Add your latest resume to match with open positions.

28 results for Human Resources Administrator in Riverside, CA

Sr. Administrative Assistant

Azusa, CA
onsite
Temporary / Contract
24.7 - 28.6 USD / Hourly
We are looking for an experienced Sr. Administrative Assistant to support leadership and operational teams in a fast-paced non-profit environment in California. This Long-term Contract position requires a highly organized, detail-oriented individual who can manage executive coordination, maintain confidential records, and keep critical activities on track. The ideal candidate will bring strong administrative judgment, excellent communication skills, and the ability to handle multiple priorities with accuracy. Responsibilities: • Serve as a key point of coordination between leadership and internal teams, helping ensure clear communication and strong working relationships across departments. • Manage calendars, scheduling needs, and shifting priorities for leadership while tracking upcoming deadlines, meetings, and commitments. • Organize leadership and operations meetings by preparing agendas and materials, arranging meeting space, coordinating attendees, and supporting presentation needs. • Record meeting notes, document follow-up items, and help drive completion of action steps after discussions and planning sessions. • Arrange travel, conference registration, lodging, and related expense documentation for leadership and contracted personnel. • Create, update, and safeguard electronic files, reports, correspondence, and other business documents using Microsoft Office and related tools. • Provide administrative support for events and departmental activities, including presentation materials, attendance tracking, meeting packets, and external speaker coordination. • Submit service requests for office equipment, technical support, and facility maintenance issues to ensure timely resolution of operational needs. • Maintain organized records, support compliance tracking for required staff education, and carry out assigned projects in alignment with organizational policies and safety standards.
2026-06-03T00:00:00Z

HR Assistant (Contract)

Fallbrook, CA
onsite
Temporary / Contract
23 - 27 USD / Hourly
A large agricultural organization in Fallbrook is seeking an HR Assistant to support recruiting, onboarding, employee records management, and HR administrative functions during a seasonal hiring period. This position offers hands-on exposure to multiple areas of Human Resources and is ideal for someone looking to expand their HR experience.The ideal candidate is detail-oriented, approachable, and comfortable handling confidential employee information. ResponsibilitiesHuman Resources Support<ul><li>Assist with onboarding and new hire documentation</li><li>Schedule interviews and coordinate candidate communication</li><li>Maintain employee files and HR records</li><li>Support benefits enrollment and employment verification requests</li><li>Process employee status changes and HRIS updates</li><li>Assist with employee engagement activities and training coordination</li></ul>Recruiting Support<ul><li>Post job openings and track applicant activity</li><li>Coordinate interview scheduling with hiring managers</li><li>Conduct reference checks and onboarding follow-up</li><li>Maintain recruiting documentation and compliance records</li></ul>
2026-06-04T00:00:00Z

Payroll Supervisor/Manager/Director

Long Beach, CA
onsite
Permanent / Full Time
100000 - 120000 USD / Yearly
Payroll ManagerLocation: Carson, CA (On-site)Our client is a growing, dynamic organization in the Carson area seeking an experienced Payroll Manager to lead and oversee in-house payroll operations for a large, complex workforce. This is a hands-on leadership role for a detail-oriented payroll professional who thrives in a fast-paced environment and brings deep expertise in payroll compliance, union payroll, and multi-state operations.The ideal candidate will have strong leadership capabilities, a commitment to accuracy, and the ability to partner cross-functionally while ensuring compliance with all applicable laws and regulations.Key Responsibilities:<ul><li>Oversee and manage in-house payroll processing for 800+ employees, including union and non-union staff</li><li>Supervise weekly and bi-weekly payroll cycles, ensuring accuracy of wages, benefits, garnishments, and tax deductions</li><li>Ensure compliance with multi-state payroll tax laws, wage and hour regulations, and union labor agreements</li><li>Reconcile payroll tax submissions and manage quarterly and annual filings, including W-2s</li><li>Prepare payroll documentation and reports for audits, workers’ compensation reviews, and union contract requirements</li><li>Serve as the primary escalation point for payroll inquiries and discrepancy resolution</li><li>Partner with HR, Finance, and Operations to support payroll-related initiatives</li><li>Identify and implement process improvements to streamline payroll operations and increase efficiency</li><li>Maintain and update payroll systems in alignment with current regulations and company policies</li><li>Train, mentor, and develop payroll staff to support operational excellence and team growth</li></ul>Qualifications:<ul><li>5+ years of in-house payroll experience, including leadership or supervisory responsibilities</li><li>Proven experience managing payroll for large employee populations (1,000+ employees)</li><li>Strong knowledge of union payroll, multi-state payroll compliance, and wage & hour laws</li><li>Experience with payroll tax filings, audits, and regulatory reporting</li><li>High level of accuracy, attention to detail, and confidentiality</li><li>Strong leadership, communication, and problem-solving skills</li><li>Payroll certification (CPP or FPC) preferred</li></ul>Why Join?<ul><li>Join a growing and forward-thinking company</li><li>Leadership role with the ability to make an impact</li><li>Stable, long-term opportunity with room for professional growth</li></ul> For confidential consideration, please email your Robert Half recruiter. If you're not currently working with anyone at Robert Half, please click "Apply" or call 562-800-3963 and ask for David Bizub. Please reference job order number 00460-0013350130. email resume to [email protected]
2026-05-26T00:00:00Z