I understand how that could be a major maintenance nightmare, but to make it easier in the field I was going to use access panels as a work platform
Well with work platforms it will be just a little less nightmare.
Jet engine is a very delicate thing, even soviets ones, they need constant maintenance. Technical inspection after every flight and big checkup after some time. Engine is remove, ride on special platform to workshop and then mechanic show them some love.
In your case ... that will be nightmare, you will need special crane to remove engine. All this procedure will be unnecessarily complex and time consuming.
And just one more thing ... If you think that this is souch good idea ... why there is absolutely not a single plane with that kind of engine setup ?
In other hand, you can make that plane this way but you will walk away from realism to comix zone.