2 days ago
Bengaluru, India or Hyderābād, IndiaStaff+
Responsibilities
- Lead the architectural design and technical direction of resilient, hardware-agnostic residential gateway firmware.
- Mentor engineering teams and establish embedded development best practices.
- Develop and maintain high-performance embedded firmware in C and C++ across gateway hardware platforms.
- Design, configure, and optimize Linux wireless functionality, drivers, Wi-Fi 6E, and Wi-Fi 7 using hostapd, wpa_supplicant, and iw.
- Profile and optimize CPU and memory performance using perf, Valgrind, and kernel utilities, including resolving leaks and race conditions.
- Build Python-based automated testing and unit testing frameworks for system components, APIs, and firmware reliability.
- Develop IPC services using ubus and/or iMTP and manage Layer 2/3 routing, bridging, and packet forwarding.
- Implement device management and service models using TR-181 and USP/TR-369.
- Configure containerized microservices and virtual execution environments using Docker and prpl LCM.
- Manage source code, branching strategies, and firmware release pipelines with Git.
Requirements
- 10+ years of hands-on embedded firmware development experience in telecom, networking, or residential gateway industries.
- High proficiency in C and modern C++ for resource-constrained embedded systems.
- Strong experience with Embedded Linux development in OpenWrt or prplOS ecosystems.
- Production-level expertise with TR-181 data models and USP/TR-369 broadband management standards.
- Experience deploying, isolating, and configuring containerized microservices with Docker and prpl LCM.
- Deep knowledge of the Linux Wireless stack, including hostapd, wpa_supplicant, iw, and wireless drivers.
- Deep understanding of Layer 2/3 networking, routing, and bridging.
- Hands-on experience with Linux profiling and debugging tools, specifically perf and Valgrind.
- Strong expertise with Git and source-code branching strategies.
- Experience with Wi-Fi 6E and Wi-Fi 7 features is preferred.
- Proficiency in Python for automated testing, hardware validation, or test execution is preferred.
- Experience with embedded unit testing frameworks such as CUnit, Unity, or PyTest is preferred.
- Familiarity with OpenWrt ubus, iMTP, and message bus architectures is preferred.
- Experience developing hardware abstraction layers on Broadcom or MaxLinear residential gateway SoCs is preferred.
Benefits
- Regular full-time schedule of 40 hours per week.
- Work location is Bangalore, India, or Hyderabad, India.
- AT&T provides equal employment opportunity and reasonable accommodations for qualified individuals with disabilities.
- AT&T is a fair chance employer and does not initiate a background check until after an offer is made.