Union Payroll Specialist

Union Payroll Specialist St. Louis, MO (hybrid schedule) *Opportunity to grow with a large organization in the STL area! Job Description We are seeking a detail-oriented and dedicated Payroll Specialist to manage payroll operations and ensure accurate and timely processing of payroll data. The ideal candidate will maintain confidentiality and compliance with applicable regulations while supporting the company's mission and values. Responsibilities Obtain and enter accurate and timely HR information and payroll data into the payroll system. Analyze and input timecard data into the computerized payroll system. Maintain confidentiality of all company, employee, and customer data. Ensure employee wages are paid in accordance with collective bargaining agreements. Process payroll changes, including new hires, promotions, terminations, transfers, leaves of absence, garnishments, manual checks, and various payroll deductions. Ensure compliance and follow controls to achieve error-free payroll and detect discrepancies. Respond accurately and timely to management and employee inquiries, consulting with others as needed. Track and submit certified reports to ensure compliance for prevailing wage jobs. Scan and archive payroll-related documents following approved policies and procedures. Essential Skills High School diploma or equivalent; Associate degree in business administration, accounting, or related field preferred. Minimum 2+ years of work experience in payroll processing (union). Experience using payroll software and systems, preferably eCMS software systems. Expertise in Microsoft Office applications, specifically Excel. Experience working with confidential information and maintaining information security. Superior analytical and mathematical skills. Strong independent problem-solving skills and high detail orientation. Excellent listening, written, and verbal communication skills. Additional Skills & Qualifications Certified Payroll Professional (CPP) certification or interest in achieving it preferred. Knowledge of the construction industry is a plus. Demonstrated high level of integrity and dependability. Effective collaboration, organizational, prioritization, interpersonal, and relationship-building skills. High-quality documentation and report preparation. Work Environment The work schedule is Monday to Thursday in the office from 8 AM to 5 PM, with the option to work from home on Fridays. Job Type & Location This is a Contract to Hire position based out of Fenton, MO. Pay and Benefits The pay range for this position is $36.00 - $40.00/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 hybrid position in Fenton,MO. Application Deadline This position is anticipated to close on Sep 19, 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 astoncarteraccommodation@astoncarter.com 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.