This could be tricky. Without knowing more about your corporate firewall, it’s hard to say what options you have.
If you have an HTTP proxy available, there may be an option to use the OpenAPI config options to set that, but you’d have to use the Python client. This post from last year gives an example of doing so using the Python client, but the Node client doesn’t expose those settings so it’s not an option for that one.
Do you have access to any cloud providers to run a VM? That might be your best option if your IT department won’t open access to our services.