Senior AI/ML Scientist – Production & Explainable AI

CACI International Inc; Fairfax (VA); On-site; USD 94,400 - 198,200; Full time

Job summary

CACI International Inc seeks a Senior Data Scientist to support DHS/C3 in developing advanced AI/ML solutions for critical investigations. You will design and deploy production-grade AI systems, build scalable data pipelines, and develop explainable models with human-in-the-loop oversight.

Collaborate with engineers and cybersecurity experts while ensuring data provenance and compliance with federal standards.

Qualifications

• Bachelor's degree in Data Science, Computer Science, AI, Statistics, Mathematics, Engineering, or related technical field.
• 5+ years of demonstrated AI/ML experience with production AI systems.
• Advanced proficiency with machine learning frameworks (TensorFlow, PyTorch, scikit-learn) and deep learning architectures.
• Expert-level Python programming with Pandas, NumPy, and Spark.
• Experience deploying and maintaining production AI systems at scale.
• Experience with on-premise infrastructure and data centers.
• Deep knowledge of explainable AI techniques and interpretability methods (SHAP, LIME).
• Proven experience developing AI systems that comply with federal governance and ethical standards.
• Proficiency with MLOps, model versioning, CI/CD pipelines, and workflow orchestration.
• Strong communication skills; ability to convey complex concepts to diverse audiences.
• Active Public Trust clearance or ability to obtain and maintain clearance.

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 and 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.

Skills

ML frameworks

Python & data libs

Data Science

AI/ML Production

Public Trust clearance

Education

Bachelor's degree in related field

Tools

TensorFlow

PyTorch

scikit-learn

Python

Pandas

NumPy

Spark

Job description

CACI International Inc seeks a Senior Data Scientist to support DHS/C3 in developing advanced AI/ML solutions for critical investigations. You will design and deploy production-grade AI systems, build scalable data pipelines, and develop explainable models with human-in-the-loop oversight.

Collaborate with engineers and cybersecurity experts while ensuring data provenance and compliance with federal standards.