Job Summary

Tri Source International is a global Business Process Outsourcing (BPO) organization with headquarters in Valencia, California. We support clients worldwide and pride ourselves on a collaborative, supportive, and positive team environment. We are looking for a reliable and detail-oriented Bookkeeper / Accountant to join our onsite team and contribute to our continued growth.

Company Background

We’re revolutionizing the way businesses interact with customers through intelligent, AI-driven call center solutions. Our services help companies scale customer support, sales, and communication—without sacrificing quality or performance.

Company Culture & Mission

TSI makes outsourcing simple so that our clients can focus on their core business and drive sales growth. TSI is the sales, customer service, and back-office support engine behind many top brands, products, and services. We support our portfolio clients from world-class Call Centers located in the Los Angeles metro, Mexico and Latin America. We are very selective with the partners with whom we engage as well as the teammates we invite to be a part of our family. This keeps us focused on our Values: People, Passion, Balance, Transparency, Results and Fun!

Key Responsibilities:

Accounting & Bookkeeping

Maintain accurate financial records and general ledger entries
Process accounts payable and accounts receivable
Perform bank, credit card, and account reconciliations
Prepare monthly, quarterly, and annual financial reports

Global & BPO Operations

Support multi-entity and multi-currency accounting activities
Assist with client billing, revenue tracking, and cost allocation
Work closely with internal teams to ensure accurate financial data

Compliance & Reporting

Ensure compliance with GAAP and internal financial controls
Assist with audits, tax filings, and regulatory reporting

Team & Process Support

Collaborate with the team in a fast-paced environment
Help improve accounting processes and documentation

Qualifications

Required

Bachelor’s degree in Accounting, Finance, or related field
3+ years of bookkeeping or accounting experience
Proficiency in accounting software and Excel
Strong attention to detail and organizational skills
Comfortable working onsite in Valencia, CA (This is not a remote position)

Preferred

Experience in a BPO, shared services, or multi-entity environment
CPA, CMA, or bookkeeping certification
Experience with payroll and multi-state or international operations

Why You’ll Love Working Here

Onsite role with a supportive and friendly team atmosphere
Stable, growing global company
Hands-on role with real impact
Opportunities to learn and grow within the organization

Job Type: Full-time

401(k) matching
Dental insurance
Health insurance
Life insurance
Paid time off
Vision insurance

Work Location: In person

Tri Source & Nearstaff Solutions

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