Senior Systems Engineer – TS/SCI with Polygraph

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

Benefits offered by this job

Comprehensive Health, Dental, and Vis​

Basic Life and Disability Insurance

Paid Time Off (PTO) and Paid Holidays

401(k) Retirement Plan with Company =

Tuition Reimbursement for ongoing教育

Job summary

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

The role requires an active TS/SCI with Polygraph clearance and involves reverse engineering approximately 40 legacy databases into a unified data model, enabling efficient analysis, discovery, and search capabilities during migration to a modernized platform.

Qualifications

• Active TS/SCI with Polygraph clearance.
• Bachelor’s degree in Computer Science, Systems Engineering, or related field plus at least 20 years of relevant professional experience, OR 25 years of relevant professional systems engineering/data architecture experience without a degree.
• Proven expertise in database design, data modeling, and schema normalization.
• Extensive hands-on experience with SQL across relational database systems (Oracle, PostgreSQL).
• Demonstrated experience reverse engineering complex software systems across front-end and back-end.
• Proven track record in data analysis, data cleansing, normalization, and data security governance.

Responsibilities

• Reverse engineer legacy systems to map data structures and workflows.
• Design, architect, and develop unified database models to consolidate ~40 databases.
• Author and optimize complex SQL queries in Oracle and PostgreSQL.
• Perform data analysis, normalization, cleansing, and validation for migration.
• Implement robust data security practices across modeling, extraction, and migration phases.
• Support data visualization, prototyping for downstream analytic tools.

Skills

SQL

Data modeling

Database design

System engineering

Reverse engineering

Data analysis

Security governance

Education

Bachelor’s degree in Computer Science or Systems Engineering

25 years experience without degree

Tools

Oracle

PostgreSQL

Job description

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

The role requires an active TS/SCI with Polygraph clearance and involves reverse engineering approximately 40 legacy databases into a unified data model, enabling efficient analysis, discovery, and search capabilities during migration to a modernized platform.