Dipl.-Ing. Abdelkrim Bari

Fokussiert auf Netzwerkautomatisierung, hybride IT-Infrastrukturen und Sicherheitslösungen. Bereit für neue Einsätze – bevorzugt freiberuflich und remote. Freelance Netzwerkingenieur | Remote-Projekte gesucht | 25+ Jahre Erfahrung mit Cisco, Zscaler, IT-Security, Routing und Switching, MPLS, Python. Cisco CCIE#20869. Vorbereitung für Cisco DCACI Prüfung.

Unterstützung eines Netzwerk-Transformationsprojekts inkl. Vor-Ort- und Remote-Support. Erstellung von Asset-Dokumentationen mittels Python-Skripten für 900 Cisco-Geräte. Betrieb und Absicherung der Infrastruktur mit Catalyst- und Nexus-Switches, ASA/Fortinet-Firewalls, Cisco ISE, TACACS sowie Zscaler.

Automatisierung von Konfigurationsauswertungen und Software-Upgrades mittels Python (über 800 Router). Migration von Nexus 7K zu 9K sowie Netzwerkmanagement mit Cisco Prime. Erstellung von Firewall-Reports aus ASA-Konfigurationen in Word-Format.

Tägliche Tätigkeiten im Service Provider Umfeld: Kundenbetreuung, Netzwerkoptimierung, Konfigurations- und Fehleranalyse, Bearbeitung von Delivery Requests sowie Entwicklung von Lösungskonzepten und Angeboten.

Supporting and coaching a junior Support Team. Analysed current network. Added Value to the existing Network by Adding a great Solution that the customer was very happy with.

• Working a SIEM Project. Configuring Cisco devices to generate log messages to control Critical Activities to Splunk. • Designed, Tested and Created necessary Configurations for Cisco routers, Switches and ASA Firewalls • Written Python Script to generate Word Documents (Reports) from ASA Firewall configurations.

• Supporting customers in network analysis, planning, design, development, testing and implementation of Network Infrastructure. • Configuring and Troubleshooting IPSec VPN and MPLS Connections • Providing remote support to Field Engineers and End customers. • Documentation of Network Diagrams using Microsoft Visio.

• Working within Cisco Advanced Services team covering EMEA countries. • Working with Customers to resolve any open issues of their network implementations and deliveries • Working with Regular IOS and IOS-XR in ASR1K, ASR9K high end routers and NX-OS for Nexus 7K • Review / Writing Network Design and Network Implementations

• Working in a Data Centre environment based on Cisco Routers, Switches. • Configuring new deliveries and deleting old ones. • Service Requests, Firmware Upgrades, troubleshooting and analysis of Customer’s network problems in a Data Centre Environment.

• Proactive maintenance and ongoing support for Brocade products such as MLXe, FCX and ICX switches • Configured LAG, ICL, MCT, Multi Chassis Trunking in Data Centre environment. • Worked in network design, implementation and tests support. • Support in testing Proof of Concepts for ICX switches. • Onsite Support Services such as Service Requests, Firmware Upgrades, troubleshooting and analysis of Customer’s network problems in a Data Centre Environment.

• Working at Alcatel-Lucent Professional Services EMEA as an Alcatel-Lucent Data Networks Specialist (Omni Switches products) • Providing support in Network Analysis, Design changes, Creating Service Requests for identified bugs on Customer sites. • Participating in preparing and executing tests in Customer Lab prior to starting the Network Roll Out. • Working as an Interface between end customer and Alcatel-Lucent TAC support. • Working with the 6850, 6855, 9700E, 9800E Omni Switches.

• Working on a Virtualization Migration project; Appliance Computing Migration Factory for a big International Customer. • Creating and implementing changes to complete Delivery Orders. • Configuring rules on Juniper Firewall (Netscreen-ISG 2000) • Reviewing and approving High Level Design documents.

• Worked in T-Systems Entreprises Services, Data Centre Connectivity. • Coordinate migrations between End-Customers, Firewall team whilst configuring the network switch-over. • Migrating over 50 ISDN/X25/Leased lines and over 15 VPN connections for a big financial company. • Optimization of Cisco based IP/MPLS networks. • Implementation of Multicast Routing Protocol. • Preparing Migration steps and performing Cut-overs. • 3rd line Support following ITIL Processes (Incidents, Delivery Orders and Changes)

• Re-design and Implementation of an International Customer network. (German and International Sites combined of LAN/SAN, MPLS and IPSec. Documenting Customer’s Network using Microsoft Visio) • Preparing / generating and loading Full Configurations to migrate IPSec routers (Site-to-Site VPNs) for more than 60 sites. • Executing Changes / Migrations on an existing complex life customer network.

• Provided 2nd Line Support to HP customers all over Europe, Middle East and Africa. • Second Line Support in a complex Infrastructure and heterogeneous LAN / WAN Components. • Worked with Security Team to solve any Firewall Issues. • Provided detailed analysis on cases. Raising Cisco TAC cases in event of bugs and complex problems. • Used Tools such as WFM Clarify, NetMeeting, Meeting Place, Jabber, Outlook and VPN access. • Provided remote support to End Customers.

• Migrating 7000 series, 7700 and 7800 Alcatel Omni Switches in SPECTRUM Network Management Systems • Network Discovery and Documenting the Network for delivery to operation team • Training NOC Operators on delivering IT services specifically WLAN • Supporting the NOC team in troubleshooting the migrated network in case of open tickets

• Trained by Alcatel on 7700 and 7800 Omni Switches in Alcatel Paris • Migrating Alcatel customers network from 3550 Cisco switches to 6648 Alcatel Omni switches

• Supporting a team on troubleshooting their Enterprise Customer Network • Ticketing system using Tivoli • Main task is to provide a deep analysis and give a detailed Solution to problems that could not be solved by first line Helpdesk.

• Upgrading LANs at U.S facilities in different military sites in Germany and Belgium. • Installed, configured and troubleshooted Cisco 2950, 3550 catalyst switches. • Patched CAT5 and fibre cables. • Terminated, polished and tested ST, SC and LC fibre connectors • Installed and configured SNMP cards for UPS (Uninterruptible Power Supply).

• Working in Network Integration and Deployment Department • Tested and commissioned the WaveStar Bandwidth Manager, the WaveStar TDM 10G and the WaveStar Optical Line System DWDM (OLS400G).