Enterprise Database Architect

Company Overview By Light Professional IT Services LLC readies warfighters and federal agencies with technology and systems engineered to connect, protect, and prepare individuals and teams for whatever comes next. Headquartered in McLean, VA, By Light supports defense, civilian, and commercial IT customers worldwide. Position Overview We are seeking an experienced Enterprise Database Architect to provide strategic technical leadership across our enterprise database ecosystem. This role complements our existing platform DBAs—who provide operational support for PostgreSQL, Oracle, Microsoft SQL Server, Sybase ASE, Amazon RDS, and other database technologies—by focusing on enterprise architecture, database performance engineering, capacity planning, and application database optimization. The successful candidate will collaborate with application development, infrastructure, cloud, DevSecOps, and DBA teams to establish scalable database architectures, proactively identify and eliminate performance bottlenecks, and integrate database performance, capacity planning, and engineering best practices into the software development lifecycle. This individual will also champion continuous process improvement by driving standards, governance, and a performance-first culture that enhances reliability, scalability, and long-term operational efficiency across the enterprise. Responsibilities Provide enterprise-wide technical leadership for database architecture, performance engineering, and capacity planning across relational and NoSQL (on-prem and cloud) database platforms, ensuring scalable, resilient, and cost-effective database solutions. Partner with Application Development, Infrastructure, Cloud, DevSecOps, and DBA teams to optimize application/database interactions, establish architectural standards, and integrate database performance and scalability into the software development lifecycle. Lead database architecture reviews, performance assessments, workload analysis, stres