Senior Accountant - Onsite/Hybrid

Prime Matter Labs • New York, NY • Full Time • $70,000–$90,000 / year

Posted on Thu, Sep 17, 2026

Job Title: Senior Accountant
Long Island City, NY
On-site / Hybrid
FLSA Classification: Exempt
About Us
PML is a PE-backed contract manufacturer serving leading beauty and personal care brands. From formulation and filling to packaging and fulfillment, we produce color cosmetics, skincare, and personal care products across 3 manufacturing facilities. We're growing, and we're looking for a hands-on Senior Accountant to strengthen our finance function in a fast-paced, multi-plant manufacturing setting.
The Role
Reporting to the Controller, the Senior Accountant owns core areas of the monthly close and plays a central role in manufacturing cost accounting, inventory integrity, and financial reporting. This is an ideal opportunity for someone who wants exposure to the full cost cycle of a contract manufacturer — from raw materials and components through work-in-process to finished goods and customer profitability.
Essential Duties and Responsibilities

Own assigned areas of the month-end and year-end close, including journal entries, accruals, and account reconciliations, meeting a tight close calendar
Analyze plant and customer/contract profitability and partner with operations on margin drivers
Prepare balance sheet reconciliations and maintain strong documentation and internal controls
Reconcile and value inventory (raw materials, components, WIP, finished goods); investigate cycle-count and physical-inventory discrepancies and support reserve analysis
Support the annual budget, forecasting, and standard cost setting process
Assist with external audit, tax, and PE reporting deliverables, preparing schedules and responding to requests
Assist with standard cost accounting: maintain BOMs and routings, execute standard cost rolls, and analyze purchase price, material usage, labor, and overhead variances
Drive process improvements and help optimize use of the ERP system

Required Qualifications

Bachelor's degree in Accounting or Finance

4+ years of progressive accounting experience,
Solid understanding of US GAAP and
Strong ERP experience and advanced Excel skills
- Detail-oriented, deadline-driven, and comfortable working across finance and operations

Preferred Qualifications

CPA (or actively pursuing)
Experience with manufacturing cost accounting
Understanding standard costing in an inventory-intensive environment
Experience in cosmetics, personal care, food, pharma, or another regulated manufacturing industry
Experience with multi-plant or multi-entity operations
Exposure to a private equity–backed or high-growth environment

Physical Requirements

Primarily office-based work environment during regular business hours.
Frequent use of a computer, phone, and standard office equipment.
Ability to lift and carry up to 20 pounds (files, binders, or office materials).
Ability to sit, stand, walk, bend, and reach as needed throughout the workday

Benefits:

Competitive compensation package
Health, dental, and vision benefits
401K program
The spirit of a startup with the security of an established, profitable industry leader
The opportunity to make waves in a $250B industry
Paid time off and company-observed holidays

Equal Employment Opportunity Statement
Prime Matter Labs is committed to fostering a diverse, equitable, and inclusive workplace. We welcome applicants from all backgrounds, cultures, and experiences. Prime Matter Labs is an Equal Opportunity Employer and does not discriminate on the basis of race, color, religion, sex, national origin, age, disability, veteran status, or any other protected status in accordance with applicable federal, state, and local laws.
Salary Range: $70,000 to $90,000.00

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