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

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.

• 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.

• 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.

• 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.