McLean, United States
Data Scientist - Expert - - Active TS/SCI with Full Scope Polygraph - FSP
TOMORROW HIRE · McLean · United States
Posted: 10/20/2026 · Last checked: 10/22/2026
Job description
Quoted in full from TOMORROW HIRE's job posting. Gavroche does not edit it.
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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200 open roles like this one; at most three per employer shown.
What data scientist adverts in the United States state
Middle half: 170,000 – 249,000 USD a year; median 205,000 USD.
From 335 adverts by 152 employers that state a salary, annualised.
How data scientist roles in the United States are worked
9% fully remote · 3% hybrid · 88% do not say
Of 115 adverts. An advert that does not state a work mode is counted as not saying, not as on-site.
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