Business Operations Manager

Colosseum International Inc. | Torrance, CA (LA Office) | Full-time | On-site

About Colosseum International

Colosseum International Inc. is the U.S. entity of Colosseum Corporation. We are a small but fast-growing team building the foundation of our American operations — expanding fulfillment capabilities, onboarding partners, and supporting K-brands entering and scaling in the U.S. market. As one of the early members of the U.S. team, you will have real ownership and growth opportunities in a flexible, hands-on environment.

Colosseum Corporation (our parent company based in Seoul) is a global total logistics partner that leverages a network of connected warehouses and AI-driven solutions to support end-to-end supply chain needs. The company delivers integrated services spanning inbound logistics, order processing, packaging, shipping, and return management.

Role Description

We are looking for a Business Operations Manager (or strong Junior level) to join our lean U.S. team in the LA office. This is a practical, generalist role supporting the overall business administration of Colosseum International.

You will work closely with local vendors and Korean teams on day-to-day operational, financial, and administrative matters. The role focuses on reliable execution of essential tasks rather than large-scale process redesign or team leadership. We are seeking someone who wants to grow with us as an original member of the U.S. team and is motivated to work hard in a close-knit, family-like atmosphere.

Key Responsibilities

Monitor cash position, process payments (AP), track receivables (AR), and support accurate financial record-keeping
Coordinate with external accountants, bookkeepers, and service providers on reporting, reconciliations, and documentation
Manage insurance renewals, basic compliance filings, and settlement-related paperwork
Support HR administration (onboarding documents, benefits coordination, time-off tracking, etc.) as the team grows
Serve as the primary local point of contact for vendors and Korean business management teams (Finance, Legal, HR, Operations)
Maintain organized records, track key deadlines, and prepare simple status updates for leadership
Assist with general office and administrative needs of the LA office
Proactively identify and follow up on issues such as outstanding payments, expiring policies, or missing documents
Support the design and continuous improvement of standard processes (Business management)

Qualifications

2–3+ years of experience in business operations, office management, accounting administration, or a similar generalist role (startup or small company experience preferred)
Strong organizational skills and attention to detail
Proficiency in Excel and basic bookkeeping tools (QuickBooks Online experience is a plus)
Self-motivated, reliable, and comfortable working in a lean, fast-paced environment
Experience supporting multi-entity or cross-border coordination is a plus
Bachelor’s degree preferred but not required if relevant experience is solid
Clear communication skills in English
Korean speaking preferred

What We Offer

Base salary: $70,000 – $90,000 (depending on experience)
Opportunity to grow as an early member of the U.S. team in a small but fast-growing and flexible environment
Direct exposure to cross-border logistics and close collaboration with Korean HQ
Family-like atmosphere where ownership and hard work are valued
Clear career growth opportunities as the U.S. entity scales

Colosseum Corperation

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Business Operations Manager