61 llm engineer jobs at 40 companies in Menifee, CA
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Applied LLM Systems Engineer
Costa Mesa or Santa Ana
$112k-$149k/yrOnsiteFull Time
Anduril Industries: Defense technology building autonomous military hardware and software.
5+ YOERequires 5+ years of software engineering, production AI delivery, Python proficiency, LLM optimization, evaluation and observability experience, and eligibility for Secret or higher US security clearance.
Sr. Vehicle Modelling Engineer, Applied AI Systems
Irvine or Palo Alto
$135k-$186k/yrHybridFull Time
Rivian and Volkswagen Group Technologies: A joint venture developing software-defined vehicle technology and AI-enabled systems for electric vehicles.
BS/MS in engineering or equivalent; strong Python; experience building LLM applications, RAG/semantic search, and AI tooling; systems engineering and physical simulation familiarity; GitLab CI/CD experience.
Senior Principal Engineer – Applied ML/AI Algorithms R&D for Advanced Patient Monitoring
Irvine, California, United States
$130k-$207k/yrOnsiteFull Time
BDNYSE: BDX: Manufactures medical devices, surgical instruments, and pharmacy automation systems.
4+ YOEPhD+4 or MS+7 or BS+8 in AI/ML/data science/software engineering; experience productionizing ML/LLM models, MLOps, mentoring engineers, building scalable experimentation and working in regulated healthcare environments.
Eagan or Frisco or New York City or Toronto or Ann Arbor or San Francisco or Los Angeles or Irvine or McLean or Washington
$159k-$295k/yrHybridFull Time
Thomson ReutersNASDAQ: TRI: Provides professional software, data, and news services globally.
Expertise in identity and access management, distributed systems, and AI/LLM integration; deep Python experience; cloud (AWS) and relational DB (PostgreSQL); strong communication and architecture ownership skills.
Bucharest or Boulder or Boston or Chicago or Glendora or Richmond or London or Auckland
lei16k-lei19k/moHybridFull Time
Yes Energy: Provides real-time electric power market data and trading analytics.
5+ YOEBachelor's in CS/Data/Math, 5+ years software engineering with focus on testing/evaluation or AI/ML tooling, strong Python, experience building evaluation pipelines and LLM eval concepts, familiarity with RAG and production data pipelines.
Qcells: Provider of solar modules, energy storage, and EPC services.
5+ YOEBachelor's or Master's in engineering,5+ years BESS/renewable/grid operations experience,knowledge of power systems,industrial protocols,Linux/SSH,Ansible,ability to apply LLMs/ML for automation and monitoring.
Basking Ridge or Bloomington or Collegeville or Irving or Worcester or Pittsburgh or Aurora or Kent or Downers Grove or Bloomington
$107k-$205k/yrHybridFull Time
VerizonNYSE: VZ: Provides wireless, broadband, and telecommunications services to customers.
6+ YOE6+ years in technical facilities planning or related disciplines; experience with PSC design, Python automation, LLM integrations, SQL/databases, Looker/Tableau, and cloud platforms; bachelor's degree or equivalent experience.
Forward Deployed Engineer (FDE) - Public Sector, Nonprofit & Education
McLean or Maryland or Chicago or West Virginia or Virginia or Irvine or Indianapolis or San Francisco or New York City or Dallas or Denver or Atlanta or Austin
$89k-$288k/yrHybridFull Time
SalesforceNYSE: CRM: Sells cloud-based customer relationship management and business software solutions.
3+ YOE3+ years software engineering or technical delivery experience, customer-facing delivery experience, production systems experience, proficiency with Python/JavaScript/TypeScript/Java/Apex, hands-on LLM and data integration experience.
Sr. AI/ML Engineer - Remote or Hybrid in Eden Prairie, MN or Irvine, CA
Eden Prairie or Irvine
$120k-$215k/yrHybridFull Time
UnitedHealth GroupNYSE: UNH: Provides health insurance and technology-enabled health care services.
5+ YOE5+ years engineering experience, strong Python skills, practical experience with LLMs, RAG, embeddings, vector search, prompt engineering, model APIs, data pipelines, and responsible AI practices.
United States or Oakland or San Francisco or New York City or Boston or Seattle or Irvine or Los Angeles or Monterey or Santa Barbara or Santa Rosa or Austin or Portland or Philadelphia or Chicago
$146k-$235k/yrRemoteFull Time
LaunchDarkly: Provides a feature management platform for software development teams.
5+ YOE5+ years full-stack engineering; strong TypeScript and React; experience with Go or Node; shipped AI/agent features and MCP/LLM tooling; instrumentation, funnel analysis, A/B testing, and on-call support experience.
Los Angeles or Santa Clara or Tustin or Dallas or United States
$111k-$185k/yrHybridFull Time
Lendistry: Technology-enabled lender providing capital to small businesses.
5+ YOE5+ years software engineering with 3+ years building and shipping LLM-powered apps; expert Python; production-grade LLM and RAG systems; strong platform and collaboration skills.
Success Lending: Modern, agent-aligned mortgage lending services for homebuyers.
3+ YOERequires 3–5 years in AI application, automation, or full-stack cloud engineering; Python and JavaScript; AI workflows, AWS, LLM services, APIs, serverless architecture, and data analysis.
Capital Group: Providing active investment management and research-driven financial strategies
10+ YOE10+ years software engineering experience, strong Python, hands-on LLM/LLMOps and RAG production experience, system design, eval-driven development, security/privacy controls, and bachelor’s degree or equivalent.
ETAP: Electrical power system modeling and analysis software solutions.
1+ YOEMaster's or PhD in EE/Power/CS/AI, strong power systems knowledge, hands-on Python and C++/C# experience, ML/LLM experience, 1+ years relevant experience, collaborative with strong problem-solving skills.
San Jose or Portland or Research Triangle Park or Seattle or New York City or Irvine or San Diego
$337k-$427k/yrHybridFull Time
CiscoNASDAQ: CSCO: Develops and sells networking hardware and cybersecurity software.
17+ YOEBachelor's in CS/Engineering or equivalent; 17+ years in software engineering, technical architecture, distributed systems or AI/ML; principal/architect experience; proven ability to set technical strategy and drive cross-organizational architecture; cloud and AI/ML experience.
Ingram MicroNYSE: INGM: Distributes information technology products and provides supply chain solutions.
7+ YOE7+ years building production AI/ML systems; degree in CS/AI/ML/Statistics preferred; expertise in agentic AI, LLMs, statistics, cloud, APIs, and mentoring engineers.