SQL Engineer

About

Are you ready to elevate your SQL and data engineering skills in a role that makes a real difference? If you take pride in your work, thrive on solving significant data challenges, and seek an opportunity that supports a mission with high visibility, this is the perfect job for you. We are looking for a skilled SQL Engineer to enhance our high-impact, data-driven application that drives analytics and reporting across the organization.

In this role, you will craft complex SQL queries, shape data for impactful dashboards, ensure data accuracy, and deliver reliable datasets that our stakeholders rely on daily. Collaborating with dashboard developers and application teams, you will provide clean, consistent, and user-friendly data for our mission users. Our core development team is based in Gaithersburg, MD, and we welcome onsite engineers in Alexandria, VA; Chantilly, VA; Aurora, CO; St. Louis, MO; and Tucson, AZ, offering you various pathways to be part of our mission.

This position is a unique opportunity to be part of a high-performing team reshaping how digital engineering and mission operations intelligence are delivered to our clients.

Why This Role Stands Out

• High Impact: Your contributions will directly influence a widely used application supporting real-time decision-making.
• High Visibility: Collaborate with engineering teams and key stakeholders across various programs.
• Career Growth: Enhance your expertise in large-scale data systems, performance optimization, and advanced SQL engineering.
• Challenging Work: Engage with complex data issues, moving beyond routine queries.

Essential Responsibilities

• SQL Development: Craft intricate SQL queries using joins, aggregations, filtering, subqueries, and window functions to support our dashboards.
• Data Shaping for Visualization: Structure query outputs optimally for dashboard consumption, ensuring clarity in naming, grouping, and formatting.
• Dashboard Support: Partner with dashboard developers to define essential data for visualizations and reporting.
• Data Validation: Guarantee the accuracy, consistency, and completeness of datasets used in dashboards.
• Query Performance: Identify and enhance inefficient queries to support responsive dashboards.
• Requirements Translation: Transform dashboard and reporting needs into effective SQL queries.

Basic Qualifications

• Bachelor's degree in Computer Science, Software Engineering, or a related field with 4-8 years of experience; or a Master's with 2-6 years.
• US Citizenship is required.
• Active TS/SCI clearance with the ability to pass a Polygraph interview.
• Strong SQL skills, proficient in writing advanced queries (joins, aggregations, subqueries, window functions).
• Experience with enterprise-level relational databases (PostgreSQL, MySQL, Oracle, etc.).
• Background in supporting analytics, dashboards, or reporting pipelines.
• Comfort working in Linux-based environments.
• Proven ability to independently tackle data-centric tasks while ensuring data quality.

Preferred Qualifications

• Experience with visualization tools like Grafana, Tableau, or similar.
• Familiarity with CI/CD pipelines.
• Experience working in Agile environments.

About Leidos

At Leidos, we aim to outthink, outbuild, and outpace the competition because the mission demands it. We seek innovators who are unafraid to challenge the status quo and strive for excellence.