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AT&T

Lead Embedded Firmware Engineer – Residential Gateways, prplOS, Wireless

AT&T

. Lead architectural design of resilient, hardware-agnostic residential gateway firmware .

Posted 9/29/2026full-timeHyderabad • IndiaSeniorWebsite

Core Competencies

Role fit
Core Competencies

Use this summary to align your resume positioning with the role.

Demonstrates extensive expertise in embedded firmware development, particularly in C and C++ within resource-constrained environments, alongside strong capabilities in architectural design and implementation of automated testing frameworks. Proficient in managing containerized microservices and maintaining compliance with industry standards such as TR-181 and USP (TR-369).

Highest-signal resume keywords
Embedded Firmware DevelopmentC and C++ ProgrammingTR-181 and USP (TR-369) ExpertiseContainerized Microservices with DockerLinux Wireless Stack Knowledge

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills
Embedded Linux DevelopmentPython for Automated TestingWi-Fi 6E and Wi-Fi 7 FeaturesLayer 2/3 NetworkingMemory Profiling with Perf and ValgrindSource Code Management with GitUnit Testing Frameworks (CUnit, Unity, PyTest)Hardware Validation TechniquesNetwork Stack Design and TroubleshootingCarrier-Grade SoC Implementations
Soft Skills
Mentoring Engineering TeamsEstablishing Best Practices
Tools & Technologies
DockerPrpl LCMHostapdWpa_supplicantIwOpenWrtPrplOSUbusIMTPKernel Utilities
Industry Keywords
TelecomNetworkingResidential GatewayEmbedded SystemsCarrier-Grade

Tech Stack

Tools & technologies
DockerLinuxMicroservicesPythonUnityC++

About the role

Key responsibilities & impact
  • Lead architectural design of resilient, hardware-agnostic residential gateway firmware
  • Mentor engineering teams and establish embedded development best practices
  • Architect and implement Python-based automated testing and unit testing frameworks
  • Validate system components, APIs, and firmware reliability
  • Profile OS memory and CPU management using perf, Valgrind, and kernel utilities
  • Eliminate memory leaks, resolve race conditions, and minimize CPU bottlenecks
  • Design, configure, and optimize Wi-Fi 6E and Wi-Fi 7 features using hostapd, wpa_supplicant, and iw
  • Architect, develop, and maintain C and C++ firmware across gateway hardware platforms
  • Maintain hardware-agnostic implementations across carrier-grade SoCs using prpl APIs
  • Develop and maintain scalable services using ubus and/or iMTP for internal bus communication
  • Design and troubleshoot Layer 2 and Layer 3 network stacks
  • Implement and maintain TR-181 and USP (TR-369) device management and service models
  • Configure and manage containerized microservices and virtual execution environments using Docker and prpl LCM
  • Manage source code, branching strategies, and firmware release pipelines using Git

Requirements

What you’ll need
  • 10+ years of hands-on embedded firmware development experience in telecom, networking, or residential gateway industries
  • High proficiency in C and modern C++ programming within resource-constrained embedded systems
  • Strong working knowledge of Embedded Linux development within OpenWrt or prplOS ecosystems
  • Production-level expertise with TR-181 data models and USP (TR-369)
  • Experience deploying, isolating, and configuring containerized microservices using Docker and prpl LCM
  • Deep knowledge of the Linux Wireless stack, including hostapd, wpa_supplicant, iw, and Linux wireless drivers
  • Deep understanding of Layer 2/3 networking and routing/bridging concepts
  • Hands-on experience with perf and Valgrind
  • Strong expertise with Git, source code management, and branching strategies
  • Experience with Wi-Fi 6E and Wi-Fi 7 features
  • Proficiency in Python for automated test scripts, hardware validation, or test execution
  • Experience building or maintaining embedded unit testing frameworks such as CUnit, Unity, or PyTest
  • Familiarity with OpenWrt ubus and iMTP message bus architectures
  • Experience developing abstraction layers on Broadcom or MaxLinear residential gateway SoCs

Benefits

Comp & perks
  • Equal employment opportunity
  • Reasonable accommodations for qualified individuals with disabilities
  • Fair chance hiring; background check initiated after an offer is made