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Senior/Principal R&D Nuclear Engineer- Nuclear Criticality Safety, Onsite

Sandia National Laboratories
$117,500 - $235,700
401(k), relocation assistance
United States, New Mexico, Albuquerque
1515 Eubank Boulevard Southeast (Show on map)
Apr 01, 2026
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Job ID
697407
Location
Albuquerque, NM
Full/Part Time
Full-Time
Regular/Temporary
Regular
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About Sandia

Sandia National Laboratories is the nation's premier science and engineering lab for national security and technology innovation, with teams of specialists focused on cutting-edge work in a broad array of areas. Some of the main reasons we love our jobs:

  • Challenging work with amazing impact that contributes to security, peace, and freedom worldwide
  • Extraordinary co-workers
  • Some of the best tools, equipment, and research facilities in the world
  • Career advancement and enrichment opportunities
  • Flexible work arrangements for many positions include 9/80 (work 80 hours every two weeks, with every other Friday off) and 4/10 (work 4 ten-hour days each week) compressed workweeks, part-time work, and telecommuting (a mix of onsite work and working from home)
  • Generous vacation, strong medical and other benefits, competitive 401k, learning opportunities, relocation assistance and amenities aimed at creating a solid work/life balance*

World-changing technologies. Life-changing careers. Learn more about Sandia at: http://www.sandia.gov

*These benefits vary by job classification.

What Your Job Will Be Like

The Nuclear Safety Technologies Department of Sandia National Laboratories (SNL), is seeking a dedicated R&D Nuclear Engineer to support the corporate Nuclear Criticality Safety (NCS) Program, activity level work with fissionable materials and research and development projects. The NCS team supports a variety of locations and activities across SNL, encourages professional development in the NCS field, and works together on the continuous improvement and implementation of the program!

The team works in a highly collaborative environment that requires self-motivated, safety conscious, detailed oriented, and communicative individuals that support Sandia's purpose to render exceptional service in the national interest.

Your job responsibilities will include:

  • Providing technical guidance to various operating organizations for the handling, movement, and staging of fissionable materials.
  • Preparing or reviewing criticality safety evaluations, programmatic and line procedures, and other guidance memorandum.
  • Participating in nuclear safety analysis and system design.
  • Conducting research to improve or develop new techniques and methods in support of NCS.
  • Participating in response to NCS process deviations and programmatic items.
  • Participating in NCS related emergency response and planning (e.g., drills, exercises).
  • Conducting evaluations of radiation transport and shielding design; conducting computer modeling for nuclear applications; and supporting research and development projects.
  • Supporting other safety related programs on regulatory requirements and implementation.

Due to the nature of the work, the selected applicant will be required to work onsite. Relocation will be provided for those that qualify.

Salary Range

$117,500 - $235,700

*Salary range is estimated, and actual salary will be determined after consideration of the selected candidate's experience and qualifications, and application of any approved geographic salary differential.

Qualifications We Require

  • A Bachelor's degree in a relevant discipline and five (5) years of directly relevant experience, or an equivalent combination of directly relevant education and engineering or scientific experience that demonstrates the knowledge, skills, and ability to perform independent research and development.

  • Ability to obtain and maintain a DOE Q clearance
Qualifications We Desire

The ideal R&D S&E Nuclear Engineer candidate for SNL will in addition possess the following:

  • Graduate degree in Nuclear Engineering or a highly related field where an independent research project was a graduation requirement (e.g., independent project, thesis, or dissertation).
  • Operational experience with radiological and/or nuclear facilities.
  • Experience performing radiation transport modeling.
  • Knowledge of criticality safety and criticality analyses.
  • Strong verbal and written communications skills, and the ability to work effectively in multidisciplinary teams.

Also, for this posting we are seeking individuals with the following experience:

  • Three or more years of experience with Nuclear Criticality Safety at DOE facilities
  • Knowledge or experience with the preparation of Documented Safety Analyses (DSAs) and Technical Safety Requirements (TSRs)
  • Experience with nuclear criticality safety software, hand-calculations, analysis, and practices
  • Working knowledge of ANSI/ANS-8 series standards and applicable DOE Orders and standards
  • Experience with reactor kinetics and radiation transport calculations and modeling
  • Experience with NCS assessments of activity level work
  • Experience with emergency response
  • Active DOE Q clearance
About Our Team

The Nuclear Safety Technologies Department (Org. 1383), located in Technical Area V (TA-V) at Sandia National Laboratories (SNL), is responsible for ensuring that risks associated with operating TA-V nuclear facilities are analyzed, communicated, and accepted by the governing authorities. This involves selecting and evaluating nuclear safety controls to ensure protection of the general public, workers, visitors, and the TA-V staff. In addition, the Department ensures that the nuclear facility's safety documentation complies with federal law, Department of Energy (DOE) requirements and SNL standards and expectations. Org. 1383 is also responsible for implementing the Sandia corporate Nuclear Criticality Safety (NCS) Program. Additional responsibilities of Department include research in isotope production/separation technologies, and reactor design and analysis.

Posting Duration

This posting will be open for application submissions for a minimum of three (3) calendar days, including the 'posting date'. Sandia reserves the right to extend the posting date at any time.

Security Clearance

Sandia is required by DOE to conduct a pre-employment drug test and background review that includes checks of personal references, credit, law enforcement records, and employment/education verifications. Applicants for employment need to be able to obtain and maintain a DOE Q-level security clearance, which requires U.S. citizenship. If you hold more than one citizenship (i.e., of the U.S. and another country), your ability to obtain a security clearance may be impacted.

Applicants offered employment with Sandia are subject to a federal background investigation to meet the requirements for access to classified information or matter if the duties of the position require a DOE security clearance. Substance abuse or illegal drug use, falsification of information, criminal activity, serious misconduct or other indicators of untrustworthiness can cause a clearance to be denied or terminated by DOE, resulting in the inability to perform the duties assigned and subsequent termination of employment.

EEO

All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability, or veteran status and any other protected class under state or federal law.

NNSA Requirements for MedPEDs

If you have a Medical Portable Electronic Device (MedPED), such as a pacemaker, defibrillator, drug-releasing pump, hearing aids, or diagnostic equipment and other equipment for measuring, monitoring, and recording body functions such as heartbeat and brain waves, if employed by Sandia National Laboratories you may be required to comply with NNSA security requirements for MedPEDs.

If you have a MedPED and you are selected for an on-site interview at Sandia National Laboratories, there may be additional steps necessary to ensure compliance with NNSA security requirements prior to the interview date.

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