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Data Scientist (Expert) - Active TS/SCI with Full Scope Polygraph (FSP)

TOMORROW HIRE
McLean, Virginia, United States Posted Oct 20, 2026
Full-time

About this role

Data Scientist (Expert) - Active TS/SCI with FSP

Location: McLean, VA

Clearance Required: TS/SCI with Full Scope Polygraph (FSP)

Position Type: Full-Time, On-Site

Salary Range: $155,000 – $185,000

Description

  • We are seeking a Data Scientist (Expert) to support mission-focused work. The Data Scientist (Expert) is a specialized, Java-focused technical expert responsible for modernizing, refactoring, and maintaining mission-critical backend Java data processing systems and microservices for the customer. Unlike traditional Python/R data science roles, this position directly addresses a backlog of legacy Java data pipelines and requires an expert software engineer who can contribute meaningfully on Day One to system performance, object-oriented design, and enterprise web service integrations. The position requires an active TS/SCI with Full Scope Polygraph (FSP).

  • Primary Responsibilities

  • Legacy Java System Modernization: Analyze, maintain, and rewrite legacy Java backend processes to align with updated operational requirements and performance standards.

  • Microservices & Web Service Development: Build, maintain, and secure robust Spring Boot microservices, REST APIs, and database integrations supporting web application architectures.

  • Performance Tuning & Memory Management: Optimize multithreading, object-oriented design (OOP), and JVM memory management for high-throughput enterprise data flows.

  • Cloud & Database Integration: Deploy and maintain Java-based applications across AWS cloud infrastructure, Linux OS, Apache Tomcat, and Oracle databases.

  • Build Pipeline Management: Utilize build and version control tools (Maven, Gradle, Git, Jenkins, Eclipse) to support continuous integration and deployment in a secure environment.

Requirements

Minimum Qualifications:

  • Core Java: OOP concepts, multithreading, and JVM memory management

  • Spring and Spring Data JPA

  • Build systems & tools: Eclipse, Maven, Gradle, Git, Jenkins

  • Oracle, Apache Tomcat, AWS Cloud Framework, Linux

  • Developing & using REST web services

  • Active TS/SCI with Full Scope Polygraph (FSP) required.

  • Must work on-site in McLean, VA. Preferred Qualifications:

  • Spring Boot and REST API Java implementations to support web applications

Benefits

Salary

Salary for this position is determined based on factors such as location, qualifications, experience, and contract-specific budget considerations.

Proposed

Salary

Range: $155,000 – $185,000

Benefits

We offer a comprehensive and competitive benefits package, including:

  • 100% Company-Paid Health Insurance: Full coverage for medical, dental, and vision insurance for employees and their dependents (United Healthcare and Guardian).
  • Protection Plans: Employer-paid life, short-term disability, and long-term disability insurance.
  • 401(k) Retirement Contribution: 15% of base salary contributed by the company, fully vested from day one.
  • Paid Time Off: 200 hours of PTO annually (accrued), in addition to 11 federal holidays.
  • Bonuses: Recruitment and business development bonus opportunities based on performance and company growth.

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