CTG IT Solutions - Senior Network Engineer at CTG IT Solutions

Description du poste :

Dernières informations de recrutement de CTG IT Solutions pour le poste de CTG IT Solutions - Senior Network Engineer. If the CTG IT Solutions - Senior Network Engineer offre à Luxembourg correspond à votre profil, soumettez votre candidature directement via le portail Jobkos mis à jour.

Notez que décrocher un emploi demande de répondre à des critères spécifiques fixés par l'employeur. Nous espérons que cette opportunité chez CTG IT Solutions pour le poste de CTG IT Solutions - Senior Network Engineer ci-dessous correspond à vos attentes.

The Network Engineer is responsible for the operation, maintenance, optimisation, and evolution of the client corporate network infrastructures, covering LAN, WAN, Cybernet (WI‑FI), DMZ/Internet, xDSL, and Remote Access environments. The engineer ensures network performance, security, high availability, scalability, and supports mission-critical services across all client campuses and datacenters.

Your responsabilities

• Corporate LAN operations:
  • Operate EP's LAN across Brussels, Luxembourg, and Strasbourg.
  • Manage hierarchical CORE / Distribution / Access Cisco-based networks.
  • Maintain high availability, redundancy, load balancing, and fast convergence mechanisms.
  • Support VLANs, ACLs, QoS, jumbo frames, Etherchannel, VSS, MSTP, LACP.
  • Manage migrations toward C9500-Xx, C9400, C9300, C9600 series.
• Cybernet Network & WI‑FI:
  • Operate two large-scale WI‑FI infrastructures (Cisco 98xx + Aruba controllers).
  • Monitor and optimise ~6500 Access Points across all campuses.
  • Support advanced RF management (Cisco Rrm / Aruba ARM), multiple Ssids, Wpa2/Wpa3, 802.1X, guest portals, and VXLAN remote AP environments.
  • Ensure performance during major political events (>2000 concurrent users).
• WAN / MPLS Network:
  • Operate MPLS-based interconnection between campuses and datacenters.
  • Support Asr9k routers, BGP, OSPF, IS‑IS, L3VPN, VPLS, Diffserv QoS, and Traffic Engineering.
  • Manage encrypted links over DWDM infrastructures.
• Internet Access & DMZ:
  • Support EP's 20gb/s + 5gb/s Internet access lines.
  • Operate protected multi-zone architectures behind Firewalls and proxies.
  • Work with anti‑DDoS solutions and Infoblox DNS clusters.
• Remote Access:
  • Support EP's secure mobility: VPN, Cisco ASA, IronPort, and identity-based access.
  • Manage connectivity for 4000-5000 simultaneous remote users.
  • Support 39 EP Remote Offices.
• Tools & monitoring:
  • Use Cisco Catalyst Center (former DNA Center), Aruba Airwave, Cisco Prime, CA Dx Netops, Cisco Nexus Dashboard Insights, Ekahau.
  • Operate NetScout Taps, Ngeniusone, Vstream collectors.
  • Support OOB network for console access on strategic devices.
• Operational responsibilities:
  • Security management and urgent iOS updates.
  • Configuration backup/restore, Hardware/software upgrades.
  • Fault, incident, problem, and change management.
  • Performance analysis using advanced monitoring tools.
  • Asset and inventory management.
  • Maintain IPAM data and manage DNS/DHCP via Vitalqip.
  • Coordinate with EP engineering teams and manufacturer TAC.
  • Manage Cisco SSM licensing platform.

Key competencies

• Cisco Enterprise Networks (C9k family, ASR, ACI basics).
• Wireless Technologies: Cisco 38xx/37xx, Aruba 5xx/6xx.
• MPLS technologies, VPNs, encryption, DWDM links.
• Network security, Firewalls, authentication (802.1X, TACACS+, RADIUS).
• Monitoring and analysis using Catalyst Center, Airwave, Dx Netops, Ekahau.
• Fluent in English (French is an asset)
• Experience:
  • 7+ years in complex enterprise network operations.
  • Strong experience with Cisco switching/routing, WI‑FI, MPLS, BGP, OSPF.
  • Experience with large multi-site environments, high availability, and secure designs.

Détails de l'offre :

• Entreprise: CTG IT Solutions
• Poste: CTG IT Solutions - Senior Network Engineer
• Lieu de travail: Luxembourg
• Pays: LU

Comment postuler :

Après avoir lu et compris les critères et les qualifications requises dans l'annonce CTG IT Solutions - Senior Network Engineer at the office Luxembourg ci-dessus, préparez immédiatement votre dossier (lettre de motivation, CV, copie de diplôme, etc.) et envoyez-le via le lien Page Suivante ci-dessous.

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