Read the general professional work overview
Hypothetical example: a Bécancour process engineer holds both a chemical-engineering degree from a Canadian university and full membership in the provincial engineering order. Engineer is listed with either credential, so the file should rely on one and support it completely rather than half-support both. The duties in the offer letter are then tested separately as engineering work, and citizenship, ownership and the entry route are confirmed before travel.
Choose the credential the officer can verify fastest
For a Canadian degree, the transcript and diploma are self-explanatory and need no evaluation. For a provincial licence, the current membership record must show a full licence to practise, not a candidate or junior registration. Where both are available, the degree usually reads more cleanly because it has no renewal date and no practice restrictions. Where the degree is from outside North America, the licence route avoids the credential evaluation that the regulation would otherwise require. Decide which route the file takes, put that record first and keep the other as supporting material. Presenting both as equally relied upon invites an officer to test each and find a gap in one.
Make the offer letter describe engineering
The letter should list deliverables a practising engineer would recognize: process design packages, hazard studies, equipment specifications, commissioning procedures, technical sign-off. It should name the standards and software used and identify the supervising engineer. Titles such as process lead or project coordinator, and duties dominated by contractor scheduling, purchasing or cost reporting, weaken the case even where the person is a licensed engineer. Ask the employer to state the proportion of time on engineering tasks if the role is mixed. The letter must also give the duration of the engagement, the salary and the fact that the position is temporary, and it must match any services agreement with a plant owner where the work is performed.
Close the file with citizenship, ownership and route
Confirm Canadian or Mexican citizenship with a passport; permanent residence is irrelevant to TN. Ask directly whether the engineer holds or will receive any equity in the U.S. employer, since a controlling stake is treated as prohibited self-employment and even a small interest should be disclosed. Choose the entry route: a Canadian citizen may present the file at a port of entry, which is fast, or the employer may file Form I-129, which suits employers who want a decision before the person travels. Prepare the family's TD documents at the same time, noting that TD permits study but not work. Carry originals and certified translations of any French record, and keep the whole file together for every later renewal.
What else is on your mind?
Is a matching job title enough for TN?Can years of experience replace a degree for TN?Can my own U.S. company employ me under TN?Can my spouse work if I hold TN status?Editorial source review: 2026-09-07. General preparation guidance, not an individual assessment.