Principal Firmware Engineer

Posted Yesterday
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Irving, TX, USA
In-Office
Senior level
Information Technology • Internet of Things • Other • Cybersecurity • Infrastructure as a Service (IaaS)
The Role
Architect and develop embedded firmware for Wi-Fi routers, gateways, and access points using C/C++ and embedded Linux. Lead packet analysis, system triage, debugging, wireless validation, defect reporting, and automated testing with Python and shell scripting. The role requires expertise in networking protocols, Wi-Fi standards, router operating systems, debugging tools, and hardware test environments.
Summary Generated by Built In
When you join Verizon

You want more out of a career. A place to share your ideas freely — even if they’re daring or different. Where the true you can learn, grow, and thrive. At Verizon, we power and empower how people live, work and play by connecting them to what brings them joy. We do what we love — driving innovation, creativity, and impact in the world. Our V Team is a community of people who anticipate, lead, and believe that listening is where learning begins. In crisis and in celebration, we come together — lifting our communities and building trust in how we show up, everywhere & always. Want in? Join the #VTeamLife.

What you'll be doing...

We are seeking a highly experienced Principal Embedded Firmware Engineer to architect, drive, and optimize the firmware lifecycle for our next-generation networking devices. In this senior role, you will tackle our most complex technical challenges across Wi-Fi routers, gateways, and access points. From writing robust C/C++ code to leading deep packet analysis and system triage, you will set the technical standard for the team. If you are a seasoned expert in embedded Linux environments and wireless networking protocols, we want you to help shape our core technology.


Responsibilities include, but are not limited to the following:


  • Firmware Architecture & Development: Architect, develop, and optimize high-performance firmware applications using C and modern C++ (C++11/14) in embedded Linux environments.
  • Advanced Network & Packet Analysis: Lead deep packet inspection and network traffic analysis using Wireshark, tcpdump, and wireless sniffers to resolve the most difficult connectivity dropouts, protocol anomalies, and latency issues.
  • System Triage & Complex Debugging: Drive the diagnosis of critical system issues via shell terminals (SSH, serial). Extract and analyze log bundles, investigate complex kernel/application-layer crashes, and isolate root causes that evade standard debugging.
  • Wireless & Gateway Validation: Oversee the rigorous validation of end-to-end Wi-Fi performance across all bands (2.4GHz / 5GHz / 6GHz). Ensure bulletproof stability for band/AP steering, mesh networking, and core router features (DHCP, NAT, Firewall, QoS, and Parental Controls).
  • Defect Resolution & Reporting: Set the standard for engineering documentation. Produce highly detailed bug reports with reproducible steps, system state observations, log files, and packet captures (.pcap) to accelerate cross-functional resolution.
  • Test Automation & Tooling: Design and maintain robust Python and shell scripting frameworks to automate complex test cases, streamline log collection, and execute large-scale soak testing routines.

What we're looking for...

You'll need to have:

  • Bachelor’s degree or four or more years of work experience.
  • Six or more years of relevant experience required, demonstrated through one or a combination of work and/or military experience, or specialized training.
  • Willingness to travel up to 25% of the time.

Even better if you have one or more of the following:

  • Experience: Hands-on firmware or software development experience in networking and embedded systems, with deep, specialized expertise in Wi-Fi routers, gateways, or access points.
  • Programming: Master-level expertise writing production-quality code in C and C++ (C++11/14).
  • Linux Proficiency: Deep command of Linux/Unix terminal environments, including advanced core commands, standard debugging tools, shell scripting, and system/memory process monitoring.
  • Network Traffic Analysis: Extensive, authoritative experience capturing and analyzing core network protocols (TCP/IP, UDP, DNS, DHCP, ARP, ICMP) using industry-standard tools.
  • Wi-Fi Domain Expertise: Comprehensive understanding of IEEE 802.11 standards (a/b/g/n/ac/ax/be), wireless security protocols (WPA2/WPA3), WPS, and the physical/MAC layer mechanisms behind common RF performance bottlenecks.
  • Experience architecting, configuring, and deploying applications using Docker and containerized embedded development environments.
  • Strong working knowledge of open-source router operating systems (OpenWrt, prplOS, RDK-B) or proprietary vendor-specific router SDKs (e.g., Qualcomm, Broadcom, MediaTek).
  • Hands-on experience designing hardware test environments, including RF sniffers, chambers, and network traffic generators (e.g., Spirent, Ixia, or iPerf).

