Manager, Machine Learning Operations

Zefr•Marina del Rey, CA

1d•$170,000 - $230,000•Hybrid

About The Position

Zefr is the global leader in brand suitability targeting and measurement across the world's largest platforms. Zefr's technology is helping to power the age of responsible marketing by putting advertisers in control of their content adjacencies based on their own unique brand safety and suitability preferences. As an official YouTube Measurement Program Partner, Meta for Business Partner, and TikTok for Business Partner, the company leverages patented machine learning and AI technology (Cognition AI) to offer brands and agencies more precise and transparent brand safety and suitability activation and measurement solutions on scaled platforms. The company is headquartered in Los Angeles, California, with additional locations across the globe. We are hiring a Manager of Machine Learning Operations to lead our ML Ops team and drive the infrastructure, tooling, and processes that enable our machine learning systems to operate at scale. You will oversee the deployment, monitoring, and optimization of ML models that process multi-terabytes of social media platform data from TikTok, YouTube, Facebook, Instagram, and Snap. In this role, you will lead a team of engineers responsible for building and maintaining robust ML pipelines, ensuring model reliability in production, and implementing best practices for model lifecycle management. You will collaborate closely with ML Engineers and Data Scientists to bridge the gap between research and production. We are excited to welcome a leader who is passionate about building scalable ML infrastructure and developing high-performing teams.

Requirements

Bachelor's or Master's degree in Computer Science or related field with 5+ years of professional experience in ML Engineering or MLOps
2+ years of experience managing or leading engineering teams
Deep expertise in ML model deployment, serving infrastructure, and production ML systems
Hands-on experience with transformer architectures (e.g., BERT, ViT) for natural language and vision tasks.
Strong understanding of multimodal embedding techniques for integrating text, image, audio, and structured data.
Experience with LLM models such as Gemini, GPT, Claude, Qwen, etc.
Experience with ML experiment tracking, model versioning, and feature stores
Strong understanding of CI/CD principles applied to ML workflows
Experience optimizing model inference performance (ONNX, TensorRT, or similar)
Excellent leadership, communication, and stakeholder management skills
Track record of building and scaling high-performing engineering teams
Openness to new technologies and creative solutions

Nice To Haves

Experience with ad tech and digital advertising ecosystem
Experience with multimodal LLM fine-tuning

Responsibilities

Lead, mentor, and grow a team of Machine Learning Engineers, fostering a culture of innovation and continuous improvement
Design and implement scalable ML infrastructure for model training, deployment, and serving
Establish and enforce best practices for ML model lifecycle management, including versioning, testing, and monitoring
Develop and maintain CI/CD pipelines for machine learning workflows
Optimize model inference performance and reduce latency/cost across production systems
Collaborate with ML Engineers and Data Scientists to productionize models efficiently
Implement robust monitoring, alerting, and observability solutions for ML systems
Drive technical decisions on ML Ops tooling, infrastructure, and architecture
Ensure high availability and reliability of ML services at scale
Manage project timelines, priorities, and resource allocation for the ML Ops team