Principal Data Modeler and Database Engineer-TS/SCI

Job Title: Principal Data Modeler & Database Engineer (TS/SCI)

Location: Richardson, TX or Aurora, CO (On-site at Government Contractor)

Clearance Required: Active and transferable DoD Top Secret with TS/SCI eligibility

Salary: $215,000–$230,000 (based on experience)

Benefits:

This role includes Medical, Dental, and Vision coverage, 6 weeks of paid PTO, Short-Term Disability, a 401(k) with 5% company match, and up to $8,000 in relocation assistance. Full Benefits package can be sent upon request.

About the Company:

This search is being managed by Talent Stack LLC, a woman-owned recruiting firm specializing in cleared and technical placements. We proudly represent a confidential, defense-focused client dedicated to solving mission-critical national security challenges.

About the Role:

We are seeking a Principal Data Modeler & Database Engineer to support classified programs in Richardson, TX or Aurora, CO. Relocation assistance is available.

You will design, build, update, and maintain high-performance data models and databases that directly support national security initiatives. This work provides the opportunity to contribute to impactful, cutting-edge technologies in a secure, mission-driven environment.

Responsibilities:

• Translate customer needs into effective, scalable database designs.

• Develop physical data models and database structures (tables, indexes, constraints, views).

• Analyze business requirements, RFCs, and technical documentation to determine data modeling impacts.

• Work closely with systems engineers, product owners, architects, and other stakeholders to validate data requirements.

• Author and implement data model changes (DDL) via automated database change-control processes.

• Partner with developers on SQL best practices and database interaction patterns.

• Use tools such as Oracle SQL Developer Data Modeler, Oracle Designer, and similar platforms.

• Apply strong critical-thinking, problem-solving, and analytical abilities.

• Participate in Agile/Scrum development workflows.

• Maintain eligibility for SCI access and complete all required polygraphs.

• Obtain Security certification within 60 days of hire.

Qualifications:

Required:

• Bachelor’s degree in a STEM discipline.

• Minimum 8 years of professional experience as a Database Engineer.

• At least 5 years of relational data modeling experience using Oracle and PostgreSQL.

• At least 8 years of Oracle SQL, PL/SQL, and PostgreSQL SQL/plpgsql experience.

• Experience with Bash scripting and Python.

• Experience collaborating with Systems and Software Engineers on backend database designs.

• Strong Linux command-line skills for database administration and deployment automation.

• Active, transferable DoD Top Secret-TS/SCI clearance

• U.S. Citizenship required.

This role requires an active and transferable DoD Top Secret security clearance, with the ability to obtain and maintain TS/SCI access and polygraph. Only U.S. citizens are eligible for security clearance. Candidates without the required clearance cannot be considered for this position.

Recruitment Agencies Disclaimer

This position is open to direct applicants only. External recruiters, staffing agencies, or search firms should not submit candidates. Unsolicited resumes will be treated as direct applications, and agency fees will not be honored.

Job Reference: X4