Principal Software Engineer - Machine Learning

Principal Machine Learning Engineer

Join AT&T and help shape the future of communications and technology that connect the world. We value innovators who seek to explore the unknown and challenge the status quo. Bring your bold ideas and fearless spirit to redefine connectivity and transform how people share stories and experiences. At AT&T, you won't just imagine the futureyou'll build it.

Join AT&T and reimagine the communications and technologies that connect the world. Our Consumer Technology experience team is delivering innovative and reliable technology solutions to power differentiated, simplified customer experiences. Bring your bold ideas and fearless risk-taking to redefine connectivity and transform how the world shares stories and experiences that matter. When you step into a career with AT&T, you won't just imagine the futureyou'll create it.

Key Qualifications, Skills, and Responsibilities

This is a principal-level role requiring technical depth across programming, cloud, big data, machine learning, and distributed systems. Responsibilities include end-to-end ML model lifecycle (development, evaluation, deployment, monitoring), infrastructure management, and collaboration with cross-functional teams, all in the context of telecom and large-scale data solutions.

Key Responsibilities

• Model Development & Training : Selecting algorithms, feature engineering, training, and optimizing models using historical data.
• Model Evaluation & Tuning : Assessing model performance, hyperparameter tuning, and cross-validation for robustness.
• Deployment & Integration : Deploying ML models in production, developing APIs, and integrating with existing systems.
• Monitoring & Maintenance : Continuous monitoring, retraining, addressing model / data drift, error analysis, and improvement.
• Infrastructure & Automation : Setting up cloud / distributed infrastructure, automating processes with scripting and orchestration tools (e.g., Airflow).
• Collaboration & Communication : Working cross-functionally with stakeholders, maintaining documentation, and providing regular updates.
• Agile Environment : Operates within highly agile and collaborative teams.

Required Skills & Qualifications

Summary of skills required : Python, Scala, Java, Telecom domain knowledge, Data-Warehouse / DataBricks knowledge, NoSQL-JSON-Document store (e.g. MongoDB), Data-Mapper (e.g. Nifi), Data Analytics, Spark, Kafka and Azure technology, Machine Learning and Modelling.

Our Principal Software Engineering, earns between $158,200-$237,400 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 :

Ready to join our team? Apply today

Weekly Hours : 40

Time Type : Regular

Location : USA : TX : Dallas / Two AT&T Plaza (211 S Akard St) - Dat : 211 S Akard St

Salary Range : $158,200.00 - $237,400.00

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.