Senior Accounts Receivable Specialist

About the role

As a senior-level individual contributor, you will play an important role in maintaining the financial health of the business by ensuring invoices are processed accurately, customer payments are collected on time, and account balances are properly maintained. You will serve as a key partner to customers and internal teams, helping resolve billing issues, reduce past-due balances, and improve cash flow. This is a relationship-driven, business-to-business Accounts Receivable position that combines collections, customer service, and problem-solving.

You will collaborate closely with Sales, Customer Service, Operations, and Finance teams to support a seamless billing and collections process. You'll have the opportunity to manage complex customer accounts, analyze account trends, recommend process improvements, and drive efficiencies that support both customer satisfaction and business performance.

This is primarily an on-site, full-time position based in Los Angeles, CA (Cerritos), with a Monday through Friday schedule.

Responsibilities

• Maintain and oversee accounts receivable transactions in compliance with internal controls, accounting standards, and company policies.
• Partner with Sales, Customer Service, and Operations teams to ensure accurate invoicing and timely resolution of billing discrepancies.
• Manage complex and high-value customer accounts, including national and strategic account relationships.
• Monitor customer account aging and proactively support collection efforts to improve cash flow and reduce outstanding balances.
• Generate, review, and analyze aging reports and collections metrics to identify trends, risks, and opportunities.
• Respond to customer inquiries regarding invoices, payments, deductions, credits, and account balances.
• Reconcile customer accounts and investigate discrepancies to ensure accurate financial records.
• Access and navigate customer vendor portals to research invoices, submit documentation, resolve disputes, and support collections activities.
• Review customer payment history and credit information and provide recommendations regarding credit limits and payment terms.
• Collaborate with internal stakeholders to identify and resolve issues that may impact customer relationships or collections performance.
• Assist in the development, documentation, and improvement of Accounts Receivable processes and procedures.
• Serve as a resource for Accounts Receivable best practices and support team initiatives, projects, and process improvement efforts.
• Identify and implement process enhancements that improve productivity, increase efficiency, and support business growth.
• Support month-end and year-end activities related to accounts receivable, as needed.

Requirements

• High School Diploma or equivalent required; Bachelor's Degree preferred.
• 3+ years of Accounts Receivable, collections, credit, or related accounting experience.
• Experience managing high-volume and/or high-value customer accounts.
• Strong understanding of accounts receivable processes, invoicing, collections, account reconciliation, and credit management.
• Experience analyzing aging reports and managing customer account portfolios.
• Experience working with customer vendor portals, electronic billing systems, or customer account management platforms preferred.
• Strong customer service, communication, and relationship-building skills.
• Ability to work independently, exercise sound judgment, and solve complex account issues with minimal supervision.
• Strong organizational skills with the ability to prioritize multiple tasks and deadlines in a fast-paced environment.
• Proficiency with Microsoft Excel and ERP/accounting systems.
• High attention to detail and commitment to accuracy.
• Experience in business-to-business (B2B) collections or customer-facing Accounts Receivable environments preferred.

Benefits

• Medical, dental, vision, and life insurance available to employees and eligible dependents starting the first day of the month after 30 days of employment.
• 401(k) retirement plan with a generous company match of $0.75 per $1.00 contributed, up to 6% of eligible pay, available after 30 days.
• Paid time off, including:
  • 10 vacation days and 2 personal days annually (prorated in the first year based on hire date).
  • 40 hours annual sick pay.
  • 6 paid national holidays and 2 floating holidays.

Pay

Bunzl California hourly pay for this role is $28.00–$32.00 per hour based on education and experience.