Senior​/Principal R&D Nuclear Engineer - Applied Nuclear Technologies, Onsite

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 on‑site 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://(Use the "Apply for this Job" box below)..gov

* These benefits vary by job classification.

The Applied Nuclear Technologies department is seeking a Senior/Principal Nuclear Engineer to support technically challenging work in service of nation's security missions.

In this role, you will contribute to the development, execution, and analysis of experiments focused on radiation effects in materials and electronics.

You will work as part of a multidisciplinary team supporting mission‑driven programs and will be expected to contribute across a range of activities, including hands‑on experimental work, modeling and simulation, numeric data analysis, and technical and Work Planning and Control (WP&C) documentation. The successful candidate will be a self‑motivated engineer or scientist who is excited to contribute to demanding experiments and take ownership and grow into a leadership role.

On any given day, you may be called on to:

• Support the planning, setup, execution, and post‑test analysis of radiation effects experiments.
• Apply knowledge of radiation interactions with materials to interpret results and support the design of experiments.
• Work with a team to use MCNP and related computational tools to enhance understanding of experiments.
• Process, analyze, and visualize experimental or simulation data using Python, MATLAB, or similar technical tools.
• Prepare technical reports, presentations, and other documentation that clearly communicate methods, results, and recommendations.
• Work closely with scientists, engineers, and technologists in a collaborative team environment.
• Contribute to both hands‑on laboratory/test activities and office‑based work.

Due to the nature of the work, the selected applicant must be able to work onsite.

$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.

• 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.
• The ability to obtain and maintain a DOE Q‑clearance

The ideal R&D S&E Nuclear Engineer candidate for Sandia National Laboratories 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 analysis
• Strong verbal and written communication skills and the ability to work effectively in multidisciplinary teams

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

• Experience or background in radiation interactions with materials.
• Experience supporting or…