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Machine Learning Engineer II
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What they do
A Machine Learning Engineer specializes in designing, building, and deploying machine learning models. They utilize statistical and mathematical techniques, parallelizing processing, hyperparameter tuning, and other optimization methodologies to improve model performance. Responsibilities also include collecting and preprocessing large datasets, conducting exploratory data analysis, working closely with data engineers to understand data requirements, and engineer input variables for machine learning models.
$168,439 / year median in California
Job Description
- 3.0 Diamond Bar, CA Job Details Full-time $100,464.14
- $145,673.
Advanced ML Modeling & Algorithmic Supervised & Unsupervised Learning:
Build robust classifiers for fault diagnosis and regression models for Remaining Useful Life (RUL) estimation. Expertly handle highly imbalanced datasets where failure labels are rare.Agentic AI & Prescriptive Systems:
Develop multi-agent workflows that reason over asset health data, parse digital manuals via RAG (Retrieval-Augmented Generation), interact with operational APIs, and generate automated outputs. Utilizing XGBoost, Random Forests, LSTMs, and Autoencoders—to process sensor streams and PLC data for predictive maintenance and real-time anomaly detection. leverage techniques like Isolation Forests, One-Class SVMs, Dynamic Time Warping, and PCA to build scalable models that monitor asset health, classify process quality, and drive automated decision-making. 2.Production-Grade MLOps & Infrastructure Robust Data Engineering:
Standardize, clean, and enrich raw, unstructured, or missing sensor telemetry and PLC tag data.Scalable ML Pipelines:
Build and maintain scalable, reproducible training and inference pipelines (using MLflow, Kubeflow, or Azure Machine Learning).Edge & Cloud Deployment:
Deploy models across hybrid environments, optimizing for cloud (Azure) as well as low-latency.Distributed Compute Tuning:
Optimize model training and throughput, leveraging GPU-accelerated training and efficient serialization for massive datasets. 3.Systems Integration & Cross-Functional Impact High-Fidelity Code:
Deliver highly optimized, production-grade, modular software in Python and C++ accompanied by strict unit testing, and clean documentation.Technical Communication:
Bridge the gap between data science and physical operations. Clearly articulate complex ML mechanics, decision boundaries, and model limitations to plant managers, IT directors, and executive leadership. Qualifications & Deep Technical Requirements Technical Skills (Must-Haves):Frameworks & Libraries:
Deep expertise in PyTorch or TensorFlow, alongside standard data science libraries (Scikit-Learn, NumPy, Pandas, SciPy).Production Programming:
Exceptional software development skills in Python (writing optimized, vectorized code) ,Java Script, C/C++ &R Modern MLOps & Cloud:
Hands-on experience with containerization (Docker/Kubernetes), distributed processing (PySpark/Databricks), and cloud architectures, ideally Microsoft Azure.Data Handling:
Mastery of SQL, NoSQL, and time-series databases (e.g., InfluxDB, TimescaleDB) containing millions of streaming data points. This position is estimated to travel 10-30% Please note this job description is not a full list of activities, duties or responsibilities required of the employee for this job. Duties, responsibilities, and activities may change at any time with or without prior notice. This position embodies the values of Niagara's LIFE competency model, focusing on the following key drivers of success: Lead Like an Owner Manages a safe working environment, accurately documents safety-related training, and effectively communicates safety incidents Provides strategic input and oversight to departmental projects Makes data-driven decisions and develops sustainable solutions Skilled in reducing costs and managing timelines while prioritizing long-run impact over short-term wins Makes decisions by putting overall company success first before department/individual success Leads/facilitates discussions to get positive outcomes for the customer Makes strategic decisions that prioritize the needs of the customer over departmental/individual goals InnovACT Continuously evaluates existing programs and processes, and develops new initiatives to increase efficiency and reduce waste Creates, monitors, and responds to departmental performance metrics to drive continuous improvement Champions responsible adoption of Agentic AI and intelligent automation to improve reliability, speed, decision quality, and waste reduction while maintaining safety and