Meh ... Not Good, Not Bad
While you're not completely smitten with your current job, you're not ready for a breakup, either. There are certain aspects of your position that are really great and a few aspects that could use a little improvement. Consider why you feel this way, what could be improved, and what you can do to feel more at ease. You may want to take some leadership or team building courses to enhance how you fit within your organization.
It's also import to keep your resume, skills, and abilities up to snuff so that if worse comes to worse, you'll be ready for a new challenge and a new position. It never hurts to keep your options open! Prepare yourself with a career development course!