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Invoice Assistant Jobs in California (NOW HIRING)

Optima Office

Assistant Controller

San Diego, CA · On-site

$130K - $140K/yr

Supervise all AR functions including customer invoice generation, credit card processing, check ... The Assistant Controller will have real authority, real visibility, and real accountability. This ...

Optima Office, Inc

Assistant Controller

San Diego, CA · On-site

$130K - $140K/yr

They are seeking an Assistant Controller who is experienced and hands-on to own the financial ... Supervise all AR functions including customer invoice generation, credit card processing, check ...

Optima Office

Assistant Controller

San Diego, CA · On-site

$130K - $140K/yr

They are seeking an Assistant Controller who is experienced and hands-on to own the financial ... Supervise all AR functions including customer invoice generation, credit card processing, check ...

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Invoice Assistant information

What is an invoice assistant?

Invoice Assistants are administrative professionals who support the billing and accounting departments of a company by managing invoices and related documentation. Their main duties typically include preparing, processing, and tracking invoices, verifying billing information, and communicating with clients or vendors to resolve discrepancies. They also help ensure that payments are received and recorded accurately and on time. Attention to detail and organizational skills are crucial in this role, as Invoice Assistants often handle sensitive financial information.

What are the key skills and qualifications needed to thrive as an invoice assistant, and why are they important?

To thrive as an Invoice Assistant, you need strong numerical accuracy, attention to detail, and experience with basic accounting or finance principles, often supported by a high school diploma or associate degree. Familiarity with invoicing software, spreadsheets (like Microsoft Excel), and accounting systems such as QuickBooks or SAP is typically required. Effective communication, organizational skills, and time management set top performers apart in this role. These skills are crucial for ensuring accurate billing, timely payments, and smooth financial operations within an organization.

What are some common challenges faced by an invoice assistant and how can they be managed?

Invoice Assistants often encounter challenges such as handling high volumes of invoices, ensuring accuracy under tight deadlines, and resolving discrepancies between purchase orders and invoices. To manage these, it's important to develop strong organizational skills, attention to detail, and effective communication with both vendors and internal teams. Familiarity with accounting software and proactive follow-up can also help streamline the process and reduce errors.

What is the difference between Invoice Assistant vs Accounts Payable Clerk?

AspectInvoice AssistantAccounts Payable Clerk
CredentialsHigh school diploma or equivalent; some roles may require basic accounting knowledgeHigh school diploma; some roles prefer accounting or finance certifications
Work EnvironmentOffice setting, handling invoice processing and data entryOffice setting, managing vendor payments and invoice verification
Employer & Industry UsageUsed across various industries for invoice managementCommon in finance, manufacturing, and retail sectors for payment processing
Search & Comparison IntentOften searched by those looking for entry-level invoice rolesCompared for understanding payment processing and accounts management

The Invoice Assistant and Accounts Payable Clerk roles share similarities in office environments and basic financial tasks. However, the Invoice Assistant typically focuses on data entry and invoice processing, while the Accounts Payable Clerk handles vendor payments and invoice verification. Both roles are essential in financial operations but differ slightly in scope and responsibilities.

What does an invoice assistant do?

An invoice assistant is responsible for preparing, processing, and managing invoices to ensure accurate billing and record-keeping. They often use accounting software and verify payment details, supporting the finance or accounting team in maintaining financial accuracy and efficiency.

What are the most commonly searched types of Invoice jobs in California?

The most popular types of Invoice jobs in California are:

What cities in California are hiring for Invoice Assistant jobs?

Cities in California with the most Invoice Assistant job openings:

Invoice Assistant jobs near you
Infographic showing various Invoice Assistant job openings in California as of August 2026, with employment types broken down into 2% As Needed, 79% Full Time, 16% Part Time, 1% Temporary, and 2% Contract. Highlights an 98% Physical, 1% Hybrid, and 1% Remote job distribution.

Invoice & Billing Specialist

Addison Group

Lake Forest, CA • On-site

$23 - $26/hr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Re-posted 4 days ago

Job description

Invoice & Billing Specialist

Location: Lake Forest, CA

Schedule: Hybrid Schedule (Mondays & Fridays work from home)

Employment Type: Direct Hire / Permanent

Pay: $23.00–$26.00 per hour

About the Opportunity

A growing technology company is seeking a motivated, detail-oriented Invoice & Billing Specialist to join its Accounting team. This is an excellent opportunity for someone early in their career who enjoys solving problems, collaborating across departments, and building a strong foundation in accounting and billing.

This position focuses on reviewing invoices, identifying and resolving discrepancies, and ensuring customer invoices are processed accurately and on time. The ideal candidate is patient, organized, and comfortable following up with multiple internal teams to gather information and resolve billing issues.

Responsibilities

  • Review, prepare, and process customer invoices for products, services, installations, and subscription renewals.
  • Compile invoices with supporting documentation for customer submission.
  • Submit invoices through customer portals and via email when applicable.
  • Maintain billing records, invoice trackers, and shared documentation.
  • Monitor and manage the billing inbox.
  • Apply customer prepayments and ensure accurate invoice balances.
  • Respond to customer requests for invoice copies and billing inquiries.
  • Investigate and resolve invoice discrepancies by collaborating with internal departments.
  • Resubmit corrected invoices as needed.
  • Support billing audits and maintain organized invoice archives.
  • Assist with additional invoicing and accounting projects as assigned.
  • Identify opportunities to improve billing processes and efficiency.
  • Cross-train on other accounting functions as needed.

Qualifications

  • Associate's degree (AA) in Accounting, Business, or a related field, or currently working toward a degree.
  • Bachelor's degree in Accounting or Finance is a plus.
  • Previous billing, invoicing, accounting, or administrative experience is preferred but not required.
  • Understanding of basic accounting principles and GAAP is a plus.
  • Strong Microsoft Office skills, particularly Excel.
  • Excellent attention to detail and organizational skills.
  • Strong written and verbal communication skills.
  • Comfortable learning new software and navigating billing portals.
  • Ability to work collaboratively with multiple departments to resolve issues.
  • Positive attitude with a willingness to learn and grow.

Benefits

  • Attractive Total Compensation Package
  • Flexible hybrid work schedule
  • Comprehensive healthcare benefits including medical, dental, and vision coverage; Life/ADD/LTD insurance; FSA/HSA options.
  • 401(k) Plan with Employer Match
  • Generous Paid Time Off (PTO) policy
  • Observance of 11 paid company holidays

Addison Group is an Equal Opportunity Employer. Addison Group provides equal employment opportunities (EEO) to all employees and applicants for employment without regard to race, color, religion, gender, sexual orientation, national origin, age, disability, genetic information, marital status, amnesty, or status as a covered veteran in accordance with applicable federal, state and local laws. Addison Group complies with applicable state and local laws governing non-discrimination in employment in every location in which the company has facilities. Reasonable accommodation is available for qualified individuals with disabilities, upon request.