If you have a minimum Grade 10 (Secondary III in Quebec) education, you can join the Canadian Navy as a technician or as an operator.
Here are the technician trades you can join:
┬╖ Naval Weapons Technician
┬╖ Naval Electronic Technician (Sonar)
┬╖ Naval Electronics Technician
(Communications)
┬╖ Naval Electronics Technician (Radar)
┬╖ Marine Engineering Mechanic
┬╖ Hull Technician
┬╖ Marine Electrician
Here are the operator trades you can also join:
┬╖ Boatswain
┬╖ Naval Combat Information Operator
┬╖ Naval Electronic Sensor Operator
┬╖ Naval Communicator
┬╖ Sonar Operator
┬╖ Steward
The higher your education level, the more options are open to you, so you are encouraged to take advantage of the Canadian Forces subsidized post-secondary education plans.