Personal Trainer

20 hours ago

Marsfield NSW, Australia Underground Strength Full time $60,000 - $80,000 per year

Personal Trainer & Group Fitness Coach – Future Manager Opportunity

Underground Strength Gym – Marsfield, NSW

Casual to Start | Blend of PT + Group Coaching | Pathway to 2IC/Manager Role

We're Not Like Other Gyms — And That's Exactly the Point.

At Underground Strength Gym, we're a strength training facility built for people who are done with the burnout of cardio-centric group classes.

Our mission is simple:

To help everyday people build real strength through smart, structured training.

We blend the best of personal coaching with the energy of small-group training — and everything we do is built around proper movement, progressive overload, and coaching that actually cares.

We train beginners and professionals alike.

We use barbells, dumbbells, cables, machines, and coaching systems that support long-term progress.

And we're growing — fast.

And if you're someone who takes pride in the craft of strength coaching, and wants to be part of a facility that's redefining the group fitness model — we'd love to meet you.

The Role (What You'll Be Doing)

  • Run both 1-on-1 PT sessions and structured small-group strength classes
  • Build long-term relationships with clients — we're big on the little things
  • Guide clients through proper form, programming, and progression
  • Deliver great coaching without the ego and with attention to detail
  • Learn our systems: onboarding, client check-ins, sales, and gym operations
  • Step into leadership responsibilities over time as you grow into a potential 2IC/Manager role

You'll thrive here if you:

  • Have experience in either group fitness or personal training (or both)
  • Are a genuine "people person" — you notice the details and connect with clients on a personal level
  • Are open to learning how the business side of a gym works (sales, systems, retention, leadership)
  • Want to eventually move into a 2IC/Manager role (not essential, but preferred)
  • Value professionalism, humility, and long-term growth over short-term hype

What's On Offer:

  • Start casual with 15–20 hours per week (flexible schedule: mornings, evenings or both)
  • Blend of personal training and group coaching
  • Ongoing mentorship and development in business operations & leadership
  • Clear growth pathway to a managerial position as the gym expands
  • A gym that values coaching as a craft, not just a service

Must-Haves:

  • Cert III & IV in Fitness (or equivalent)
  • Minimum 1 year of coaching experience (PT or Group)
  • Strong communication and interpersonal skills
  • Bonus: any previous leadership or managerial experience in fitness or similar roles

Why Underground Strength?

We're not trying to be the biggest gym in the area — we're building the most respected strength facility in Marsfield.

A place where people feel seen, supported, and stronger — physically and mentally. You won't be left running sessions on autopilot or competing with other trainers.

You'll be part of a coaching-first environment that values community, connection, experience and real results — for clients and coaches.

Job Types: Part-time, Casual

Pay: $40.00 – $45.00 per hour

Expected hours: 10 – 20 per week

Benefits:

  • Employee mentoring program
  • Gym membership

Application Question(s):

  • Can you work early mornings & late afternoons?

Work Authorisation:

  • Australia (Required)

Work Location: In person

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