Wifi Expert H/F

SAGEMCOM; Richardson (TX); On-site; USD 180,000 - 240,000; Full time

Job summary

Sagemcom is seeking a Senior Principal Wi‑Fi Expert to lead architecture and performance for WLAN across next‑gen fixed wireless gateways and CPE products in our US R&D center. You will work hands‑on at the intersection of RF, embedded software, and chipset vendors to ensure world‑class Wi‑Fi from concept to field deployment.

This role requires 10+ years in Wi‑Fi subsystems, deep expertise in 802.11ax/be, and a proven track record driving technical decisions across multi‑disciplinary teams,

Qualifications

• 10+ years of Wi‑Fi sub-systems experience.
• MS or PhD in Electrical & Computer Engineering or Wireless Communications.
• Strong knowledge of 802.11ax (Wi‑Fi 6/6E) and 802.11be (Wi‑Fi 7).
• Experience with RF, embedded software, chipset vendors, certification bodies.

Responsibilities

• Define and drive Wi‑Fi architecture and performance across gateways and CPE platforms.
• Provide technical leadership to firmware and software teams throughout the design cycle.
• Coordinate Wi‑Fi Alliance certification strategy and operator readiness.
• Conduct benchmarking of chipsets, RF solutions, and software stacks.

Skills

Wi-Fi Architecture

Technical Leadership

RF/IEEE 802.11

Performance Tuning

C/C++

Embedded Systems

Linux

Test & Debug

Cross-functional Collaboration

Education

MS or PhD in Electrical & Computer Engineering or Wireless Communications

Tools

Qualcomm IPQ

Broadcom Wi‑Fi

MediaTek Wi‑Fi

hostapd/wpa_supplicant

iwconfig/wlctl

Job description

We are looking for a Senior Principal Wi-Fi Expert to join our US R&D organization and act as the technical authority for WLAN technologies across our next-generation fixed wireless gateways and CPE products.

In this highly visible, strategic role, you will define and drive Wi-Fi architecture and performance across next-generation broadband gateways and CPE platforms. You will work hands-on at the intersection of RF, embedded software, chipset vendors, certification bodies, and Tier 1 operators, ensuring world-class Wi-Fi performance from concept to field deployment.

This position is ideal for a recognized expert who wants to shape cutting-edge Wi-Fi solutions (Wi-Fi 6/6E/7) and influence industry standards while working with leading SoC vendors (Qualcomm, Broadcom, MediaTek).

Reporting to the R&D Director, you will serve as the Wi-Fi technical leader for wireless products developed in our US R&D center.

Your responsibilities will include:

Technical Leadership & Strategy

Own and drive the Wi-Fi technology roadmap aligned with operator requirements and silicon vendor evolution.

Act as technical lead and advisor during product definition with Tier 1 customers.

Track and analyze chipset, modem, and module vendor roadmaps (Broadcom, Qualcomm, MediaTek, etc.).

Evaluate and benchmark Wi-Fi chipsets, RF solutions, and software stacks

Provide technical leadership to firmware and software teams throughout the design cycle.

Guide engineering teams on best practices for performance, scalability, and reliability

Drive evolution of software platforms (RDK-B, prplOS, Linux-based stacks)

Contribute to and promote open-source initiatives and ecosystems

Performance, Debug & Optimization

Define and execute test strategies and test plans to validate functionality, performance, and robustness.

Investigate and solve complex issues together with other Sagemcom teams and chipset manufacturers

Analyze Software, 802.11 protocol, and OTA logs to identify root causes of:

• STA assoc/disassoc, instabilities
• throughput degradation
• Security, Wi-Fi7 MLO interoperability issues

Drive complex issue resolution with:

• internal engineering teams
• chipset and module vendors
• Operators and certification labs

Certification & Operator Readiness

Lead and coordinate Wi-Fi Alliance (WFA) certification strategy and execution. Interface with certification labs and regulatory bodies (FCC)

Define mandatory and optional feature sets to certify.

Pre-test for WFA Wi-Fi certification.

Represent Sagemcom in:

• Wi-Fi Alliance task groups

Support operator interoperability testing (IOT) with major carriers.

Act as technical point of contact during operator acceptance and field trials.

Knowledge Sharing & Enablement

Deliver technical trainings to Sagemcom engineering teams.

Build and maintain a corporate Wi-Fi knowledge base (best practices, lessons learned, debug guides).

You hold a MS or PhD in Electrical & Computer Engineering, or Wireless Communications from a recognized US or international university.

10+ years of industry experience in Wi-Fi sub-systems.

Technical Expertise

In depth knowledge of IEEE 802.11ax (WiFi 6/6E) and 802.11be (WiFi 7) standards.

Strong understanding of:

• MIMO / MU-MIMO, OFDMA, Beamforming
• WPA2/WPA3, 802.1X, DFS, AFC
• MLO, TWT, BSS Coloring, QoS, roaming mechanisms

Familiar with LAN network protocols: EAP, Radius, IPv4/v6, DHCP, ARP, ICMPv4/v6, IGMP, NAT, DNS,

Hands-on experience with wireless SoC platforms (Qualcomm IPQ/ATH, Broadcom, MediaTek).

Programming skills in C/C++ for embedded systems, shell, python.

Proficiency with WiFi-related linux tools: hostapd/wpa_supplicant iwconfig, wlctl, uci, …

Mastery of debugging and performance measurement tools such as Wireshark, tcpdump, iPerf, IxChariot, etc.

Familiarity with WiFi test equipment: Veriwave, Candela, Octoscope, …

Involvement in IEEE 802.11 or Wi-Fi Alliance working groups

Familiarity with WFA certifications and regulatory compliance (FCC).

Soft Skills

Strong analytical and problem-solving mindset.

Ability to explain complex Wi-Fi topics to non-expert stakeholders.

Comfortable operating in a cross-functional and international environment.

Autonomous, proactive, and capable of driving high-impact technical decisions.

Recognized technical authority and mentor.