Common Pentesting Certifications to consider:
- Certified Ethical Hacker
- Comptia PenTest+
- Offensive Security Certified Professional
- GIAC Penetration Tester (GPEN) certification
- Offensive Security Certified Expert
- GIAC Exploit Researcher and Advanced Penetration Tester
- GIAC Web Application Penetration Tester
- eLearn Security Web Application Penetration Testing
- Offensive Security Web Expert
- Offensive Security Wireless Professional
- GIAC Assessing and Auditing Wireless Networks
- Mobile Application Security and Penetration Testing
- GIAC Mobile Device Security Analyst
This is a fairly comprehensive list of certifications that might get you past an automated CV filter for a recruiter or hiring manager.
Remember that there are many other ways to gain a role, and that certifications demonstrate your ability to gain certifications not necessarily uour capacity to undertake the tasks of a pentester.