Job Description for a Sustainable Supply Chain Manager

Develop a detailed job description for a sustainable supply chain manager that includes the following components: job summary, key responsibilities, required skills, preferred qualifications, and performance metrics. Consider the following assumptions and metrics:
- The organization is committed to reducing its environmental impact and improving social responsibility across its supply chain.
- The sustainable supply chain manager will be responsible for developing and implementing sustainability initiatives, collaborating with suppliers and stakeholders, and analyzing environmental impact.
- The organization is seeking a candidate with 3-5 years of experience in supply chain management, a background in sustainability or environmental management, and knowledge of industry best practices.
- The sustainable supply chain manager will report to the director of global supply chain operations and will be responsible for managing a team of 2-3 sustainability analysts.
- The performance metrics for this role include reduction of greenhouse gas emissions by 15% within the next 12 months, improvement of supplier diversity by 20%, and maintenance of a 95% customer satisfaction rate.

This job description should highlight the key responsibilities and skills required for a successful sustainable supply chain manager, as well as opportunities for professional growth and development.