Senior PostgreSQL & SQL Database Engineer

Leidos LLC; Ashburn (VA); On-site; USD 108,000 - 195,000; Full time

Job summary

Leidos LLC in Ashburn, VA is seeking an experienced Senior SQL Developer to design, develop, and maintain complex PostgreSQL and Oracle databases, support ETL, and optimize performance for mission-critical systems on a CBP program.

You will collaborate with data analysts, application developers, and business stakeholders to ensure data integrity, security, and compliance with DHS and federal standards while delivering scalable solutions on time.

Qualifications

• BS/BA degree with related experience or Master’s degree with related experience.
• 8+ years of SQL development experience in PostgreSQL and Oracle.
• US citizenship and ability to obtain CBP background clearance.

Responsibilities

• Design, develop, and maintain complex SQL queries, stored procedures, functions, and triggers.
• Optimize and tune SQL queries for performance and scalability.
• Develop and maintain ETL processes for data integration and migration.
• Collaborate with developers and analysts to gather requirements.
• Ensure data integrity, security, and compliance with DHS/federal standards.
• Troubleshoot and resolve database-related issues.
• Document processes and participate in code reviews.
• Provide guidance to junior developers.

Skills

SQL development

PostgreSQL

Oracle

ETL

Data security

Performance tuning

AI/ML experience

Cloud databases

Education

BS/BA degree

Master’s degree

4 years of related experience in lieu of degree

Tools

AWS RDS

Azure SQL

SSRS

Power BI

Tableau

Job description

Leidos LLC in Ashburn, VA is seeking an experienced Senior SQL Developer to design, develop, and maintain complex PostgreSQL and Oracle databases, support ETL, and optimize performance for mission-critical systems on a CBP program.

You will collaborate with data analysts, application developers, and business stakeholders to ensure data integrity, security, and compliance with DHS and federal standards while delivering scalable solutions on time.