About the Role

Sigma Therapies is seeking a passionate and skilled Positive Behaviour Support Practitioner & Psychologist to join our growing team. This part-time, salaried position (1–2 days per week) is based out of Bibra Lake, WA 6163, but is primarily mobile and community-based, with work-from-home flexibility and full travel reimbursement.

You’ll work directly with NDIS participants across the Perth metro area, combining your expertise in psychology and behaviour support to create meaningful outcomes for individuals with complex needs. This is a unique opportunity to join a team that values autonomy, purpose-driven practice, and genuine work-life balance.

What You'll Be Doing

Delivering psychological therapy and behavioural support services to NDIS participants across varied age groups and presentations

Conducting comprehensive functional behaviour assessments to identify the underlying causes of behaviours of concern

Developing and implementing NDIS-compliant Positive Behaviour Support Plans, including strategies to reduce restrictive practices

Coaching and training families, caregivers and support workers to implement interventions confidently and consistently

Collaborating with support coordinators, allied health professionals, schools and disability services to ensure holistic, person-centred care

Maintaining accurate clinical documentation, behaviour support reports, and progress updates in line with best practice and NDIS standards

Participating in supervision, peer mentoring, and optional team development days

What We're Looking For

Full registration as a Psychologist with AHPRA and registered as (or eligible to be) a Positive Behaviour Support Practitioner – Proficient or above under the NDIS Commission

Demonstrated experience in developing and implementing Behaviour Support Plans

Excellent interpersonal and communication skills to collaborate effectively with families and multidisciplinary teams

Strong report writing skills and attention to detail

Ability to work independently, manage a mobile caseload, and thrive in a flexible, self-directed environment

A current WA Driver’s Licence and reliable vehicle

Current (or willingness to obtain) WWCC and NDIS Worker Screening Check

What We Offer

At Sigma Therapies, we are committed to creating a supportive and nurturing environment where our employees can thrive. We offer a range of benefits, including:

Competitive remuneration with superannuation, leave entitlements, and full travel reimbursement

Flexible working arrangements, including work-from-home admin days and autonomy over your schedule

A supportive, inclusive team culture that values collaboration, learning, and wellbeing

A role that grows with you – start 1–2 days per week and increase hours as your caseload builds

All tools provided, including laptop, phone, and access to clinical resources

All tools provided, including a laptop, work phone, and access to clinical resources and reporting systems

About Us

Sigma Therapies is a leading provider of allied health services in Western Australia, with a mission to empower individuals with complex needs to live their best lives. We primarily serve NDIS participants across the Perth metro area and pride ourselves on our flexible, compassionate, and evidence-informed approach.

As part of our dedicated, multidisciplinary team, you'll be supported to do your best work — with autonomy, respect, and genuine opportunities for professional and personal growth.