Pittsburgh, PA — choose your own hours Upshift is hiring Banquet Servers for catered events at Pittsburgh museums and science centers, plus hotels and event venues across the city — full crews needed on several dates in the next few weeks. About Upshift Upshift is the employer of record for more than 200,000 Upshifters working shifts at hotels, restaurants, stadiums, universities and warehouses; Upshifters rate us 9.2/10.