Mariah Sedillos
Denver,CO
Summary
Compassionate and dedicated behavior support professional with over 8 years of experience working with children and/or adults with developmental disabilities. Experienced in implementing behavior intervention strategies, collecting and documenting behavioral data, supporting individualized treatment and service plans, and promoting communication, social, and daily living skills. Skilled in collaborating with BCBAs, interdisciplinary teams, families, and caregivers to provide consistent, person-centered care while maintaining accurate documentation and compliance with ethical and organizational standards. Recognized for building trusting relationships, using positive behavior support techniques, and creating safe, supportive environments that foster growth, independence, and meaningful progress.
Overview
9
9
years of professional experience
Work History
Admin Assistant & Project/Program Coordinator
Welch Equipment Company
Denver, CO
03.2024 - Current
- Coordinated facility programs and capital projects by managing project schedules, milestones, action logs, and documentation for vendor contracts and service agreements totaling more than $3 million, ensuring compliance, project visibility, and on-time execution.
- Facilitated project meetings with facility leadership, vendors, contractors, and cross-functional teams by preparing agendas, documenting meeting minutes, tracking action items, and communicating project status updates to stakeholders.
- Managed project budgets by tracking purchase orders, invoices, vendor expenditures, and contract performance while supporting contract negotiations and service optimization initiatives that reduced recurring facility costs by more than $100,000 annually.
- Supported procurement activities through the development, administration, and evaluation of RFPs, competitive bidding processes, vendor selection, and contract administration, identifying cost-saving opportunities and improving vendor performance.
- Developed and implemented standardized operating procedures (SOPs), Lean documentation, and operational playbooks that improved process consistency, reduced operational risk, strengthened business continuity, and increased organizational efficiency.
- Delivered excellent customer service through prompt responses to client inquiries, addressing concerns effectively, and building strong relationships.
- Maintained inventory of office supplies and placed orders.
- Answered multi-line phone system, routing calls, delivering messages to staff and greeting visitors.
Behavior Technician
Soar Autism Center
Denver, CO
11.2023 - 02.2024
- Implemented individualized behavior intervention plans (BIPs) and evidence-based ABA strategies to support the developmental, behavioral, and social goals of children.
- Collected, monitored, and documented behavioral data, progress notes, and treatment information with accuracy to support ongoing assessment and treatment planning.
- Observed and recorded target behaviors using ABC (Antecedent-Behavior-Consequence) data collection and other behavior-tracking methods to monitor client progress.
- Collaborated with BCBAs, caregivers, and interdisciplinary team members to implement treatment plans, reinforce skill development, and maintain consistency across environments.
- Built positive, therapeutic relationships with children and their families by providing compassionate, respectful, and client-centered support.
- Assisted children in developing communication, social, behavioral, and daily living skills through structured teaching, positive reinforcement, and individualized interventions.
- Maintained client confidentiality and complied with agency policies, ethical guidelines, and documentation standards.
Assistant Team Manager
Ability Specialists INC
Denver, CO
05.2017 - 10.2023
- Coordinated individualized service plans and daily program operations for adults with developmental disabilities, ensuring services aligned with client goals, organizational standards, and regulatory requirements.
- Planned and facilitated educational and life skills programs that promoted independence, communication, and daily living skills while tracking participation and individual progress.
- Supported Team Leads in coordinating and executing community volunteer activities and off-site outings with group's of 8-12 individuals, ensuring participant safety, engagement, and adherence to program guidelines.
- Utilized positive behavior support strategies and de-escalation techniques to manage behavioral challenges, promote a safe environment, and encourage successful participation in group and community activities.
- Maintained accurate documentation, case notes, and progress reports in compliance with agency policies, regulatory requirements, and quality standards.
- Collaborated with clients, families, and interdisciplinary team members to coordinate services, communicate progress, and support individualized goals and positive community involvement.
Education
High School Diploma -
Grandview High School
Aurora, CO06.2021
Skills
- Meeting Coordination
- Project Coordination
- Problem Solving
- Detail-oriented
- Time Management
- Flexibility
- Dependability
- Relationship Building
- Applied Behavior Analysis (ABA)
- Progress Documentation
- Crisis Prevention & De-escalation
- Data Collection
Timeline
Admin Assistant & Project/Program Coordinator
Welch Equipment Company
03.2024 - Current
Behavior Technician
Soar Autism Center
11.2023 - 02.2024
Assistant Team Manager
Ability Specialists INC
05.2017 - 10.2023
High School Diploma -
Grandview High School