I don’t have enough context yet to pinpoint the exact librarian you’re asking about. The McDermott Library could refer to several institutions’ libraries (for example University of Texas at Dallas McDermott Library, or other universities with a McDermott-named library), and the “engineering and computer science” liaison/specialist can change over time. If you can share:

• which university or institution’s McDermott Library you mean, or its city/state
• any additional details (e.g., specific department, building, or the term you’re interested in)

I can provide a precise answer. If you’d like, I can also guide you on where to find the current engineering and computer science librarian at that library’s official staff directory.