Administration and SQL

View Profile
Valentin Oprea
Valentin Oprea

Network Architect

View Profile
Christian Fritsch
Christian Fritsch

Architecture management

View Profile
Benno Zabel
Benno Zabel

Freelance Data Protection Officer

View Profile
Mahmoud Tadjallimehr
Mahmoud Tadjallimehr

Strategy Consultant, Organizational Developer

View Profile
Andreas Wißkirchen
Andreas Wißkirchen

Freelancer

View Profile
Jens Rehsack
Jens Rehsack

Technical Product Owner

View Profile
Pierre Gronau
Pierre Gronau

Ansible Automation, Windows Third Level Support

View Profile
Stephan Le anh
Stephan Le anh

IT all-rounder

View Profile