Demo

Payroll & HR Coordinator

FCS
Irvine, CA Part Time
POSTED ON 4/16/2026
AVAILABLE BEFORE 10/12/2026

FirstCarbon Solutions (FCS), an ADEC Innovation is seeking to hire an Payroll & HR Coordinator (CG02). This role will provide administrative and operational support across core human resources functions, including, employee records, benefits administration support, general HR compliance, and maintain and support the entire payroll lifecycle. This role helps ensure a smooth employee experience and effective HR service delivery. The role will be either a hybrid or in-office position in our Irvine office.


Compensation: $23.50 – $27.25 Hourly


Duties and Responsibilities  



  • HR Administration: Maintain accurate employee records and HR documentation and assist with HRIS data entry and employee status changes.

  • Assist with coordinating employee benefits enrollment and manage leave of absence.

  • Employee Support: Serve as a point of contact for basic HR questions and requests and support employee communications and internal coordination.

  • Compliance and Confidentiality: Assist with policy documentation and routine HR compliance tasks and handle sensitive information with discretion.

  • Process full cycle multistate biweekly payroll for approximately 150 employees, including new hire setup, terminations and status changes, timekeeping review and audit, pay calculations and adjustments, direct deposit, deductions, garnishments, and federal and state tax withholdings.

  • Maintain and reconcile payroll records and accounts, including PTO and sick time accruals, manual checks, and standard payroll reports each payroll cycle.

  • Coordinate payroll activities related to benefits and retirement programs, including biweekly 401k contributions, COBRA continuation, workers’ compensation, and unemployment.

  • Respond to employee and external inquiries regarding payroll deductions, accruals, wage garnishments, child support payments, and employment verifications. 


Competencies



  • Organization and Time Management: Keeps HR processes, deadlines, and onboarding activities running smoothly and efficiently

  • Communication and Employee Support: Provides clear, responsive assistance that improves the employee and candidate experience.

  • Attention to Detail and Accuracy: Ensures records, data, and documentation are correct to prevent compliance and payroll issues.

  • Confidentiality and Professional Judgment: Protects sensitive employee information and maintains trust across the organization.

  • HR Systems and Administrative Skills: Uses HRIS and coordination tools effectively to support accurate and consistent HR operations.


Education and Experience



  • 2 - 3 years of HR administrative or coordinator experience

  • Experience employee lifecycle and processing in ADP workforcenow

  • Basic knowledge of California HR laws and regulations, including overtime pay, exempt status, meal and break laws, etc.


FirstCarbon Solutions (FCS), an ADEC Innovation, is a full-service environmental consulting firm focused on improving the world we live in. It's our goal to improve the lives of all the people we work with, whether they are clients, partners, or colleagues. Come join our team of amazing professionals dedicated to making the world a better place! 


We offer competitive salaries based on experience and education. Our comprehensive benefits also include personal and professional development opportunities. 


Work Environment & Physical Demands


In this role, you will frequently be required to sit for extended periods of time and continually need to use hand and finger dexterity. You will also need to talk and hear frequently, and utilize visual acuity to operate equipment, read data and Excel reports, and use a computer keyboard. The work environment will be a standard office setting, with options for hybrid or in-office work.


The above is intended to describe the general content of and requirements for the performance of this job.  It is not to be construed as an exhaustive statement of duties, responsibilities or physical requirements.  Nothing in this job description restricts management’s right to assign or reassign duties and responsibilities to this job at any time. Reasonable accommodation may be made to enable individuals with disabilities to perform the essential functions.


Information Security


Adhering to all policies, guidelines, and procedures pertaining to the protection of information of the organization, employees must maintain confidentiality of all sensitive information to which they are given access. They are also responsible for reporting actual or suspected events or incidents, including vulnerabilities or breaches, that may affect the confidentiality, integrity, and availability of information to members of the Management Team.


Mutual respect is fundamental. Fundamental to our teams. Fundamental to our clients. Fundamental to the communities we serve and live in. Fundamental to the landscapes we work within. We need you and your unique talents, history, and background to become the Company we aspire to be. We insist upon a culture of common respect, expect transparency, and celebrate the fundamental value and dignity of all individuals. Our mutual equality as humans is the path to diverse and innovative collaboration. We cultivate integrity, driving us to growth, and allowing us to achieve more together than we could ever hope to as individuals. 

Salary : $24 - $27

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