Verbseoul.
하다 verb
근무하다geunmuhadato work (as a career for a person)

To say to work (as a career for a person) politely in the present tense, use 근무해요 (geun-moo-hae-yoh). Below is the full conjugation of 근무하다 across the three tenses and three everyday speech levels.

Conjugation table

TenseCasual (반말)Polite (요)Formal (합니다)
Present
근무해
geun-moo-hae
근무해요
geun-moo-hae-yoh
근무합니다
geun-moo-hahm-nee-dah
Past
근무했어
geun-moo-hae-ssuh
근무했어요
geun-moo-hae-ssuh-yoh
근무했습니다
geun-moo-hae-sseum-nee-dah
Future
근무할 거야
geun-moo-hahl- -guh-yah
근무할 거예요
geun-moo-hahl- -guh-yae-yoh
근무할 겁니다
geun-moo-hahl- -guhm-nee-dah

Other useful forms

Command Polite (세요)
근무하세요
geun-moo-hah-sae-yoh
Suggestion / Let's Polite (요)
근무해요
geun-moo-hae-yoh
Question Polite (요)
근무해요?
geun-moo-hae-yoh-?
Connective “and” — (고)
근무하고
geun-moo-hah-goh
Conditional “if” — (면)
근무하면
geun-moo-hah-myuhn
Noun form — (기)
근무함
geun-moo-hahm