The local job market is getting a major boost as hundreds of new positions are coming to Dauphin County.  Those jobs will be at a new Comcast customer support center in Susquehanna Township.  Employees will provide support for all Comcast residential products and services.  They will handle calls from customers in 14 northeastern states.  The state of the art facility will be the sixth that Comcast operates in Pennsylvania.  The company is looking to hire 425 people.  Comcast will begin advertising and posting the new positions next week.  The facility is set to open some time this summer.