And nice, high-backed office chairs. And dual monitors for each workstation, with the computation hardware refreshed at least every three years--to include a real graphics card, that actually works with virtualization, because of 3D mapping.
And the kitchenettes should also be enclosed in their own rooms, so microwaved fish or broccoli smells don't permeate all the offices at lunch time. Not that I definitely know that's a thing that actually happens, but I imagine that if it did, if might break a software developer's concentration. Every. Danged. Time.
For national security!
Should probably recommend these "critical security precautions" to all of our allies, too. And potential allies. And probably the adversaries will copy them, but not much we can do about that.
~