Wi-Fi Architect

L&T Technology Services; Philadelphia (Philadelphia County); On-site; USD 90,000 - 120,000; Full time

Benefits offered by this job

Paid Leave

Health Insurance

Group life Insurance

Disability

401(K)

Job summary

L&T Technology Services is seeking a skilled WiFi test engineer to validate features across customer premise equipment including gateways, routers, and extenders. You will perform exploratory testing, verify SSID management, WPA2/WPA3 security, roaming, mesh behavior, and interference handling, and analyze logs to reproduce complex customer-reported issues.

You’ll collaborate with developers and product teams to share findings and suggest test ideas based on system design.

Qualifications

• Strong understanding of WiFi fundamentals and standards.
• Experience testing broadband gateways, routers and mesh/extenders.
• Hands-on testing with Linux-based embedded systems.
• Familiarity with iPerf, Wireshark, tcpdump and network analyzers.

Responsibilities

• Perform exploratory testing of WiFi features across CPE devices.
• Validate SSID creation, management, security modes and roaming.
• Analyze logs, captures, and traces to triage issues.
• Collaborate with developers, architects, and product teams.
• Log high-quality defects with reproduction steps.

Skills

WiFi fundamentals

Broadband device testing

Linux-based embedded systems

Network analysis concepts

Tools

iPerf

Wireshark

tcpdump

WiFi analyzer tools

Job description

• Perform exploratory testing of Wi Fi features across CPE devices (Gateways, Routers, Extenders).


• Validate Wi Fi functionality including:


• SSID creation and management


• Security modes (WPA2/WPA3, WPS)


• Band steering, client steering, mesh behavior


• Roaming, handoff, and multi AP scenarios


• Interference, channel congestion, and environmental variations


• Identify edge cases, race conditions, and intermittent issues through investigative testing.


• Perform performance and stability validation:


• Throughput, latency, packet loss


• Long duration soak and stress testing


• Collaborate closely with developers, architects, and product teams to:


• Share exploratory findings


• Reproduce complex customer reported issues


• Suggest test ideas based on system design


• Execute limited scripted/regression testing, with primary focus on unscripted exploratory testing.


• Log high quality defects with detailed observations, logs, and reproduction steps.


• Analyze logs, packet captures, and system traces for issue triage.

Required Skills & Experience

• Strong understanding of Wi Fi fundamentals:


• 802.11 a/b/g/n/ac/ax (Wi Fi 4/5/6)


• Hands on testing experience with:


• Broadband gateways, routers, mesh/extenders


• Linux based embedded systems


• Familiarity with testing tools:


• iPerf, Wireshark, tcpdump


• Wi Fi analyzer tools (mobile/desktop)

The expected salary range for this position is between $90K - $120K annually. The actual salary may vary based upon several factors including, but not limited to, relevant skills/experience, time in role, base salary of internal peers, prior performance, business line, and geographic/office location.

• Paid Leave


• Health Insurance


• Group life Insurance


• Disability


• 401(K)