**Description** The National Security Sector within Leidos is seeking a PostgreSQL Database Administrator with strong systems, software, cloud, and Agile experience to support the Passenger Systems Program Directorate (PSPD) within Customs and Border Protection (CBP). PSPD supports the Department of Homeland Security (DHS) and CBP critical missions, specifically screening and processing travelers at the ports of entry (POEs) into the United States. In this hands-on position, you will work collaboratively to architect, design, build, deliver, and enhance highly available, scalable, real-time systems. You will exercise your judgment in determining and recommending the best designs based on customer business objectives, timelines and other resource constraints. You will participate in and/or direct major deliverable of projects through all aspects of the software development life cycle including scope and work estimation, architecture and design, coding and unit and integration testing. ****This position REQUIRES the candidate to be in Ashburn, VA, 2 times a week**** Primary Responsibilities: + Performs technical planning, system integration, verification and validation, cost and risk, and support ability and effectiveness analyzes. + Designs and implements database schemas and structures according to project requirements. + Develops and maintains documentation for database environments, including data standards and procedures. + Plans for storage requirements and database growth, and scale infrastructure as needed. + Collaborates with developers to optimize queries, stored procedures, and database design for applications. + Must be a self-starter, strong leader, and the ability to work independently with little supervision. Minimum Qualifications: + BS/BA degree and 10+ years of prior relevant DBA experience or Masters with 8+ years of prior relevant DBA experience; OR 4 years of experience in lieu of degree + 4+ years’ experience tuning Aurora PostgreSQL database performance and PL/pgSQL scripts to optimize performance + 4+ years’ experience as an AWS Aurora PostgreSQL DBA in a 24x7 environment managing multiple databases of over 70TB. + Individual must have at least 4+ years’ experience as an Oracle DBA in a 24x7 environment supporting databases of over 200TB + Proficiency in tuning Oracle Databases and troubleshooting performance issues. + Able to support on-call schedule and incident resolution. + Proficiency with Microsoft Office Products (Word, Excel, Visio, & PowerPoint) + Excellent written and verbal communication skills + U.S. Citizen. + Must be able to maintain and obtain a CBP Background Investigation prior to start Preferred Qualifications: + Migration of Oracle to Aurora PostgreSQL with over 70TB migrating from Oracle to Aurora + Experience using Generative AI to tune SQL statements + Experience with CBP + Java Experience + Experience with other AWS data related services + Experience with any of the following: Struts, Hibernate, Java, JSF, Swing, JavaScript, Bootstrap, Angular. + Experience with CI/CD, SecDevOps, Git source code repository (GitLab, GitHub) At Leidos, we don’t want someone who "fits the mold"—we want someone who melts it down and builds something better. This is a role for the restless, the over-caffeinated, the ones who ask, “what’s next?” before the dust settles on “what’s now.” If you’re already scheming step 20 while everyone else is still debating step 2… good. You’ll fit right in. **Original Posting:** August 29, 2025 For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above. **Pay Range:** Pay Range $104,650.00 - $189,175.00 The Leidos pay range for this job level is a general guideline onlyand not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law. REQNUMBER: R-00165328 All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability or veteran status. Leidos will consider qualified applicants with criminal histories for employment in accordance with relevant Laws. Leidos is an equal opportunity employer/disability/vet.