Innovative nonprofits around the country are seeking talented and experienced individuals to help tackle some of the nation’s toughest challenges, according to Commongood Careers, a Boston-based search firm that specializes in working with social entrepreneurs.

College Summit, which has a proven model for increasing college admission rates, is seeking a director to manage school partnerships in Miami. Kiva, the pioneering peer-to-peer microfinance organization, is looking for a general counsel. And SeaChange Capital Partners, founded by former Wall Street executives who themselves are in their encore careers, is seeking support staff as it works toward its goal of directing $100 million in “growth capital” to high-performing non-profits in the next three years.