Group Fitness Instructor

Mountainside Fitness; Gilbert (AZ); On-site; USD 19,000 - 30,000; Full time

Job summary

Mountainside Fitness in Gilbert, AZ is seeking a full-time Group Fitness Instructor. You will plan and lead engaging group classes for members of various fitness levels, demonstrate techniques, and provide modifications while ensuring safety and inclusivity.

Responsibilities include welcoming participants, answering questions, maintaining studio cleanliness, and coordinating with staff to promote classes and support member satisfaction and retention.

Qualifications

• Group fitness expertise and ability to lead safe, engaging classes.
• Experience in fitness industry and personal training to support varied goals.
• Strong customer service to foster an inclusive class environment.
• Nationally recognized group fitness or PT certification (ACE/AFAA/NASM/ACSM) and CPR/AED.
• Ability to coach form, provide modifications, and manage group dynamics safely.
• Reliable, punctual, and flexible schedule including mornings/evenings/weekends.
• Excellent verbal communication and motivational skills.
• Previous group fitness teaching in clubs or studios preferred.

Responsibilities

• Design class formats and lead safe, engaging group sessions.
• Demonstrate techniques, provide modifications, monitor safety.
• Welcome members, answer questions, guide fitness goals.
• Maintain studio cleanliness and set up/store equipment.
• Collaborate with staff to promote classes and support member retention.

Skills

Group fitness

Personal training

Customer service

Certifications: ACE/AFAA/NASM/ACSM

CPR/AED

Communication

Flexible schedule

Class facilitation

Education

Certification: group exercise

Job description

Company Description Mountainside Fitness is Arizona’s #1 fitness club, offering a friendly, community-focused environment built on more than 35 years of family values. With 25 locations across Arizona, the company provides high-quality group fitness classes, trusted childcare, state-of-the-art equipment, and consistently clean, well-maintained facilities. Members enjoy multi-club access, recovery tools, and over 70 group fitness classes each week, supporting individuals at every stage of their fitness journey. Mountainside Fitness is committed to delivering a luxurious health club experience at an affordable price, helping people move better, feel stronger, and live healthier.

Role Description The Group Fitness Instructor is a full-time, on-site role based at the Mountainside Fitness location in Gilbert, AZ. This role is responsible for planning and leading safe, engaging, and motivating group exercise classes for members of diverse fitness levels and backgrounds. Day-to-day tasks include designing class formats, demonstrating proper technique, providing modifications, and monitoring participant safety throughout each session. The instructor will welcome members to class, answer questions, and offer guidance on fitness goals, ensuring a positive and inclusive environment. Additional responsibilities include maintaining studio cleanliness, setting up and storing equipment, collaborating with club staff to promote classes, and supporting overall member satisfaction and retention.

Qualifications

• Group fitness expertise, including Group Exercise and Fitness Instruction skills, with the ability to lead safe, effective, and engaging classes.
• Experience in the Fitness Industry and Personal Training skills to support members’ varied goals and fitness levels.
• Strong Customer Service skills, with a focus on building positive member relationships and fostering an inclusive, welcoming class environment.
• Nationally recognized group fitness or personal training certification (e.g., ACE, AFAA, NASM, ACSM) and current CPR/AED certification.
• Ability to demonstrate and coach proper exercise form, provide modifications, and manage group dynamics safely and professionally.
• Reliable, punctual, and comfortable working a flexible schedule that may include early mornings, evenings, and weekends.
• Excellent verbal communication skills and the capacity to motivate and encourage individuals and groups.
• Previous experience teaching group fitness classes in a health club or studio setting is strongly preferred.