Role Overview
Agile Defense is hiring a Senior Data Scientist/Engineer. This is a full-time role in Chantilly. Part of Agile Defense's Data Science hiring. Full responsibilities, required qualifications, and the apply link are listed in the description below.
Salary Context
Salary is not disclosed in this posting. Market median for Senior-level Data Science roles is $160k-$214k (based on 41 comparable listings). Many employers share specifics during the interview process or after an initial screen.
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Job description
About Agile Defense
At Agile Defense we know that action defines the outcome and new challenges require new solutions. That’s why we always look to the future and embrace change with an unmovable spirit and the courage to build for what comes next.
Our vision is to bring adaptive innovation to support our nation's most important missions through the seamless integration of advanced technologies, elite minds, and unparalleled agility—leveraging a foundation of speed, flexibility, and ingenuity to strengthen and protect our nation’s vital interests.
Requisition #: 1355
Job Title: Senior Data Scientist/Engineer
Location: Chantilly, VA
Clearance Level: Active DoD - TS/SCI FSP
Non-Employee Referral Bonus Eligible: $2,000
SUMMARY
You will join a secure, on-site intelligence data-analysis initiative focused on empowering end users to rapidly sift through vast cyber datasets and surface actionable insights. Working alongside cyber subject-matter experts, data engineers, and analysts, the program delivers a next-generation analytics tool that combines natural language processing, entity extraction, and generative AI to accelerate decision making in a highly classified environment.
As a Senior Data Scientist, you will design, develop, and deploy advanced data-science models and workflows within a cross-functional team. You will translate complex requirements into scalable algorithms, collaborate on data-ingestion and parsing tasks, and iteratively refine prototypes to meet end-user needs. Your work will directly inform the core analytics capabilities of the program’s user interface.
JOB DUTIES AND RESPONSIBILITIES
· Lead the end-to-end development of NLP and entity-extraction models tailored for cyber data.
· Prototype and integrate generative AI solutions to automate insight generation.
· Assist with data-engineering tasks, including parsing raw logs and preparing feature sets.
· Collaborate with cyber SMEs to define data-quality standards and validation criteria.
· Translate user stories and requirements into technical specifications and test plans.
· Implement, document, and maintain Python code for reproducible data-science workflows.
· Conduct model performance evaluations and iterate to improve accuracy and scalability.
· Present findings and demos to stakeholders, incorporating feedback into subsequent sprints.
QUALIFICATIONS
Required Clearance
· Active U.S. security clearance at TS/SCI with Full Scope Poly
Education, Background, and Years of Experience
· Bachelor’s degree in Data Science, Computer Science, Statistics, Mathematics, or related field.
· 4–8 years of hands-on data-science experience, including algorithm development and model deployment in production environments.
ADDITIONAL SKILLS & QUALIFICATIONS
Required Skills
· Strong proficiency in Python and its data-science ecosystem (pandas, scikit-learn, PyTorch/TensorFlow).
Expertise in NLP techniques (e.g., tokenization, named-entity recognition, embedding models).
· Proven ability to implement entity-extraction pipelines.
· Familiarity with generative AI frameworks and experience with machine learning.
· Experience with data-engineering fundamentals (ETL, data cleansing, feature engineering).
· Exceptional verbal and written communication skills; ability to distill complex concepts for non-technical audiences.
· Demonstrated experience working with cyber or security-related datasets.
Preferred Skills
· Experience with big-data platforms (Spark, Hadoop) and stream processing (Kafka).
· Familiarity with cloud-based intelligence-community environments (AWS GovCloud, Azure Government).
· Knowledge of containerization (Docker) and orchestration (Kubernetes).
· Hands-on experience with data-visualization tools (e.g., Plotly, D3.js).
WORKING CONDITIONS
Environmental Conditions
· Full-time, on-site at a secure government facility.
· Standard business hours with occasional requirements for extended support during demos or deployments.
· Strict adherence to all security protocols, policies, and data-handling procedures.
. On-site parking.
Strength Demands
· Sedentary – 10 lbs. Maximum lifting, occasional lift/carry of small articles. Some occasional walking or standing may be required. Jobs are sedentary if walking and standing are required only occasionally, and all other sedentary criteria are met.
Physical Requirements
· Stand or Sit; Walk; Repetitive Motion; Use Hands / Fingers to Handle or Feel; See; Push or Pull; Climb (stairs, ladders) or Balance (ascend / descend, work atop, traverse).
About Agile Defense
Agile Defense
agiledefense.com
92 other open roles at Agile Defense on TryApplyNow.
Frequently Asked Questions
How do I apply for the Senior Data Scientist/Engineer position at Agile Defense?
Use the Apply button above to submit your application directly to Agile Defense. Most applications take less than 5 minutes if your resume and contact details are ready, and you'll be routed to the employer's official application system to finish.
Where is the Senior Data Scientist/Engineer position at Agile Defense located?
This position is based in Chantilly. Agile Defense has not indicated remote or hybrid options for this role, so candidates should plan for on-site work.
What does a Senior Data Scientist/Engineer at Agile Defense earn?
Agile Defense has not disclosed a salary range in this posting. Many employers share specifics later in the interview process; you can also ask during a recruiter screen if compensation transparency is important to you.
When was the Senior Data Scientist/Engineer role at Agile Defense posted?
This role was posted on April 29, 2026 (74 days ago). It's still listed as actively hiring; we re-confirm openings against the source system multiple times per day and remove closed roles.
How much experience does the Senior Data Scientist/Engineer role at Agile Defense require?
This is a senior-level position. Most senior roles call for 5+ years of directly relevant experience. Agile Defense lists their specific requirements in the description below, so review the must-have qualifications closely before applying.
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