Mid-Level SQL Engineer with Security Clearance

Ennoble First Inc.; Gaithersburg (MD); On-site; USD 105,000 - 125,000; Full time

Job summary

Ennoble First Inc. in Gaithersburg seeks a Mid-Level SQL Engineer to develop and optimize SQL queries powering analytics and dashboards across our data platform.

You will shape data for visualization, ensure accuracy, and work with cross-functional teams to deliver reliable datasets for mission-critical reporting. The role requires a BS in CS/SE or related field with 4–8 years of experience (or MS with 2–6 years), TS/SCI clearance with polygraph, and strong SQL and Linux experience, plus

Qualifications

• Bachelor's degree in computer science, software engineering, or a related field.
• 4–8 years of experience; or 2–6 years with a Master's degree.
• Active TS/SCI clearance with ability to pass a polygraph.

Responsibilities

• Write complex SQL queries involving joins, aggregations, subqueries, and window functions to support dashboards.
• Shape query outputs for visualization with clear naming and grouping.
• Collaborate with dashboard developers to deliver data for visualizations and reporting.
• Validate data accuracy, consistency and completeness for dashboards.
• Identify and optimize inefficient queries to improve performance.
• Translate dashboard requirements into effective SQL queries.

Skills

SQL proficiency

Independent worker

Data quality

Linux familiarity

Analytical thinking

Education

Bachelor's degree in computer science, software engineering, or related field

Master's degree with 2-6 years

Tools

PostgreSQL

MySQL

Oracle

Grafana

Tableau

Job description

Mid-Level SQL Engineer Location: Gaithersburg, Maryland; Alexandria, VA; Chantilly, VA; Aurora, CO; St. Louis, MO; Tucson, AZ Clearance: Top Secret/SCI with ability to obtain a Polygraph Schedule: Full Time Travel: No Remote: No Remote Company Overview We are Ennoble First. The people supporting and securing some of the most complex government, defense, and intelligence projects across the country. We ensure today is safe and tomorrow is smarter. Our work has meaning and impact on the world around us, but also on us, and that's important. Ennoble First is your place. You make it your own by embracing autonomy, seizing opportunity, and being trusted to deliver your best every day. We think. We act. We deliver.

Program Overview This position supports a newly awarded five-year effort delivering modern, mission-critical software capabilities to a national security customer. The program leverages Agile development, DevSecOps practices, and cloud-native technologies to build and enhance scalable enterprise solutions supporting critical mission operations. Engineers on this effort will work with cross-functional teams to design, develop, and deploy impactful capabilities while helping shape the architecture and technical direction of a long-term, high-visibility program.

Position Overview We are seeking a Mid-Level SQL Engineer to support a high-visibility, data-driven application that powers analytics and reporting across the organization. This role focuses on developing and optimizing SQL queries, shaping data for dashboards, and ensuring the accuracy and reliability of datasets used by mission stakeholders. The ideal candidate has experience working with enterprise data systems, supporting analytics or reporting efforts, and translating requirements into effective SQL solutions. This individual will work closely with developers and stakeholders to deliver clean, consistent, and performant data that supports mission-critical decision-making.

Primary Responsibilities

• SQL Development: Write complex SQL queries involving joins, aggregations, filtering, subqueries, and window functions to support dashboards
• Data 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 reporting
• Data Validation: Ensure accuracy, consistency, and completeness of datasets used in dashboards
• Query Performance: Identify inefficient queries and make basic improvements to support responsive dashboards
• Requirements Translation: Translate dashboard and reporting requirements into effective SQL queries

Required Qualifications

• Bachelor's degree in computer science, Software Engineering, or related field with 4-8 years of experience; or Master's with 2-6 years
• Active TS/SCI with ability to successfully pass a Polygraph
• Strong 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 pipelines
• Comfortable working in Linux-based environments
• Proven ability to work independently on data-centric tasks and ensure data quality

Desired Qualifications

• Experience with Grafana, Tableau, or similar visualization tools
• Exposure to CI/CD pipelines
• Experience working in Agile environments Pay Range $105,000-$125,000 The Ennoble First 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. E-Verify This employer participates in E-Verify. E-Verify is an Internet-based system that allows businesses to determine the eligibility of their employees to work in the United States. Equal Employment Opportunity Ennoble First is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or veteran status. Ennoble First is committed to providing a diverse and inclusive work environment and is proud to be an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, gender, gender identity or expression, sexual orientation, national origin, genetics, disability, age, or veteran status. Ennoble First participates in E-Verify. The information below will be listed on our website's careers landing page. EEO is the Law | Pay Transparency www.dhs.gov/E-Verify E-Verify is a registered trademark of the U.S. Department of Homeland Security. This business uses E-Verify in its hiring practices to achieve a lawful workforce.