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HR/Payroll Assistant

ArcelorMittal.com

Office

PORTLAND, TX, United States

Full Time

The HR/Payroll Assistant provides essential administrative support to the Human Resources and Payroll functions, ensuring accuracy, timeliness, and confidentiality in all employee data and transactions. This role is responsible for handling time & attendance information, preparing Personnel Action Forms (PAFs), maintaining personnel files, supporting payroll tracking activities, and assisting with daily HR operations.

Tasks & Responsibilities:

  • Review, validate, and reconcile time & attendance data and following up with supervisors on missing or inaccurate entries.
  • Maintain the payroll tracker and ensure all employee changes, corrections, and approvals are recorded accurately.
  • Prepare PAFs for new hires, terminations, pay changes, status updates, transfers, and other personnel actions.
  • Assist with pre-payroll audits and support general payroll processing tasks, including researching discrepancies.
  • Maintain shift schedule assignments and standardized scheduling templates for hourly and shift-based personnel, ensuring updates are accurately reflected in HRIS system.
  • Support the review and distribution process of W-2s and other required tax statements, assist with verification and corrections as needed.
  • Ensure payroll deduction codes are accurately set up and maintained in accordance with child support orders, benefit elections, garnishments, and other authorized deductions.
  • Generate attendance, overtime, and labor reports for management.
  • Maintain organized and compliant personnel files, both digital and physical.
  • Support onboarding and offboarding processes, including document collection and coordination of required steps.
  • Schedule and coordinate HR-related meetings, orientations, and training sessions.
  • Monitor shared HR inbox and responding to our routine requests.
  • Support HR projects, training, communications, and employee events as needed.
  • Handle sensitive information with strict confidentiality and assisting with routine audits such as I-9, dependent verification and personnel file review.
  • Ensure adherence to Safety and Environmental policies, procedures, and requirements, with a commitment to continuous improvement toward achieving a zero-harm and zero-environmental-impact workplace.
  • Perform other duties as assigned to support and contribute to the facility’s overall success.

Qualifications:

  • High school diploma or equivalent required, associate or bachelor’s degree in human resources, business administration, accounting, or a related field preferred.
  • 1–3 years of experience in an HR, payroll, accounting or administrative support role.
  • Proficiency in HRIS and timekeeping systems, with the ability to quickly learn new systems and processes.
  • Strong proficiency in Microsoft Office Suite, particularly Excel (data entry, spreadsheets, basic reporting), Outlook, Word, and PowerPoint.
  • Excellent attention to detail with a high level of accuracy in data entry, reporting, and recordkeeping.
  • Strong organizational, planning, and time-management skills with the ability to manage multiple priorities and meet deadlines.
  • Effective written and verbal communication skills in English, with the ability to interact professionally with employees, supervisors, and management.
  • Critical thinking and communication skills.
  • Ability to handle confidential and sensitive information with discretion, integrity, and professionalism.
  • Reliable transportation to and from the job site

HR/Payroll Assistant

Office

PORTLAND, TX, United States

Full Time

December 20, 2025

ArcelorMittal