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Business Development Intern

Corestaff Services
Washington, DC Intern
POSTED ON 1/8/2026
AVAILABLE BEFORE 2/6/2026

Corestaff Services is looking for DC RESIDENTS to take part in a 6-month paid green externship working with local contractors and other organizations. This program is for Washington DC residents who has an interest in Sustainability that are new to the workforce, between jobs, or looking for a career change with local contractors, businesses, municipal agencies, and other organizations in the green economy.


Through job skills development, on-the-job training and certifications, direct work experience with mentors, and job placement assistance, this program helps externs discover new careers in sustainability.


Open Position:


The Business Development Intern will assist with identifying new business opportunities, supporting client acquisition, and contributing to overall business growth by performing tasks like market research, lead generation, and outreach. Task examples: updating Salesforce, developing collateral for clients, curating client events, devising outreach campaigns, contributing to proposal responses, vertical market research, and other day to day opportunities.

Salary : $20 - $25

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