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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 willleverageyourexpertiseto 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).

• MigratingCPEfrom a proprietarysoftwareplatform to an OpensourcePrplware(OpenWRT) basedsoftware solution.
• Design, Develop and Documentexisting systems to improve reliability and develop new innovative features.
• Software development for new Hardware withcutting-edgefeatures and technology.
• Manage ongoing software architectural updates that include newPrplware,OpenWRTand Linux Kernel versions.
• Development in an Agile environment with up to 5 releases a year.
• Develop automated testing tovalidatenew features.
• Develop applications to run in a Lifecycle Management (LCM) containeron the Broadband CPE.

What You'll Need:

• Knowledge of Linux operatingsystem, process execution, multi-process environments, inter-process communication.Good understanding of networking fundamentals, UDP/TCP basics, packetflow through the Linux packet processing stack.Understanding ofLinuxfirewalland routing concepts.Knowledge of common networking protocols: DHCP, DNS.Familiarity withtcpdumpand network protocol analysis.
• Knowlegeofwificoncepts, AP and station roles,associationand authentication ofwifistations, configuration ofssids.
• Familiarity with thegcctoolchain 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 likelibssl,libcrypto,libcurl.Knowledge ofprplwarelibraries.Familiarity with theOpenWrtbuild system, and its IPC mechanismubus,overlayfs, and its config system UCI.
• 7+ years of experience in embedded software development.
• Track recordof creatinginnovative solutions and new applications throughthe design,development, andcoding forinnovative Consumer and businessapplications.

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

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It 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.