This listing is a summary. Click 'Apply for this job' to view the complete posting and apply on USAJobs.gov.
Open: February 26, 2026 — Closes: March 11, 2026
Summary
What General Information Do I Need To Know About This Position? Salary: GS-11 $83,265 (Step 01) to $108,251 (Step 10); GS-12 99,800 (Step 01) to $129,742 (Step 10) NOTE: First time hires to the Federal Government are typically hired at the Step 01. Open to current or former Federal employees: USGS-DEN-26-12889241-ST-DAH
Major Duties
As a Nuclear Engineer within the TRIGA Reactor Office, some of your specific duties will include: Operate a TRIGA reactor utilizing knowledge of instrumentation/controls/mechanical maintenance. Apply theory, new applications, or developments to plan and perform reactor experiments, maintenance, and repairs as required. Prepare and process samples for a TRIGA reactor and troubleshoot when an issue occurs. Ship hazardous radioactive materials including procurement, transportation properly and safely. Communicate the TRIGA reactor functions through providing tours of the facility and representing the USGS at interagency, national, and international meetings. Operates a government owned/leased vehicle as an incidental driver. Physical Demands: Occasional strenuous physical exertion such as climbing tall ladders and carrying lead shielding weighing up to150 pounds may be required. Movement of shields up to 500 pounds with the use of appropriate mechanical handling equipment may also be required. Work Environment: The work is performed in the nuclear reactor facility on the Denver Federal Center, primarily around the reactor and in adjoining control, office, and storage rooms. The incumbent is exposed to potentially hazardous radiation that requires rigorous precautions including the use specialized safety and control equipment. The employee is also exposed to potentially hazardous chemicals that require the use of additional precautions and equipment that monitors radiation exposure. Conditions of Employment for this Position: As a condition of employment for accepting this position, you will be required to serve a 1- year probationary period during which your fitness and whether your continued employment advances the public interest will be evaluated. This probationary period is an extension of the appointment process and therefore requires the agency to determine if continued employment would advance the public interest, meet the organization goals and mission of the agency, and/or otherwise promote the efficiency of the service. In determining if your employment advances the public interest, the agency will consider: - your performance and conduct; - the needs and interests of the agency; - whether your continued employment would advance organizational goals of the agency or the Government; and - whether your continued employment would advance the efficiency of the Federal service. Under applicable law, the employment of an individual serving a probationary or trial period automatically terminates when that period ends unless the agency affirmatively certifies, in writing, that the individual's employment should continue and that their appointment should be finalized. In the absence of agency action to affirmatively certify continued employment beyond the probationary or trial period, such appointments are terminated. Upon completion of your probationary period your employment will be terminated unless you receive certification, in writing, that your continued employment advances the public interest.