Leidos is seeking a Database Administrator to support mission-critical IT systems for government clients. In this TS/SCI with Polygraph role, you will install, configure, secure, and maintain enterprise databases, ensuring high availability, performance, and data integrity. Responsibilities include backup and recovery, performance tuning, scripting, and automation, as well as troubleshooting complex issues in secure environments. You will collaborate with software, cyber, and systems engineering teams, follow strict compliance standards, and document configurations. Leidos offers growth, impactful work, and a collaborative, mission-driven culture.