Technical Lead

Senior Wi-Fi 7 / WLAN Developer – Embedded Linux, OpenWrt, Qualcomm QSDK
Qualification: Graduate Engineer in any discipline with relevant experience in embedded networking, Wi-Fi, or wireless systems.
Location: Ahmedabad / Bengaluru / Chennai / Hyderabad / Mumbai / Pune / Delhi
Timing: Full-time
Reporting To: Wi-Fi Product Manager
Ray Contact details:

Qualification Skills
Mandatory Skills
1. Must Have Experience
•
Strong hands-on experience in C programming for embedded Linux systems.
•
Strong experience in embedded Linux development for Wi-Fi, WLAN, router, gateway, access point, or networking products.
•
Strong experience with OpenWrt, including build system, UCI, init scripts, package integration, and platform configuration.
•
Strong hands-on experience with Qualcomm QSDK 12.5 and above.
•
Strong experience with QCA proprietary Wi-Fi drivers, including vendor-specific customization, integration, debugging, and feature enablement.
•
Strong experience in Wi-Fi 7 / 802.11be feature development, integration, validation, or debugging.
•
Experience developing, integrating, or debugging Wi-Fi capabilities such as:
o
AP / STA / Repeater
o
Multi-SSID / VAP
o
roaming
o
Wireless Mesh
o
VLAN mapping
o
band steering
o
QoS / WMM
o
enterprise AP features
•
Strong preference for candidates who have worked on enterprise-grade Wireless Access Point products.
•
Experience supporting release-quality validation for:
o
stability
o
throughput
o
roaming
o
interoperability
o
scale
o
field/customer issues
•
Ability to take features end-to-end from requirement understanding through development, validation, deployment, and issue closure.
2. Must Have Knowledge
•
Good understanding of Linux Wi-Fi stack components including:
o
mac80211
o
cfg80211
o
nl80211
o
hostapd
o
wpa_supplicant
•
Strong understanding of Wi-Fi 7 technologies, especially:
o
MLO
o
OFDMA
o
MU-MIMO
o
Preamble Puncturing
o
320 MHz operation
o
4K-QAM
o
BSS Coloring
•
Strong knowledge of 802.11ax / 802.11be, WPA2 / WPA3, and 802.1X / EAP.
•
Strong networking fundamentals across:
o
TCP/IP
o
ARP
o
DHCP
o
DNS
o
bridging
o
routing
o
NAT
o
VLANs
o
firewalling
•
Strong understanding of RF fundamentals, interference analysis, receiver sensitivity, and wireless performance tuning.
•
Ability to translate feature requirements into test scenarios and expected product behavior.
•
Strong ownership and ability to work as an individual contributor with minimal supervision.
3. Must Have Tools / Debugging Exposure
•
Strong debugging skills using:
o
tcpdump
o
Wireshark
o
GDB
o
kernel logs
o
tracing
o
debugfs
•
Ability to independently reproduce issues, identify root causes, and drive closure.
•
Ability to work effectively with QA, field teams, hardware/RF teams, and product teams during debugging and release closure.
•
Ability to build or support reproducible debug workflows, regression support, logging, and instrumentation for release signoff.
Responsibilities
1. Wi-Fi 7 Feature Development
•
Develop embedded software in C on Linux/OpenWrt for next-generation enterprise-grade Wireless Access Point products.
•
Own Wi-Fi 7 / 802.11be feature development from requirement analysis to design, implementation, validation, deployment, and issue closure.
•
Develop, integrate, optimize, and debug Wi-Fi 7 capabilities including:
o
MLO
o
OFDMA
o
MU-MIMO
o
Preamble Puncturing
o
320 MHz operation
o
4K-QAM
o
BSS Coloring
2. QSDK, Driver, and Stack Integration
•
Work extensively on Qualcomm QSDK 12.5 and above.
•
Integrate, customize, and debug QCA proprietary Wi-Fi drivers, firmware interactions, and vendor-specific extensions.
•
Work across Linux Wi-Fi stack components including mac80211, cfg80211, nl80211, hostapd, and wpa_supplicant.
3. Enterprise Wireless and Networking Feature Implementation
•
Implement and optimize Wi-Fi capabilities such as:
o
AP / STA / Repeater
o
Multi-SSID / VAP
o
VLAN-based segmentation
o
band steering
o
load balancing
o
QoS / WMM
o
airtime fairness
o
rate control
o
power management
o
Wireless Mesh
•
Implement and debug networking functions including:
o
bridge
o
VLANs
o
DHCP
o
DNS
o
NAT
o
iptables / nftables
•
Build and support features commonly expected in enterprise-grade Wireless Access Point deployments.
4. Debugging, Performance, and Field Issue Closure
•
Troubleshoot field and customer issues related to:
o
connectivity
o
authentication
o
roaming
o
throughput
o
latency
o
stability
o
interoperability
•
Perform performance optimization across:
o
CPU
o
memory
o
packet processing
o
driver behavior
o
networking stack efficiency
o
wireless performance
•
Analyze RF behavior including interference, receiver sensitivity, and real-world wireless performance issues.
5. Validation and Release Readiness
•
Support release validation and closure for:
o
Wi-Fi 7 feature behavior
o
power cycle
o
upgrade / downgrade / reset
o
capacity
o
throughput
o
802.1X / WPA2 / WPA3 / OWE
o
QoS
o
DFS
o
interference
o
rate vs range
o
receiver sensitivity
o
Wireless Mesh
o
enterprise AP features
o
real-client interoperability
•
Build or support automation, instrumentation, logging, and reproducible debug workflows for regression and release signoff.
•
Participate in code reviews, issue triage, root-cause analysis, and release-readiness activities.
6. Cross-Functional Collaboration
•
Work with hardware and RF teams on board bring-up, chipset integration, validation, certification readiness, and production readiness.
•
Work closely with QA, field teams, and product teams to convert requirements into repeatable pass/fail validation and release gates.
Job Description
We are looking for a strong individual contributor to design, develop, debug, validate, and release Wi-Fi 7 features for enterprise-grade Wireless Access Point products built on Linux/OpenWrt and Qualcomm QSDK 12.5 and above.
This role is intended for engineers with real depth in 802.11be, QCA proprietary drivers, Linux wireless stack behavior, RF and performance analysis, and release-quality validation. Candidates with direct experience in enterprise-grade Wireless Access Point products will be strongly preferred.
About Ray
Ray builds secure networking products across Wi-Fi, switching, SD-WAN, network security, and cloud-managed networking. The company focuses on building robust, scalable, and deployment-ready networking solutions for enterprise and service-provider environments.
Website
www.ray.life