Atom Logo   Login Page

Login Instructions

Login Issues
Review the step-by-step login instructions above. Open a support incident in Service Now or call the MSTS IT Service Desk at 702-295-1800.

WBT and other Training Specific Issues

New Accounts
To request a new ATOM account, please contact your MSTS point-of-contact.

Welcome to the MSTS ATOM Learning Management System (LMS) login page. If you have an account, use one of the links below to log in to the LMS.

NOTE: ATOM works best with Google Chrome or Microsoft Edge.

General Login (SSO)
This link is intended for NNSS and NSE (Nuclear Security Enterprise) employees with either an MSTS computer account or an HSPD-12 badge.

One-Time Pin Login
Secondary login option for all employees. Click the link above, enter your Employee ID or EX- number in the 'User ID' box when prompted, and select a method to receive your passcode. The passcode will expire after 10 minutes and should arrive within 15 seconds once method is chosen. Enter the passcode when prompted. Copy-paste of the passcode is recommended and copied spaces on either side of the passcode are OK.