Job Title
SQL Engineer
Location
Gaithersburg, MD/Alexandria, VA/Chantilly, VA
Position Requirements
Active Top Secret Clearance
SUMMARY
We're hiring a SQL Engineer to support a highly visible, data‑driven application that powers analytics and reporting across the organization. In this role, you'll write complex queries, shape data for dashboards, optimize performance at scale, and deliver high‑quality datasets that stakeholders rely on every day. Our primary development team operates out of Gaithersburg, MD, but innovation doesn't stop there. We're able to support onsite engineers in Alexandria, VA; Chantilly, VA; St. Louis, MO; and Tucson, AZ, giving top talent multiple paths to join the mission.
PRIMARY DUTIES AND RESPONSIBILITIES
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
BASIC QUALIFICATIONS:
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
DESIRED QUALIFICATIONS:
Experience with Grafana or similar visualization tools
Python for data manipulation (pandas, scripting, automation)
Experience with materialized views, caching strategies, or query acceleration techniques.
SQL Engineer • Alexandria, VA, USA
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