St. Catharines, On Fitness trainers & instructors Jobs – 6 Openings This Week

Part-Time Aquafit Instructor
City of St. Catharines —St. Catharines, ON
- $33.10 an hour
- Temporary
- Hybrid work
- Customer service
- First Aid Certification
- In-person
- Dental care
- Vision care
Group Exercise Instructor for Seniors
Yes Rehab Services Inc —St. Catharines, ON
- $18 an hour
- Temporary
- Bilingual
- English
- Communication skills
Quick apply
12d
Group Fitness Coach
Orangetheory Fitness 10141 —St. Catharines, ON
- $25–$55 an hour
- Part-time
- CPR Certification
- First Aid Certification
- AED Certification
Quick apply
Personal Trainer
Anytime Fitness —Niagara Falls, ON
- $30–$50 an hour
- Part-time
- CPR Certification
- Sales
- English
- Store discount
- Flexible schedule
Quick apply
PART-TIME STRENGTH & CONDITIONING COACH
Bench Community Fitness Inc. —Beamsville, ON
- $20–$25 an hour
- Part-time
- CPR Certification
- English
- First Aid Certification
Quick apply

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Transformation Coach (Fitness + Nutrition) – Part-Time → Full-Time
Eleven Aesthetics —Newmarket, ON
This role focuses on nutrition guidance, simple at-home workouts (bands, core, bodyweight), and accountability to help clients achieve real, sustainable results…
$22–$25 an hour
Quick apply
Pilates Instructor
Pilates Hub Newmarket —Newmarket, ON
Thanks to our innovative technology, instructors are *not responsible for cueing the entire class from scratch* — our system provides structured class guidance…
$35–$50 an hour
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Part-Time Aquafit Instructor

City of St. Catharines -
St. Catharines, ON

Apply Now

Job details

Temporary | Part-time
$33.10 an hour

Qualifications

Customer service
First Aid Certification
Customer support
Communication skills

Full job description

At the City of St. Catharines, you’ll find more than just a job — you’ll find a place that fits.

Here, your work means something — where you can see the impact, feel the pride, and know you’re a part of something bigger. You’ll be trusted to do your job, backed by people who care, and part of a team that shows up for each other. There’s flexibility when it counts, and a real understanding that life doesn’t stop when the workday starts. With pay you can count on, great benefits, and a pension that helps you plan ahead — you’ve got more than a job. You’ve got the space to grow, the balance you need, and a place that gets it.

It feels different — because it is.

It’s a place that works for you.

About the Role:

If you're passionate about fitness and enjoy helping others achieve their goals, this is an opportunity to make a meaningful impact in your community.

As a Part-time Aquafit Instructor, you'll lead safe, engaging and inclusive aquatic fitness classes that help participants of all ages and abilities stay active, build confidence and enjoy being part of an active community. Along the way, you'll stay active doing what you love, build connections with like-minded people who share your passion for fitness, and be part of a supportive Aquatics team.

Your Team:

You’ll be part of the Aquatics team and report to the Head Guard, Recreation Assistant Lead, Aquatics Coordinator, or Aquatics Supervisor.

Schedule & Flexibility:

Shifts typically range from 1 to 3 hours, with opportunities to work up to 24 hours per week. We'll work with you to schedule shifts that align with your availability whenever possible.

What You'll be Doing:

Bring energy and encouragement to every class by leading safe, engaging and inclusive Aquafit sessions that help participants of all ages and abilities stay active and work toward their fitness goals.
Use your coaching and communication skills to create a welcoming environment where participants feel comfortable, supported and motivated.
Design and deliver effective workouts by combining warm-ups, cardiovascular exercise, strength training, stretching and cool downs, while adapting exercises to meet different fitness levels and abilities.
Create enjoyable fitness experiences by incorporating music, cueing techniques and progressive exercises that keep participants engaged and coming back.
Build connections with your community by getting to know participants, answering questions and providing friendly, professional customer service.
Support a safe and positive facility experience by preparing equipment, following safety procedures and responding confidently in emergency situations when required.
Be part of a collaborative Aquatics team that works together to deliver programs that make a difference in the health and well-being of our community.
Continue growing your skills by staying current with aquatic fitness trends, techniques and best practices.

What's Required:

Success in this role starts with a passion for helping others live active, healthy lives, along with:

CALA, WaterART certification, and/or YMCA Aquafit Instructor Certification Course.
Intermediate First Aid certification (formerly Standard First Aid), valid within three years of the date of issue.
A valid Vulnerable Sector Police Clearance (issued within the past two years).
Strong communication and interpersonal skills with a customer-focused approach.

Job Details:

Job ID: 2026-175

Pay Rate: 33.10

Hours: Up to 24 hours per week per week

Schedule: Variable

Location: St. Catharines, ON

Work Mode: In Person

Employee Group: Non-Union

Position Type: Temporary, Part-time

Duration: Temporary

Vacancy Status: This posting is for an existing vacancy

Application Deadline: Posted until filled

Jobs with an application deadline will close at 11:59 PM on that date. Jobs listed as ‘open until filled’ may close at any time.

Other Requirements:

Other Position Requirements include: Vulnerable Sector Check

Candidates selected for the position will be required to complete the Ministry of Labour’s Worker Health and Safety Awareness training and provide proof of the educational credentials listed on their resume and job application.

What's In It for You:

Curious what it’s like to work for the City of St. Catharines?

Here’s what you can expect when you join us:

Great People: Be part of a team that supports you, celebrates your wins, and helps you succeed.

Make Your Mark: Bring your ideas, drive meaningful change, and leave a lasting impact on our community.

Learn & Grow: Access training and development funds to take your skills to the next level.

Competitive Pay: Competitive pay from a certified Ontario Living Wage Employer.

Secure Future: Join the OMERS pension plan with employer-matched contributions.

Balance & Benefits : Flexible hybrid work options plus health, dental, and vision benefits for eligible positions.

Additional Information:

Equal Opportunity Employer

The City of St. Catharines is committed to fostering an inclusive, accessible, and respectful work environment. We celebrate the uniqueness of every individual. Our community is enriched by people from diverse backgrounds and lived experiences—a value reflected in our 2023–2027 Strategic Plan.

Don’t Meet Every Requirement?

We encourage individuals from all backgrounds, experiences, and education levels to apply. While specific qualifications may be required for certain roles, we assess each applicant’s overall suitability. Please note that unionized roles are subject to collective agreement requirements.

Accommodation

We are an equal opportunity employer and provide accommodations throughout the recruitment process in accordance with the Ontario Human Rights Code and the Accessibility for Ontarians with Disabilities Act (AODA). If you require accommodation at any stage, please contact Human Resources at [email protected].

Application Process

To ensure transparency and fairness, all applications must be submitted online through our application portal. Please keep your contact information up to date and regularly check your spam and junk email folders, as important communications may be directed there.

Interviews and Assessments

Depending on the role, interviews may be conducted via video conferencing or in person. Various tests and/or assessments may be administered as part of the selection process.

Use of AI

The City of St. Catharines does not use artificial intelligence (AI) technology in any part of the recruitment process.

#LI-ONSITE

Apply Now

Refine Your Search

fitness trainers & instructors jobs in st. catharines, on

Part-Time Aquafit Instructor

Group Exercise Instructor for Seniors

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Personal Trainer

PART-TIME STRENGTH & CONDITIONING COACH