신입사원 (sinipssawon) means “new employee”

More examples

프로젝트에 신입사원이 배정되었습니다.peu ro jek teu e si nip ssa wo ni pae jeong doe eot sseum ni da

A new employee has been assigned to the project.

A person who has just joined a company and is beginning work there.

신입sinip: A new arrival among a company's employees.
입사자ipssaja: A person whose entry into company employment has been completed.

회사에 새로 들어와서 직원으로 일하기 시작한 사람을 이르는 말.hoe sa e sae ro teu reo wa seo chi gwo neu ro il ha gi si ja kan sa ra meul i reu neun mal

신입 (sinip, "new entrant") combines with 사원 (ssawon, "company employee") to form a word for someone newly entering a company as an employee.

신입 (sinip, "recent joiner") is useful in workplace talk when the context already makes the person's new status clear.