Data Scientist/Machine Learning Developer - TS/SCI with Polygraph

Company: GD Information Technology
Location: Mc Lean
Posted on: April 2, 2026

Job Description:

Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret SCI Polygraph Clearance Level Must Be Able to Obtain: Top Secret SCI Polygraph Public Trust/Other Required: None Job Family: Data Science and Data Engineering Job Qualifications: Skills: Machine Learning (ML), OpenAI, Tensorflow Certifications: None Experience: 15 years of related experience US Citizenship Required: Yes Job Description: Own your opportunity to turn data into measurable outcomes for our customers’ most complex challenges. As a Data Scientist/Machine Learning Developer at GDIT, you’ll power innovation to drive mission impact and grow your expertise to power your career forward. The successful candidate at the SME level is recognized as an SME within the occupation and is someone that is certified with specific languages, systems or technology required or has a significant number of years of experience; experience with the subject matter or technology outweighs the number of years of experience. SMEs shall be able to mentor or training other members of the contractor team and share their expertise within and across the contract, organizational boundaries and with mission partners. Mission partner-facing communication skills may be required. The candidate will take requirements from a teammate with User Interface/User Experience (UI/UX) expertise in the form of wireframes, site maps, diagrams/schematics, process maps, feature lists, mock-ups and visual specifications. Lean Agile is the development process used on the team so familiarity with that methodology is key. Responsibility for development of unit tests and the automated execution of those tests as well as participation in end-to-end testing is required. Estimation of cost and schedule for enhancements and/or new requirements is also expected. REQUIRED SKILLS AND DEMONSTRATED EXPERIENCE Experience in developing and training machine learning models, analyzing user feedback and interaction data, and collaborating with the NLP engineers and information retrieval SME. Experience with agentic AI platforms, model parameter tuning and dynamic CPU/GPU scheduling OpenAI, Anthropic (Claude), LLM, Transformers, Retrieval Augmented Generation, Vector Embeddings Python Libraries like TensorFlow, PyTorch, Scikit-learn, Pandas, NumPy, Matplotlib, SciPy, FilterPy Front End Skills: Single Page Applications using Vue, JavaScript, C++, C#, Perl, TypeScript, IaC, CSS, SCSS, DHTML, UML and Python, Responsive Design, RESTful APIs, React, Angular Tools/Frameworks: OzoneFuze Widget Framework, Ozone Widget Framework, JEE (EJB, JSP, Tag-Libs), Spring (Core, MVC & AOP, Security, Data), Google Web Toolkit, Hibernate, Struts, Selenium, Eclipse Back End Skills: Microservices, REST, Node.js, Nest.js, AWS CDK, EMR, RDS, ELB Documented Experience with DevOps/Platforms: Amazon Web Services (S3, RDS, EC2, ECS, Lambda, SQS, SNS, CloudFormation, etc.) Demonstrated experience with CI/CD: Jenkins, Artifactory, Docker, Kubernetes and build tools like maven, Gradle, git Experience with databases/datastores: Presto, HiveSQL, Trino, Spark (PySpark), ElasticSearch (OpenSearch), Cassandra, Couchbase, Redis, MongoDB, OrientDB, Hadoop (HBase/Phoenix) Excellent skills in DB Schema design and SQL development Formulates and defines system scope and objectives through research and fact-finding to develop or modify moderately complex information systems Translate software requirements into working and maintainable solutions within the existing application frameworks Implement the products lifecycle: Design, development, quality, deployment and maintenance Develop and adhere to best-practices for developing applications Experience working in an Agile/Scrum development process WHAT YOU'LL NEED TO SUCCEED: Education: BA/BS in Information Technology or related field Experience: 15 years of related experience Security Clearance Level: TS/SCI with Polygraph Location: McLean, VA, on Customer Site US Citizenship Required GDIT IS YOUR PLACE: 401K with company match Comprehensive health and wellness packages Internal mobility team dedicated to helping you own your career Professional growth opportunities including paid education and certifications Cutting-edge technology you can learn from Rest and recharge with paid vacation and holidays WeAreGDIT JET GDITEnhanced2026 VA_2026Alumni The likely salary range for this position is $182,882 - $247,428. This is not, however, a guarantee of compensation or salary. Rather, salary will be set based on experience, geographic location and possibly contractual requirements and could fall outside of this range. Scheduled Weekly Hours: 40 Travel Required: None T elecommuting Options: Onsite Work Location: USA VA McLean Additional Work Locations: Total Rewards at GDIT: Our benefits package for all US-based employees includes a variety of medical plan options, some with Health Savings Accounts, dental plan options, a vision plan, and a 401(k) plan offering the ability to contribute both pre and post-tax dollars up to the IRS annual limits and receive a company match. To encourage work/life balance, GDIT offers employees full flex work weeks where possible and a variety of paid time off plans, including vacation, sick and personal time, holidays, paid parental, military, bereavement and jury duty leave. To ensure our employees are able to protect their income, other offerings such as short and long-term disability benefits, life, accidental death and dismemberment, personal accident, critical illness and business travel and accident insurance are provided or available. We regularly review our Total Rewards package to ensure our offerings are competitive and reflect what our employees have told us they value most. We are GDIT. A global technology and professional services company that delivers consulting, technology and mission services to every major agency across the U.S. government, defense and intelligence community. Our 30,000 experts extract the power of technology to create immediate value and deliver solutions at the edge of innovation. We operate across 50 countries worldwide, offering leading capabilities in digital modernization, AI/ML, Cloud, Cyber and application development. Together with our clients, we strive to create a safer, smarter world by harnessing the power of deep expertise and advanced technology. Join our Talent Community to stay up to date on our career opportunities and events at gdit.com/tc . Equal Opportunity Employer / Individuals with Disabilities / Protected Veterans

Keywords: GD Information Technology, Frederick , Data Scientist/Machine Learning Developer - TS/SCI with Polygraph, IT / Software / Systems , Mc Lean, Maryland