Seeking an experienced Database Engineer to join our SITE III Directorate Operations (DO) team supporting the U.S. Intelligence Community. The Database Engineer – Mid Level will be responsible for the following, but not limited to:

• Design, develop, build, analyze, evaluate, and install database management systems to include database modeling and design, relational database architecture, metadata and repository creation and configuration management.

• Use data mapping, data mining and data transformational analysis tools to design and develop databases.

• Determines data storage and optimum storage requirements.

• Prepare system requirements, source analysis and process analyses and design throughout the database implementation.

• Evaluate, size, and select technology components, such as software, hardware, and networking capabilities, for database management systems and application databases.

• Write and tune SQL queries for performance and scalability.

• Implement comprehensive backup and database replication solutions.

Required Clearance: Active TS/SCI and active polygraph OR SCI eligibility and ability to obtain a polygraph. US citizenship is required to obtain.

Required Skills, Education, and Experience:

• A Bachelor’s degree in an area applicable to the position with 8+ years of relevant experience OR a Master’s degree in an area applicable to the position with 6 years of relevant experience; an additional 4 years of experience maybe considered in lieu of a degree requirement

• Active TS/SCI or SCI eligibility and active polygraph or ability to obtain a polygraph

• Security+ or other IAT II/III level certification that is currently active (DoD 8570 compliance)

• PostgreSQL

• PL/pgSQL, PL/SQL or SQL

• Database design and implementation (tables, indices, triggers, stored procedures)

• Strong troubleshooting skills (performance analysis/improvements)

• Ability to work in a fast-paced, Agile environment

• Full-time work in a SCIF is required, but hours are flexible

• Some travel

Desired Qualifications:

• Understanding of or experience implementing Row Level Security and/or cross domain systems.

• Jenkins, Git, Artifactory, CI/CD pipelines

• App Dynamics

• Experience with data migrations (Oracle to Postgres) and DB upgrades

• Automated testing (Selenium, Robot Framework)

• AWS experience (RDS)

• STIG hardening

• Scrum master or team lead

If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares.

Original Posting:

February 23, 2026

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 $107,900.00 - $195,050.00

The Leidos pay range for this job level is a general guideline only and 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.