Such opportunity could exist but two prime reasons may be behind the lack of replies. First, FlyerTalk is not primarily a job seeking site but a travel loyalty program information and travel discussion site. Second, and even more importantly, the airline industry, as I'm sure you're aware, is in an unprecedented state of upheaval. The Q. is not which airlines might be hiring for the summer but which might still exist through the summer and which of those would have the fewest layoffs of current hires. You might be better off by just contacting carriers directly you would consider but expect a really uphill struggle.