governance. Communicates a clear vision, organizes resources effectively, and adjusts the strategy as needed when managing change Find a Way Demonstrates ability to think analytically and synthesize complex information Effectively delegates technical tasks to subordinates Works effectively with departments, vendors, and customers to achieve organizational success Identifies opportunities for collaboration in strategic ways Empowered to be Great Makes hiring decisions primarily based on culture fit and attitude, and secondarily based on technical expertise Engages in long-term talent planning Provides opportunities for the development of all direct reports Understands, identifies, and addresses conflict within own team and between teamsWork Experience/KSA's Required:
Education:
Bachelor's degree in Computer Science, Data Science, Electrical/Mechanical Engineering, Mathematics, or related quantitative field (Master's or PhD with an ML focus is highly preferred). Strong proficiency in Python and modern machine learning frameworks such as PyTorch and/or TensorFlow Experience working across multiple modalities, with expertise in one or more of:Natural Language Processing:
LLMs, text classification, information extraction, retrieval systems, agentic applications, or related areas. Experience training, fine-tuning, evaluating, and deploying machine learning models in production environments. Experience designing evaluation methodologies, benchmarking systems, and model performance metrics. Experience with MLOps tools and practices (Docker, Kubernetes, CI/CD for ML, MLflow, etc.) Experience with cloud platforms such as Google Cloud Platform (preferred), AWS, or Azure, including ML infrastructure, workflow orchestration, storage, and database services.Preferred:
Masters or PhD degrees are preferred. 5-7 years- Experience in Python, R, or another programming language 5-7 years
- Experience with TensorFlow, PyTorch, scikit-learn, or comparable ML frameworks 5-7 years
- Experience in Industrial ML, Automation, Data Science, AI, or related fields 5-7 years
- Experience with cloud computing platforms such as AWS, Azure, or GCP 3-5 years
- Experience with natural language processing (NLP), LLM applications, prompt engineering, or retrieval-augmented generation (RAG) 3-5 years
- Experience leading production Agentic AI, LLM, RAG, or multi-agent orchestration initiatives in industrial, manufacturing, maintenance, reliability, or enterprise operations environments 5-7 years
- Experience with Deep Learning, Computer Vision, Reinforcement Learning, or advanced predictive modeling 3-5 years
- Experience with ethical, legal, privacy, security, and responsible AI considerations in machine learning and agentic AI systems 3-5 years
- Experience with AgentOps/LLMOps practices, including monitoring, evaluation, versioning, safety testing, audit trails, and cost/performance optimization Experience may include a combination of work experience and education Preferred Competencies and Skills Proficiency in Azure ML Studio and related tools for model development, deployment, and monitoring.
- Word, Excel, PowerPoint, Outlook, Project, Visio, etc.
PLC/SCADA
systems suchSIEMENS S7, ALLEN
BRADLEY, BnR, Edge data Management, etc. Understanding of machine learning techniques and algorithms, such as k-NN, Naive Bayes, SVM, decision forests, gradient boosting, neural networks, and LLM-based approaches Preferred experience with common data science and AI toolkits, such as R, Weka, Python, NumPy, Matplotlib, Pandas, MATLAB, Azure ML, and LLM/agent development libraries Able to translate data, model outputs, and AI agent recommendations into actionable decisions for senior management Strong analytical and problem-solving skills Self-motivated with a proven record of taking initiative Able to work with minimal supervision Detail-oriented with excellent oral and written communication skills Able to execute tasks in a very dynamic and ever-changing environmentEducation Minimum Required:
Bachelor's Degree in Computer Science, Data Science, Artificial Intelligence, Industrial/Automation Engineering, or other related fields or equivalent experiencePreferred:
Master's Degree or PhD in Computer Science, Data Science, Artificial Intelligence, Industrial/Automation Engineering, or related fieldCertification/License:
Required:
N/A Preferred:
N/A Typical Compensation Range Pay Rate Type:
Salary $100,464.14- $145,673.
https:
//careers.niagarawater.com/us/en/benefits- Los Angeles County applicants only
- Qualified applicants with arrest or conviction records will be considered for employment in accordance with the Los Angeles County Fair Chance Ordinance for Employers, the California Fair Chance Act, and any other applicable local and state laws.