Senior Therapist

Position: Clinical Lead, Montessori Kids Autism Division (RBA) Location: Montessori Kids by One. Health – In-Centre (Bells Corners) Compensation: $75.00/hour (Fee-for-Service) Schedule: Weekdays – Flexible, 10–12 hours per week About Us Montessori Kids by One. Health is an innovative therapy and education centre blending Applied Behaviour Analysis (ABA) with Montessori principles .

We specialize in supporting neurodiverse children through 1:1 therapy, small group programming, and whole-child development. Our team operates within a collaborative, family-centred model, grounded in evidence-based practice, compassion, and respect for each child's unique strengths. This role is based at our new One.

Health Functional Centre in Bells Corners . Opportunity We are seeking a passionate and experienced RBA ( RBA ) to join our multidisciplinary team on a part-time basis. This is an in-person role within our centre. The successful candidate will support a caseload of children with ASD and related neurodevelopmental needs, working alongside therapists, clinical supervisors, and families to develop and monitor individualized treatment programs.

Key Responsibilities

Conduct Functional Behaviour Assessments (FBAs) and skill-based assessments. Develop, implement, and monitor individualized Behaviour Support Plans (BSPs). Supervise Instructor Therapists, senior therapists providing coaching, training, and fidelity checks. Track clinical outcomes and provide documentation aligned with MCCSS and OAP standards.

Attend in-centre planning meetings and collaborate with senior clinicians. Track clinical outcomes and provide documentation aligned with MCCSS and OAP standards. Attend in-centre planning meetings and collaborate with senior clinicians. Ensure all clinical interventions are trauma-informed, developmentally appropriate, and aligned with Montessori philosophy.

Requirements

Must be certified as a Registered Behaviour Analyst (RBA) in Ontario. Minimum of 3 years’ experience working with children with autism and developmental delays. Strong knowledge of ABA principles, OAP guidelines, and ethical service delivery. Able to work collaboratively in a multidisciplinary team within a busy clinical environment.

Excellent communication, documentation, and leadership skills. Must be available for in-person services. This is not a virtual position.

Compensation

& Hours $75.00/hour – Fee-for-service 10–12 hours per week Flexible weekday schedule Reports to the Clinical Program Director Supervision provided by our consulting Psychologist How to Apply Please send your resume and cover letter to: support@onehealthkids,ca 📧 Subject Line: RBA Application – Montessori Kids Only qualified candidates will be contacted.

We thank all applicants for their interest.