Human Resources Assistant

Location:
West Covina, CA (Office-Based)

Make an Impact Behind the Scenes – Join Our Growing HR Team!

Are you detail-oriented, organized, and passionate about supporting people and operations? At Asteri Behavioral Treatment Center, our Human Resources team plays a critical role in supporting the clinicians and staff who make a difference in the lives of children and families every day.

We’re looking for a Human Resources Assistant who thrives in a fast-paced environment, values confidentiality, and wants to grow within a mission-driven healthcare organization. This is your opportunity to build a meaningful HR career while contributing to a collaborative, supportive workplace culture.

Position Summary:

The Human Resources Assistant supports daily HR operations by coordinating onboarding, maintaining employee records, supporting payroll and compliance functions, and serving as a frontline resource for employee inquiries. This role requires strong organizational skills, discretion, attention to detail, and the ability to thrive in a fast-paced healthcare environment.

Human Resources Assistant Responsibilities:

Employee Records

• Maintain accurate, confidential personnel files in electronic systems and shared drives
• Track introductory periods, training deadlines, certifications, and compliance documentation

Payroll, Timekeeping & Data Support

• Assist with timecard audits, corrections, and employee inquiries
• Track PTO, sick leave accruals, and balances in compliance with California labor laws
• Support payroll preparation, reimbursements, and reporting accuracy

Compliance & Documentation

• Prepare employee letters, acknowledgments, corrective documentation, and policy forms
• Assist with audits, inspections, and internal compliance reviews
• Maintain confidentiality and data security at all times

Employee Support & Administration

• Serve as the first point of contact for routine HR inquiries and escalate sensitive matters appropriately
• Coordinate interviews, orientations, trainings, and internal meetings
• Support employee engagement initiatives and internal communications

Reporting & Projects

• Maintain trackers and dashboards for attendance, training, and compliance
• Generate reports for leadership as requested
• Assist with special HR projects and process improvements

You’ll become part of a team that truly supports you—offering hands-on training, mentorship, and opportunities to grow within Human Resources and leadership.

Human Resources Assistant Benefits:

• Competitive Pay: $23.00-$27.00
  
• Paid Sick Time
  
• IRA Retirement Plan
• Annual Performance Reviews & Raises
• Professional development and growth opportunities
• Supportive, people-first company culture
• Long-term career pathways within HR and Operations

What We’re Looking For:

• Bachelor's Degree or equivalent experience required 
• Part-time availability for a minimum of 20 hours per week
• Relevant HR certification (e.g., PHR, SHRM-CP) is beneficial.
• Spanish-speaking preferred; bilingual candidates strongly encouraged to apply.
• Previous experience in human resources, preferably in a healthcare, education, or ABA setting.
• Strong understanding of HR laws and regulations.
• Excellent communication and interpersonal skills.
• Ability to handle confidential information with discretion.
• Proficiency in HRIS (Human Resources Information Systems) and Microsoft Office Suite. Specifically in Excel
• Detail-oriented with strong organizational skills.
• Problem-solving skills and ability to work independently.
• Empathy and a positive attitude toward supporting employees in a caregiving environment.
  
• Must be able to successfully pass a TB test and Live Scan background check as required by state and company regulations.

Why Asteri?

We’re more than a treatment center—we’re a people-first, mission-driven organization that values collaboration, growth, and integrity. At Asteri, you’re not just supporting a workforce—you’re supporting the teams that change lives every day.

Apply today and take the first step toward a meaningful, growth-oriented career with Asteri Behavioral Treatment Center!

Asteri Behavioral Treatment Center is an Equal Opportunity Employer. We are committed to creating a diverse environment and are proud to be an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or veteran status.

Asteri Behavioral Treatment Center is an equal opportunity employer. We comply with the Americans with Disabilities Act (ADA) and provide reasonable accommodations to qualified applicants and employees upon request. If you need assistance or accommodation during the application, interview, or employment process, please contact our HR department.