Network Engineer – LAN & Wireless Infrastructure (Build)
Location: Les Ulis + customer sites across Paris
Contract: Freelance
Department: LAN Engineering
Role
We’re seeking a skilled Network Engineer to join the LAN & Wireless Engineering team. The role is 100% build-focused, delivering enterprise LAN/WLAN deployments for a leading French telecom and managed services provider. No troubleshooting, ops, or architecture — this is pure implementation and rollout work.
Responsibilities
- Deploy enterprise LAN/WLAN solutions across datacenters and customer sites.
- Configure secure wired access (802.1X, MAB, EAP-TLS, Cisco ISE).
- Roll out and tune wireless infrastructure (WLCs, APs, SSIDs).
- Configure L2/L3 switching (VLANs, STP, QoS, EtherChannel, HSRP/VRRP).
- Deliver site builds, expansions, refreshes, and security upgrades.
- Work from LLDs to standardize builds and maintain templates, scripts, and documentation.
- Collaborate with PMs and architects for consistent delivery.
Environment
- Switching: Cisco Catalyst 9200/9300/9500, Aruba
- Wireless: Cisco Aironet, WLC (5508/9800), Aruba APs
- Access Control: Cisco ISE, RADIUS, AD, EAP-TLS
- Protocols: TCP/IP, OSPF, VLANs, STP, QoS, HSRP/VRRP
- Tools: Wireshark, SolarWinds, Syslog, Cisco DNA Center, NetBox, Visio
- Optional: Python/Ansible scripting and automation
Profile
- 5+ years in enterprise LAN/WLAN engineering
- Expert Cisco switching and wireless skills
- Strong experience with 802.1X, RADIUS, Cisco ISE
- In-depth L2/L3 and TCP/IP knowledge
- Used to change-controlled builds and solid documentation practices
- Telco/operator/integrator background preferred
Certifications
- CCIE-level knowledge expected (Enterprise or R&S)
- Active CCIE certification a plus
Key Skills
Ranked by relevance
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- Posted
- Oct 01, 2025
- Type
- Contract
- Level
- Mid-Senior
- Location
- Paris
- Company
- twentyAI
Industries
Categories
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