Assistant Manager, Fitness

St. Louis JCC

St. Louis JCC

Posted on Apr 17, 2026

Assistant Manager, Fitness

Chesterfield, MO 63005

Overview

Position Type
Full Time
Job Shift
Any
Category
Fitness

Description

The Assistant Fitness Manager is a hybrid role that supports fitness facility operations and personal training at the JCC. This position assists in delivering high-quality fitness services, small group classes, fitness programs, and exceptional member experiences by supporting the Fitness Director in team coordination, program enhancements, and facility upkeep. The Assistant Fitness Manager contributes to team success through targeted support in programming, facilities, and staff development, while building a personal training clientele. Once a regular clientele is established, the weekly schedule will consist of 10-15 hours per week in management/administration and 25-30 hours per week training clients and/or small groups.

Assistant Fitness Manager Responsibilities

Programming: 3 hour per week

  • Assist in auditing current fitness programs and planning/implementing new ones, including private personal training and innovative small group signature training, in partnership with the Fitness Manager and Directors of Fitness.
    • 30 minutes/weekly (part of a 90 minute weekly fitness leadership meeting)
  • Meet regularly with leadership and supervised staff to review developed programming and promotional updates, discuss implementation strategies, and evaluate ongoing reviews for effectiveness.
    • 30 minutes/weekly (part of a 90 minute weekly fitness leadership meeting)
  • Support member engagement by promoting programs and responding promptly to client inquiries and needs to enhance overall experience.
    • 2 hours weekly

Facilities Supervision: 2 hours per week

  • Provide direct oversight of the cleanliness of fitness facilities and maintenance of fitness equipment, ensuring safety and quality standards.
    • 30 minutes daily, 2.5 hours/weekly
  • Help coordinate and maintain a cleaning/maintenance schedule, including assignments to fitness staff and desk staff for execution.
    • 1 hour/weekly
  • Hold regular weekly meetings with leadership to review facility status and create action plans for improvements, including recommendations for equipment service or replacement.
    • 30 minutes/weekly (part of a 90 minute weekly fitness leadership meeting)

Staff/Personnel: 5 hours weekly

  • Assist in coaching fitness staff as needed, providing support during onboarding skill-building sessions and help deliver feedback on job performance to fitness staff, contributing to clear expectations and accountability.
    • 1.5 hours/weekly
  • Assign new client opportunities to fitness staff based on member inquiries, aligning with staff skills and specialties to support business growth.
    • 2 hours weekly
  • Assist in auditing and approving training staff payroll twice per month, ensuring accuracy and compliance.
    • 1.5 hours weekly, or 3 hours every other week

Personal Trainer Responsibilities: 20-30 hours per week

  • Drive revenue and personal business by actively seeking prospective clients, upselling services, and ensuring strong client retention. Coordinate communication to schedule and confirm appointments and continuously build a client book to meet or exceed revenue goals.
  • Promote personal training services, fitness programs, group exercise, and other programs relevant to members’ needs. Present the benefits of personal training to all members, demonstrating the value of programs and promotions.
  • Develop and administer safe, effective, and goal-oriented fitness programs approved by the J and/or nationally recognized certification agencies.
  • Conduct fitness assessments and health screenings for new and existing clients and assign new clients to training staff.
  • Demonstrate proper exercise techniques, equipment uses, and safe movement patterns.
  • Provide clear instruction, encouragement, and motivation to help clients stay on track with their goals.
  • Assist in maintenance of accurate and up-to-date client records, including client workout plans, progress notes, program evaluations, departmental performance metrics, and staff certification information

Qualifications

  • Bachelor’s degree in Exercise Science, Kinesiology, Physical Education, or a related field (preferred)
  • Certified Personal Trainer or Group Fitness Instructor (e.g., ACSM, ACE, NASM, NSCA)
  • Minimum 1 year of experience in fitness programming or personal training, with some exposure to staff support
  • Strong organizational and customer service skills
  • Ability to motivate and support staff and members
  • Excellent communication and interpersonal skills
  • Experience with fitness industry member management software preferred, with demonstrated ability to learn new applications
  • Proficiency in Microsoft Office Suite (Word, Excel, PowerPoint, Outlook)
  • Basic knowledge of fitness equipment, service, and maintenance
  • Strong written and verbal communication skills
  • Current American Red Cross CPR/First Aid/AED for Professional Rescuer certification (training provided if expired)
  • Ability to work a flexible schedule, including evenings and weekends
  • Physically able to bend, stoop, carry, and lift up to 50 lbs. and assist with heavier lifts as needed
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