A studio built on craft, not volume.
j+k Fitness Studio isn't a big-box gym. We're an intimate, high-quality training environment where clients arrive by referral, sessions are focused, and the work you do actually makes a difference.
We have a loyal and growing membership base, a clean and well-equipped space, and a culture that respects trainer expertise. If you're ready to do your best work in a place that supports it, we'd love to meet you.
We hire for fit,
not just for openings.
Personal Trainer — Membership Team
Join as a staff trainer working with our growing membership client base. You'll take on referred and transferred clients, deliver consistent results, and grow your book within a supported, structured environment.
Independent Trainer — Space Rental
Already have your own clients? Rent time in our premium studio by the session. Enjoy professional space, top-tier equipment, and the credibility of training in one of SF's most respected boutique facilities.
The right person,
not a checklist.
- Current personal training certification (NASM, ACE, NSCA, or equivalent)
- Current CPR / AED certification
- At least 1 year of hands-on personal training experience
- Reliability — your clients and your teammates count on you
- A warm, professional communication style
- Genuine curiosity about movement and human performance
A place worth
showing up to.
Premium Equipment
Hammer Strength power rack, Life Fitness machines, kettlebells, cables, bands, and more — everything you need to program at a high level.
Ready Clients
We have an active, growing membership base and receive ~12 organic referrals a month. Staff trainers won't be starting from zero.
Private Studio
A clean, focused environment. No crowds, no noise, no competition for space. Just serious training with engaged clients.
Growth Path
We're building something. The right trainer who grows with us will have real opportunities — including profit sharing and long-term equity.
Great Location
Right in the Mission at 1947 Mission Street. Easy transit, walkable neighborhood, and a community that knows and trusts us.
Flexible Arrangements
Staff trainer role or independent space rental — we're open to the structure that makes the most sense for both of us.
Think you're
a fit?
Send us a note about your background, certifications, and what you're looking for.
We read every application personally.