Here are a few common job titles in digital marketing:

1. Digital Marketing Manager
2. SEO Manager
3. PPC (Pay-Per-Click) Manager
4. Social Media Manager
5. E-commerce Marketing Manager
6. Content Marketing Manager
7. Email Marketing Manager
8. Influencer Marketing Manager
9. Digital Advertising Manager
10. Analytics Manager
11. Conversion Rate Optimization Manager
12. Marketing Automation Manager
13. Product Marketing Manager (Digital)
14. Growth Marketing Manager
15. Digital Brand Manager
16. Digital Marketing Coordinator
17. Marketing Data Analyst
18. Web Analytics Manager
19. Digital Marketing Director

It's worth noting that the specific responsibilities of a digital marketing professional can vary greatly depending on the organization and the specific role they are in.