A certification like Certified Ethical Hacker (CEH) will definitely help. CEH is an unbiased credential and generally, CEH certified ethical hackers are in high demand. According to PayScale, a CEH certified ethical hacker earns around $88,000 per annum. Apart from CEH, there are a few other noteworthy certifications that prove your skill as an ethical hacker for example:
SANS GIAC certification
Certified Vulnerability Assessor (CVA)
Certified Professional Ethical Hacker (CPEN)
Certified Penetration Testing Engineer (CPTE)
You need to have a look at these certifications and the things that it would require for getting certified.
Source : https://www.edureka.co/blog/how-to-become-an-ethical-hacker/