@prinmel,
Disagree Prin with both Roger and your spouse. As Mame says it's fine
Just for fun though I herewith offer only the most minor of crits
After more than ten years' experience in administrative positions I am well versed in your requirements. Impeccably honest, reliable, and maintaining a professional attitude I am also a veteran of general office duties: Amiable and courteous oversight of multi-line phones; efficient record and data management and maintenance; punctual shipping and receiving; prudent supply stocking; expedient scheduling and mail processing.
I am proficient in the Microsoft Office Suite and skilled in customer service like client communications and problem solving, especially gifted in relationship building. I am a strong planner who readily adapts to change, works independently, exceeds expectations and is always willing to learn new and better ways. I'm known for a “can-do” attitude, the "go-to" person demonstrating flexibility and delivering quality results.
Mel, it's only a quickie and doubtless you can improve it greatly, eg choose better adjectives, but as I said your original is okay