You can go to major communication research institutes, such as the former Institute of Telecommunications of the Ministry of Information Industry.

There are several options:

1, major operators (mobile, telecom, Unicom), such as project management, equipment and line maintenance, finance, marketing, technical support, etc.

2. Communication equipment manufacturers (Huawei, oppo), R&D and project management.

3. Continue to study PhD and stay in school to teach.