Data Scientist - AI/ML Specialist

Job Title: Data Scientist - AI/ML Specialist
Job Category: Science
Time Type: Full time
Minimum Clearance Required to Start: None
Employee Type: Regular
Percentage of Travel Required: Up to 25%
Type of Travel: Continental US

• *
• The Opportunity:

CACI is seeking a Data Scientist to support the Department of Homeland Security's Cyber Crimes Center (C3) in developing advanced AI and machine learning solutions for critical law enforcement investigations.
You will design and deploy production-grade AI/ML systems that enable investigators to combat cybercrime and dismantle criminal networks
In addition, you will work within a collaborative technical team to deliver AI solutions that meet rigorous federal compliance standards
Apply cutting-edge machine learning techniques to solve complex investigative challenges for mission-critical national security operations while advancing responsible AI practices
Responsibilities:
Design and implement production AI/ML systems compliant with federal, DHS, and ICE governance requirements
Develop explainable and auditable AI solutions with integrated human-in-the-loop oversight mechanisms
Build machine learning models for investigative analytics including entity resolution, network analysis, and anomaly detection
Develop scalable data pipelines and ETL processes using Apache Airflow, Spark, and on-premise infrastructure
Design database solutions optimized for AI training, fine-tuning, and real-time inference on investigative data Implement continuous monitoring systems to detect bias, performance degradation, and security vulnerabilities
Support AI Use Case approval processes, Security Authorization (ATO), and risk management protocols
Document system architecture, data flows, and model explanations for audit and transparency requirements
Integrate AI capabilities with existing investigative systems through APIs and microservices
Ensure data provenance documentation and lawful data acquisition per federal requirements
Collaborate with software engineers, infrastructure architects, and cybersecurity specialists on cross-functional projects
Communicate technical concepts and model decisions to both technical and non-technical stakeholders
Maintain compliance with AI Security Control Baseline and federal governance frameworks
Contribute technical expertise to team initiatives and share knowledge and best practices with team members
Qualifications:
Required:
Bachelor's degree in Data Science, Computer Science, Artificial Intelligence, Statistics, Mathematics, Engineering, or related technical field
5+ years of demonstrated professional experience in a Data Science role
2+ years of AI/ML professional experience with a proven track record of delivering production AI systems
Advanced proficiency with machine learning frameworks (TensorFlow, PyTorch, scikit-learn) and deep learning architectures
Expert-level Python programming with extensive experience in Pandas, NumPy, and Spark
Demonstrated experience deploying and maintaining production AI systems at scale
Experience with on-premise infrastructure, data centers, and physical server environments
Deep knowledge of explainable AI techniques and model interpretability methods (SHAP, LIME)
Proven experience developing AI systems that comply with federal governance and ethical standards
Proficiency with MLOps practices, model versioning, CI/CD pipelines, and workflow orchestration
Willing and able to work onsite in Fairfax, VA
Active Public Trust clearance or ability to obtain and maintain clearance
Desired:
Master's degree or PhD in a related technical field
Strong communication skills with ability to convey complex technical concepts to diverse audiences
Experience with Generative AI, large language models, prompt engineering, and fine-tuning techniques
Knowledge of AI security, bias detection and mitigation, and adversarial machine learning
Background in federal law enforcement or intelligence community AI applications
Expertise in Open-Source Intelligence (OSINT) analysis and cyber threat intelligence
Proficiency with Elasticsearch, Kibana, graph databases, and investigative analytics platforms
Familiarity with federal AI policies including Executive Orders 13960/14110, OMB guidance
What You Can Expect:
A culture of integrity.
At CACI, we place character and innovation at the center of everything we do. As a valued team member, you'll be part of a high-performing group dedicated to our customer's missions and driven by a higher purpose - to ensure the safety of our nation.
An environment of trust.
CACI values the unique contributions that every employee brings to our company and our customers - every day. You'll have the autonomy to take the time you need through a unique flexible time off benefit and have access to robust learning resources to make your ambitions a reality.
A focus on continuous growth.
Together, we will advance our nation's most critical missions, build on our lengthy track record of business success, and find opportunities to break new ground - in your career and in our legacy.

Pay Range

There are a host of factors that can influence final salary including, but not limited to, geographic location, Federal Government contract labor categories and contract wage rates, relevant prior work experience, specific skills and competencies, education, and certifications. Our employees value the flexibility at CACI that allows them to balance quality work and their personal lives. We offer competitive compensation, benefits and learning and development opportunities.

Our broad and competitive mix of benefits options is designed to support and protect employees and their families. At CACI, you will receive comprehensive benefits such as; healthcare, wellness, financial, retirement, family support, continuing education, and time off benefits. The proposed salary range for this position is:
$94,400 - $198,200
CACI is an

Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, pregnancy, sexual orientation, age, national origin, disability, status as a protected veteran, or any other protected characteristic.