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SQL Engineer at Leidos | JobVerse
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SQL Engineer
Leidos
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SQL Engineer
Gaithersburg, Maryland, United States of America
Full Time
5 days ago
$107,900 - $195,050 USD
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Key skills
ETL
Linux
MySQL
Oracle
Postgres
SQL
TypeScript
Analytics
PostgreSQL
About this role
Role Overview
Develop advanced, high-performance SQL queries across large, complex datasets (multi-table joins, window functions, aggregations)
Optimize query performance using execution plans, indexing strategies, and query refactoring
Ensure data accuracy and integrity across reporting datasets
Troubleshoot and resolve data issues across database and application layers
Shape and structure data for efficient and intuitive dashboard visualization
Collaborate with ETL engineers and dashboard developers to ensure reliable, end-to-end data delivery
Requirements
Bachelor’s degree with 8–12 years of experience, or Master’s with 6–10 years of experience
U.S. Citizenship
Active TS/SCI with the ability to successfully pass a Polygraph
Expert-level SQL skills, including:
Complex joins across large datasets
Query optimization and execution plan analysis
Aggregations, subqueries, and window functions
Strong experience with relational databases (PostgreSQL, MySQL, Oracle, or similar)
Experience working with large-scale data supporting analytics/reporting
Proficiency in Linux environments
Ability to work independently and solve complex data challenges.
Tech Stack
ETL
Linux
MySQL
Oracle
Postgres
SQL
TypeScript
Benefits
Health and Wellness programs
Income Protection
Paid Leave
Retirement
Apply Now
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