Welcome to OnService!

ALL Mirion, Secure Integrated Solutions (SIS) customers:

As previously communicated, please access the new Mirion SIS OnService Portal for ALL support needs at the following - https://sis-service.mirion.com/. Please note the new URL for future access to the SIS OnService ticketing system. All usernames and passwords are the same as previous.

Access for all Mirion (SIS) users to the previous ARINC website has been disabled.

For questions or issues please email – wkarrenbauer@mirion.com

We apply our expertise to meet the challenges of today's mission-critical industries.


ARINC transportation systems support more than 8 million passengers a day in North America. The leading provider of rail control center capabilities, ARINC’s advanced solutions include information management, train control, SCADA systems, cyber security, and communications. Rail solutions include advanced train control centers and platforms for commuter, freight, and light-rail systems. Transit solutions include integrated multimodal transportation control systems.