Vijaya has held a range of roles in the Western Australian public sector for 25 years, primarily in the Departments of Treasury and Health. She has practical knowledge of policy-making processes and proven ability in using evidence to influence budget decision-making in government.

Vijaya specialises in strategic policy and financial advice, business cases and budget submissions, evidence briefs, policy options papers and program evaluation. She has expertise in health, child protection, disability and indigenous services, public sector finance and governance and federal-state relations, and has been involved in several major government reforms.

Vijaya holds a PhD in Public Policy from Curtin University, a Bachelor of Commerce in Accounting, Finance and Systems from the University of New South Wales and is a Certified Practising Accountant. She is an Adjunct Research Associate with Curtin University and involved in research on federalism, intergovernmental relations and health policy reform.