Principal Cybersecurity - Data Integration & Cloud Solutions Developer

AT&T•Greendale, WI

3d•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. Join AT&T and reimagine the communications and technologies that connect the world. Our Chief Security Office ensures that our assets are safeguarded through truthful transparency, enforce accountability and master cybersecurity to stay ahead of threats. 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 future-you’ll create it. We are seeking a Data Integration & Cloud Solutions Developer to design and implement scalable data platforms and integrations. In this role, you will build secure APIs, architect cloud-based solutions, and develop data pipelines that enable advanced analytics and business insights. You will work closely with cross-functional teams to deliver high-quality, end-to-end solutions that support our technology-driven initiatives.

Requirements

Bachelor’s degree in Computer Science, Engineering, or related field (or equivalent experience).
3+ years of experience in back-end or full-stack development.
Strong proficiency in at least one back-end language (e.g., Python, Java).
Hands-on experience designing and developing APIs.
Proven experience with cloud platforms (AWS, Azure, or GCP).
Familiarity with containerization (Docker, Kubernetes) and CI/CD processes.
Experience with data analytics tools (e.g., Pandas, SQL) and machine learning frameworks (e.g., scikit-learn, TensorFlow).
Excellent problem-solving and communication skills.

Nice To Haves

Master’s degree or relevant certifications (e.g., AWS Certified Solutions Architect, Google Professional Cloud Architect).
Experience with managed Kafka services (Confluent Cloud, Amazon MSK, Azure Event Hubs).
Knowledge of security best practices and compliance in cloud environments.
Experience working in Agile/Scrum environments.
ServiceNow Application Development Certifications

Responsibilities

API Development Design, implement, and maintain RESTful and/or GraphQL APIs for seamless integration between internal systems and third-party services.
Ensure API security, scalability, and performance.
Create and maintain clear API documentation.
Cloud Architecture Architect and deploy cloud-based solutions using AWS, Azure, or GCP for scalability and resilience.
Manage cloud resources, monitor performance, and optimize costs.
Implement CI/CD pipelines and automated deployment workflows.
Data Engineering & Analytics Build data pipelines to ingest, transform, and analyze structured and unstructured data.
Collaborate with data scientists to integrate machine learning models into production systems.
Implement change data capture processes for real-time data updates.
Kafka & Event Streaming Develop and maintain Kafka producers and consumers.
Understand Kafka architecture (brokers, topics, partitions, producers, consumers, and ZooKeeper/KRaft).
Work with message serialization formats (Avro, JSON, Protobuf) and schema registry.
Troubleshoot issues such as consumer lag, broker failures, and performance bottlenecks.
Integration with Other Systems Connect Kafka with Spark, Flink, Elasticsearch, relational databases, and other data platforms.
Work with Amazon Redshift, AWS Glue, and Databricks for data warehousing and analytics.
Optimize database performance through stored procedures, dynamic SQL, and tuning.
Collaboration & Communication Partner with product managers, UX/UI designers, and other developers to deliver high-quality solutions.
Participate in code reviews, technical discussions, and agile ceremonies.

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.