Jesseca Castillo
Administrative Assistant
A Dedicated Administrative Assistant with Strengths in NDIS Operations, Compliance and Customer Service
Meet Jesseca, a dedicated Administrative Assistant at Assist Lifestyle, supporting the team with NDIS administration, onboarding, billing, customer service, and day-to-day operational tasks to ensure smooth, compliant, and participant-focused service delivery. With a background in Psychology and experience across NDIS administration, accounting, onboarding, and customer support, Jesseca brings excellent attention to detail and a strong commitment to delivering high-quality administrative support.
With experience managing NDIS billing, document verification, invoicing, CRM systems, scheduling, and customer communications, Jesseca plays an important role in maintaining efficient business operations. She is proactive, organised, and solutions-focused, ensuring processes are completed accurately while providing excellent support to participants, providers, and the Assist Lifestyle team.
She takes pride in being dependable, approachable, and responsive, always striving to improve systems and create positive experiences for participants, providers, and colleagues alike. Her Psychology background enables her to approach every interaction with empathy, professionalism, and strong interpersonal skills
Professional Attributes
- NDIS Administration & Billing: Experienced in NDIS billing, invoice reconciliation, claims verification, credit notes, quotations, bookings, and ensuring compliance with NDIS funding requirements.
- Organisation & Attention to Detail: Highly organised with strong document management skills, ensuring administrative tasks are completed accurately, efficiently, and on time.
- Customer Service & Communication: Skilled in managing high volumes of emails, phone calls, and customer enquiries while maintaining professionalism, empathy, and excellent service standards.
- Systems & Technology: Experienced using Xero, Zendesk, Zoho CRM, ClickUp, Airtable, Google Workspace, Microsoft Office, Calendly, Django, and other cloud-based business systems.
- Problem Solving & Continuous Improvement: Proactively identifies discrepancies, resolves issues efficiently, and contributes ideas to improve workflows and business processes.
- Team Collaboration: Works collaboratively across departments to support onboarding, finance, compliance, and participant service delivery while maintaining a positive and supportive team environment.
Personal Interests
Outside of work, Jesseca enjoys learning about psychology, participating in community outreach programs, volunteering with non-government organisations that support vulnerable communities, and continuously developing her professional skills. She also enjoys reading, problem-solving, and spending time with family and friends. These interests allow her to bring compassion, curiosity, and positivity into her role every day.
Personal Touch
Jesseca is reliable, friendly, and genuinely passionate about helping people. Her background in Psychology, combined with her experience in NDIS administration and customer service, allows her to build positive relationships while maintaining professionalism and efficiency. She enjoys learning, supporting others, and contributing to meaningful outcomes for participants and the wider Assist Lifestyle team. Her approachable nature, dedication to continuous improvement, and commitment to quality make her a valued member of the Assist Lifestyle administrative team.