Senior Therapist ABA Team Lead (In-Centre)

Location: Montessori Kids by OneHealth Ottawa, Ontario
Type: Part-Time Contract (Independent Contractor)
Hours: 1525 hours per week (with flexibility based on caseload)
Compensation: Starting at $32.00$35/hour (depending on experience)
Start Date: Immediate

About Us

Montessori Kids by OneHealth is a unique child development centre integrating Applied Behaviour Analysis (ABA) with the Montessori philosophy to support neurodiverse children ages 212. Our team-based, whole-child approach blends clinical excellence with play-based, sensory-rich, and inclusive programming.

We are seeking a Senior Therapist who can both lead and support our growing clinical team. This is an in-centre, hands-on leadership role that blends direct therapy, team supervision, daily operations support, and compliance oversight.

Position Overview

This role is ideal for a seasoned ABA therapist or senior instructor who thrives in a dynamic team environment and has demonstrated experience in:

• Leading sessions and providing clinical direction in real-time
  
• Managing daily flow, schedules, and staff coverage
  
• Supporting junior therapists and maintaining compliance
  
• Working collaboratively with families and clinical supervisors
  

You will act as a Team Lead during in-centre programming blocks, helping ensure smooth daily operations, accurate therapist-youth matching, consistent data tracking, and responsive clinical care.

Key Responsibilities

• Deliver 1:1 direct therapy using ABA-based strategies with assigned youth
  
• Lead daily team huddles, assign therapists to youth based on skill and need
  
• Check daily therapist coverage, flag absences, and adjust schedules in real time
  
• Coordinate room setup, binders, logs, and materials before each session
  
• Ensure therapists complete data collection, clean-up, and end-of-session documentation
  
• Provide in-the-moment coaching to Instructor Therapists
  
• Participate in functional assessments and assist in ABLLS-R, AFLS, and VB-MAPP scoring
  
• Track program integrity and report concerns to the Clinical Supervisor
  
• Collaborate on Individualized Service Plans (ISP) and behaviour plans
  
• Communicate with families as needed and help facilitate the intake transition

• Experience with intake and onboarding new clients
  

Qualifications

• Minimum 35 years of experience delivering ABA or IBI services
  
• Experience supervising therapy teams or leading sessions required
  
• Strong organizational skills; ability to manage the flow of the day
  
• Experience in clinic-based programs preferred
  
• Post-secondary education in Behavioural Science, Psychology, Child Development, or a related field
  
• ABA Certificate, Autism & Behavioural Science diploma, or equivalent preferred
  
• Working knowledge of ABLLS-R, AFLS, VB-MAPP, and behavior tracking systems
  
• Must be comfortable providing toilet training and supporting SIBs or aggressive behaviors
  
• Clear Vulnerable Sector Police Check required
  
• CPR/First Aid certification preferred
  

What We Offer

• A supportive team environment grounded in empathy and excellence
  
• Flexible part-time hours with consistent weekly schedule
  
• In-centre role (no virtual sessions)
  
• Opportunities for training and growth into full-time or supervisory roles
  
• Paid training sessions and leadership coaching