Calling the bold.

Calling the bold.

Uncork-backed companies are hiring explorers, builders, and operators ready to help chart new territory.

Uncork-backed companies are hiring explorers, builders, and operators ready to help chart new territory.

Mechanical / Ballistics Researcher

Inertia

Inertia

Livermore, CA, USA
Posted on Jan 6, 2026

Location

Livermore

Employment Type

Full time

Location Type

On-site

Department

Physics

Overview:

We are seeking Mechanical / Ballistics Researchers to advance target injection, tracking, engagement capabilities for Inertia’s fusion program. This position involves designing, developing and running a high-repetition rate target injection system.

Primary Responsibilities:

  • Design, develop, and run highly accurate, modest acceleration, high repetition rate inertial fusion target injector system (gas gun or similar technology) for Inertia’s target injection/tracking/engagement system

  • Design methods to control projectile stability and trajectory, and interface with target tracking systems

  • Collaborate with scientists, laser and system engineers to meet specifications

  • Interface with vendors and external suppliers

Qualifications:

Required:

  • BS, MS, or PhD in Mechanical Engineering, Materials Science, or related field

  • Strong design-for-manufacturing skills

  • Hands-on experimental and prototyping experience

Preferred:

  • Background in fusion target manufacturing or aerospace hardware assembly.

  • Experience with high repetition rate target injector systems such as gas guns, electromagnetic launchers, or similar technologies.

  • Knowledge of automation, robotics, or metrology systems.

Salary & Benefits:

We offer market-competitive compensation and an excellent benefits program, including Medical, Dental, and Vision plans, company-paid holidays, matching 401k, and more!

About Inertia:

Inertia is taking the most direct, scientifically-proven path to commercializing fusion, leveraging the only successful achievement of fusion ignition, using a process that was pioneered at the U.S. Department of Energy’s (DOE) Lawrence Livermore National Laboratory (LLNL). With groundbreaking innovation, transformative technology, and multi-year investment, Inertia is committed to commercializing fusion energy in the next decade.