Machine Learning Software Developer

Company Description

Join us and make YOUR mark on the World!

Lawrence Livermore National Laboratory (LLNL) has turned bold ideas into world-changing impact advancing science and technology to strengthen U.S. security and promote global stability.

Our mission spans four critical national security areas nuclear deterrence, threat preparedness, energy security, and multi-domain defense empowering teams to take on the toughest challenges of today and tomorrow. With a culture built on innovation and operational excellence, LLNL is a place where your expertise can make a real impact.

Job Description

We have an opening for aMachine Learning Software Developer to help to shape research and development efforts to secure software and firmware used in systems critical to our national security, including industrial control systems, in partnership with the Federal government, manufacturers, and asset owners and operators. You will also lead or contribute to the creation of Large Language Model-driven agents, which work to better understand supply chain threats to critical systems and networks.

These positions are programmatically in Global Security's Energy and Homeland Security (E) Program and administratively in the Global Security Computing Applications Division (GS-CAD) within the Computing Directorate.

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.

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

You will

• Design, implement, deploy, and maintain software systems using object-oriented analysis, design, and programming techniques in Python.
• Provide computer science, machine learning, or software development support to multitalented teams using industry standard software development practices, modern programming languages, and operating systems.
• Develop a range of LLM applications including scientific, graphical user interface, database, and visualization applications on UNIX platforms.
• Participate in the requirements definition, analysis, design, implementation, debugging, testing, and optimization of computer programs on workstations.
• Perform other duties as assigned.

Additional job responsibilities, at the SES.
3 level

• Guide the development of novel software, firmware, and malware analysis tools leveraging LLM design strategies to better understand and mitigate threats to operational technology such as industrial control system malware.
• Identify new applications and opportunities for and help create vision and technical direction for software capabilities for critical networks and infrastructure cybersecurity working with LLNL's program leadership.
• Develop new program growth opportunities through interactions with existing and potential sponsors and the development of research proposals.
• Develop, drive, propose, and execute new ideas and approaches to meet existing and potential sponsor needs in order to attract and retain projects, programs, and funding.

Qualifications

• Ability to secure and maintain a U.S. DOE Q-level security clearance which requires U.S. citizenship.
• Bachelor's degree in computer science, machine learning, computer engineering, artificial intelligence or related field, or an equivalent combination of technical education and relevant experience.
• Experience with development of Reinforcement learning, Large Language Model frameworks, agentic AI, or Graph Neural Networks.
• Experience in all aspects of software project life cycle: feasibility, requirements, design, implementation, integration, test and deployment.
• Broad experience developing software with either Python, C++ or JAVA within Linux, UNIX, and/or Windows environments.
• Ability to effectively manage concurrent technical tasks with competing priorities, along with the demonstrated ability to effectively change focus when necessary.
• Proficient verbal and written communication skills to communicate comprehensive knowledge effectively across multi-disciplinary teams and to non-cyber experts, and advise senior management and/or external sponsors, and interpersonal skills necessary to effectively collaborate in a team environment.

Additional qualifications at the SES.
3 level

• Significant project leadership experience and ability to apply, lead and develop cutting-edge principles and research, working independently while effectively managing concurrent technical tasks with competing priorities.
• Significant experience creating technical directions and vision, writing research proposals, and securing sponsor funding.
• Significant experience in and knowledge of at least one of the following subject areas:
  • Data collection techniques
  • Leading software engineering projects from architecture to maintenance
  • AI/ML agentic, MCP, or other LLM integrations
  • AI Model poisoning
  • OT/IoT system design, attack vectors, or hardening…