지원하다 [ji wun ha da] = 1. to support 2. to apply for (a job)

귀사에 인턴직으로 지원하고 싶습니다.

gwi sa e in tun jik eu ro ji wun ha go ship seup ni da.

= I would like to apply for an internship at your company.

https://www.learnwitholiver.com/korean/daily-sentence-2271