Looks like Jet2 will deploy similar handling to its Scottish and NCL bases. passenger interaction points will be employees employed directly by Jet2.com.
dispatchers
cabin crew
passenger services
below wing (baggage sortation and ramp) will be outsourced) to a 3rd party handling agent which makes sense as it is only a 3/4 aircraft base initially so the numbers aren’t there for it to work as a fully self handled base. If they grow to say 7 aircraft then I can see them take it all in house maybe within a few years. This will depend on how their relationship is with whoever the handling agent is.