Agencies are usually looking for qualified SEO specialists to work on client's websites, but the duties can vary. Large agencies may assign an employee only one or two specific tasks, while smaller agencies can have an employee handle entire sites. It's more common, however, to have someone handle specific tasks so they can become very efficient in their area.
If you're considering a job in the SEO field, you will need skills in auditing a website using programs like SEMRush or Ahrefs, keyword research, on-site optimization, content writing and marketing skills and link building. Agencies also want to see job candidates have a familiarity with Google Analytics and white hat SEO.
Soft skills necessary to enter the SEO field include excellent communication and research skills. If you have to speak with clients, you want to come off as a true professional. You may also need to do research into the client's industry and competitors.
SEO specialists also work with developers, so the ability to work on a team is important. You may need a developer to make a site responsive for a client or make it load faster. It's helpful if you know how to do this yourself, although it's rarely part of an SEO specialist's job.
SEO specialists have to understand e-commerce and local SEO too. Each has its own required skills, such as writing unique product descriptions and citation building. You may apply at an agency that offers global SEO, which is more difficult than national SEO, as you must understand the keywords and phrases people in multiple countries use to search for a specific product or service.
The best thing you can do is to polish your skills in every aspect of SEO. Even if the job does not require you to perform specific tasks, knowing how to do them well can help qualify you for a supervisory position one day. For more information click here https://www.reddit.com/r/SEO/comments/ml7tkq/inhouseseoshowdoesyoureverydaydayweek_look/.