Office Administrator Jobs in Missouri

Job Title: Office Administrator

Location: Lee’s Summit, Missouri

About us:

Imagine a company with technology leadership of over 160 years, yet it operates with the energy of a startup. Ingersoll Rand has dedicated itself to Making Life Better for its employees, customers, shareholders, and planets. We produce innovative and mission-critical flow creation and life science technologies – from compressors to precision handling of liquids, gases, and powers – to increase industrial productivity, efficiency, and sustainability. Supported by over 80+ brands, our products are used in various end-markets including life sciences, food and beverage, clean energy, industrial manufacturing, infrastructure, and more. Across the globe, we’re driving growth with an entrepreneurial spirit and ownership mindset. Learn more at irco.com and join us to own your future.

Job Overview:

Step into an Office Administrator role with Cullum & Brown, an Ingersoll Rand brand, a trusted industrial equipment distributor and service company with more than 132 years of experience. With locations in Kansas City and Springfield, we are an authorized distributor for leading brands including Gardner Denver, FS Elliott, Elmo Rietschle, Hoffman, Lamson, Tuthill, Graco, Grundfos, PowerEx, and more. We provide reliable equipment solutions and 24/7 emergency service for all makes and models, backed by 18 factory-trained, certified technicians who deliver expert support when customers need it most.

As our Office Administrator, you’ll serve as the Administrative & Accounting Coordinator, playing a key role in keeping daily operations running smoothly across multiple branches. This position blends office coordination, accounting support, and customer-focused follow-through, assisting with accounts payable, accounts receivable, and general administrative needs. It’s a great fit for someone who has great customer service abilities, is highly organized, detail-driven, and energized by managing multiple priorities in a fast-moving, multi-branch environment.

Responsibilities:

- Serve as the primary front office contact by answering phones, greeting visitors, managing mail, and maintaining the company phone system.
- Perform general administrative support, including completing forms, maintaining organized digital records, and managing office supplies and purchasing.
- Maintain internal employee information.
- Provide accounting support across Accounts Payable and Accounts Receivable.
- Support sales tax and compliance activities.

Requirements

- High School Diploma or G.E.D.
- 2+ years of office related experience

Core Competencies:

- Strong organizational and time-management skills
- High attention to detail and accuracy
- Dependable
- Ability to handle confidential information with discretion
- Proficiency with accounting systems and standard office software
- Strong communication skills with the ability to interact professionally with employees, vendors, and customers
- Ability to work independently while supporting multiple departments

Preferences:

- Experience with Epicor Prophet 21 (P21) software (or another ERP)
- Accounting (AP/AR) related experience

Travel & Work Arrangements/Requirements:

- Onsite in Lee’s Summit, Missouri

What We Offer

At Ingersoll Rand, we embrace a culture of personal ownership — taking responsibility for our company, our communities, and our environment, as well as our individual health and well-being. Our comprehensive benefits package is designed to empower you with the tools and support necessary to take charge of your health, ensuring that together, we can continue to make life better. Our range of benefits includes health care options like medical and prescription plans, dental and vision coverage, as well as wellness programs. Additionally, we provide life insurance, a robust 401(k) plan, paid time off, and even an employee stock grant, among other offerings. These benefits are our commitment to you, so you can be your best at work and beyond.

Ingersoll Rand Inc. (NYSE:IR), driven by an entrepreneurial spirit and ownership mindset, is dedicated to helping make life better for our employees, customers and communities. Customers lean on us for our technology-driven excellence in mission-critical flow creation and industrial solutions across 40+ respected brands where our products and services excel in the most complex and harsh conditions. Our employees develop customers for life through their daily commitment to expertise, productivity and efficiency.