Business Office Manager (Part-time)

Job Description

Job Description

Business Office Manager (Part-Time)

About The Costumer

For more than 108 years, The Costumer has helped bring theatre to life. We rent and sell costumes to schools, community theatres, universities, and individuals throughout the United States and Canada. Every year, we support thousands of productions while advancing scholastic theatre and its ability to build confidence, creativity, communication skills, resilience, and empathy.

We're looking for a dependable, detail-oriented Business Office Manager who enjoys keeping a business running smoothly and takes pride in delivering exceptional customer service.

Position Overview

This role is ideal for an experienced office manager or bookkeeper who enjoys variety and ownership. You'll oversee the day-to-day financial and administrative functions of the business, ensuring invoices are processed accurately, customer accounts stay current, purchase orders are properly managed, and our office operations remain organized and efficient.

Success in this position requires excellent organizational skills, outstanding attention to detail, and strong experience using QuickBooks Online. Because many of our customers are schools and nonprofit organizations, experience working with purchase orders and government or educational customers is highly preferred.

What You'll Do

• Manage day-to-day bookkeeping in QuickBooks Online

• Process accounts payable, including vendor invoices and payments

• Manage accounts receivable, customer invoicing, payment posting, and collections

• Reconcile bank accounts and credit card statements

• Prepare documentation for month-end close, partnering with our fractional controller

• Prepare and file multi-state sales tax returns

• Track customer purchase orders and ensure required documentation is received before orders ship

• Support customer account questions and contract administration

• Prepare bank deposits and maintain organized financial documentation

• Assist with bid submissions, sole-source letters, and administrative support for the sales team

• Support general office operations, including mail, scheduling, and administrative coordination

• Work collaboratively with the President, department leaders, and outside accounting and HR partners

Required

• 3+ years of experience in office management, bookkeeping, accounting, or a similar business office role

• Proficiency with QuickBooks Online

• Experience managing accounts payable, accounts receivable, reconciliations, and month-end processes

• Experience preparing and filing multi-state sales tax returns

• Experience working with purchase orders, especially for schools, municipalities, or nonprofit organizations

• Excellent written and verbal communication skills

• Exceptional organizational skills and attention to detail

Preferred

• Experience supporting retail, rental, or e-commerce businesses

• Familiarity with Shopify, Amazon, Etsy, or similar sales platforms

• Experience with ADP Workforce Now

• Associate's or Bachelor's degree in Accounting, Business, Finance, or a related field

We're seeking someone who is:

• Highly organized and dependable

• Detail-oriented with a commitment to accuracy

• Trustworthy and able to maintain confidentiality

• Friendly, professional, and customer-focused

• Comfortable working independently while collaborating across departments

• A proactive problem solver who enjoys improving processes

• Excited to support an organization that serves schools, educators, and the performing arts community

Schedule & Location

• Part-time (20–25 hours per week)

• Hybrid schedule with approximately two days per week in our Schenectady office

• Candidates should reside within commuting distance of Schenectady, NY

Compensation

$25–$30 per hour, based on experience.

Please submit your resume along with a brief cover letter telling us why you're interested in joining The Costumer and what makes you a great fit for this role.

The Costumer is proud to be an Equal Opportunity Employer. We celebrate diversity and are committed to creating an inclusive workplace for all employees.