In WebSphere application server this part of the web address is called 'context root'. It can be changed using WebSphere admin console under Applications > Enterprise Applications > MAXIMO > Context Root For Web Modules.
You can change this setting from WAS console but every time you will redeploy maximo.ear file it will be reset to the default value. To automate this procedure you can set the correct value in the following files.
Rebuild and deploy the maximo EAR file and check that everything is working fine.