Independent Contractor Payroll Jobs in Riverside, CA

ABOUT THE OPPORTUNITY

Mendoza Companies is a multi-entity ecosystem of construction, services, and investment businesses operating under The Mendoza Way. The platform includes High-Light Electric, Inc. (HLE) - a California-based union electrical infrastructure contractor founded in 1996 delivering public works and complex electrical construction across California - along with Mendoza Trust and an international independent contractor workforce.

We partner with Caltrans, municipalities, transit authorities, and infrastructure programs throughout California, with active expansion into Nevada, Arizona, and additional U.S. markets. In 2025, HLE was recognized on the Inc. Regionals Pacific list - #116.

Mendoza Companies is guided by Mission 2040:to build a $1 billion business ecosystem connecting 1,000 families and communities through business.

THE ROLE

The Payroll Clerk is a detail-oriented, compliance-focused support role responsible for assisting with payroll processing activities across the organization.

This role supports the accuracy and integrity of payroll operations, including timecard validation, payroll documentation, reporting support, and coordination with HR, Finance, and Operations teams.

This position is well-suited for someone early in their payroll or accounting career who is highly organized, comfortable working with numbers, and interested in learning payroll compliance in a structured, high-volume environment.

The Payroll Clerk plays an important role in ensuring employees are paid accurately and on time while supporting compliance with applicable wage and hour regulations and internal company policies.

WHAT YOU'LL DO

• Prepare and upload payroll certifications (CPRs) in compliance with DIR and union rules, ensuring backups for audits, labor audits, or internal validation/testing.
• Validate job classifications and collective bargaining agreements (CBAs) by employee and project, coordinating responses with Compliance and Management.
• Process salary adjustments, garnishments, and retroactive payments in a timely and accurate manner, aligning rates according to union updates and HR guidelines.
• Monitor benefits, fringes, and payment dates, supporting internal audits and preventative corrections.
• Reconcile timecards and work records weekly with systems such as Vista and Procore, verifying overtime and special classifications.
• Resolve anomalies in records with the Office and Projects teams, keeping union and administrative documentation up to date.
• Prepare union and government reports, including fringe summaries, and maintain systems ready for audits.
• Assist in compliance with CA Prevailing Wage requirements as applicable.
• Access time & attendance and payroll records, and compile reports as requested.
• Utilize and maintain systems, procedures and policies for payroll/HR/accounting functions to ensure adherence to company guidelines.
• Track and report key functional metrics to reduce waste and improve payroll effectiveness.
• Collaborate with key people to ensure payroll accuracy, integrity, and responsiveness.
• Maintain immaculate and accurate records relating to payroll, expense reimbursements, and benefits.
• Recommend and enforce policies and procedures for payroll activities.
• Create monthly reports to management as needed.
• Assist in compliance with and maximization of the California Employment Training Panel Funding Contract for the reimbursement of training costs.
• Assist with, and/or run special projects as directed by the Director of Finance and/or Director of HR, or help with any payroll or HR projects or activities as needed subject to availability.
• Perform any other duties and tasks as assigned.
  

WHAT WE'RE LOOKING FOR

Required

• Interest in payroll, accounting, HR, or compliance-related work (entry-level candidates encouraged to apply)
• Strong proficiency in Microsoft Excel is required
• Strong attention to detail and accuracy when working with numbers and data
• Ability to manage multiple tasks and deadlines in a structured, fast-paced environment
• Strong communication skills and ability to work collaboratively across teams
• Ability to maintain confidentiality when handling sensitive employee information
• Willingness to learn payroll systems and compliance processes

Preferred

• 1+ year of experience in payroll, accounting support, or administrative roles in California
• Familiarity with payroll or project systems such as Vista, Procore, or similar tools
• Basic understanding of payroll concepts, wage and hour compliance, or union payroll processes
• Bilingual English/Spanish

WHAT TO EXPECT IN THIS ROLE

This role supports payroll operations in a structured, deadline-driven environment where accuracy and attention to detail are essential.

You will work closely with HR, Finance, and Operations teams to support payroll cycles, compliance documentation, and reporting needs across multiple projects.

The role requires strong organization, consistency, and the ability to manage recurring deadlines while maintaining accuracy in a high-volume setting.

WHAT WE OFFER

We offer a competitive and comprehensive benefits package, which may include:

• Medical, dental, and vision insurance
• 401(k) retirement plan
• Paid time off and company holidays
• Employee assistance and wellness programs
• Opportunities for professional growth and development

HIRING PROCESS

Our hiring process is structured, consistent, and designed to ensure a strong mutual fit:

• Application and screening questionnaire
• 10-15-minute structured pre-screen conversation with HR
• Panel interview in person
• Final decision and offer stage

Qualified candidates can expect clear communication and a timely process throughout the hiring stages.

Pre-employment background checks and eligibility verification are required prior to hire.

EQUAL OPPORTUNITY EMPLOYER

HLE is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, gender, sexual orientation, gender identity or expression, national origin, age, disability, protected veteran status, genetic information, or any other characteristic protected by applicable law.