SAN FRANCISCO — Before the pandemic, Roya Joseph’s days at the office were defined by interaction. She looked forward to casual conversations with co-workers, mentorship sessions with managers and periodic, freewheeling chats — known as “teatime” — in the office kitchen.All that was swept away when Ms. Joseph, a water engineer for Black & Veatch, an engineering firm, was sent home from her Walnut Creek, Calif., office along with the rest of her colleagues as the coronavirus began spreading through the United States last year. She jumped at the opportunity to return when her office reopened to some employees in June.But …
