RF and Optical Transport Engineers?

Hello,
First of all, I would like to thank you for your interest in the career opportunities available at Nokia.
Every year there are many Network & Software Engineers who start their journey at Nokia. I suggest you review the following link where you can find many job opportunities:
https://www.nokia.com/about-us/careers/
After that, you can apply to any open position, which best aligns with your education, experience, and qualifications.
Do not forget that previous experience is a very good asset and is of particular importance in a new career. Overall, Nokia is a good place for tech people and especially engineers.