Data Analysis Incorporated (DAI) is the controlling entity of the O’Neil family of businesses. DAI and its subsidiaries operate in diverse industries worldwide, including global equity markets, health care, financial services, digital news, and insurance. Our global footprint allows our teams to be responsive to customer needs in a timely and efficient manner. We are dedicated to using technology and innovation to bring change and growth to our businesses. We believe in a dynamic workplace, creating engaging, informative products and services that help our customers succeed. Integrity is an essential characteristic for our firms and our associates; if this describes you, please apply! SummaryThe Principal Database Engineer leads the design, optimization, and strategic development of enterprise-scale database systems across the organization. This role serves as a senior technical expert and strategic advisor, ensuring best-in-class data architecture, high availability, security, and performance to support complex business applications and analytics. The engineer collaborates closely with cross-functional leaders to align database solutions with business goals and technology vision.