After-School Activity Leader — Arts & STEM

New York Junior Tennis League, Inc; New York (NY); On-site; USD 29,000 - 34,000; Part time

Job summary

New York Junior Tennis League, Inc. is seeking an Activity Specialist for after-school programs across NYC sites. The role focuses on leading project-based activities in arts, STEM, sports, or leadership to support positive youth development.

Schedule is Monday–Friday, 2:00pm–6:00pm, up to 20 hours per week, through the school year. Candidates must have strong communication skills and prior work with youth in group settings.

Qualifications

• Available during after-school hours 2:00pm–6:00pm, 20 hours/week.
• High school diploma or GED.
• 2+ years' experience working with children or youth in group settings.
• Ability to plan structured activities and manage a group independently.
• Strong communication and interpersonal skills.
• Preferred: some college coursework or degree in related field; DYCD experience.

Responsibilities

• Design and implement sequential, project-based units and lesson plans in assigned specialty area.
• Align activities with program goals, youth interests, and DYCD/COMPASS-SONYC frameworks.
• Integrate social-emotional learning, teamwork, and youth leadership opportunities into activities.
• Prepare materials and supplies in advance; maintain an organized, safe activity space.
• Lead engaging, hands-on sessions that are inclusive and differentiated for various skill and grade levels.
• Establish clear expectations, routines, and positive behavior supports.
• Build strong relationships with youth; encourage participation, creativity, and persistence.
• Adapt activities as needed based on student responses, behavior, and feedback.
• Collaborate with Group Leaders, Tutors, and site leadership to coordinate schedules and support youth needs.
• Participate in staff meetings, trainings, and planning sessions.
• Share progress, challenges, and recommendations for program improvement with supervisors.
• Ensure youth safety and supervision at all times, following agency and DYCD policies.
• Assist with attendance, sign-in/out, and other basic documentation as required.
• Care for and inventory program equipment and supplies related to the specialty area.

Skills

Communication skills

Interpersonal skills

Experience with children

Education

High school diploma or GED

Some college coursework or degree in Education, Arts, Recreation, Youth Development, or related field

Job description

New York Junior Tennis League, Inc. is seeking an Activity Specialist for after-school programs across NYC sites. The role focuses on leading project-based activities in arts, STEM, sports, or leadership to support positive youth development.

Schedule is Monday–Friday, 2:00pm–6:00pm, up to 20 hours per week, through the school year. Candidates must have strong communication skills and prior work with youth in group settings.