ANS is committed to advancing, fostering, and promoting the development and application of nuclear sciences and technologies to benefit society.
Explore the many uses for nuclear science and its impact on energy, the environment, healthcare, food, and more.
Explore membership for yourself or for your organization.
Conference Spotlight
Nuclear Energy Conference & Expo (NECX)
September 8–11, 2025
Atlanta, GA|Atlanta Marriott Marquis
Standards Program
The Standards Committee is responsible for the development and maintenance of voluntary consensus standards that address the design, analysis, and operation of components, systems, and facilities related to the application of nuclear science and technology. Find out What’s New, check out the Standards Store, or Get Involved today!
Latest Magazine Issues
Jul 2025
Jan 2025
Latest Journal Issues
Nuclear Science and Engineering
August 2025
Nuclear Technology
Fusion Science and Technology
July 2025
Latest News
DOE issues new NEPA rule and procedures—and accelerates DOME reactor testing
Meeting a deadline set in President Trump’s May 23 executive order “Reforming Nuclear Reactor Testing at the Department of Energy,” the DOE on June 30 updated information on its National Environmental Policy Act (NEPA) rulemaking and implementation procedures and published on its website an interim final rule that rescinds existing regulations alongside new implementing procedures.
Submit Your Resume
Zachry Nuclear is a full service engineering firm that has been providing engineering, design, software development, and operations & maintenance (O&M) support services for electric utilities, advanced reactor designers, research organizations, regulators, Architect/Engineers, fuel vendors, and government energy agencies worldwide for over 45 years. Zachry Nuclear, and predecessors, Proto-Power Corporation (PPC), Numerical Applications, Inc. (NAI) and Computer Simulation & Analysis, Inc. (CSA), are internationally recognized for our expertise in thermal hydraulics analysis, radiological analysis, safety analysis and software development. We develop several industry standard analysis codes such as GOTHIC (coarse grid CFD), RETRAN-3D (system thermal-hydraulic and 3D neutron kinetics), VIPRE (subchannel), PROTO-FLO (piping analysis and design), PROTO-HX (heat exchanger performance), RADTRAD-NAI (dose and radiological consequences) and also develop custom software solutions. We specialize in applying these and other tools to provide significant cost savings for our clients through efficiency improvements, margin recapture, operations flexibility, and effective designs by developing innovative engineering solutions through automation, optimization, advanced modeling and simulation and machine learning methods. Our clients include existing plants and advanced reactor vendors supporting many of the SMR, non-LWR and microreactors currently being designed and developed both in the US and internationally. Please visit our website at www.numerical.com for additional information.
Click here for information on Zachry Nuclear
Join one of the manned informal booth times slots below. Talk directly to recruiters from Zachry Nuclear and ask questions about the organization and positions available.
Thursday April 8
Visit Booth1:00 - 3:00 PM ET - Q&A Staffed Session
Friday April 9
Visit Booth1:30 - 3:30 PM ET - Q&A Staffed Session
Saturday April 10
Visit Booth1:00 - 2:30 PM ET - Q&A Staffed Session
Friday, April 9, 2021|10:00–11:30AM (11:00AM–12:30PM EDT)
