المميزات في اعلان الوظيفة.

It can work as either, depending on context.

• As a heading or label, it means something like the benefits in the job advertisement.
• As a short verbless sentence, it can mean the benefits are in the job advertisement.

Arabic often leaves out the present-tense verb is/are, so a structure like this is very normal.

In Arabic, especially in the present tense, is/are is usually not stated.

So:

• المميزات في إعلان الوظيفة
  can literally be understood as
• The benefits [are] in the job advertisement

English needs are, but Arabic usually does not.

Here المميزات means advantages, benefits, good points, or features.

In the context of a job ad, English speakers would often translate it as:

• benefits
• perks
• advantages

The singular is ميزة, meaning an advantage or a feature.

A useful extra note: in more formal Arabic, another common plural is مزايا. But مميزات is very common and easy to understand.

A good Egyptian-style pronunciation is:

el-momayyizaat fi eʿlaan el-waziifa

A few notes:

• ال is usually pronounced el- in Egyptian.
• مميزات sounds like momayyizaat
• في sounds like fi
• إعلان often sounds like eʿlaan
• الوظيفة is often pronounced close to el-waziifa

You do not need to pronounce it in a super-formal way to be understood.

This is an idafa structure, often called a possessive or of-phrase structure.

So:

• إعلان الوظيفة = the advertisement of the job = the job advertisement

In Arabic idafa:

• the first noun usually does not take ال
• the second noun can make the whole phrase definite

So:

• إعلان وظيفة = a job advertisement
• إعلان الوظيفة = the job advertisement

That is why إعلان appears without ال here.

Yes. In standard spelling, it should be إعلان.

Writing اعلان without the hamza is very common in:

• informal typing
• text messages
• social media
• casual online Arabic

So this spelling is common, but the more standard spelling is إعلان.

في means in.

So the phrase is literally:

• the benefits in the job advertisement

In English, we might sometimes say in the ad or on the ad, but Arabic normally uses في for this kind of meaning.

It is understandable in Egyptian, but it leans a bit neutral/formal rather than strongly colloquial.

Why?

• إعلان is used in both Standard Arabic and Egyptian.
• وظيفة is perfectly normal, but it sounds a bit more formal than very everyday Egyptian words like شغل.

A more everyday Egyptian version might be:

• المميزات في إعلان الشغل

But المميزات في إعلان الوظيفة is still completely natural and clear.

Yes. The letter ع is one of the sounds English speakers often find difficult.

In إعلان, the ع is a deep throat sound, often written in transliteration as ʿ.

So:

• إعلان = eʿlaan or iʿlaan

You do not need perfect pronunciation at first. If you say something close to e-laan, people may still understand you, but learning the ع sound will make your Arabic much better over time.

Yes, depending on exactly what you want to say.

Some natural alternatives are:

• مميزات الوظيفة = the job’s benefits / job benefits
• المميزات موجودة في إعلان الوظيفة = the benefits are موجودة in the job ad
• في إعلان الوظيفة فيه المميزات = the job ad contains the benefits / the benefits are in the job ad

So your original phrase is fine, but Arabic gives you several natural ways to express the same idea.