Company
Jobs at LLNL
117
Open Roles
2
Locations
Overview
About LLNL
LLNL is actively hiring with 117 open positions across Livermore, CA, United States, Tracy, CA, United States. Use TryApplyNow to see your AI match score for each role and get your resume tailored automatically.
Open Positions
All Roles at LLNL (117)
Standby Reliability Power Electrician
Quantum Device and Circuit Postdoctoral Researcher
Senior Laser Project Engineer
Boiler & Pressure System Mechanic II
Mechanical Technologist/Senior Mechanical Technologist - High Explosives Application Facility
Senior Laser Modeling Physicist
Bioinformatics Scientist
Machine Learning Research Engineer
Machine Learning Physics Graduate Student
Principal Associate Director (PAD) for Computing
Metallographer/Fractographer - Staff Scientist
Data Science Engineer
Process Engineer - Active Clearance Required
Microwave/RF Engineer
Nuclear Facility Mechanical Cognizant Systems Engineer
Nuclear Facility Senior Mechanical Project Engineer
Electronics Technologist/Sr. Electronics Technologist
Control Systems Engineer
Senior Mechanical Engineering Analyst
Power Grid Engineer - Lead
Power Grid Dynamics Engineer
Power Grid Dynamics Engineer - Lead
Physics-Informed Machine Learning Specialist
Electrical Engineer – Unmanned Systems & Ground Penetrating Radar
Procurement Policy Analyst
Metallographer Technologist/Senior Metallographer Technologist
Financial Systems Analyst
Design Optimization Engineer - Postdoctoral Researcher
Laser Postdoctoral Researcher - Advanced Photon Technologies
Electronics Fabrication Technician Specialist
Cryogenic Operations Gas Process Engineer
Electric Utility Distribution Electrician/Lineman (Site 300)
Subcontract Analyst - Construction
Materials Science Division Graduate Intern - Fall 2026
Atmospheric Sciences - Postdoctoral Researcher
Mechanical Technologist/Sr. Mechanical Technologist
Senior Business Operations Specialist - Active Security Clearance Required
Senior Guidance, Navigation & Control (GNC) Engineer
Occupational Health Physician
Cryogenic Systems Engineering Manager
High-Power Laser Systems Engineering and Operations Manager
Facility Engineer
Senior Engineering Design Associate
Flight Test Mission Engineer
Classified Administrative Specialist (CAS) - Active Security Clearance Required
Inertial Confinement Fusion Chief Engineer
Security System Design and Configuration Specialist - Active Clearance Required
AI/ML Computational Biologist - Postdoctoral Researcher
Mechanical Technologist/Sr. Mechanical Technologist - LLNL Independent Diagnostic Scoring System (LIDSS) Group
Electrician II - Mid Shift
Target Fabrication and Materials Characterization Technologist
Industrial Hygienist
Materials Science Division Undergraduate Intern - Fall 2026
Senior Technical Coordinator – Electronic and Mechanical
Laser Bay Transport and Handling Shift Lead
Cryogenic Operations Field Lead Technologist
Deputy Associate Program Leader for Aqueous and Analytical Chemistry - Active Security Clearance Required
Computational Materials Scientist - Postdoctoral Researcher
AI (Artificial Intelligence) Infrastructure Architect
Nondestructive Evaluation Electromagnetics - Postdoctoral Researcher
Nurse Practitioner / Physician Assistant
AI/ML Postdoctoral Researcher
Laser Modeling Physicist
HVAC Mechanic II - Mid Shift
Sr. Fire Alarms Electronics Technician - Mid Shift
Plumber/Pipefitter - Mid Shift
Electric Utility Distribution Electrician
Directorate Security Officer
Lead Design Engineer - Active Clearance Required
Associate Criticality Safety Engineer
Electronics Technologist - Target Diagnostic Operator
Advanced Photonic Systems Section Manager - Active Clearance Required
Senior Health and Safety Associate
Design Physics - Postdoctoral Researcher
Alternate Information Systems Security Manager (AISSM) - ACTIVE SECURITY CLEARANCE REQUIRED
Government Funded Student Intern (WDTS) - Fall 2026
Senior AI Architect
Senior Optical Engineer
Senior Optomechanical Engineer
Database Reliability Engineer
Computing Undergraduate Student Intern - Fall 2026
Computing Graduate Student Intern - Fall 2026
Nuclear Procurement Engineer
John S. Foster, Jr. and Harold Brown Postdoctoral Fellowships
Chief of Staff, Strategic Deterrence - Active Security Clearance Required
Metrology Program Technical Specialist
Metrology Engineer
Senior Cybersecurity Reverse Engineer
Semiconductor Fabrication Technologist/Senior Semiconductor Fabrication Technologist
Waste Characterization Analyst
Engineering Technical Associate/Senior Engineering Associate - High Explosives Applications Facility (HEAF) Gun Bay Lead
Weapons Infrastructure Construction Manager
Administrative Specialist - Engineering Principal Associate Director's Office
Gardener II/Landscape Maintenance
Crafts Supervisor
Administrative Specialist - Manufacturing Engineering Section
Access Management Administrator
ESN Associate Program Leader (APL) - Platform and Infrastructure - ACTIVE SECURITY CLEARANCE REQUIRED
Metrology/Precision Research Engineer
Autonomous Laboratories, Robotics & Artificial Intelligence – Postdoctoral Researcher
Senior Electronics Technologist
Chemical Lab Technician
Full Stack Engineer - ACTIVE SECURITY CLEARANCE REQUIRED
Subcontract Analyst
Optics Inspection Analysis Software Developer
Entra ID Authentication Administrator
Cyber Security Engineer
Program Group Leader for Secondary Performance - Active Security Clearance Required
Subcontract Analyst - High Volume Purchasing
Engineering Principal Associate Director's Executive Assistant - Active Security Clearance Required
Environment Safety & Health (ESH) Administrative Specialist
Senior Mechanical Engineer - Active Clearance Required
Psychologist
Subcontract Administration Support Section Analyst
Facility Projects Mechanical Coordinator
Facilities Coordinator II/III
Laser-Matter Interaction Experimentalist