Data Scientist Expert

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

TOMORROW HIRE · McLean, United States · Full-time · Posted 2026-10-20

Salary: USD 155,000–185,000

Workplace: on_site

Department: Information Technology

Description

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.

Apply

Apply at TOMORROW HIRE

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