Adult Fitness Specialist

Harlem Children's Zone•New York, NY

47d•Onsite

About The Position

Harlem Children’s Zone (HCZ) a world-renowned education and poverty-fighting organization based in New York, seeks an enthusiastic, dedicated, and mission-aligned Activity Specialist – Adult Community Fitness to support our Healthy Harlem programming. The Activity Specialist will bring a passion for the mission of Harlem Children’s Zone: breaking the cycle of intergenerational poverty through comprehensive programming that supports the health and well-being of children, families, and the community. The Evening Adult Community Fitness Activity Specialist will lead high-quality group fitness classes and training sessions for adults ages 25–75, helping community members build strength, improve cardiovascular fitness, reduce stress, and develop sustainable health habits. This role is ideal for a motivational coach who understands how to work with beginner to intermediate adults, modify exercises for different abilities, and create a welcoming environment where participants feel supported and challenged. The Activity Specialist will deliver structured workouts, encourage consistent participation, and help community members build confidence in their fitness journey.

Requirements

High School Diploma or GED required
Nationally recognized fitness certification preferred: NASM, ACE, NSCA, ISSA, ACSM
CPR/AED certification (or willingness to obtain upon hire, we provide certification)
Minimum 2 years of experience leading group fitness or personal training for adults
Experience working with diverse populations in community, gym, or recreation settings
Knowledge of: strength training fundamentals, mobility and injury prevention, cardiovascular conditioning, exercise modifications for different fitness levels
Ability to lead engaging, safe, and inclusive fitness sessions
Ability to maintain the cleanliness of fitness room and equipment
A passionate advocate for community health and wellness
A coach who knows how to motivate adults who may be new to exercise
Comfortable leading groups of 2-20 participants with varying fitness levels
Energetic, positive, and encouraging while maintaining professional structure
Skilled at demonstrating exercises, correcting form, and modifying movements
Committed to creating a welcoming and inclusive fitness environment
Reliable, punctual, and organized in planning fitness sessions
A strong communicator who can build relationships with participants and staff

Nice To Haves

Bachelor’s degree in Exercise Science, Kinesiology, or related field preferred
Saturday (Academic Year): 10am-1pm (preferred but not required)

Responsibilities

Lead adult community fitness classes focused on: Strength training, Functional fitness, Cardiovascular conditioning, Mobility and flexibility, Bodyweight and resistance workouts
Design safe, progressive workouts that can be adapted for different fitness levels
Demonstrate exercises and provide coaching on proper form and technique
Offer modifications for beginners and progressions for advanced participants
Motivate participants to stay engaged and committed to their health goals
Create a supportive and inclusive class environment
Monitor participant safety and ensure exercises are performed properly
Assist with youth after school fitness programming and community wellness initiatives
Collaborate with Healthy Harlem staff to promote participation in fitness programs
Support special events, community health initiatives, and wellness programming