You might try slowing down your weight loss goal to 1-1.5 pounds a week. That should adjust your calorie range. If what you are doing now isn't maintainable for the long run, you'll have far more trouble reaching your goal.
If you want to keep your current goal, you might want to switch to the plan has your fitness tracker and nutrition tracker "talk" to one another. Visit this page for more info: www.sparkpeople.com/blog/blog.asp?post=new
Just updating with your job might impact your calorie range.