The best practice is to leave a job posting up for 30 days, she added, although more senior roles may require 60 to 90 days. Catch up on CNBC Select's in-depth coverage of credit cards, banking and ...

Using the right sites helps ensure your company’s job ads reach the populations that you want to hire.

Forbes contributors publish independent expert analyses and insights. Caroline Castrillon covers career, entrepreneurship and women at work. Companies touting their “customer-obsessed” mindset often ...