IPA signing fails on remote build with valid certificate and provision

Building for iOS through a remote SSH connection on Mac will always fail, even with provision and certificate.

1. Make new C++ project set for mobile/tablet
2. If not already setup, follow procedure here: [Link Removed]
3. After setting up SSH and remote connection to Mac, restart editor
4. Make sure provision and certificate are valid and up to date
5. Make sure bundle ID matches signing ID
6. Build project for iOS

RESULT:

Build will fail with "PackagingResults:Error: Error Failed to sign executable. Make sure your developer certificates have been installed in the System Keychain on the remote Mac." even if provision and certificate are valid

EXPECTED:

Signing completes with valid provision and certificate.

Remote Connection to Mac doesn't work on 4.13 and iOS 10

Error System Keychain on the remote Mac