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Senior Network Engineer Specialist

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We are looking for a Senior Network Engineer Specialist with solid experience in Cisco ACI to design, implement, and maintain high-performance network infrastructures. You will be responsible for ensuring the reliability, security, and scalability of complex LAN/WAN environments in an international and dynamic setting.

Tasks
  • Design, configure, and maintain advanced data network infrastructures.
  • Develop, test, and install network software and hardware.
  • Diagnose and resolve complex incidents using advanced network analysis tools (analyzers, sniffers, etc.).
  • Draft, review, and update technical documentation and network specifications.
  • Configure and implement network monitoring and management systems.
  • Implement and monitor network security measures.
  • Plan network capacity and estimate utilization.
  • Analyze existing network software and propose modifications or new solutions in line with best practices.
  • Perform log, trace, and network dump analysis.
  • Collaborate with service providers and network equipment vendors.
Requirements

Education

  • Minimum of 4 years of higher education (Master's degree or equivalent)

Professional Experience

  • At least 9 years of relevant professional experience, preferably in:
  • DNS and IP administration
  • LAN protocols (Spanning Tree Protocol and/or VLAN Trunking)
  • TCP/IP, RIP, OSPF, BGP, and/or EIGRP
  • WAN topologies and hardware (MPLS, private lines)
  • Network management tools (IXIA, NetFlow, etc.)

Technical Skills

  • Strong knowledge of LAN/WAN principles, practices, and procedures
  • Proven hands-on experience with Cisco ACI (Application Centric Infrastructure) – essential requirement
  • Advanced expertise in firewalls, VPNs, and load balancers (Cisco, Stonegate, F5, etc.)
  • Troubleshooting expertise in DNS, VLAN, IP routing, LAN, WAN, and site-to-site VPNs
  • Strong knowledge of network security, monitoring, and device management
  • Advanced knowledge of encryption and security protocols (SSL/TLS, IPSEC, etc.)
  • Proficiency in load balancing, firewalls, L2/L3 switches, redundancy, and IP addressing
  • Experience in installation, deployment, backup, and recovery of network device configurations

Certifications (valued)

  • Cisco Certified Network Professional (CCNP) or equivalent
  • IT Service Management / ITIL v3 or ISO/IEC 20000 or equivalent
Benefits
  • Location: Strasbourg, France
  • Work mode: On-site (3–4 days in the office, 1–2 days remote depending on project needs)
  • Daily rate: €560/day
  • Only EU citizens will be considered

If you are an experienced network professional with strong Cisco ACI expertise and are looking for your next challenge in an international environment, we'd love to hear from you.