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PAYROLL SPECIALIST

Mersen Corporate Services SAS
Saint Marys, PA Full Time
POSTED ON 12/27/2025
AVAILABLE BEFORE 2/26/2026
Location: St Marys, PA, US, 15857
Desk Designation: Onsite
Job Req ID: 1870
Type of Contract: Permanent Full-Time

Mersen is a global expert in electrical specialties and advanced materials for high-tech industries, with St. Marys as a world leader in the manufacture of isostatic graphite. With more than 50 industrial sites and 16 research and development centers in 33 countries around the world, Mersen develops custom built solutions and delivers key products to its clients to meet the new technological challenges shaping tomorrow’s world.

For over 130 years, Mersen has focused tirelessly on innovation to accompany its clients and meet their needs. Be it in wind power, solar power, electronics, electric vehicles, aeronautics, space or countless or other sectors, wherever technology is progressing, you will always find a bit of Mersen.

General Description

Responsible for all hourly payroll functions at the St Marys site. This position reports directly to the Human Resources Manager.


Primary Duties/Responsibilities

  • Bi-weekly payroll processing and audits for all hourly employees
  • Entering daily timecards into Pro III system
  • Attendance including tardy and absence tracking, verifying/correcting missed or errored time punches, and time tracking of employees out on FMLA, short/long term disability, worker’s compensation, etc.
  • Balances vacation and floating holidays within ADP
  • Bi-weekly and monthly reporting to HR and Accounting
  • Tracks wage progressions and evaluations on new employees
  • Maintains personnel files of all hourly associates
  • Other duties as assigned by the Human Resources Manager
  • Operates a multi-line switchboard, answers, and appropriately routes all incoming calls for various business units with courtesy, speed, and accuracy
  • Receives outside visitors, directs or escorts them to their destination. Assists visitors with badge system and pre-entry screenings and forms

Minimum Qualifications

Targeted candidates should have a minimum of two years of experience in the performance of the payroll function. Computer proficiency and HRIS experience is a must. Experience with ADP payroll processing is desired. An Associate’s degree in Business or related function is a plus.

Why Join MERSEN St Marys?

At Mersen, we are proud to be drivers of progress and to contribute to tomorrow’s world.
  • Shared values and ethics.
  • Collaborate with a diverse team that embraces challenges and bring great ideas to life.
  • Learn and grow with us through our Learning and Development training programs.
  • We champion diversity; diversity drives our identity.
  • Retirement, 401K/Roth with employer contribution.
  • Medical, Prescription Drug, Dental, Vision, and Supplemental Life Insurance.
  • Employee Assistance Program (EAP).
  • Company provided employee life insurance.
  • Paid Vacation, Sick time and 12 Paid Holidays

Questions can be sent to the HR Manager at dana.ahlberg@i.mersen.com

This job description is not all inclusive. An employee may also perform other activities as required to support the business, management team, or employees, as required.

MERSEN USA GS Corp is an equal opportunity employer encouraging individuals with disabilities and veterans to apply. Federal and/or state laws prohibit discrimination in employment because of sex, age, race, color, religious creed, national origin, ancestry, age, citizenship, service in the armed forces of the United States, disability, generic information, or any other classification protected by the applicable federal, state, or local law. Mersen provides reasonable accommodations to disabled individuals to assist in the hiring process and to qualified individuals with disabilities in the performance of essential job functions, as required by federal, state, or local law. Please inform the Human Resources Department if you need assistance completing any forms or to otherwise participate in the application process.



Nearest Major Market: Pittsburgh

Salary.com Estimation for PAYROLL SPECIALIST in Saint Marys, PA
$57,943 to $78,002
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