Corporate Payroll Administrator

Corporate Payroll Administrator Req #113 Corporate Office, 201 NE Park Plaza Drive, Vancouver, Washington, United States of America Apply Share Job Description Posted Tuesday, March 31, 2026 at 3:00 AM Build Your Future at NWPX At NWPX Infrastructure, we manufacture welded steel pipe and precast products that form the backbone of America's water infrastructure. It's work you can be proud of—and an opportunity to advance your career with a company committed to your professional growth and well-being. Our brands—Northwest Pipe Company, NWPX Park, and NWPX Geneva—set the standard for safety, quality, innovation, and performance. Guided by our core values of Accountability, Commitment , and Teamwork , our people work collaboratively to deliver reliable products and trusted service to our customers—while building stable, rewarding careers along the way. For over 50 years, NWPX has been a leader in reliable water infrastructure solutions, and our people are the foundation of our success. Build your future with us and be part of a legacy grounded in water .

WHAT NWPX OFFERS YOU

Medical, Dental, Vision, Life, AD&D Insurance Paid Vacation, Holidays, and Sick Time 401k Retirement Savings Plan with Employer Match On-Demand Pay (Access Your Earned Wages Before Payday) Bonus Potential Up to $5,000 per year Tuition Reimbursement Safety Footwear and Eyewear Voucher (Day 1 of Employment) Employee Assistance Program (EAP) Opportunities for Career Advancement Values-Driven Culture Committed to Equal Opportunities and Safety

ABOUT THE JOB

Working as a member of the Human Resources team, the Payroll Administrator is primarily responsible for processing, maintaining, and reconciling payroll to ensure employees are paid accurately, on time, and in compliance with company policies, government regulations, and Sarbanes-Oxley (SOX) requirements. This role maintains strong internal controls, supports audit readiness, and ensures the integrity of payroll data.

ESSENTIAL FUNCTIONS AND RESPONSIBILITIES

Prepare, analyze, and process payroll, including entering and auditing payroll data within Dayforce (Ceridian) or applicable payroll system Perform payroll reconciliations and provide reports to support the Finance department Execute and document internal controls to validate completeness and accuracy of payroll processing in compliance with SOX requirements Maintain payroll records and supporting documentation in an audit-ready state Ensure compliance with federal, state, and local payroll, wage, and hour laws and company policies Process wage garnishments, employment verifications, and other payroll-related transactions Maintain employee payroll files, including auditing for accuracy and proper record retention Provide excellent customer service and support to employees and HR team regarding payroll-related inquiries Support year-end payroll activities, including tax reporting and filings (e.g., W-2s) Collaborate with HR, Finance, and external vendors to ensure accurate payroll processing and reporting Regular, reliable, and predictable attendance is required

SECONDARY RESPONSIBILITIES

Provide backup support for benefits administration, including employee enrollments, changes, and responding to employee inquiries Assist with benefits-related reporting, invoice review, and vendor coordination Provide backup support for leave administration, including tracking FMLA, state leaves, disability Ensure payroll impacts related to benefits and leave are accurately reflected when assisting Support audits by gathering payroll and benefits documentation Participate in process improvements while maintaining compliance with internal controls Other duties as assigned

SUPERVISORY RESPONSIBILITIES

None

KNOWLEDGE, SKILLS, ABILITIES

To perform the duties and responsibilities of this position successfully, individuals must: Demonstrate strong knowledge of payroll fundamentals, including payroll laws, regulations, reconciliations, and internal controls Have working knowledge of SOX compliance and audit documentation practices Possess a basic understanding of employee benefits and leave administration processes Maintain strict confidentiality and handle sensitive employee data with discretion Communicate clearly and professionally, both verbally and in writing Demonstrate strong organizational, analytical, and problem-solving skills Be detail-oriented with a high degree of accuracy Effectively manage multiple priorities and deadlines Work independently and collaboratively in a team environment Proficiency in Microsoft Office (especially Excel, including pivot tables and data analysis) Experience with HRIS/payroll systems such as Dayforce (Ceridian) or similar platforms preferred

EDUCATION / EXPERIENCE

Experience processing payroll for a mid-sized organization Experience with multi-state payroll preferred Experience with benefits and leave administration processes preferred

PHYSICAL DEMANDS/WORK ENVIRONMENT

Project timelines and work volume / deadlines may often require working outside of standard office hours weekend or evening work. Regular, reliable and predictable attendance is necessary in order to perform the essential functions of this position. Physical Activity Over 2/3 of the time

Standing/Sit:

Remaining upright in a stationary position, particularly for sustained periods.

Fingering:

Picking, pinching, typing or otherwise working, primarily with fingers rather than with whole hand or arm as in handling to complete computer work. Up to 2/3 of the time:

Talking:

Expressing or exchanging ideas by means of the spoken word; those activities where detailed or important spoken instructions must be conveyed to other workers accurately, loudly, or quickly.

Communicating:

Expressing or exchanging ideas and information accurately, in written or diagram form.

Hearing:

Perceiving the nature of sounds at normal speaking levels with or without correction, and having the ability to receive detailed information through oral communication, and making fine discriminations in sound. Less than 1/3 of the time:

Reaching:

Grabbing things from a distance above or from the side.

Walking:

Moving about to accomplish tasks, particularly for long distances or moving from one work site to another.

Physical Requirements Sedentary work:

Exerting up to 10 pounds of force occasionally and/or a negligible amount of force frequently or constantly lifting, carrying, pushing, pulling or otherwise moving objects, including the human body Visual Acuity The worker is required to have close visual acuity to perform an activity such as preparing and analyzing data and figures; transcribing; viewing a computer terminal; extensive reading; and visual inspection involving small defects at distances close to the eyes. For up to 2/3 of the amount of time, the worker is required to have close vision (clear vision at 20 inches or less). For less than 1/3 of the amount of time, the worker is required to have color vision (ability to identify and distinguish colors). Weather Conditions The worker is not substantially exposed to adverse environmental conditions (as in typical office or administrative work) Noise Levels Over 2/3 of the time Quiet conditions (examples: library, private office) Moderate noise (examples: business office with computers and printers, light traffic) Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions. Except where prohibited by state law, offers of employment may be contingent upon the successful completion of a background check, drug test, and/or physical examination, as determined by the essential functions and physical requirements of the position. NWPX Infrastructure is committed to equal employment opportunity. Veterans and individuals with disabilities are encouraged to apply. NWPX Infrastructure reserves the right to close the position, with or without notice, if a qualified candidate is identified prior to the close date. Job Details Pay Type Hourly Hiring Min Rate 25 USD Hiring Max Rate 31 USD Scan this QR code and apply! Download Corporate Office, 201 NE Park Plaza Drive, Vancouver, Washington, United States of America