Human Resources Assistant

If you're passionate about supporting people and creating positive workplace experiences, we'd love to hear from you.

Job Description
The Human Resources Assistant supports a wide range of HR and administrative activities, including onboarding, employee record management, payroll timekeeping, and general HR support. This role plays a key part in ensuring accurate documentation, maintaining confidentiality, and providing professional service to employees and internal stakeholders in a fast-paced office environment.
Responsibilities

• Assist with the full onboarding process, including preparing new hire documentation, coordinating orientations, and shadowing I-9 and E-Verify processes to ensure compliance.
• Maintain and update employee records within HR systems and HRIS (if applicable), ensuring strict confidentiality, accuracy, and data integrity.
• Support payroll processing by accurately tracking and managing employee timekeeping information.
• Alphabetize and file documents in the physical file cabinet system to maintain an organized and accessible records archive.
• Scan and organize employee documents on the computer according to subject matter and established filing protocols.
• Shred scanned documents after completing necessary verifications to support secure document disposal and confidentiality requirements.
• Assist with audits as needed, including reviewing bills, employee information, and documentation to support compliance and accuracy.
• Record performance notes, incidents, and attendance details into employee overviews and tracking systems.
• Compile screening and tracking documents, organize them in Excel, and maintain accurate logs and reports.
• Perform a variety of evolving Microsoft Office and HRIS duties and projects as assigned, adapting to changing HR needs.
• Provide general HR support in areas such as employee relations, recruitment coordination, benefits-related documentation, and compliance tasks.
• Offer administrative and clerical support, including filing, data entry, and document management, to ensure smooth HR operations.

Essential Skills

• Experience with data entry and maintaining accurate records.
• Knowledge of onboarding processes and new hire documentation.
• Familiarity with HRIS or HR systems for managing employee information (preferred but not required).
• Ability to support payroll-related timekeeping activities.
• Proficiency with Microsoft Office applications, including Excel, for organizing and tracking data.
• Strong administrative and clerical skills, including filing and document organization.
• Understanding of basic human resources functions such as HR administration, employee relations, and recruitment support.
• Ability to handle confidential information with a high degree of integrity and ethics.
• Clear and effective oral and written communication skills.
• High level of organization with the ability to manage and prioritize multiple tasks.
• Ability to work under pressure while remaining calm and professional.
• Capability to work independently with minimal supervision.
• Bilingual proficiency in Spanish.

Additional Skills & Qualifications

• Experience in human resource management or HR support roles.
• Experience in talent management and employee benefits administration.
• Exposure to compliance-related activities and audit support within an HR environment.
• Administrative support experience in an office setting.
• Recruitment and candidate coordination experience.
• Strong attention to detail when handling employee records and documentation.
• Ability to adapt to evolving HR projects and systems.
• Comfort working with both physical and digital filing systems.

Work Environment
This position is based in an office setting and follows a Monday through Friday schedule from 8:00 a.m. to 5:00 p.m. The role involves regular use of computers, HR systems, and Microsoft Office applications, as well as handling physical files and documents. The dress code is business attire, typically slacks and a nice shirt. The environment values professionalism, confidentiality, and the ability to work efficiently in a structured, deadline-driven setting.
Job Type & Location
This is a Contract to Hire position based out of Pico Rivera, CA.
Pay and Benefits
The pay range for this position is $22.00 - $22.00/hr.
Individual compensation offered for this position within this range will depend on many factors, including qualifications, skills, relevant experience, job knowledge, geographic location, internal equity, and other pertinent job-related factors.
Eligibility requirements apply to some benefits and may depend on your job classification and length of employment. Benefits are subject to change and may be subject to specific elections, plan, or program terms. If eligible, the benefits available for this temporary role may include the following:
• Medical, dental & vision
• Critical Illness, Accident, and Hospital
• 401(k) Retirement Plan - Pre-tax and Roth post-tax contributions available
• Life Insurance (Voluntary Life & AD&D for the employee and dependents)
• Short and long-term disability
• Health Spending Account (HSA)
• Transportation benefits
• Employee Assistance Program
• Time Off/Leave (PTO, Vacation or Sick Leave)
Workplace Type
This is a fully onsite position in Pico Rivera,CA.
Application Deadline
This position is anticipated to close on Sep 11, 2026.

About Aston Carter

Aston Carter provides world-class corporate talent solutions to thousands of clients across the globe. Specialized in accounting, finance, human resources, talent acquisition, procurement, supply chain and select administrative professions, we extend the capabilities of industry-leading companies. We draw on our deep recruiting expertise and expansive network to meet the evolving needs of our clients and talent community with agility and excellence. With offices across the U.S., Canada, Asia Pacific and Europe, Aston Carter serves many of the Fortune 500. We are proud to be a ClearlyRated Best of Staffing® Platinum Award winner for both client and talent service.

The company is an equal opportunity employer and will consider all applications without regard to race, sex, age, color, religion, national origin, veteran status, disability, sexual orientation, gender identity, genetic information or any characteristic protected by law.

If you would like to request a reasonable accommodation, such as the modification or adjustment of the job application process or interviewing process due to a disability, please email View email address on click.appcast.io for other accommodation options.

San Francisco Fair Chance Ordinance: Pursuant to the San Francisco Fair Chance Ordinance, for all positions located in the city and county of San Francisco, we will consider for employment qualified applicants with arrest and conviction records.

Massachusetts Lie Detector: It is unlawful in Massachusetts to require or administer a lie detector test as a condition of employment or continued employment. An employer who violates this law shall be subject to criminal penalties and civil liability.

Use of Artificial Intelligence (AI): We may use Artificial Intelligence (AI) to support parts of our hiring process, including sourcing, screening, and evaluating candidates. AI helps assess applications and qualifications, but final decisions are made by our hiring team. By applying, you acknowledge and agree that your application may be reviewed using AI tools.