Senior PostgreSQL SQL Developer - Data, ETL & Performance

Quest Oracle Community; Ashburn, Northern (VA, KY); Hybrid; USD 108,000 - 195,000; Full time

Job summary

Leidos is seeking an experienced Senior SQL Developer to design, develop, and maintain complex SQL databases and solutions for a mission-critical program supporting CBP and DHS.

The role involves collaborating with data analysts, application developers, and stakeholders to ensure data integrity, performance, and secure operations, including ETL development and production support. U.S. citizenship and CBP background clearance are required.

Qualifications

• BS/BA degree with 8 years of related experience or Master's with 6 years; or 4 years in lieu of degree.
• 5+ years of SQL development in PostgreSQL and Oracle.
• Must be able to obtain CBP Background Investigation prior to start.
• U.S. citizenship is required.
• Experience with AI/ML as part of software lifecycle or for mission support.
• Advanced proficiency in writing complex SQL queries, stored procedures, and performance tuning.
• Experience supporting a highly performant, mission-critical production system.
• Experience with ETL tools and data integration processes.
• Strong understanding of database design, normalization, and indexing.
• Experience with data security and compliance requirements.
• Excellent problem-solving, analytical, and communication skills.

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 to support data integration and migration efforts.
• Collaborate with application developers and business analysts to gather requirements and deliver solutions.
• Ensure data integrity, security, and compliance with DHS and federal standards.
• Troubleshoot and resolve database-related issues.
• Document database processes, structures, and procedures.
• Participate in code reviews and provide technical guidance to junior developers.

Skills

SQL development

Data security

Analytical thinking

Communication

AI/ML experience

Education

Bachelor's degree

Master's degree (optional)

Tools

PostgreSQL

Oracle

Job description

Leidos is seeking an experienced Senior SQL Developer to design, develop, and maintain complex SQL databases and solutions for a mission-critical program supporting CBP and DHS.

The role involves collaborating with data analysts, application developers, and stakeholders to ensure data integrity, performance, and secure operations, including ETL development and production support. U.S. citizenship and CBP background clearance are required.