Maintain & Upgrade WordPress Divi Websites

We need someone to contact when our websites are not working, or need complicated updates, or when some technical Domain or Server change is needed. We have simple sites, https://www.ocdcoachingvideos.com/, and https://www.lightenyourway.com/ – hosted on SiteGround, domains registered on A2Hosting.
This job will be as needed, ongoing. Our current web designer has been great for 4 years of intermittent help, but lately has gotten too busy to help us.
Short term, I would love to find a WP Divi EXPERT, to help with a few challenges, possibly review the sites for any problems.
Thank you!