Part of my regular duties, in all the positions I've held since college, has been to create documentation for various projects and systems. Because of this, I've become quite adept at writing technically-oriented papers for a broad range of audiences. It also helps that I had a very strong foundation in writing coming out of high school, mostly due to the fact that my mother was (and still is) a college English professor.

I've had two articles published in SysAdmin magazine, the second co-authered with a coworker at the time, Dana Lee.
   SysAdmin, Vol 8 No 2 pp 55-58 Network Monitoring
   SysAdmin, Vol 8 No 7 pp 35-39 SAs and DBAs - Interactions Across Traditional Lines of Responsibility

I've also written multiple user and administrator guides, available on my documentation page. I've also co-authored the Realm Kit for Red Hat Linux User's Guide.