Verizon

Principal Firmware Engineer

Verizon
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2 days ago
Irving, TX, USAStaff+
H1B sponsor

Responsibilities

  • Architect, develop, and optimize firmware applications using C and modern C++ in embedded Linux environments.
  • Perform advanced packet inspection and network traffic analysis using Wireshark, tcpdump, and wireless sniffers.
  • Diagnose complex system issues through SSH, serial terminals, log analysis, and investigation of kernel and application crashes.
  • Oversee end-to-end Wi-Fi validation across 2.4GHz, 5GHz, and 6GHz bands, including band steering, access-point steering, mesh networking, DHCP, NAT, firewall, QoS, and parental controls.
  • Create detailed defect reports with reproducible steps, system observations, logs, and packet captures.
  • Design and maintain Python and shell scripting frameworks for automated testing, log collection, and large-scale soak testing.
  • Lead technical standards and resolve complex connectivity, protocol, latency, and stability issues.

Requirements

  • Bachelor’s degree or four or more years of work experience.
  • Six or more years of relevant experience through work, military experience, or specialized training.
  • Comprehensive knowledge of IEEE 802.11 standards, WPA2/WPA3, WPS, RF performance, and physical/MAC-layer mechanisms.
  • Hands-on firmware or software development experience in networking and embedded systems, with specialized expertise in Wi-Fi routers, gateways, or access points.
  • Experience with OpenWrt, prplOS, RDK-B, or proprietary router SDKs from Qualcomm, Broadcom, or MediaTek.
  • Master-level C and C++ programming expertise, including C++11/14.
  • Deep Linux/Unix terminal, debugging, shell scripting, and process or memory monitoring experience.
  • Extensive experience analyzing TCP/IP, UDP, DNS, DHCP, ARP, and ICMP traffic.
  • Experience with Docker and containerized embedded development environments is preferred.
  • Experience designing hardware test environments with RF sniffers, chambers, and traffic generators such as Spirent, Ixia, or iPerf is preferred.
  • Willingness to travel up to 25% of the time.

Benefits

  • Hybrid work arrangement with work from home and a minimum of three days per week in the office.
  • Medical, dental, vision, disability, life insurance, AD&D, identity theft protection, pet insurance, and group home and auto insurance options.
  • 401(k) matching, up to eight company-paid holidays, up to six personal days, paid parental leave, adoption assistance, and tuition assistance.
  • Up to 15 days of vacation for newly hired employees, increasing with additional service.
  • Scheduled workweek of 40 hours.

Tech Stack

Categories

Verizon

About Verizon

10,000+ employees

Verizon builds and operates wireless networks, broadband (Fios), and enterprise connectivity, security, and IoT solutions for consumers, businesses, and public-sector customers. Its revenue comes from subscription mobile services, internet and TV access, and managed network and cloud security offerings. Founded in 2000 via the Bell Atlantic–GTE merger, the public company (NYSE: VZ) is headquartered in Basking Ridge, New Jersey, and is one of the largest mobile carriers in the United States.

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