Embedded Linux Software Engineer, Principal
Dallas, Texas
This position requires office presence of a minimum of 5 days per week and is only located in the location(s) posted. No relocation is offered.
Join a strategic initiative to transform our broadband device software development organization. As an Embedded Linux Software Engineer, Principal - you will contribute to the development of high-quality, innovative software for the next generation of broadband gateways serving 15 million+ customers. You will leverage your expertise to drive technical excellence, integrate AI solutions, and champion a quality-first approach to software delivery. Your individual contributions will help differentiate our software in a highly competitive market and play a vital role in shaping industry-leading products.
What You'll Do:
Embedded Linux Software development for Broadband Customer Premise Equipment (CPE).
- Migrating CPE from a proprietary software platform to an Opensource Prplware (OpenWRT) based software solution.
- Design, Develop and Document existing systems to improve reliability and develop new innovative features.
- Software development for new Hardware with cutting-edge features and technology.
- Manage ongoing software architectural updates that include new Prplware, OpenWRT and Linux Kernel versions.
- Development in an Agile environment with up to 5 releases a year.
- Develop automated testing to validate new features.
- Develop applications to run in a Lifecycle Management (LCM) container on the Broadband CPE.
What You'll Need:
- Knowledge of Linux operating system, process execution, multi-process environments, inter-process communication. Good understanding of networking fundamentals, UDP/TCP basics, packet flow through the Linux packet processing stack. Understanding of Linux firewall and routing concepts. Knowledge of common networking protocols: DHCP, DNS. Familiarity with tcpdump and network protocol analysis.
- Knowlege of wifi concepts, AP and station roles, association and authentication of wifi stations, configuration of ssids.
- Familiarity with the gcc toolchain and debugging stack traces. Familiarity with syslog and logging concepts.
- Experience in an Agile development environment.
- Extensive experience with C programming. Familiarity with standard C libraries, and other common libraries like libssl, libcrypto, libcurl. Knowledge of prplware libraries. Familiarity with the OpenWrt build system, and its IPC mechanism ubus, overlayfs, and its config system UCI.
- 7+ years of experience in embedded software development.
- Track record of creating innovative solutions and new applications through the design, development, and coding for innovative Consumer and business applications.
Joining our team comes with amazing perks and benefits:
- Medical/Dental/Vision coverage
- 401(k) plan
- Tuition reimbursement program
- Paid Time Off and Holidays (based on date of hire, at least 23 days of vacation each year and 9 company-designated holidays)
- Paid Parental Leave
- Paid Caregiver Leave
- Additional sick leave beyond what state and local law require may be available but is unprotected
- Adoption Reimbursement
- Disability Benefits (short term and long term)
- Life and Accidental Death Insurance
- Supplemental benefit programs: critical illness/accident hospital indemnity/group legal
- Employee Assistance Programs (EAP)
- Extensive employee wellness programs
- Employee discounts up to 50% off on eligible AT&T mobility plans and accessories, AT&T internet (and fiber where available) and AT&T phone
Weekly Hours:
40Time Type:
RegularLocation:
Dallas, Texas, USA:WA:Bothell / 20309 North Creek Pkwy - Adm (bothell 7):20309 N Creek Pkwy @ Bldg LSalary Range:
$174,100.00 - $261,100.00It is the policy of AT&T to provide equal employment opportunity (EEO) to all persons regardless of age, color, national origin, citizenship status, physical or mental disability, race, religion, creed, gender, sex, sexual orientation, gender identity and/or expression, genetic information, marital status, status with regard to public assistance, veteran status, or any other characteristic protected by federal, state or local law. In addition, AT&T will provide reasonable accommodations for qualified individuals with disabilities. AT&T is a fair chance employer and does not initiate a background check until an offer is made.
Job ID R-113891-1 Date posted 07/06/2026
Benefits
Your needs? Met. Your wants? Considered. Take a look at our comprehensive benefits.
- Paid Time Off
- Tuition Assistance
- Medical and dental plans
- Discounts
- Training & Development
Our hiring process
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