Senior Database Engineer

Leidos is seeking a skilled Database Engineer to support the DHS Insider Threat Program (ITP) under the HEITS Contract. This is a dynamic opportunity to apply your expertise in designing, sustaining, and evolving the database infrastructure that powers one of DHS’s most critical missions—identifying and mitigating insider threats through advanced analytics, monitoring, and data correlation.

Responsibilities

As the Database Engineer, you will :

Maintain and support the ITP database backend infrastructure

Perform routine maintenance : reindexing, backups, transaction log truncation, cluster management

Design and implement database encryption solutions (e.g., Transparent Data Encryption - TDE)

Document and maintain configuration baselines

Develop and execute system recapitalization plans to support capacity growth

Serve as the SME for all database infrastructure

Create and optimize stored procedures, queries, and views

Support data warehouse features and integrations

Optimize database schemas for referential integrity, cascading transactions, indexing, and performance

Basic Qualifications

Bachelor’s degree with 12+ years of relevant experience, or Master’s degree with 10+ years

Expertise in Oracle database management, upgrades, and maintenance

Experience with SQL, PostgreSQL, and other database types

Ability to integrate diverse data types into cloud containers (e.g., AWS S3)

Strong understanding of DBMS and database design principles

Experience with database migrations and data lake / repository connectors

Eligibility to obtain DHS EOD SCI clearance

Preferred Qualifications

Master’s degree in IT Management, Engineering, or related field

10+ years of experience in IT service delivery management

Familiarity with User Activity Monitoring platforms

Experience with Everfox High Speed Guard Platform

Proficiency with Oracle, Microsoft SQL, PostgreSQL, or other DBMS platforms

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 : October 2, 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 $126,100.00 - $227,950.00

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.