Word press expert, Very Part Time Website maintenance and support

We are looking for someone who is an expert at web design and functionality, specifically with word press plug ins. We currently use WordPress. We have a locator on our site where you can put in a ZIP Code and it will pull up all of the nursing facilities in a certain geographic area. We had it designed but for some reason it’s not working and we need someone to help us fix it. We are also needing a landing page. We have a few other websites we are working on as well so we anticipate needing quite a bit of work and then help with support and updates as needed . We are only wanting to work with someone who speaks fluent English and who has extensive experience in word press as we will not be able to provide any training related to this role