The warehousing business is booming as e-commerce sales climb, but many of these sprawling facilities face a challenge after their walls are erected: staffing shortages.

According to the Bureau of Labor Statistics’ most recent data, 392,000 jobs were open in the warehousing and transportation industries in June, up by 87,000 from a year earlier. High demand from e-commerce, more so than labor availability, is driving the need, Rick Hermanns, the CEO at staffing and talent management firm HireQuest, told Business Insider.

Warehouse employers must find new ways to attract and retain employees — or risk falling behind in fulfillment. One…