Senior Systems Engineer – TS/SCI with Poly | Data Viz

J&T Business Consulting; New York (NY); On-site; USD 175,000 - 210,000; Full time

Benefits offered by this job

Health, Dental, Vision

Life and Disability Insurance

Paid Time Off

401(k) with Company Match

Tuition Reimbursement

Job summary

J&T Business Consulting seeks a senior Systems Engineer (TS/SCI with Polygraph) to support a mission-critical initiative in Columbia, MD.

You will reverse engineer ~40 legacy databases, design a unified data model, and migrate data to a modern platform, enabling analysis, discovery, and secure data handling.

The role requires strong SQL, database design, and experience with Oracle/PostgreSQL, focusing on data integrity and security during migration.

Qualifications

• Bachelor’s degree in Computer Science, Systems Engineering, or related discipline with 20+ years of relevant experience, OR 25 years without a degree.
• Proven expertise in database design, data modeling, and schema normalization.
• Extensive SQL across Oracle and PostgreSQL.
• Experience reverse engineering complex software systems across front-end and back-end.
• Data analysis, cleansing, normalization, and data security governance.

Responsibilities

• Reverse engineer legacy systems across front-end and back-end architectures to map data structures and workflows.
• Design, architect, and develop unified database models to consolidate ~40 databases.
• Author and optimize SQL queries within Oracle and PostgreSQL environments.
• Perform data analysis, cleansing, normalization, and validation to ensure data integrity during migration.
• Implement robust data security practices throughout modeling, extraction, and migration phases.
• Support data visualization, presentation services, and prototyping for downstream analytics tools.

Skills

SQL

Data Modeling

Reverse Engineering

RDBMS

Security Governance

Education

Bachelor’s degree in CS / Systems Engineering or related, plus 20 years experience OR 25 years without degree

Tools

Oracle

PostgreSQL

Job description

J&T Business Consulting seeks a senior Systems Engineer (TS/SCI with Polygraph) to support a mission-critical initiative in Columbia, MD.

You will reverse engineer ~40 legacy databases, design a unified data model, and migrate data to a modern platform, enabling analysis, discovery, and secure data handling.

The role requires strong SQL, database design, and experience with Oracle/PostgreSQL, focusing on data integrity and security during migration.