Administrative Assistant - Service in Sioux City, Iowa at NATIONS ROOF LLC

Boone Brothers Roofing | Sioux City, IA
Full-Time | In Office | Monday–Friday, 8:00 AM–5:00 PM

Position Summary:

Boone Brothers Roofing is seeking an organized, customer-focused Service Administrator / Coordinator to join our Sioux City team. This in-office position supports our Service Department with a primary focus on customer communication, new customer setup, billing and invoicing, Accounts Payable (AP), work order administration, and service coordination.

The ideal candidate has experience in a professional business office environment, is comfortable working with customers and financial processes, and can manage multiple priorities with accuracy and strong follow-through.

Key Responsibilities:

• Serve as a primary point of contact for service customers, providing professional communication, status updates, and assistance with service and billing questions.
• Set up new customers, locations, contacts, and billing requirements in company software systems.
• Create and maintain work orders from initial customer request through completion and billing.
• Prepare and process customer invoices accurately and on time.
• Process vendor invoices and support Accounts Payable, including coding, documentation matching, and approvals.
• Assist with Accounts Receivable activities, payment posting, and customer account follow-up as needed.
• Verify labor, materials, purchase orders, and job costs to support accurate billing and job costing.
• Coordinate with technicians to obtain completed work orders, time entries, photos, receipts, and other required documentation.
• Monitor open service requests and follow up on outstanding information to keep jobs moving toward completion and billing.
• Provide backup scheduling and dispatch support as needed.
• Communicate with customers, technicians, vendors, and internal teams to coordinate service activities.
• Maintain accurate customer, job, invoice, purchase order, warranty, COI, and service records.
• Assist with department reporting and other administrative responsibilities as assigned.

Qualifications:

• 3+ years of experience in a professional business office environment supporting administrative, billing, accounting, financial, or operational functions.
• Hands-on experience with billing, invoicing, Accounts Payable, Accounts Receivable, purchase orders, or customer account setup.
• Strong customer service and professional communication skills.
• Strong attention to detail, organization, and follow-through.
• Experience working with business software, CRM, ERP, service management, or accounting systems.
• Ability to manage multiple priorities in a fast-paced environment.
• Intermediate Microsoft Office skills, including Outlook, Word, and Excel.
• Construction, roofing, facilities, or field-service experience preferred.

Schedule & Location:

Monday–Friday, 8:00 AM–5:00 PM
Full-time, in-office position in Sioux City, Iowa

High school diploma or equivalent required. Associate or bachelor’s degree in business, accounting, administration, or a related field preferred. Equivalent relevant business office experience will be considered.

Benefits:

Nations Roof is an Equal Opportunity Employer. We do not discriminate based on race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability, genetic information, veteran status, or any other protected characteristic. Reasonable accommodation is available for individuals with disabilities. Our company is a Drug-Free Workplace.

NO RECRUITING AGENCIES.

All candidates must be authorized to work in the United States.

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