A Professional Data Engineer is responsible for making data accessible, reliable, and valuable to others. This role involves designing, building, maintaining, and securing data processing systems that serve business needs and comply with regulatory standards. As a Data Engineer, you will: Evaluate and select data tools, products, and services based on business and compliance requirements Design and implement scalable data processing architectures Ingest, transform, and store data efficiently and securely Prepare data for analytics, machine learning, and decision-making Automate, monitor, and maintain end-to-end data workflows The Professional Data Engineer certification exam measures your proficiency in the following key areas: Designing data processing systems Ingesting and processing data from diverse sources Storing data securely and efficiently Preparing and utilizing data for analysis Maintaining and automating data pipelines and workloads This role is essential for any organization aiming to become data-driven, ensuring that high-quality data is always available to analysts, data scientists, and business decision-makers.