FITNESS TRAINER INTERN – FAIRFAX VA

SixFour3; Fairfax (VA); On-site; USD 12,000 - 15,000; Full time

Benefits offered by this job

Mentorship from lead strength coach

Paid internship

Job summary

SixFour3 is a female‑focused sports performance brand seeking a paid Strength & Conditioning Coaching Intern. This hands‑on role invites kinesiology or exercise science students or recent grads to coach on the floor and learn programming under our director of training.

You will earn $300/week for 12 weeks (up to 10 hours/week), with mentorship and opportunities to contribute to athlete development and program growth as the studio expands.

Qualifications

• Kinesiology or related field student or recent graduate.
• No years of coaching experience required.
• Dependable, confident, and coachable.
• Comfortable talking to teenage athletes.
• Strong foundation in strength training and exercise technique.

Responsibilities

• Coaching live sessions under supervision.
• Learning coaching and programming from the director of training.
• Maintaining workspace and assisting with outreach and athlete development.
• Hands-on coaching on the floor to gain real-time experience.

Skills

Dependable

Confident

Coachable

Teen athlete communication

Strength training

Coaching experience

Education

Kinesiology

Exercise Science

Strength & Conditioning

Athletic Training

Job description

About The Job

Trainer Intern

SixFour3 is a female‑focused sports performance brand built to give girls and young women the training environment they deserve. From the weight room to the softball field, we combine sport‑specific development with strength and conditioning to help female athletes become stronger, faster, more confident, and better prepared for their sport.

SixFour3 Studio is growing, and we’re looking for a paid Strength & Conditioning Coaching Intern to join us as we build out our fitness program. This is a hands‑on coaching role for a kinesiology or exercise science student, recent graduate, or developing strength coach who wants real time on the floor as opposed to observation hours.

We guarantee $300/week for your first 12 weeks, up to 10 hours total per week. That time is a mix of coaching live sessions, Learning about coaching and programming for our director of training, maintaining your workspace and helping grow the athlete and team side of the studio.

Who We’re Looking For

Students or recent graduates studying Kinesiology, Exercise Science, Strength & Conditioning, Athletic Training, or a related field. You don't need years of coaching experience. You do need to be dependable, confident, coachable, and comfortable talking to teenage athletes. A strong foundation in strength training and exercise technique is preferred. Coaching or athletic experience is a plus.

What You’ll Get

A guaranteed $300/week for 12 weeks, real coaching reps, direct mentorship from our lead strength coach, and a hand in the programming and outreach work that's shaping where this studio goes next. As our class and team schedule grows, so does your role.

We aim to be an internship that drives the art of coaching forward. We’re looking for someone with the personality, work ethic, and presence to coach it.