Yes you can apply for jobs in  aBoard after completing Bachelor of Science cardiac Technology. Mentioned below are the name of the job profiles for which you can apply:

1. Senior cardiac technician
2. Non invasive Cardiac technician
3. Cardiac anaesthesia technician
4. Medical coder
5. Cardiac MRI technician

You need to clear or pass IELTS and have to complete higher degrees such as MSc and PhD from the colleges or Universities of the country in which you are interested for studying and working.

Read more:

https://www.google.com/url?sa=t&source=web&rct=j&url=https://www.careers360.com/courses/bsc-cardiac-technology/amp&ved=2ahUKEwjCxpXj-pT3AhVbwjgGHTGsAmMQFnoECBAQAQ&usg=AOvVaw1dQgvhZr-UKGOAAg3nYoKN