Biblical Perspectives on a Christian’s Service in War
The Journal of Faith and War has a long and interesting treatise on the Biblical perspective on Christians serving during wartime.
The article covers pacifism, the Bible’s take on military service, and other angles on what is sometimes a controversial topic.
Even if you don’t find a conflict between your faith and your profession, you should still be able to articulate why you do not feel there is a conflict. The JFW article provides an excellent starting point.