Office Administrator

Office Administrator - Dallas Plant (On-Site)
Location: 1115 Goodnight Ln, Dallas, TX
Schedule: Monday to Friday, 8:00 AM - 5:00 PM (Full-Time)
Pay: $23.00/hr
Status: On-site | Not Remote
About the Role
Liquid Environmental Solutions (LES) is seeking an experienced and detail-oriented Office Administrator to join our Dallas Plant team. This is a key administrative position that supports operational, billing, and procurement processes at our facility.
If you have a strong background in purchase orders, invoicing, accounts payable/receivable, and general administrative support, this role offers the opportunity to take ownership of critical functions that help keep our operations running smoothly.
What You'll Be Doing

• Manage and process work orders and purchase orders in compliance with internal policies
• Collaborate with Sales, Customer Service, Credit/Collections, and Billing to coordinate account and order requirements
• Generate and match invoices with completed work and ensure timely billing
• Track, verify, and reconcile costs associated with jobs and purchases
• Maintain PO logs, billing spreadsheets, and assist with monthly budget tracking
• Investigate and resolve account discrepancies or customer billing questions
• Support the plant leadership team with general administrative needs, vendor coordination, and data entry
• Help identify cost anomalies or inefficiencies
• Maintain documentation for audits and ensure operational compliance
• Perform other administrative and support tasks as assigned

Who We're Looking For
You'll thrive in this role if you:

• Have strong experience with purchase orders, invoicing, and cost tracking
• Understand the flow of AP/AR and can reconcile accounts
• Enjoy working in a fast-paced, industrial environment where your work makes a real impact
• Can juggle multiple tasks, systems, and stakeholders
• Aren't afraid of a little dirt, noise, or "real world" grit - our team works hard and gets things done

What You Need to Succeed
Required:

• 3+ years of experience in an administrative role involving POs, invoicing, or AP/AR
• Strong Excel skills (e.g., formulas, Pivot Tables, VLOOKUP)
• Excellent organization, time management, and communication skills
• Experience supporting or working within a budget or cost control environment
• High school diploma or equivalent

Preferred:

• Experience with CRM or ERP systems (e.g., Oracle, SAP, Microsoft Dynamics)
• Background supporting plant, logistics, trucking, or industrial operations

Compensation & Benefits
Pay: $23.00/hour (starting wage)
Benefits Include:

• 401(k) with company match
• Health, dental, and vision insurance
• Flexible Spending and Health Savings Accounts
• Paid Time Off
• Employee Referral Program
• Company-paid training and advancement opportunities

About LES
Liquid Environmental Solutions is the nation's leading provider of non-hazardous liquid waste solutions. We provide service that's critical to public health, and we do it with pride. Our drivers, technicians, and administrators all contribute to a cleaner, safer environment.
Job Type: Full-time
Pay: From $23.00 per hour
Expected hours: 40 per week
Benefits:

• 401(k)
• Dental insurance
• Flexible spending account
• Health insurance
• Health savings account
• Life insurance
• Paid time off
• Retirement plan
• Vision insurance

Schedule:

• Monday to Friday

Work Location: In person
Equal Opportunity Employer/Protected Veterans/Individuals with Disabilities
This employer is required to notify all applicants of their rights pursuant to federal employment laws. For further information, please review the Know Your Rights notice from the Department of Labor.