The key question is whether qualifying professional employment is actually prearranged, not simply hoped for. Ask counsel to assess the conditional offer and the institution’s commitments. Canadian or Mexican citizenship and the precise profession’s duties and credentials must also be established.
Identify what is confirmed today
An institution that commits its own funds pending a grant presents different facts from one that will create the position only after an award. Record which arrangement actually exists. Do not invent bridge funding or describe a conditional appointment as unconditional for the sake of a cleaner file.
Work the eligibility questions in an order that lets a bad answer stop you cheaply. Citizenship comes first, because TN is available to Canadian citizens and a permanent resident of Canada is not a Canadian for this purpose; no amount of institutional support cures that. The listed profession and the credentials it prescribes come second, since an occupation absent from the USMCA professional list closes the route however firm the funding becomes.
Only then does the conditional offer matter. Hypothetical example: a medical laboratory technologist spends two months chasing a signed award letter before discovering that the degree being relied on, issued outside Canada, Mexico and the United States, still needs a reliable credential evaluation. Checking in that order costs nothing and prevents effort spent on a question that was never the obstacle.