Senior Accounting Manager​/Controller

Senior Accounting Manager / Controller

Tri Source International is a growing global Business Process Outsourcing (BPO) organization headquartered in Valencia, California. We support clients across the United States, Mexico, Latin America, and other international markets through customer service, sales, back-office, and technology solutions.

We are seeking an experienced Senior Accounting Manager / Controller to take ownership of the accounting and financial operations for multiple businesses and entities under common ownership. This is a hands-on role and the primary accounting and finance position within the organization. The successful candidate will be responsible for the full accounting cycle while working directly with executive leadership to provide financial insight, improve processes, strengthen controls, and support business decisions.

This role goes well beyond traditional bookkeeping or accounting management. We are looking for someone who can own the numbers from transaction-level accounting through executive-level financial reporting, while also identifying opportunities to improve profitability, reduce costs, strengthen cash flow, improve customer billing and collections, and establish sound financial practices.

The ideal candidate is a proactive business partner who does not simply report what happened but understands why it happened, identifies risks and opportunities, and makes practical recommendations for what the business should do next.

Key Responsibilities:

• Full-Cycle Accounting
• Accounts Payable & Vendor Management
• Accounts Receivable, Customer Billing & Collections
• Financial Reporting & Analysis
• Multi-Entity & International Accounting
• Cost Control & Business Improvement
• Internal Controls & Best Practices
• Tax, Audit & Compliance
• Executive Partnership