A Seaway job typically involves working on or around major waterways, such as the St. Lawrence Seaway, which facilitates commercial shipping. Roles can include vessel crew members, dock workers, marine engineers, and logistics coordinators. Responsibilities vary but often include ensuring safe passage of ships, maintaining infrastructure, and handling cargo operations. These jobs require maritime knowledge, safety training, and sometimes certifications like a Transportation Worker Identification Credential (TWIC). Seaway jobs are crucial for global trade and transportation industries.