Machine Learning Engineer Chantilly, VA, US

CACI International Inc.; Chantilly (VA); On-site; USD 131,800 - 290,000; Full time

Job summary

CAC I International Inc. in Chantilly, VA seeks a Machine Learning Engineer to design, develop, and deploy AI-powered solutions across enterprise IT operations.

You will build ML pipelines in Python, implement LLM integration, and create RESTful APIs to serve models in production, collaborating with cross-functional teams to translate requirements into scalable software. The role emphasizes cloud deployment, containerization with Docker, version control with Git, and staying current with AI

Qualifications

• Active TS/SCI clearance with Poly.
• Bachelor's degree in Computer Science / Software Engineering / Data Science with 5 years of professional software or ML engineering experience.
• Proficiency in Python with strong OOP, data structures and algorithms; experience with Git, Docker, and databases.
• Knowledge of LLMs and orchestration frameworks such as LangChain and LangGraph; awareness of vector databases (ChromaDB, Pinecone, Weaviate).

Responsibilities

• Develop and maintain ML pipelines and applications using Python and modern ML frameworks.
• Implement and optimize algorithms for large language model (LLM) integration and deployment.
• Build RESTful APIs and microservices to serve ML models in production environments.
• Write clean, maintainable code following object-oriented programming principles.
• Collaborate with cross-functional teams to translate requirements into technical solutions.
• Work with SQL/NoSQL and vector databases to manage training data and model artifacts.
• Containerize ML applications using Docker for consistent deployment.
• Use Git for version control and participate in code reviews.

Skills

Python programming

Object-oriented programming

Git

Docker

SQL/NoSQL databases

LLM technologies

LangChain

LangGraph

RAG architectures

Vector databases

Education

Bachelor's degree in Computer Science / Software Engineering / Data Science

Tools

Python

Docker containerization

Git version control

SQL/NoSQL databases

LLM technologies

LangChain

LangGraph

Vector databases (ChromaDB, Pinecone, Weaviate)

Job description

## Machine Learning EngineerChantilly, VA, USApply NowFind out how well you match with this jobJob ID323698Job Title: Machine Learning EngineerJob Category: Information TechnologyTime Type: Full timeMinimum Clearance Required to Start: TS/SCI with PolygraphEmployee Type: RegularPercentage of Travel Required: NoneType of Travel: None\* \* \***The Opportunity:** CACI is seeking a Software Developer with AI experience to join our dynamic team. This role will focus on developing and implementing AI solutions to enhance our enterprise-level IT operations. The Developer will work closely with cross-functional teams to design, develop, and deploy AI-driven applications that improve efficiency, automate processes, and provide valuable insights. **Responsibilities:** Develop and maintain machine learning pipelines and applications using Python and modern ML frameworks • Implement and optimize algorithms for large language model (LLM) integration and deployment • Build RESTful APIs and microservices to serve ML models in production environments • Write clean, maintainable, and well-documented code following object-oriented programming principles • Collaborate with cross-functional teams to understand requirements and translate them into technical solutions • Work with databases (SQL,NoSQL and Vector) to manage training data, model artifacts, and application state • Containerize ML applications using Docker for consistent deployment across environments • Utilize Git for version control and participate in code reviews to maintain code quality • Conduct testing and debugging of ML applications to ensure reliability and accuracy • Support the deployment and monitoring of AI/ML models in cloud environments • Stay current with emerging trends in machine learning, LLMs, and AI engineering best practices **Qualifications:** *Required:* • Active TS/SCI clearance with Poly • Bachelor's degree in computer science, Software Engineering, Data Science, or related technical field with 5 years of professional experience in software development or machine learning engineering • Strong proficiency in Python programming with solid understanding of object-oriented programming (OOP) concepts, design patterns, data structures, and algorithms • Experience with development tools and practices including Git version control, Docker containerization, and database management (SQL and/or NoSQL) • Knowledge of LLM technologies including exposure to Large Language Models, orchestration frameworks (LangChain, LangGraph), • Understanding of RAG architectures and vector databases (ChromaDB, Pinecone, Weaviate, or similar) for building intelligent retrieval systems • Strong problem-solving abilities, attention to detail, excellent communication skills, and eagerness to learn in a collaborative team environment *Desired:*• Master's degree in computer science or related field • Experience with cloud platforms (AWS, Azure, or Google Cloud) and knowledge of MLOps practices for ML model deployment and monitoring • Experience with container orchestration and DevOps including Kubernetes, Rancher, CI/CD pipelines, and infrastructure automation tools like Ansible • Familiarity with enterprise platforms such as ServiceNow, SAP, Tableau, or Splunk • Contributions to open-source ML projects and familiarity with Agile development methodologies-**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:$131,800 - $290,000*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.*