Mid-Level SQL Engineer

If you’ve been building your skills in SQL, data engineering fundamentals, and mission‑driven development, and you’re ready for work that actually moves the needle, this is the kind of opportunity cleared engineers pursue when they want to grow while making real impact. If you take pride in your craft, enjoy solving meaningful data problems, and want your work to support a mission with visibility at senior levels, you’ll thrive here.We’re hiring a SQL Engineer to support a high‑visibility, data‑driven application that powers analytics and reporting across the organization. In this role, you’ll write complex queries, shape data for dashboards, ensure data accuracy, and deliver reliable datasets that stakeholders depend on every day. You’ll work closely with dashboard developers and application teams to provide clean, consistent, and easy‑to‑consume data for mission users. 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; Aurora, CO; St. Louis, MO; and Tucson, AZ, giving top talent multiple paths to join the mission.And while the requisition requirements may seem standard fare, the position is not; as it will join a high performing team that is changing the way digital engineering and mission operations intelligence is enabled for our customer. Why This Role Stands OutHigh Impact: Your work directly supports a widely used application that drives real-time decision-makingHigh Visibility: Partner with engineering teams and key stakeholders across programsCareer Growth: Expand your expertise in large-scale data systems, performance optimization, and advanced SQL engineeringChallenging Work: Tackle complex data problems, not routine queriesEssential ResponsibilitiesSQL Development: Write complex SQL queries involving joins, aggregations, filtering, subqueries, and window functions to support dashboardsData Shaping for Visualization: Structure query outputs in a way that is optimized for dashboard consumption (clear naming, grouping, formatting)Dashboard Support: Partner with dashboard developers to define and deliver the data required for visualizations and reportingData Validation: Ensure accuracy, consistency, and completeness of datasets used in dashboardsQuery Performance: Identify inefficient queries and make basic improvements to support responsive dashboardsRequirements Translation: Translate dashboard and reporting requirements into effective SQL queriesBasic QualificationsBachelor’s degree in computer science, Software Engineering, or related field with 4–8 years of experience; or Master’s with 2–6 yearsUS CitizenshipActive TS/SCI with ability to successfully pass a PolygraphStrong SQL skills, including the ability to write advanced queries (joins, aggregations, subqueries, window functions)Experience working with enterprise relational databases (PostgreSQL, MySQL, Oracle, etc.)Background supporting analytics, dashboards, or reporting pipelinesComfortable working in Linux‑based environmentsProven ability to work independently on data‑centric tasks and ensure data qualityPreferred Qualifications: Experience with Grafana, Tableau, or similar visualization toolsExposure to CI/CD pipelinesExperience working in Agile environments#NSBA#MARUIf 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:April 16, 2026For 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 $87,100.00 - $157,450.00The 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.SummaryLocation: Gaithersburg, MD; Alexandria, VA; St. Louis, MO; Tucson, AZ; Aurora, COType: Full time