Network Administrator

il y a 2 semaines


Luxembourg, Luxembourg BlackRidge Group Temps plein
**Job Information**:
Work Experience
- 5+ years

Salary
- 1

Industry
- IT Services

City
- Luxembourg

Country
- Luxembourg

Province
- Luxembourg (fr)

Postal Code
- L-1116

**Network Administrator**:
**Français**:
En tant qu'Administrateur Réseau, vous serez au cœur de notre équipe, chargé de gérer les activités quotidiennes liées au réseau, ainsi que de superviser les opérations et la maintenance de l'infrastructure réseau. Vous coordonnerez l'installation des équipements réseau, assurerez la surveillance du réseau pour garantir stabilité, disponibilité et performance, et résoudrez les problèmes réseau de manière efficace. Vous apporterez également un support de niveau 3 et effectuerez des résolutions de problèmes approfondies en cas de pannes, tout en collaborant avec les équipes 'DataCenter' et 'Delivery Management'.

**Responsabilités**:

- Gérer les activités quotidiennes liées au réseau.
- Prendre en charge les opérations et la maintenance de l'infrastructure réseau.
- Coordonner et mettre en place les équipements réseau.
- Surveiller en continu le réseau pour garantir sa stabilité, sa disponibilité et sa performance.
- Identifier, diagnostiquer et résoudre les problèmes réseau.
- Fournir un support de niveau 3 et effectuer un dépannage approfondi en cas de pannes.
- Assister les équipes 'DataCenter' et 'Delivery Management'.
- Participer aux réunions de lancement de projets d'autres équipes.
- Maintenir à jour les référentiels et la documentation réseau.
- Faire des recommandations sur les projets en cours et améliorer la gestion de l'infrastructure réseau.

**Compétences Techniques**:

- Connaissances approfondies en IPV4 et TCP/IP.
- Excellente maîtrise des protocoles Ethernet de couche 2 (STP, dot1q, etc.).
- Solide maîtrise des protocoles de routage : OSPF, EIGRP, BGP, statiques.
- Expérience en infrastructures Backbones et connaissance de MPLS : P/PE/CE/Route Reflector ; LDP, VRF, MP-BGP.
- Bonne connaissance de l'infrastructure DataCenter (Cisco Nexus 7000, 9000, Fex) et des fonctions de haute disponibilité (HSRP, Port-Channel, VDC, VPC).
- Bonne maîtrise des environnements LAN & Wireless.
- Connaissance des réseaux WAN : Tunnel GRE, IPSec, QoS.
- Une expérience en SD-WAN serait un avantage.
- Bonne connaissance des services réseau : outil Infoblox (DHCP, DNS), gestion d'accès Cisco ISE.
- Connaissance des outils de gestion réseau : Cisco Prime, Spectrum, métrologie.
- Connaissance des normes 802.1x et notions de sécurité.

**Certifications**:

- Les certifications Cisco CCNA / CCNP (Routing & Switching ; DataCenter ; Wireless, etc.) seront considérées comme un atout majeur.
- Expérience et Qualifications:

- Diplôme Bac +4/+5 en informatique, génie réseau ou domaine connexe.
- Expérience professionnelle d'au moins 8 ans en tant qu'Administrateur Réseau.
- Solides compétences en résolution de problèmes, capacité à travailler de manière autonome et à prendre des initiatives.
- Rejoignez notre équipe en tant qu'Administrateur Réseau et apportez votre expertise dans la gestion, la maintenance et l'amélioration de notre infrastructure réseau. Votre expérience et votre engagement envers l'excellence opérationnelle seront des atouts précieux pour notre organisation.

As a Network Administrator, you will be at the core of our team, responsible for managing daily network-related activities, overseeing network operations and maintenance, coordinating the installation of network equipment, ensuring network monitoring for stability, availability, and performance, and effectively resolving network issues. You will also provide level 3 support and perform in-depth troubleshooting in case of outages, while collaborating with the 'DataCenter' and 'Delivery Management' teams.

**Responsibilities**:

- Manage daily network-related activities.
- Take ownership of network operations and maintenance.
- Coordinate and implement network equipment.
- Continuously monitor the network to ensure stability, availability, and performance.
- Identify, diagnose, and resolve network issues.
- Provide level 3 support and perform in-depth troubleshooting in case of outages.
- Assist the 'DataCenter' and 'Delivery Management' teams.
- Participate in project kickoff meetings with other teams.
- Keep network repositories and documentation up to date.
- Make recommendations on ongoing projects and improve network infrastructure management.

**Technical Skills**:

- In-depth knowledge of IPV4 and TCP/IP.
- Excellent mastery of layer 2 Ethernet protocols (STP, dot1q, etc.).
- Strong command of routing protocols: OSPF, EIGRP, BGP, static.
- Experience in Backbone infrastructures and knowledge of MPLS: P/PE/CE/Route Reflector; LDP, VRF, MP-BGP.
- Good understanding of DataCenter infrastructure (Cisco Nexus 7000, 9000, Fex) and high availability features (HSRP, Port-Channel, VDC, VPC).
- Proficiency in LAN & Wireless environments.
- Knowledge of WAN
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