ML Engineer II - Personalization & Real-Time Recommendations

CNN; Washington (District of Columbia); On-site; USD 112,000 - 208,000; Full time

Benefits offered by this job

Health insurance

Retirement plan

Paid holidays and vacation

Job summary

CNN is seeking a Machine Learning Engineer II to build and deploy ML systems powering personalization, search, and recommendations across CNN's digital platforms. You will contribute to production ML pipelines and collaborate with engineers, data scientists, product managers, and editorial staff.

Join a fast-moving team driving measurable impact at scale, leveraging Python, ML frameworks, and modern MLOps tooling to push the boundaries of digital news experiences.

Qualifications

• MS or PhD in Computer Science, Mathematics, Statistics, Engineering, or related quantitative field.
• 2+ years of professional experience building and deploying ML systems in production.
• Strong Python programming skills and experience with ML frameworks (scikit-learn or similar).
• Experience across the full ML lifecycle: data preprocessing, feature engineering, model training, evaluation, deployment.
• Solid software engineering practices: version control, testing, CI/CD.
• Ability to collaborate with cross-functional partners.
• Strong communication skills to explain technical concepts to non-technical stakeholders.

Responsibilities

• Build and deploy full-lifecycle ML systems in Python for CNN digital products, including personalization, search, recommendations, and content understanding.
• Develop and maintain production ML pipelines, including feature engineering, model training, evaluation, and serving infrastructure.
• Implement rigorous experimentation and A/B testing frameworks to validate model performance and product impact.
• Optimize ML systems for real-time, web-scale performance serving millions of users.
• Partner with platform and infrastructure teams to ensure reliability, scalability, and performance standards.
• Contribute to code reviews, documentation, and team knowledge sharing.

Skills

Python

SQL

Data analysis

Cross-functional collaboration

Communication

Education

MS or PhD in CS/Math/Stats/Engineering

Tools

Git

MLflow

Docker

Kubernetes

Job description

CNN is seeking a Machine Learning Engineer II to build and deploy ML systems powering personalization, search, and recommendations across CNN's digital platforms. You will contribute to production ML pipelines and collaborate with engineers, data scientists, product managers, and editorial staff.

Join a fast-moving team driving measurable impact at scale, leveraging Python, ML frameworks, and modern MLOps tooling to push the boundaries of digital news experiences.