Job Description

About Subcritical Systems Inc.

Subcritical Systems Inc. is a venture-backed startup based in Austin, Texas dedicated to bringing the energy amplifier concept to the United States for safe generation of electrical power. Using a particle accelerator to sustain fission of nuclear fuel in a subcritical core, our innovative approach aims to transform energy production. The founding team is comprised of successful entrepreneurs with a history of building cutting-edge technology companies and scientists from US national labs with deep experience in energy amplifier technologies. Subcritical Systems is actively hiring to expand its dynamic team, working towards licensing, regulatory submissions and construction of its first energy amplifier. More information is available at subcritical.com.

About the Role

We are seeking a skilled and detail-oriented Machinist to join our growing team in a full-time, on-site role located in Austin, TX. In this role you will be responsible for operating a variety of manual and CNC machinery to produce high-precision machined components that support the development and construction of our first-of-its-kind energy amplifier.

This role works closely with our engineering and manufacturing teams to fabricate parts to tight tolerances, contribute to facility build-out, and help establish the machining capabilities needed for a novel nuclear power system. This role is ideal for an experienced machinist who takes pride in precision work and is excited to contribute to a groundbreaking technology.

Key Responsibilities

Precision Machining & Fabrication

• Set up, operate, and maintain a variety of manual and CNC machines including lathes, mills, grinders, hydraulic presses, and drill presses.
• Produce high-quality machined parts to customer and engineering specifications, holding tight tolerances required for nuclear and accelerator components.
• Contribute to facility build-out through hands-on fabrication and installation activities.
• Support the development of machining processes and procedures as we scale our manufacturing capabilities.

Blueprint Interpretation & Documentation

• Read and interpret engineering drawings, blueprints, and work orders to determine appropriate machining processes and procedures.
• Document work performed and maintain detailed, accurate production records.
• Collaborate with engineers to clarify specifications and provide feedback on manufacturability.

Quality & Equipment Maintenance

• Monitor machine operations and make real-time adjustments to ensure consistent quality and productivity.
• Perform routine preventive maintenance and troubleshoot issues with machinery to minimize downtime.
• Uphold rigorous quality standards appropriate for safety-critical components.

Who You Are

• 5+ years of experience as a Machinist or in a similar precision manufacturing role.
• Proficient in operating a variety of manual and CNC machines.
• Experienced with Computer Aided Manufacturing (CAM).
• Ability to read and interpret engineering drawings, blueprints, and work orders.
• Strong math and measurement skills with exceptional attention to detail.
• Proven problem-solving skills and ability to work both independently and as part of a team.
• Unwavering commitment to safe operations for yourself and your team members.
• Comfortable working in a fast-paced startup environment with high ownership and evolving processes.
• Experience in precision manufacturing for nuclear, aerospace, or defense applications is a plus but not required.

Important Notes

• This role is fully in person in Austin, Texas. Our facility is located next to Austin Airport.
• Compensation: Competitive Base Salary + Benefits + Bonus
• Opportunity to do foundational manufacturing work on a first-of-its-kind nuclear power system, with significant ownership and room to grow.

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