Occidental Petroleum Corporation

Senior AI Language Model Engineer

Occidental Petroleum Corporation$120K — $160K *
Information Technology
Less than 5 years of experience
Job Overview by Ladders

Qualifications

  • PhD in Engineering, Computer Science, Data Science, or a related field.
  • Very strong proficiency in Python and hands-on experience with version control systems.
  • Foundation in large language models (LLMs) and natural language processing (NLP), evidenced through GitHub or publications.
  • Familiarity with NLP/LLM frameworks like LangChain, Hugging Face Transformers, and vector databases.
  • Experience with Retrieval-Augmented Generation (RAG) and multi-agentic systems.
  • Familiarity with AWS cloud services and projects.
  • Strong communication skills for teamwork and technical presentations.

Responsibilities

  • Design and develop end-to-end language engineering use cases with client collaboration.
  • Engage in hands-on code development within a shared team codebase.
  • Design workflows for the deployment of language models, including prompt engineering tasks.
  • Optimize multi-agentic systems to meet specific use case requirements.
  • Collaborate with domain experts to assess and enhance model quality.

Benefits

  • Collaborative work environment within the AI Center of Excellence.
  • Opportunity to engage in innovative AI projects and cutting-edge research.
  • Access to advanced technology and resources for language model development.
  • Potential to work in a fast-paced, startup-like culture with R&D focus.
  • Professional development opportunities in a leading AI-focused company.
Full Job Description
We are looking for an experienced and innovative individual contributor to fill the position of AI Language Model Engineer within our AI Center of Excellence group based in Houston, TX.

Essential Job Responsibilities
  • End-to-end design, research, development, and deployment of language engineering use cases, with continuous client engagement and collaboration.
  • Hands-on development in a shared codebase with the team. Back-end engineering with AWS, Terraform, etc. Working front-end proficiency when needed.
  • Design workflows for language model deployment. Perform prompt engineering, pre-processing, and post-processing to optimize output suitability.
  • Fine-tune and optimize multi-agentic systems to satisfy use case requirements.
  • Work with domain experts to assess model quality.

Qualifications:
  • PhD in Engineering, Computer Science, Data Science, Artificial Intelligence, or a related field.
  • Very strong proficiency in Python, with hands-on experience using version control systems.
  • Strong foundation in large language models (LLMs) and natural language processing (NLP), with practical experience demonstrated through GitHub repositories, research publications, or a portfolio.
  • Familiarity with modern NLP/LLM frameworks and libraries such as LangChain, LangGraph, Hugging Face Transformers, and vector databases.
  • Experience with Retrieval-Augmented Generation (RAG), multi-agentic systems, and agentic frameworks (e.g., Strands Agents SDK), with the ability to design, build, and deploy end-to-end AI agents and orchestration pipelines.
  • Familiarity with cloud platforms such as AWS (EC2, S3, SageMaker, Bedrock, etc.) through projects.
  • Strong communication skills for collaborating with teams and presenting technical results.

Additional Desired Qualifications:
  • Familiarity with any front-end development (e.g., React) to build user-facing applications.
  • Ability to end-to-end develop and deploy full-stack applications - from data ingestion and model development through back-end APIs to front-end interfaces - in addition to the core data science and ML work.
  • Experience with database systems (SQL and/or NoSQL) and data pipeline orchestration tools (e.g., Step Functions).
  • Experience working in fast-paced, startup-like, or R&D-heavy environments.


Occidental does not offer sponsorship of employment-based nonimmigrant visa petitions for this role.

About Occidental Petroleum Corporation

Occidental Petroleum Corporation Careers

Join the dynamic team at Occidental Petroleum Corporation, a leader in the energy sector, and propel your career to new heights in an environment that fosters innovation, leadership, and professional growth.

Work You’ll Do

At Occidental Petroleum Corporation, we offer more than just job opportunities; we provide a platform for you to make a substantial impact on the future of energy. Our team is at the forefront of developing sustainable and efficient energy solutions, and we invite you to bring your skills and passion to our global mission.

Transform Your Career

Occidental is not just a company; it's a place where you can shape your future and the future of the planet. Our diverse and inclusive culture welcomes professionals from all backgrounds to contribute to our collective success. With Occidental, you will lead projects that matter, from groundbreaking CO2 reduction initiatives to innovative energy production techniques.

Innovative Work Environment

Join a team of over 11,000 dedicated professionals who are pushing the boundaries of what's possible in the energy sector. At Occidental, innovation is at the core of everything we do. We are committed to providing our employees with the tools and freedom they need to innovate, from advanced technology platforms to collaborative workspaces.

Career Development and Growth

Occidental believes in nurturing its talent with robust training programs, leadership development opportunities, and comprehensive benefits to ensure every team member can achieve their career aspirations. Whether you are looking for a challenging internship, aiming to grow into a leadership position, or seeking to specialize in a technical discipline, Occidental offers a path to success.

Explore Job Opportunities and Internships

Whether you're a seasoned professional or a recent graduate, Occidental has a variety of positions to match your skills and interests. From engineering to finance, and from environmental science to supply chain management, explore the numerous career paths available at Occidental.

Networking and Professional Development

At Occidental, networking and professional development are part of our DNA. We encourage our employees to engage in internal and external networking events, participate in industry conferences, and take advantage of our comprehensive diversity training programs. These opportunities not only enhance your professional skills but also expand your career horizons.

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Explore Careers at Occidental

Discover the exciting and rewarding career opportunities waiting for you at Occidental Petroleum Corporation. Let your journey begin here.
Learn more about Occidental Petroleum Corporation
Size
11,678 employees
Market Cap
$56.5 billion
Industry
Net Income
-$14.8 billion
Founded
1920
5 Year Trend
+20.7%
Revenue
$17.9 billion
NASDAQ

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