Principal Software Engineering

AT&T•Bothell, WA

1d•Onsite

About The Position

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. What you'll do: Join a strategic initiative to transform our broadband device software development organization. As a Software Engineer, 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. 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.

Requirements

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
Bachelors degree (BS/AA) desired in Computer Science or equivalent

Responsibilities

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

Benefits

A pivotal leadership role in reshaping our broadband software capabilities
Opportunity to build a modern, AI-augmented engineering culture
Direct impact on millions of customers and the company’s market position
Competitive compensation and benefits
Our Principal Software Engineers earn between $174,100.00 - $261,100.00 USD Annual.
Not to mention all the other amazing rewards that working at AT&T offers
Individual starting salary within this range may depend on geography, experience, expertise, and education/training
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