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EMCOR Group

End-to-end mechanical and electrical construction services

HR/Payroll Assistant

HR Operations & CoordinationConfirmed live in the last 24 hours
Full-timeMartinez, CA, USA$24 - $30 /hrIn-person

About the Job

Requirements

  • Working knowledge of California wage and hour laws.
  • Proficiency with Microsoft Excel and HR/payroll systems.
  • Familiarity with certified payroll.
  • Proficiency in Microsoft Office applications, including Outlook, Word, and Excel.
  • Ability to communicate effectively in English with customers, employees, unions, government agencies, vendors, suppliers, and contractor organizations.
  • Ability to work independently with little or no supervision after receiving instruction.
  • Ability to ask appropriate questions about assignments and recommend improvements.
  • Ability to maintain confidentiality of sensitive employee information.
  • Ability to sit, stand, and work at a computer for extended periods; the role may require occasional lifting or moving of up to 25 pounds.

Responsibilities

  • Assist with weekly or bi-weekly payroll processing for field and office employees using the Vista (Viewpoint) system.
  • Set up and maintain employee records in Vista, including pay rates, job assignments, and deductions.
  • Assist with certified payroll reports, as applicable.
  • Enter and verify payroll data in payroll and timekeeping systems.
  • Respond to employee payroll inquiries and resolve discrepancies.
  • Coordinate with field supervision to resolve time-entry issues before payroll submission.
  • Maintain accurate payroll and timekeeping records in compliance with California labor laws.
  • Assist with new-hire onboarding, including I-9 forms, E-Verify, and onboarding documentation.
  • Maintain digital and physical employee personnel files.
  • Track employee status, pay, and benefits changes and eligibility.
  • Support benefits administration and open-enrollment activities.
  • Support HR compliance efforts, audits, and documentation.
  • Assist with HR and payroll compliance audits, including wage-and-hour, PAGA-related, or internal reviews.
  • Support payroll system implementations, upgrades, or configuration changes in Vista.
  • Participate in process-improvement initiatives related to timekeeping, payroll workflows, or employee onboarding.
  • Assist with data cleanup, reporting, and reconciliation projects in Vista.
  • Support policy rollouts or procedure updates and assist with employee or supervisor communications.
  • Assist with government inquiries, agency audits, or legal document preparation under HR Manager direction.
  • Comply with company operating policies, procedures, and safety requirements, and with EMCOR’s Values, Business Code of Conduct, and Business Ethics.
  • Communicate verbally and in writing one-on-one, in small groups, and in presentations to larger groups of employees; move within the office to retrieve files and meet with employees.

Desired Qualifications

  • 0–3 years of experience in HR administration and/or payroll processing.
  • Strong attention to detail and accuracy.
  • Ability to interact professionally with field employees and management.

About the Company

EMCOR Group

End-to-end mechanical and electrical construction services

EMCOR Group provides mechanical and electrical construction, industrial and energy infrastructure, and building services. It delivers end-to-end solutions for complex projects by designing, integrating, installing, and maintaining systems through contracts and long-term service agreements. The company differentiates itself with deep technical expertise, a strong emphasis on safety and quality, and a broad mix of commercial, industrial, institutional, and governmental clients. Its goal is to reliably complete facilities and infrastructure projects and sustain ongoing maintenance and service for enduring client relationships.

Company size
1,001-5,000
Company stage
IPO
Headquarters
Norwalk, CT
Founded
1994

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