This will be specified in your contract. Depending on the type of job or profession, if the employer requires uniforms they are usually provided by the employer. Most staff are required to wear hospital issued uniforms. Because the staff is multi-national, English is the common work language. All of our jobs require full fluency in English.
Interpreters help in communicating with Saudi clients.
Most Saudi professionals are fluent in both written and spoken English in addition to other languages. However, there will be ample opportunity to learn Arabic. The housing complex is usually close to the work facilities so that you can walk to work. If you are on single status usually you share an apartment with one other person. The apartments are fully furnished including kitchen utensils and bedding.