Office Manager / Bookkeeper

Core 3; Bloomington (IL); On-site; USD 45,000 - 65,000; Full time

Job summary

Core 3 is seeking an Office Manager / Bookkeeper to oversee corporate bookkeeping and daily operations, ensuring accuracy and exceptional service. The role combines accounting tasks with office administration, vendor management, and onboarding logistics.

You will handle AmEx activity, allocate expenses, reconcile statements, process bill payments, manage inter‑company billing, and assist with monthly close.

Qualifications

• Previous bookkeeping or office management experience preferred.
• Strong organizational and multitasking abilities.
• Excellent customer service and communication skills.
• High level of accuracy and attention to detail.
• Proficiency in Microsoft Office and accounting software.
• Ability to maintain confidentiality and work independently.

Responsibilities

• Review American Express cardholder activity as needed.
• Enter American Express receipts and allocate expenses to the appropriate property, company, or department as needed.
• Reconcile American Express statements as needed.
• Enter corporate accounts payable invoices.
• Process corporate bill payments.
• Manage inter-company billing transactions.
• Reconcile corporate loan accounts.
• Assist with monthly financial close and reporting.
• Regular review of key GL accounts.
• Review corporate A/R.
• Order and maintain office supplies.
• Coordinate office equipment, furniture, and supply inventory.
• Prepare workstations, computers, and office equipment for new hires.
• Coordinate office maintenance and vendor services.
• Maintain office organization and common areas.
• Assist with company mail distribution and shipping.
• Answer incoming phone calls and provide excellent customer service.
• Supervise the Front Desk Receptionist.
• Serve as backup to the Front Desk Receptionist.
• Assist team members with administrative projects as needed.
• Manage Penske truck reservations.
• Check trucks in and out.
• Perform light cleaning and inspections between rentals.
• Coordinate maintenance or repairs as needed.
• Work Saturdays, as needed for reservations.
• Maintain office vendor relationships.
• Coordinate company event and meeting logistics.
• Monitor office safety and emergency supplies.
• Assist with employee onboarding and offboarding logistics.
• Maintain office policies, forms, and administrative records.
• Coordinate office keys, access cards, and equipment inventory.
• Support leadership with administrative projects and special assignments.

Skills

Organizational skills

Multitasking

Customer service

Communication

Attention to detail

Confidentiality

Independence

Tools

Microsoft Office

Accounting software

Job description

Position Summary

The Office Manager / Bookkeeper oversees corporate bookkeeping functions while ensuring the office operates efficiently on a daily basis. This position manages corporate accounting, office administration, vendor relationships, employee onboarding logistics, and provides exceptional internal and external customer service.

• Review American Express cardholder activity as needed.
• Enter American Express receipts and allocate expenses to the appropriate property, company, or department as needed.
• Reconcile American Express statements as needed.
• Process corporate bill payments.
• Manage inter-company billing transactions.
• Assist with monthly financial close and reporting.
• Regular review of key GL accounts.
• Review corporate A/R.

Essential Responsibilities

Corporate Bookkeeping

• Review American Express cardholder activity as needed.
• Enter American Express receipts and allocate expenses to the appropriate property, company, or department as needed.
• Reconcile American Express statements as needed.
• Enter corporate accounts payable invoices.
• Process corporate bill payments.
• Manage inter-company billing transactions.
• Reconcile corporate loan accounts.
• Assist with monthly financial close and reporting.
• Regular review of key GL accounts.
• Review corporate A/R.

Office Management

• Order and maintain office supplies.
• Coordinate office equipment, furniture, and supply inventory.
• Prepare workstations, computers, and office equipment for new hires.
• Coordinate office maintenance and vendor services.
• Maintain office organization and common areas.
• Assist with company mail distribution and shipping.

Customer Service & Administrative Support

• Answer incoming phone calls and provide excellent customer service.
• Supervise the Front Desk Receptionist.
• Serve as backup to the Front Desk Receptionist.
• Assist team members with administrative projects as needed.

Penske Truck Operations

• Manage Penske truck reservations.
• Check trucks in and out.
• Perform light cleaning and inspections between rentals.
• Coordinate maintenance or repairs as needed.
• Work Saturdays, as needed for reservations.

Additional Office Management Responsibilities

• Maintain office vendor relationships.
• Coordinate company event and meeting logistics.
• