Senior Systems Engineer 3 - Data Migration & Visualization

J&T; Columbia (MD); On-site; USD 175,000 - 210,000; Full time

Benefits offered by this job

Health Insurance - Comprehensive

Dental Insurance

Vision Insurance

401(k) Retirement Plan with Company

Tuition Reimbursement

Job summary

J&T in Columbia, MD is seeking a senior Systems Engineer 3 to support a mission-critical initiative delivering advanced visualization and presentation services for analytic tool prototyping, development, and production in Columbia, MD.

You will reverse engineer approximately 40 legacy databases into a universal data model, enabling efficient data analysis, discovery, and secure migration to a modernized platform within a small, high-impact team.

Qualifications

• Bachelor’s degree in Computer Science, Systems Engineering, or a related discipline, plus at least 20 years of relevant experience, or 25 years with no degree.
• Active TS/SCI with Polygraph security clearance.
• Experience with database design, data modeling, schema normalization.
• Extensive SQL experience across Oracle and PostgreSQL.
• Reverse engineering complex software systems across front-end and back-end data layers.
• Data analysis, data 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 into a single system.
• Author and optimize complex SQL queries within Oracle and PostgreSQL environments.
• Perform data analysis, normalization, cleansing, and validation during migration.
• Implement robust data security practices throughout modeling, extraction, and migration phases.
• Support data visualization and prototyping for downstream analytic tools.

Skills

SQL

RDBMS

Data Modeling

Reverse Engineering

Data Analysis

Data Security

Visualization Tools

Education

Bachelor’s degree in Computer Science, Systems Engineering, or related

Tools

Oracle

PostgreSQL

Job description

J&T in Columbia, MD is seeking a senior Systems Engineer 3 to support a mission-critical initiative delivering advanced visualization and presentation services for analytic tool prototyping, development, and production in Columbia, MD.

You will reverse engineer approximately 40 legacy databases into a universal data model, enabling efficient data analysis, discovery, and secure migration to a modernized platform within a small, high-impact team.