I have been working at FAA full-time (More than 3 years)
Flexible work schedule. Work load is great. You are going to have a lot of free time so use it wisely.
Negotiate salary once you get hire otherwise it is hard to get a raise. Also moving up maybe hard as government employees tend stay longer
Advice to Management
I applied online. I interviewed at FAA.
Simple, basic skills related technical questions. Hiring manager wants to know what kinds of skills in the Environmental specific part of the job a candidate has aptitude and/or training and experience in.