4 junior mlops engineer jobs at 2 companies in Orange, CA

PromotedHiringCafe
ML Engineer - Inference & Model Deployment
Cupertino, CA, US
$250k-$310k/yr On-SiteFull Time
HiringCafe
HiringCafe: Building a 100× better job search engine to take on Indeed and LinkedIn.
Turn powerful AI and ML models into fast, reliable production systems. Own inference latency, throughput, model-serving architecture, multi-GPU systems, and production deployment for millions of users.
Python, PyTorch, vLLM, SGLang, TensorRT, LLMs
PromotedHiringCafe
Founding Machine Learning / AI Search Engineer
Cupertino, CA, US
$160k-$310k/yr On-SiteFull Time
HiringCafe
HiringCafe: Building a 100× better job search engine to take on Indeed and LinkedIn.
Build the ML and AI search behind HiringCafe — ranking, recommenders, retrieval, and LLM agents that surface jobs people would never find on their own.
Python, PyTorch, Elasticsearch, LLMs
3w
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Scientist, Computational Chemist & MLOps Engineer
Madison or Pasadena or San Diego or Verona
$100k-$125k/yr OnsiteFull Time
Arrowhead Pharmaceuticals
Arrowhead PharmaceuticalsNASDAQ: ARWR: Develops RNAi medicines to treat genetic and intractable diseases.
Bachelor's or Master's in a related field; strong Python, Linux, and Git skills; foundational statistics and ML knowledge; experience with biological/omics datasets, reproducible workflows, and scientific software; PhD preferred for senior levels.
Python, Linux, Git, HPC
1mo
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Software Engineer (C++ and TS Clearance)
Woodland Hills or Los Angeles
$92k-$138k/yr OnsiteFull Time
Northrop Grumman
Northrop GrummanNYSE: NOC: Designs and manufactures advanced aerospace and defense systems.
0+ YOEBachelor's in STEM +2 years (or Master's with 0 years), active Top Secret clearance enrolled in Continuous Evaluation, C/C++ experience, CI/CD and Git experience, onsite full-time, ability to meet security screening.
C, C++, CI/CD, Git, Docker, Kubernetes, Linux, CUDA, MLOps, DevSecOps, Agile, Scrum
1mo
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AI Engineer Software (Level 2 or 3)
Redondo Beach or El Segundo
$111k-$207k/yr HybridFull Time
Northrop Grumman
Northrop GrummanNYSE: NOC: Designs and manufactures advanced aerospace and defense systems.
2+ YOEAbility to obtain US Secret clearance, Python and ML framework proficiency (PyTorch, Hugging Face, LangChain), experience building RAG/agentic AI and deploying LLM-based services; Bachelor's in CS/STEM with 2+ years (or Master's) typically required.
Python, PyTorch, Hugging Face Transformers, LangChain, LangGraph, Pinecone, FAISS, Milvus, GPT-4, GPT-5, Llama, REST, GraphQL, gRPC, Docker, Kubernetes, AWS, Azure, GCP, JAX, TensorFlow, Git, CI/CD, MLOps, ETL
1mo
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AI Engineer Software (Level 2 or 3)
Redondo Beach or El Segundo
$111k-$167k/yr OnsiteFull Time
Northrop Grumman
Northrop GrummanNYSE: NOC: Develops and manufactures advanced aerospace, defense, and space systems.
2+ YOEBachelor's or Master's in CS/STEM, 2+ years (Level 2) or 3–5+ years (Level 3) experience; proficiency in Python, PyTorch, Hugging Face, LangChain; cloud and container experience; ability to obtain US Secret clearance.
Python, PyTorch, Hugging Face Transformers, LangChain, LangGraph, Pinecone, FAISS, Milvus, GPT-4, GPT-5, Llama, REST, GraphQL, gRPC, Docker, Kubernetes, AWS, Azure, GCP, Git, TensorFlow, JAX, CI/CD, MLOps