HRIS Administrator

ADP, Inc.; Carson (CA); On-site; USD 65,000 - 85,000; Full time

Job summary

AMPAM Parks Mechanical is seeking an HRIS Administrator to support day-to-day HR system operations in Carson, CA. You will manage employee records in ADP Workforce Now, run standard and ad-hoc HR reports, and assist with onboarding and benefits data entry while ensuring data accuracy and compliance.

The role collaborates with the HR Manager and broader HR team to maintain payroll and benefits data across ADP modules. This is an entry-mid level position with room to grow within HR technology.

Qualifications

• 1–2 years of experience with HRIS systems; ADP Workforce Now preferred.
• Experience with data entry and administrative support in an HR environment.

Responsibilities

• Perform routine data entry and updates in ADP Workforce Now.
• Maintain accurate, complete employee records within ADP WFN.
• Generate, run, and distribute standard and ad-hoc HR reports (headcount, turnover, hires, terminations).
• Build and maintain recurring HR reports and report templates within ADP to support leadership requests.
• Prepare HR data into clean reports for monthly/quarterly cycles.
• Respond to routine inquiries regarding ADP system access and basic functionality.
• Support open enrollment and benefits administration with data entry and verification.
• Assist with HRIS data audits to ensure accuracy and policy compliance.
• Maintain HRIS process documentation and training materials.
• Escalate complex system issues to HR Manager or ADP support.

Skills

Data entry accuracy

Attention to detail

Organizational skills

Discretion with confidential data

Communication skills

Time-management

Tools

ADP Workforce Now

Microsoft Excel

Job description

If you are unable to complete this application due to a disability, contact this employer to ask for an accommodation or an alternative application process.

HRIS Administrator

Carson, CA, US

Who We Are

AMPAM Parks Mechanical specializes in multifamily residential construction. The company's core strength is its design-build model that allows clients to minimize risk, shorten construction schedules, and accelerate building occupancy.

What We're Looking For

The AMPAM Carson office is looking for an HRIS Administrator to join our growing HR team. The HRIS Administrator will be responsible for the day-to-day administrative support of all HR systems, including data entry, employee record maintenance, and routine reporting. This role works closely with the HR Manager and broader HR team to ensure HR data is accurate, complete, and up to date across payroll, benefits, and other ADP modules.

What You'll be Doing (But not limited to the following)

• Perform routine data entry and updates in ADP Workforce Now, including new hires, terminations, transfers, and pay or status changes.
• Maintain accurate, complete, and up-to-date employee records within ADP WFN.
• Generate, run, and distribute standard and ad-hoc reports from ADP for HR and business leaders (headcount, turnover, new hires, terminations, etc.).
• Build and maintain recurring HR reports and report templates within ADP to support routine leadership requests.
• Compile and format HR data into clean, accurate reports and summaries for monthly and quarterly reporting cycles.
• Respond to one-off reporting requests from HR, Finance, and department managers, ensuring turnaround within agreed timelines.
• Review reports for data accuracy prior to distribution, flagging and correcting discrepancies as needed.
• Respond to routine employee and manager inquiries regarding ADP system access and basic functionality.
• Support open enrollment and benefits administration by entering and verifying enrollment data.
• Assist with periodic audits of HRIS data to ensure accuracy and compliance with company policy.
• Help maintain HRIS process documentation, job aids, and training materials for end-users.
• Escalate complex system issues to the HR Manager, IT, or ADP support as needed.
• Support new hire onboarding by ensuring employee data is entered accurately and on schedule.
• Assist with organizational chart updates and other routine HR data-maintenance tasks.
• Perform other administrative duties as assigned by the HR team.

Who You Are

• Experience:
  • 1-2 years of experience working with HRIS systems; experience with ADP Workforce Now preferred.
  • Experience with data entry and administrative support in an HR environment.
• Skills:
  • Strong attention to detail and accuracy in data entry.
  • Basic understanding of core HR processes (payroll, benefits, onboarding).
  • Proficient in Microsoft Excel and the Microsoft Office Suite.
  • Strong organizational and time-management skills; able to manage multiple priorities.
  • Ability to handle sensitive and confidential information with discretion.
  • Good written and verbal communication skills.

Additional Information

• The HRIS Administrator plays an important supporting role in maintaining accurate HR data and ensuring the smooth day-to-day operation of the ADP system. This is a great opportunity for someone looking to build a career in HR technology, with room to grow into a more analytical HRIS role over time.

Applicants must be currently authorized to work in the U.S. on a full-time basis without future employment sponsorship