Warehouse and Office Assistant

System One; Sayreville (NJ); On-site; USD 28,000 - 33,000; Full time

Job summary

System One, Inc. in Parlin, NJ, seeks an Inventory & Office Assistant to support warehouse and office tasks on-site. You will perform cycle counts, data entry in ERP, assemble shipping labels, help with AR/AP, and maintain organized records. The role is temp-to-hire, Monday–Friday, 8:00 AM–4:30 PM, with $20–$24/hour based on experience.

Experience in basic math, reading a tape measure, and MS Office is required. No remote work; on-site collaboration with the Office Manager and Production team.

Qualifications

• High school diploma or GED required (some college or extra training is a plus).
• At least 6 months of warehouse support experience.
• Comfortable with basic math and fractions; able to read a tape measure.
• Basic computer skills including ERP/database systems and MS Office.
• Must be open to temp-to-hire; on-site, no remote work.

Responsibilities

• Performs basic cycle counts on finished products, supplies, and materials.
• Sorts parts by size and places them in the correct bins.
• Stocks and restocks items in inventory.
• Keeps paperwork and files organized and easy to find.
• Uses a tape measure to measure and label scrap items.
• Helps file, copy, scan, and create digital documents (like orders or invoices).
• Assists with AR/AP, including entering invoices and basic journal entries.
• Enters information into the ERP system.
• Helps process online orders by printing shipping labels and work orders.
• Works closely with the Office Manager.
• Performs other office/administrative tasks as needed.

Skills

Basic math

Attention to numbers

Tape measure reading

ERP familiarity

Education

High school diploma or GED

Tools

ERP/database system

Microsoft Word

Microsoft Excel

Microsoft Outlook

Job description

Job Title: Inventory & Office Assistant
Location: Parlin, NJ
Type: Temp-to-hire
Compensation: $20–$24 per hour (based on experience)
Hours: Monday–Friday, 8:00 AM–4:30 PM

Responsibilities:

• Preforms basic cycle counts (regular inventory checks) on finished products, supplies, and materials
• Sort parts by size and put them in the correct bins
• Stocks and restocks items in inventory
• Keeps paperwork and files organized and easy to find
• Uses a tape measure to measure and label usable scrap (conveyor belt material)
• Helps file, copy, scan, and create digital documents (like customer orders or invoices). A coworker will train and review your work.
• Helps with Accounts Receivable (AR) and Accounts Payable (AP), including entering invoice information and making basic journal entries when needed
• Enters information into the company’s ERP system (computer system for tracking orders/inventory)
• Helps process online orders by printing shipping labels and work orders for the Production team
• Works closely with the Office Manager
• Preforms other office/administrative tasks as needed

Requirements:

• High school diploma or GED required (some college or extra training is a plus)
• At least 6 months of warehouse support experience
• Comfortable doing basic math (add, subtract, multiply, divide, basic fractions are a must)
• Must understand basic fractions and be able to read a tape measure correctly (feet, inches, etc.)
• Basic computer skills required, including working with an ERP/database system and Microsoft Office (Word, Excel, Outlook)
• Strong attention to numbers and accuracy
• Must be open to temp-to-hire work (this is required)
• No remote work (this job is on-site)

System One, and its subsidiaries including Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America. We help clients get work done more efficiently and economically, without compromising quality. System One not only serves as a valued partner for our clients, but we offer eligible employees health and welfare benefits coverage options including medical, dental, vision, spending accounts, life insurance, voluntary plans, as well as participation in a 401(k) plan.

System One is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex (including pregnancy, childbirth, or related medical conditions), sexual orientation, gender identity, age, national origin, disability, family care or medical leave status, genetic information, veteran status, marital status, or any other characteristic protected by applicable federal, state, or local law.