Database Engineer Ashburn, VA,

*
* The Opportunity:

** CACI is currently looking for a
** Senior Database Engineer
** with Agile methodology experience to join our BEAGLE (Border Enforcement Applications for Government Leading-Edge Information Technology) Agile Solution Factory (ASF) Team supporting the Customs and Border Protection (CBP) client located in Northern Virginia!

Join this passionate team of industry-leading individuals supporting the best practices in Agile Software Development for the Department of Homeland Security (DHS). As a member of the BEAGLE ASF Team, you will support the men and women charged with safeguarding the American people and enhancing the Nation’s safety, security, and prosperity. CBP agents and officers are on the front lines, every day, protecting our national security by combining customs, immigration, border security, and agricultural protection into one coordinated and supportive  this role, you will be the core data authority on an Agile Scrum team.

You will spend your time designing, modeling, securing, and maintaining both modern document-based No

SQL database environments (primarily
** MongoDB**) and relational database management systems (RDBMS like
** PostgreSQL**). The ideal candidate is a blend of a highly skilled database administrator and a forward-thinking data architect who understands when to leverage No

SQL and when to utilize relational models to optimize mission-critical application performance.
** Responsibilities:**
* ** Database Architecture & Schema Design:
** Design and document logical and physical data models. Guide software development teams on database schema design, indexing strategies, and data relationships for both No

SQL (document design patterns, referencing vs. embedding) and relational (normalization, foreign keys, indexing) systems.
* ** MongoDB Administration & Engineering:
** Administer, configure, upgrade, and maintain MongoDB environments. Design and manage high-availability infrastructure, including MongoDB replica sets, sharded clusters, and distributed systems.
* ** Relational Database Support:
** Administer, model, and maintain relational databases (such as PostgreSQL or Oracle) that interface with modern legacy and modernized systems.
* ** Performance Tuning:
** Perform continuous database tuning and query optimization. Analyze execution plans, evaluate indexes, and optimize MongoDB aggregation pipelines and SQL queries to eliminate bottlenecks.
* ** Data Security & Compliance:
** Implement and maintain database security controls, including authentication, role-based access control (RBAC), auditing, encryption-at-rest, and encryption-in-transit, ensuring alignment with CBP and DHS security regulations.
* ** Backup & Disaster Recovery:
** Develop, test, and implement robust backup, recovery, and disaster recovery strategies for distributed No

SQL and relational databases.
* ** Automation & Dev Sec Ops :
** Automate database deployment, configuration management, patching, and routine maintenance tasks using scripting languages (Python, Bash) and Infrastructure-as-Code (IaC) tools.
* ** Collaborative Agile Delivery:
** Actively participate in Agile scrum ceremonies, collaborating closely with developers, cloud engineers, and government stakeholders to support rapid, short-sprint software releases.
*
* Qualifications:

**
* ** Citizenship & Clearance:
** Must be a U.S. Citizen with the ability to pass a CBP background investigation. Criteria include, but are not limited to:  + 3-year check for felony convictions  + 1-year check for illegal drug use  + 1-year check for misconduct such as theft or fraud
* *
* Education:

** College degree (B.S.) in Computer Science, Software Engineering, Information Technology, or a related technical field (equivalent experience accepted in…