Unless you're working in the Aerospace & Defense, Healthcare Device, or Automotive industries this will continue to be a problem for some time.

It's okay to use equivalent language when seeking out jobs. Try looking for "product design" or "product management" roles that emphasize technical competency.

Reach out to INCOSE and IISE professional organizations for help. Those organizations exist to represent your skill set to industry. Challenge them to improve recruiter and human resources recognition of the term "Systems Engineer".