A Scrum Master is a key member of an Agile development team responsible for guiding and coaching the team in Scrum practices and principles. The job description of a Scrum Master typically includes the following responsibilities:

1. Facilitating the Scrum process: The Scrum Master is responsible for facilitating the Scrum process, including daily stand-up meetings, sprint planning, sprint review, and sprint retrospective meetings.

2. Removing obstacles: The Scrum Master must work to remove any obstacles that prevent the team from achieving their goals, including issues related to team dynamics, resources, or external dependencies.

3. Coaching the team: The Scrum Master must coach and mentor the team members to help them understand and implement Agile practices and principles, as well as facilitate their growth and development.

4. Supporting the product owner: The Scrum Master must support the product owner in managing the product backlog, ensuring that it is prioritized and refined appropriately.

5. Managing team dynamics: The Scrum Master must help manage team dynamics, ensuring that team members work collaboratively and effectively together.

6. Facilitating continuous improvement: The Scrum Master must facilitate continuous improvement of the team, processes, and practices, helping the team to identify areas for improvement and implementing changes to improve efficiency and productivity.

7. Providing transparency: The Scrum Master must provide transparency into the team's progress, both to the team itself and to stakeholders outside of the team.

To be successful in this role, a Scrum Master should have strong leadership, communication, and facilitation skills, as well as a deep understanding of Agile principles and Scrum methodology. A Bachelor's degree in Computer Science or a related field is typically required, along with several years of experience working in Agile development environments as a Scrum Master or Agile Coach. Scrum Master certification, such as Certified ScrumMaster (CSM) or Professional Scrum Master (PSM), is also preferred.