noun

die Ausschreibung, -en

tender

Ein Verfahren, bei dem eine Organisation öffentlich bekannt gibt, dass sie eine bestimmte Arbeit, Lieferung oder Dienstleistung vergeben möchte, und Interessierte dazu einlädt, Angebote abzugeben.

Meaning in English

Call for tenders / invitation to bid: An official announcement that a contract, project, or service is open for bids, and interested parties are invited to submit offers (Angebote).
Job posting / vacancy announcement: An official advertisement that a position is open and applications are invited.

Typical contexts: public procurement, construction projects, services, and HR/recruiting.

Word parts (composition)

aus-: prefix meaning “out” or “outwards,” often implying making something public or available.
schreiben: “to write”
-ung: noun-forming suffix indicating the result/process of an action

Literally: something like “the act/result of writing out (publicly).”

German synonyms

Depending on meaning:

For “call for tenders / invitation to bid”:

Vergabe (often in the sense of awarding/contracts; related procurement term)
Aufforderung zur Angebotsabgabe (formal: request to submit an offer)
Einladung zur Angebotsabgabe (invitation to submit an offer)
Tender (loanword, especially in business contexts)

For “job posting”:

Stellenausschreibung (very common, more specific)
Stellenanzeige (job advertisement)
Jobangebot (less formal)

German antonyms (where applicable)

Not strict opposites in all contexts, but commonly contrasting terms:

For tenders: Direktvergabe (direct award without open tender), Vergabe ohne Ausschreibung
For jobs: Einstellungsstopp (hiring freeze), Stellenabbau (job cuts)

Notes on usage

Common collocations: öffentliche Ausschreibung (public tender), Ausschreibung veröffentlichen (publish a tender/job ad), an einer Ausschreibung teilnehmen (take part in a tender).