Data Scientist III SME

Job Title: Data Scientist III SME

Job Category: Science

Time Type: Full time

Minimum Clearance Required to Start: Secret

Employee Type: Regular

Percentage of Travel Required: Up to 10%

Type of Travel: Local

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CACI is seeking an exceptional to support the at the DEVCOM C5ISR Center, Engineering and Systems Integration (ESI) Directorate. This is a position supporting critical Department of Defense (DOW) programs. As a Principal AI/ML Scientist, you will be a top-tier subject matter expert who leads the injection of artificial intelligence and machine learning innovation into critical DOW programs.

This position will be in support of a program whose initiative is aimed at combating evolving and emerging threats, supporting related exploitation and replication activities, and advancing operational rehearsal, exercise, wargaming, and counter system development. Additionally, we are focusing on integration and experimentation, including Modeling and Simulation.

By joining this team, you will have a unique opportunity to contribute to the U.S. and our allies' ability to develop and apply models and simulations throughout the lifecycle of military and commercial technologies and systems. Your work will help ensure Warfighter readiness and the realization of future capabilities.

• Architect and develop cutting-edge AI/ML solutions including deep learning, reinforcement learning, natural language processing (NLP), and computer vision for defense applications
• Design and implement explainable, high-performance reinforcement learning (RL) agents, including graph neural network-based approaches for automated planning
• Develop advanced AI patterns including Large Language Model (LLM) and Retrieval-Augmented Generation (RAG) systems to enable natural language control of complex software and simulation interfaces
• Develop and integrate AI/ML applications within DOW Modeling & Simulation environments (e.g., JLVC, JTLS-GO) to enhance realism and analytical capability
• Deliver advanced data science and data analytics tools, software, algorithms, and analysis support including application of artificial intelligence (AI), machine learning (ML), and digital engineering to simulation data sets
• Lead development and analysis of AI/ML frameworks and models, identification and assessment of data sources, and analysis and monitoring of AI/ML model effectiveness
• Apply AI/ML technologies to support multi-domain operations effectiveness experimentation, including system performance assessments and technical readiness experimentation for emerging weapons and sensor systems
• Provide technical expertise for digital transformation efforts and support enterprise-wide decision analytics capabilities

• Develop explainable and high-performance RL agents, including graph neural network-based approaches

• Bachelor's degree in Computer Science, Data Science, Statistics, Mathematics, Operations Research, or related technical field, OR 15+ years of additional relevant experience may be substituted for education
• 10+ years of experience leading the application of advanced data science and AI/ML
• Generative AI & NLP: Hands-on experience designing advanced AI patterns, including LLM and RAG systems
• Demonstrated experience developing and integrating AI/ML applications within DOW Modeling & Simulation environments (e.g., JLVC, JTLS-GO)
• Experience with Live, Virtual, Constructive (LVC) simulation environments and tools such (e.g. JTLS-GO, OneSAF, JSAF, WARSIM, EADSIM, MDASim)
• Proven ability to architect and develop novel solutions in fields such as deep learning, reinforcement learning, NLP, and computer vision
• Experience with Model-Based Systems Engineering (MBSE) tools and integrating AI/ML with MBSE frameworks
• Experience with data engineering on simulation data including data cleaning, preparation, management, integration, and feature extraction
• Proficiency in developing full stack data solutions and applying systems engineering principles across the data lifecycle
• Active Secret Clearance

• Master's degree or Ph.D. is highly valued
• Strong communication skills and ability to present technical roadmaps to senior leadership

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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.



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.



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.

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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.

Since this position can be worked in more than one location, the range shown is the national average for the position.

The proposed salary range for this position is:
$98,500-$206,800

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.