This is a full-time onsite role based in the location(s) posted and is performed from the designated work location five days per week. No relocation is offered.
We are seeking a highly independent Principal Software Engineer to design, develop, and operate large-scale broadband device management platforms supporting millions of connected devices in public cloud environments.
This role requires end-to-end ownership across architecture, development, deployment, and production operations, with deep expertise in broadband technologies such as TR-069 (CWMP) and TR-369 (USP). The ideal candidate will drive next-generation device management capabilities, collaborate across engineering, product, operations, security, and vendor teams, and translate business objectives into scalable technical solutions.
Strong communication skills, production troubleshooting experience, and the ability to influence technical direction are essential. As AI is a core part of our engineering strategy, candidates are expected to leverage AI throughout the software development lifecycle to improve productivity, software quality, operational efficiency, delivery speed, and customer outcomes.
<h3></h3>
What You'll Do:
<ul>
<li>Design, build, deploy, and support cloud-native platforms that manage millions of connected broadband devices.</li>
<li>Develop scalable applications, APIs, and microservices using modern software engineering practices.</li>
<li>Lead technical design, architecture, and platform evolution for broadband device management solutions leveraging TR-069 (CWMP) and TR-369 (USP).</li>
<li>Build and operate highly available solutions on AWS and Kubernetes.</li>
<li>Improve platform reliability through automation, observability, CI/CD, testing, and DevOps best practices.</li>
<li>Troubleshoot complex production issues and participate in on-call support.</li>
<li>Leverage AI-powered tools to accelerate development, testing, monitoring, operational support, and engineering productivity.</li>
<li>Collaborate with product, architecture, security, operations, and vendor teams to deliver business-critical capabilities.</li>
</ul>
<h3></h3>
What You'll Need:
<ul>
<li>Bachelor's degree in Computer Science, Engineering, or a related field, or equivalent experience.</li>
<li>7+ years of software engineering experience building and operating large-scale distributed systems.</li>
<li>Strong expertise in broadband device management technologies, including TR-069 (CWMP) and TR-369 (USP).</li>
<li>Hands-on development experience with Java and/or Python.</li>
<li>Experience developing cloud-native applications in AWS.</li>
<li>Experience with Kubernetes, containers, microservices, REST APIs, and CI/CD pipelines.</li>
<li>Strong troubleshooting, problem-solving, and communication skills.</li>
<li>Ability to work independently and drive initiatives with minimal supervision.</li>
</ul>
<h3></h3>
What You'll Bring:
<ul>
<li>Experience supporting platforms that manage millions of broadband devices.</li>
<li>Knowledge of Infrastructure as Code (Terraform, CloudFormation, or similar).</li>
<li>Experience with observability tools such as Prometheus, Grafana, OpenTelemetry, or ELK.</li>
<li>Experience applying AI to software development, testing, operations, or intelligent automation.</li>
<li>Proven ability to lead technical initiatives, influence architecture decisions, and mentor engineers.</li>
<li>A passion for engineering excellence, continuous improvement, and delivering reliable customer experiences.</li>
</ul>
Our Principal Software Engineering jobs earn between $174,100.00 - $261,100.00 USD Annual. Not to mention all the other amazing rewards that working at AT&amp;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:
<ul>
<li>Medical/Dental/Vision coverage</li>
<li>401(k) plan</li>
<li>Tuition reimbursement program</li>
<li>Paid Time Off and Holidays (based on date of hire, at least 23 days of vacation each year and 9 company-designated holidays)</li>
<li>Paid Parental Leave</li>
<li>Paid Caregiver Leave</li>
<li>Additional sick leave beyond what state and local law require may be available but is unprotected</li>
<li>Adoption Reimbursement</li>
<li>Disability Benefits (short term and long term)</li>
<li>Life and Accidental Death Insurance</li>
<li>Supplemental benefit programs: critical illness/accident hospital indemnity/group legal</li>
<li>Employee Assistance Programs (EAP)</li>
<li>Extensive employee wellness programs</li>
<li>Employee discounts up to 50% off on eligible AT&amp;T mobility plans and accessories, AT&amp;T internet (and fiber where available) and AT&amp;T phone</li>
</ul>
Weekly Hours:
40
Time Type:
Regular
Location:
Bothell, Washington, USA:TX:Plano / W Plano Pkwy - Adm:3400 W Plano Pkwy
Salary Range:
$174,100.00 - $261,100.00 
AT&amp;T and its subsidiaries are committed to equal employment opportunity. All hiring, promotion, and other employment decisions remain merit-based and free from discrimination on the basis of race, color, religion, religious creed, national origin, ancestry, age, sex, sexual orientation, gender, gender identity, gender expression, physical disability, mental disability, pregnancy, medical condition, genetic information, marital status, citizenship status, military status, veteran status, or any other characteristic protected by federal, state, or local laws. In addition, AT&amp;T will provide reasonable accommodations to qualified individuals with disabilities. AT&amp;T is a fair chance employer and does not initiate a background check until an offer is made. <a href="https://urldefense.com/v3/__https:/www.eeoc.gov/poster__;!!BhdT!gVgkRvpoFXvxCPguQlKOpna1E9V2xmnpQvxcjhTWaBpnwCl09S3N6PYnLgM6kQjmJXAYFLihSQ4W3Sw2boE9zgEA$" rel="nofollow noopener" target="_blank">Click here</a> to learn more or request an application <a href="https://urldefense.com/v3/__https:/www.att.jobs/accommodation/__;!!BhdT!gVgkRvpoFXvxCPguQlKOpna1E9V2xmnpQvxcjhTWaBpnwCl09S3N6PYnLgM6kQjmJXAYFLihSQ4W3Sw2bszyLYN3$" rel="nofollow noopener" target="_blank">accommodation here</a>.

Principal Software Engineer - Broadband Device Management

Principal Software Engineer - Broadband Device Management

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