Last Energy is seeking an experienced Reactor Operator to support the commissioning, startup, and safe operation of our PWR-5 test reactor. This is a ground-floor opportunity to help establish the operational foundation for a fleet of reactors that will be deployed globally at scale. You will work hands-on with a multidisciplinary team of nuclear engineers, I&C specialists, and plant staff to execute reactor operations safely, reliably, and in compliance with all applicable regulatory requirements.


Key Duties & Responsibilities

Monitor, operate, and control reactor systems during startup, operation, and shutdown in accordance with approved procedures and technical specifications

Execute fueling operations, including fuel handling, loading, core management activities, and associated radiological controls

Perform and document routine surveillances, plant walkdowns, and equipment checks to ensure systems remain within operational limits

Respond to abnormal and emergency plant conditions; execute abnormal operating procedures (AOPs) and emergency operating procedures (EOPs) as required

Support the development, review, and validation of plant operating procedures, especially as the PWR-5 design matures toward commercial deployment

Maintain rigorous configuration control and documentation standards consistent with nuclear quality assurance requirements

Participate in training, simulator exercises, and qualification programs; support the training of junior operators as applicable

Interface with regulatory authorities and support inspections, audits, and licensing activities as needed

Other duties as assigned

Qualifications

2+ years of hands-on reactor operations experience, with demonstrated proficiency in licensed or certified operator duties

Experience with pressurized water reactor (PWR) or pool-type reactor operations; BWR experience will also be considered

Direct experience supporting fueling operations, including fuel handling and associated radiological and criticality safety controls

Strong working knowledge of reactor physics, thermal hydraulics, and plant systems as applied to day-to-day operations

Familiarity with nuclear QA programs, technical specifications, and the regulatory framework governing nuclear plant operations (NRC or equivalent)

NRC Reactor Operator (RO) or Senior Reactor Operator (SRO) license, or equivalent certification (e.g., DOE-facility certification, international equivalent) is preferred

Experience with small modular reactors (SMRs), research reactors, or naval reactors is preferred

Familiarity with startup and commissioning activities for new reactor facilities is preferred

Experience supporting regulatory inspections or participating in licensing submittals is preferred

Ability to work effectively in a lean, fast-paced startup environment with a "builder" mindset

Proven ability to execute procedures with a rigorous, questioning attitude and high attention to detail