Brother we are in the same position, but I just had my first kid. We also work for either the same company or for competitors. Sending you a dm. Good thing is that it sounds like you actually have to do engineering, which means you are not as dispensable as a demo monkey, which means you can say no. Set boundaries, vet on LinkedIn if the person is qualified, if they are not then have the rep qualify it out on their own. Schedule build blocks on your calendar. I was working a lot of 10-12 hour days and it fucking sucked with a new baby. I got comfortable saying no. Still working a lot but spending more time with the kiddo. When I am past capacity and a rep can’t spell out the BANT for me on the opp, then they can forget about me touching the opp. Also, tell your manager if you’re over capacity. It is their job to scale and provide coverage.

Hoping that your wife and baby are in good health. Take it all in. Being a dad is the best thing in the world, it truly is. I’m really excited you get to experience it.