Accounts Receivable & Office Coordinator (On-Site)

STATION AUTOMATION, INC; Littleton (CO); On-site; USD 32,000 - 37,000; Full time

Benefits offered by this job

Health, dental, and vision insurance

Employer-paid HSA contributions

401K with company matching

Monthly work from home stipend

Short-term disability insurance

Life and long-term disability (LTD) (E

Fully funded disability insurance

Job summary

PSTrax, based in Littleton, CO, seeks an Accounts Receivable & Office Assistant to support the Finance team and office operations. This in-office role handles invoicing, collections, bank deposits, onboarding, events, travel, and general administrative duties.

Ideal candidates bring AR/billing experience, strong communication, and the ability to multitask in a fast-paced startup environment. The position includes benefits and on-site responsibilities.

Qualifications

• High school diploma or equivalent required.
• Prior experience in accounts receivable, billing, bookkeeping, customer service or office administration preferred.
• Start-up and B2B SaaS industry experience a plus.
• Strong customer service and communication skills.

Responsibilities

• Maintain records of collection activity and customer payment communications.
• Research payment discrepancies and escalate delinquent accounts to Finance leadership.
• Complete daily bank deposits and reconcile records.
• Assist with invoicing for new and renewal customers.
• Set up vendor portals and coordinate with external partners.
• Request COIs to meet customer and contractual requirements.
• Manage weekly follow-ups on overdue invoices via email/phone.
• Process credit card payments securely.
• Provide administrative support across departments and coordinate meetings and travel.
• Assist in onboarding new employees and customers.

Skills

Accounts receivable

Billing

Office administration

Customer service

Microsoft Office

Google Suite

Communication skills

Data entry

Zoom

Education

High school diploma

GED or equivalent

Tools

QuickBooks

HubSpot

Job description

PSTrax, based in Littleton, CO, seeks an Accounts Receivable & Office Assistant to support the Finance team and office operations. This in-office role handles invoicing, collections, bank deposits, onboarding, events, travel, and general administrative duties.

Ideal candidates bring AR/billing experience, strong communication, and the ability to multitask in a fast-paced startup environment. The position includes benefits and on-site responsibilities.