noun
recruitment advertisement; job ad; help-wanted ad
Refers to a public notice seeking applicants for employment, such as a newspaper ad, online posting, or flyer.
新聞の募集広告を見て応募した。
I applied after seeing a recruitment advertisement in the newspaper.
会社はウェブサイトに募集広告を掲載した。
The company posted a job ad on its website.
Almost synonymous; 求人広告 is slightly more common in modern business contexts, while 募集広告 is a broader term that can also apply to non-employment recruitment (e.g., volunteers, students).
Compound of 募集 (ぼしゅう, 'recruitment') and 広告 (こうこく, 'advertisement').