IN THIS GUIDE · Let the credential rule, not the licence, decide the engineer's file
Start with the TN eligibility and application overview
Match the position before matching the person
Priya's degree settles her qualification quickly. The harder half is the position. If the U.S. role is written as "mine planning engineer" with duties in pit design, scheduling and reconciliation, it is engineering. If the same letter describes shift supervision of haul-truck crews with engineering as a secondary duty, the officer can conclude the job is not a professional one. Ask the employer to write the letter from the actual duties, then check the result against the profession's plain meaning rather than the title. An opening review yields a duty comparison rather than a prediction. Put the proposed responsibilities beside the ordinary work of the listed profession and mark duties that belong to operations, sales, or people management. If the non-professional duties dominate, changing the title will not solve the evidence problem.
Decide which credential branch you are using
The Engineer entry in Appendix 2 accepts a baccalaureate or licenciatura degree, or a state or provincial licence. Priya can rely on either, but she should present one clearly and carry the other as support. The degree needs the transcript and diploma; the licence needs the current registration certificate. If the U.S. state requires its own licence to practise, that is a separate professional-regulation question and does not change TN eligibility, though the employer should confirm she can lawfully do the work. Choose the credential route before requesting records. An official transcript may settle a degree route, while a current regulator record may settle a licence route. Asking for both at the last minute can create inconsistent dates or incomplete records that distract from an otherwise straightforward application.
Keep the employment relationship on the right side of the rule
TN does not permit self-employment in the United States. Priya must be employed by the U.S. operator or by a Canadian firm that contracts with it, and the letter must show who pays and directs her. If the Logan Lake contractor will second her under a services agreement, the letter comes from the contractor and attaches the agreement. Any ownership stake she holds in either company must be disclosed so the officer can see she is not effectively working for herself. The services agreement should identify the work product, the contracting entities, and who has authority to supervise Priya. That document is especially useful where the Canadian firm pays her while a U.S. client receives the work. It answers the practical control question without inventing an employment relationship.
Sequence the port-of-entry application
As a Canadian citizen Priya needs no visa stamp. She applies at a port of entry or preclearance with proof of citizenship, the employer letter, transcripts, licence and any credential evaluation, and pays the fee listed on the USCIS schedule. She should not resign or sell property before an admission. Alternatively the employer may file Form I-129 with USCIS in advance; that route takes longer but produces an approval notice she can carry to the border. Keep a final version of every document used at inspection, including the signed letter and supporting agreement. If the start date, worksite, or employer changes later, assess the change before treating the earlier package as current. A carefully assembled file is only useful while it describes the actual assignment.
Sources reviewed 2026-09-07. This guide covers a preparation focus; it is not an individual eligibility assessment.