Where you’ll be working
In this hybrid role, you'll have a defined work location that includes working from home and a minimum of three days per week in the office, which will be set by your manager. Employees are responsible for maintaining compliance with hybrid work policies.

Scheduled Weekly Hours40

Equal Employment Opportunity 

Verizon is an equal opportunity employer. We evaluate qualified applicants without regard to veteran status, disability or other legally protected characteristics.

Benefits and Compensation

Our benefits are designed to help you move forward in your career, and in areas of your life outside of Verizon. From health and wellness benefit options including: medical, dental, vision, short and long term disability, basic life insurance, supplemental life insurance, AD&D insurance, identity theft protection, pet insurance and group home & auto insurance. We also offer a matched 401(k) savings plan, up to 8 company paid holidays per year and up to 6 personal days per year, paid parental leave, adoption assistance and tuition assistance, plus other incentives, we’ve got you covered with our award-winning total rewards package. Depending on the role, employees have the opportunity to receive compensation in the form of premium pay such as overtime, shift differential, holiday pay, allowances, etc. Newly hired employees receive up to 15 days of vacation per year, which grows with additional service. For part-timers, your coverage will vary as you may be eligible for some of these benefits depending on your individual circumstances.

The salary will vary depending on your location and confirmed job-related skills and experience. This is an incentive based position with the potential to earn more. For part-time roles, your compensation will be adjusted to reflect your hours.

Skills Required

  • 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
  • Hands-on firmware or software development experience in networking and embedded systems
  • Expertise with Wi-Fi routers, gateways, or access points
  • Master-level C and C++ development experience, including C++11/14
  • Advanced Linux or Unix terminal, debugging, shell scripting, and process monitoring experience
  • Network traffic analysis experience using protocols including TCP/IP, UDP, DNS, DHCP, ARP, and ICMP
  • Comprehensive knowledge of IEEE 802.11 standards, WPA2/WPA3, WPS, and RF performance
  • Experience with Docker and containerized embedded development environments
  • Knowledge of OpenWrt, prplOS, RDK-B, or proprietary router SDKs
  • Experience designing hardware test environments using RF sniffers, chambers, and traffic generators
  • Willingness to travel up to 25% of the time

Verizon Compensation & Benefits Highlights

The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about Verizon and has not been reviewed or approved by Verizon.

  • Fair & Transparent Compensation — Fairness and competitiveness of pay are highlighted through statements such as “pay is good,” “pays very well,” and “the compensation at VZ is very competitive.” High earning potential is also described for certain roles, including base pay plus commissions and bonuses.
  • Healthcare Strength — Healthcare coverage is portrayed as comprehensive, spanning medical, dental, and vision with before-tax contributions and preventive-care credits. Increased HSA contributions and multiple plan options further reinforce the perceived strength of health benefits.
  • Retirement Support — Retirement offerings are positioned as robust, including a strong 401(k) match, pension eligibility for some groups, and additional financial protections like life and long-term disability coverage. Union contract updates also point to pension increases and retirement security improvements.

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The Company
HQ: New York, NY
Year Founded: 2000

What We Do

Verizon is one of the world’s leading providers of technology and communications services, transforming the way we connect across the globe. We're a diverse network of people driven by our shared ambition to move the world forward - collectively building the network America relies on most. Here, we have the ability to learn and grow at the speed of technology, the space to create within every role, and the opportunity to shape a rewarding career.

Why Work With Us

Integrity. Respect. Excellence. Accountability. These are some of the key values at the heart of our Credo. This code of conduct lays out how we show up as a responsible business every day. It is the blueprint that inspires us to live up to the highest standards and defines who we are and how we work.

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