They recruit workers. They help employees navigate often-complicated benefits and compensation packages. They handle office disputes.

Human resources specialist jobs are the fastest-growing in Washington state, according to a study by blog Commercial Café. Over the past 10 years, the number of such jobs has skyrocketed a staggering 347%.

Thirty-five percent of all employees in the state work in “business.” Almost 19% are employed in the industrial sector, 12.9% in health care and 5.1% in information technology.

Slightly more than 9.1 percent work in the hospitality industry, a number likely to grow as the region continues to set records for tourism and convention business.