Please put your resume in this envelope and submit it to the HR department.

Literal

Resume [topic-は] this envelope [to-に] put HR-department [to-に] submit please.

履歴書 (resume/CV) is essential job-hunting vocabulary. 人事部 (HR department) = 人事 (personnel affairs) + 部 (department). に入れて (put in) + に提出して (submit to) chains two actions with て.