No. TD does not authorize employment performed from inside the United States, even when the spouse logs into a Canadian employer’s systems and remains on Canadian payroll.
Test the household work plan by physical location
Write down where the spouse would be when carrying out the job, rather than using the employer’s address as the work location. Identify any assumed earnings in the relocation budget that depend on U.S.-performed services. TD is available to a qualifying spouse or unmarried child under 21, but it gives neither person employment authorization. If continuing the job is essential, have an appropriate separate status or work basis assessed on the real facts; being married to a TN professional does not establish that eligibility. Keep an employer’s remote-work approval separate from the immigration assessment before committing to the household schedule.
A household weighing an offer that already carries structural uncertainty should know both facts at once, since together they describe a move where one income is conditional on an unresolved question and the other is not authorised at all.