If you're taking a professional certification, you can also say I'm studying to become…
如果你正在考职业证书，你可以说我在为了成为...学习。
Professional certification
原声例句
牛津大学：雅思外教课
Engvid超级外教Rebecca - 托福雅思托业考试
It's used for admission to universities where English is the medium of instruction, and it's also used for professional certification purposes.
可以用在英语作为教学用语的大学入学考试，可以用在职业证书考试。
《第六声》阅读精选
However, these standards were abolished in 2018 as part of an overall reform of the professional certification sector, and haven't been replaced since.
然而，作为专业认证行业全面改革的一部分，这些标准在2018年被废除，且自那以后一直没有新规替代。
Fastrack雅思口语高分秘籍
It definitely takes time but that's not the end of the way because you also have to get a professional certification and probably do a Ph. D.
这当然需要时间，但这并不是终点，因为你还需要获得专业证书，可能还需要获得博士学位。
Engvid超级外教Rebecca - 托福雅思托业考试
So, it is really important to check: What are the possible exams you could do to satisfy the requirement of your university or your professional certification, body, or whatever reason it is that you're doing this exam?
因此，检查一下非常重要：您可以参加哪些考试来满足您的大学或专业认证、机构的要求，或者您参加此考试的任何原因？
中文百科
专业认证
专业认证（英语：Professional certification, trade certification, or professional designation）或证照是某个具公信力的政府单位、企业、组织以某种标准进行检定通过后颁发给个人以证明其拥有某项技能或者符合担任某种执业资格的文档。
英语百科
Professional certification 专业认证
Professional certification, trade certification, or professional designation, often called simply certification or qualification, is a designation earned by a person to assure qualification to perform a job or task. Not all certifications that use post-nominal letters are an acknowledgement of educational achievement, or an agency appointed to safeguard the public interest.