Gen AI Engineer

We have an opening for a Gen AI engineer to contribute to the design development and support of LLNLs custom Gen AI chatbot LivChat.  This position is in the Digital Experience and Search group within the Information Technology Solutions Division within the Computing Directorate in support of the LivIT program.

This position offers a hybrid schedule blending inperson and virtual presence. You will have the flexibility to work from home one or more days per week.

This position will be filled at either level based on knowledge and related experience as assessed by the hiring team. Additional job responsibilities (outlined below) will be assigned if hired at the higher level.

You will

• Provide software application engineering and maintenance for all phases of the software development lifecycle including analysis design implementation automated testing and support. This includes both frontend and backend development for all aspects of the LivChat and Enterprise Search applications.
• Leverage Opensearch Java Angular TypeScript python and other technologies in the support of various facets of the LivChat and Enterprise Search applications.
• Create and update CI/CD pipelines to build and test new features and applications.
• Deploy software following an agile design methodology to be secure free of vulnerabilities and componentized for ease of maintenance.
• Provide analysis and innovative methods to enhance and extend the product services to customers.
• Provide knowledge sharing with team members and/or mentoring in application design and business processes.
• Perform other duties as assigned.

Additional job responsibilities at the SES.3 level

• Increase RAG effectiveness and supports accurate contextaware responses in GenAI applications through the use of auto tagging and enhanced data preparation.
• Leverage advanced prompting techniques to develop test and optimize prompts for large language models (LLMs) ensuring high model performance response quality and accuracy across the LivChat applications and various use cases.

Qualifications :

• Ability to secure and maintain a U.S. DOE Qlevel security clearance which requires U.S. citizenship.
• Bachelors degree in a computer or engineering related field or the equivalent combination of education and related experience.
• Broad experience developing software with Opensearch Java Angular TypeScript python or other similar technologies.
• Significant experience with multiple facets of LLM engineering including areas such as prompt design finetuning scalable model serving performance monitoring and lifecycle management including updates to retrieval pipelines in RAG systems.
• Broad experience with OpenAI Anthropic Microsoft CoPilot or similar technologies.
• Experience with software development lifecycle version controls and issue tracking tools.  
• Ability to own projects from beginning to end. This covers research technical design and working with others to develop needed components. Able to effectively manage concurrent technical tasks with competing priorities approach difficult problems with enthusiasm and creativity and ability to change focus when necessary.
• Proficient verbal and written communication skills necessary to effectively collaborate in a team environment and present and explain technical information and provide advice to management.

Additional qualifications at the SES.3 level

• Significant experience developing and optimizing data processing workflows for chunking indexing ingestion and vectorization for both text and nontext data
• Experience implementing and maintaining autotagging systems and data preparation processes for LLMs.
• Significant experience using advanced prompting techniques to develop and optimize prompts for LLM to ensure model performance responses quality and accuracy of the Gen AI platform.

Qualifications We Desire

• Experience with cloud platforms (AWS Azure) and containerization technologies (Docker Kubernetes).
• Experience developing local hosting solutions for opensource models.

Additional Information :

#LIHybrid

Position Information

This is a Career Indefinite position open to Lab employees and external candidates.

Why Lawrence Livermore National Laboratory

• Included in 2025 Best Places to Work by Glassdoor!
• Flexible Benefits Package
• 401(k)
• Relocation Assistance
• Education Reimbursement Program
• Flexible schedules *depending on project needs)
• Our values visit  Clearance

  This position requires a Department of Energy (DOE) Qlevel clearance.  If you are selected we will initiate a Federal background investigation to determine if you meet eligibility requirements for access to classified information or matter. Also all L or Q cleared employees are subject to random drug testing.  Qlevel clearance requires U.S. citizenship. 

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  Remote Work :

  No

  
  

  Employment Type :

  Fulltime