Amgen has a management style to periodically purge the organization and let go several hundred people.
Beware of managers coming from Amgen to your organization.
No faith in site or corporate leadership to do the right thing anymore. Nowadays it's all about profits, driven by cutting costs (usually headcount) and finding ways to do more tasks with less people. Burnout has been gradually whittling away at the experienced technicians; when one leaves to another company or position, it's a coin toss as to whether or not their position will be backfilled.