AT&T · 8 hours ago
Principal Software Engineering
Bothell, WA
Full-time
Onsite
Senior Level, Lead/Staff
$174K/yr - $261K/yr
7+ years expAT&T is seeking a Principal Software Engineer to join their broadband device software development organization. The role involves developing high-quality software for broadband gateways, integrating AI solutions, and ensuring technical excellence in software delivery.
CollaborationCommunications InfrastructureMobileService IndustryTelecommunicationsWireless
Responsibilities
Join a strategic initiative to transform our broadband device software development organization
Contribute to the development of high-quality, innovative software for the next generation of broadband gateways serving 15 million+ customers
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
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
Qualification
Required
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
Knowledge 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
Bachelors degree (BS/AA) desired in Computer Science or equivalent
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.
Company
AT&T
AT&T is a telecommunications company that provides wireless communications, internet and digital television services.
10001+ employees
H1B Sponsorship
AT&T has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (575)
2024 (586)
2023 (282)
2022 (450)
2021 (271)
2020 (162)
Funding
Current Stage
Public CompanyTotal Funding
$5.04BKey Investors
National Telecommunications and Information Administration
2025-09-19Post Ipo Debt· $5B
2024-02-12Grant· $42.3M
2023-01-19Grant· $2.2M
Leadership Team
Jeremy Legg
Chief Technology Officer
Pascal Desroches
Senior Executive Vice President and Chief Financial Officer
Recent News
24-7 Press Release Newswire
2026-01-24
Mobile World Live
2026-01-24
PCMag.com - Technology Product Reviews, News, Prices & Tips
2026-01-23
Company data provided by crunchbase