Senior Network Test Engineer – Wireless, Broadband

il y a 2 semaines

Paris, Île-de-France Inabia Software & Consulting Inc. Temps plein
Senior Network Test Engineer – Wireless, Broadband & IP
  • Location: Paris, France (Onsite, Full-Time)
  • Employment Type: Permanent (CDI)
  • Work Authorization: Must have the legal right to work in France (EU/EEA citizen or valid French work authorization)

Position Overview

Inabia is seeking a highly skilled Senior Network Test Engineer to support advanced testing across 5G/LTE, WiFi, and broadband/IP networking environments for a leading telecommunications program based in Paris.

This role blends wireless test engineering with enterprise and broadband networking validation, requiring hands-on experience testing radio networks, IP connectivity, and customer-premises equipment (CPE) in both laboratory and field environments.

Engineers with strong LTE/5G RAN or drive-testing backgrounds who also possess (or are eager to deepen) broadband/IP networking expertise are strongly encouraged to apply.

Key Responsibilities

Wireless (LTE / 5G / WiFi) Testing

  • Perform end-to-end testing for LTE, LTE-A, 5G NSA/SA, and WiFi 5/6/6E networks.
  • Validate attach/registration, carrier aggregation, EN-DC, VoLTE/VoWiFi, VoNR, handovers, fallback, and mobility scenarios.
  • Execute throughput, latency, jitter, and packet-loss testing using standardized benchmarking methods.
  • Analyze RAN KPIs and troubleshoot coverage, mobility, capacity, and interference issues.

Broadband & CPE / Gateway Validation

  • Test residential and enterprise routers, gateways, modems, mesh WiFi systems, and CPE devices.
  • Validate performance, reliability, and stability across fiber, DSL, wireless broadband, and Ethernet backhaul.
  • Execute LAN/WAN configuration workflows, device onboarding, and end-to-end connectivity validation.

IP Networking, Routing & VPN Testing

  • Configure and validate IPv4/IPv6, subnetting, VLANs, DHCP, DNS, NAT, port forwarding, and firewall rules.
  • Test VPN technologies including IPsec, SSL VPNs, WireGuard, and OpenVPN.
  • Troubleshoot Layer 2–Layer 7 connectivity using tools such as Wireshark, tcpdump, traceroute, and iPerf.

Testbed Setup & Environment Ownership

  • Build and maintain test environments combining 5G/LTE devices, broadband routers, switches, servers, VPN endpoints, and test tools.
  • Ensure test repeatability through documentation, configuration management, and version control.
  • Integrate new firmware, OS builds, APNs, SIM profiles, and network parameters into test cycles.

Tools, Log Analysis & Reporting

  • Use tools such as TEMS, X-Cal, Actix, QXDM/QCAT, Wireshark, tcpdump, iPerf, and spectrum analyzers.
  • Perform deep log analysis (RRC, NAS, SIP, RTP/RTCP, system logs) to identify root causes across wireless and IP layers.
  • Produce clear test plans, defect reports, KPI dashboards, and root-cause analyses.
  • Collaborate closely with RAN teams, broadband engineers, device OEMs, and network operators.

Required Qualifications

  • Professional experience in LTE/5G and/or WiFi testing, broadband/CPE validation, or IP networking.
  • Strong understanding of IP networking fundamentals (routing, VLANs, NAT, firewalls, DHCP, DNS).
  • Hands-on experience with network test and diagnostic tools (Wireshark, iPerf, tcpdump, TEMS, X-Cal, Actix, QXDM).
  • Ability to design, configure, and troubleshoot complex testbeds across wireless and IP domains.
  • Strong analytical, troubleshooting, and documentation skills.
  • Fluent or professional working proficiency in English (French a strong plus).

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