Nicolas Ruiz

Senior Network Engineer | Cisco & Juniper

Salaire / Taux journalier

60500 Chantilly, France

Freelance

Expertises

PythonAnsible

Langues

Français (Maternelle)Anglais (Courant)Espagnol

À propos

Introduction

Network architect with 20+ years expertise in MPLS backbone design and enterprise infrastructure. Led critical projects including Olympic Games 2024 cyber-secure network and multi-site ACI deployments for major financial institutions. Specialized in Cisco/Juniper environments with proven automation skills, delivering HLD/LLD documentation and seamless network migrations for Fortune 500 clients.

Liens

Expérience de travail

Network architect - BUILD team

Orange - OCWS

janv. 2024 - Présent

2 ans 10 mois

– Add a new "Juniper" MPLS backbone (with L2/L3 services) in parallel of the “Cisco" one to be secured against Cyber attack (mainly for the JO 2024) – Technical environment: Cisco ASR, Juniper MX480/10003, ACX7100-32c, EX

Network expert - MAN MPLS team

Société Générale

nov. 2019 - janv. 2024

4 ans 3 mois

– MAN projects: – ASR9K upgrade from 6.1.4 to 6.5.3 - 64 bits – Coding of several scripts to automate the pre-checks, rollout as well as the impact study – ACI projects: – Accountable of the ACI DATA MOBILITY infrastructure - Build of a dedicated backbone and installation of 5 ACI fabrics for server backup and replication. – Accountable of the ACI IBFS infrastructure (2 fabrics ACI multi-site) – ACI Upgrade to version 4.2(7q) – Coding of a script for the ACI fault management and alerting – Technical environment: Cisco ASR/NEXUS/ACI – Firewall Fortinet

Network and security expert - BUILD team

SFR

août 2015 - nov. 2019

4 ans 4 mois

– Network Architecture Engineering – Build new Datacenter – Project PDCT « rebuild of the IPsec network » – IT project - WIFI + DOT1x ISE – Obsolescence projects – Proof of concept labs – Drafting: HLD, LLD, migration and acceptance test plan – Update of repositories: schemas, IP plan – Technical environment: Cisco ISR/ASR/NEXUS – Firewall Cisco ASA-FPR / Checkpoint / Fortinet

Network Architect - Carrefour Business Unit (Worldwide environment - 9 countries)

Orange Business Service

mars 2015 - août 2015

6 mois

– Advice and design of architectures adapted to customer needs – Writing HLD-LLD documents of customer design – Proof of concept labs – Support to pre-sales teams – Technical environment: Cisco ISR/ASR - Juniper - Ipanema - Riverbed

Backbone network engineer « WAN - MPLS » level 3 support

Completel / Numericable

mai 2009 - juin 2014

5 ans 2 mois

– Team of 6-8 people – Projects: – Merge of the Completel network with B3G, Altitude telecom and Numericable networks – Redesign of the core network in collaboration with engineering and Cisco teams – Software and hardware upgrade of the P, PE routers and DSLAM – Network capacity upgrade (40 gigabit Ethernet and 100 gigabits WDM) – Goals: – RUN: backbone and customer tickets resolution – Operate and build of the networks – Direct referral for Ericsson - Cisco - Telindus – Validation of backbone architectures (HLD + LLD) provided by engineering teams – Technical handover to the supervision and N2 customer teams – 3rd line escalation support / On-call duty – Technical environment: Cisco ISR/ASR/CRS – Redback SE100/400/800/1200 Juniper M320, T640, MX – Alcatel OmniSwitch – DSLAM Huawey

Network Engineer « WAN - MPLS » (Worldwide - delivery and run)

BT France

oct. 2006 - mai 2009

2 ans 8 mois

– Team of 6-8 people – Advice and design of architectures adapted to customer needs – Writing HLD-LLD documents of customer design – Proof of concept labs – Support to pre-sales teams – Technical handover to support and supervision teams – Trainer of the India support team – 3rd line escalation support / On-call duty – Technical environment: Full Cisco

Data and VoIP Network Engineer

Vivaction ITN France

avr. 2004 - oct. 2006

2 ans 7 mois

– Team of 3-4 people – Administration, support and supervision of the data and telecom (TDM and VoIP) infrastructure – Drafting of operating procedures – Design / Evolution of the data network (Cisco) – QoS implementation – BGP multi homing – Cisco PIX Firewall redundancy / high availability – Metrology: NetFlow configuration on the backbone equipments – Project manager: Build of the VoIP infrastructure (SIP protocol) – Configuration and management of the International IP and TDM routes (Wholesale business) – 2nd and 3rd line support / On-call duty – Technical environment: Cisco – Cirpack – Rad – Audiocodes


Formation

ESI - SUPINFO

Master of Computer Science, Computer Science

2003 - 2006

3 ans 1 mois

– 23 rue de Château Landon 75010 Paris - FRANCE – www.supinfo.com

SUPINFO

High Level Technical degree, IT systems management

2001 - 2003

2 ans 1 mois

– Specialized in Systems & LAN Administration


Licences et certifications

CCIE Routing & Switching

Délivré le : –

Certifié par Cisco

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