SEIU Local 500 is a progressive labor union, organizing and representing over 20,000 workers in the public service in Maryland and Washington, DC. We are a proud affiliate of Service Employees International Union (SEIU), the fastest-growing union in North America. The Member Strength Organizer (MSO) will work under the Direction of the Director of Representation and/or assigned Lead(s). The MSO performs a wide range of duties including to identify and train leaders and to organize workers of SEIU Local 500 to support our political and worksite goals through executing organizing strategies and tactics that contribute to building a successful and effective organizing program and/or engage and grow the membership. This is a bargaining unit position.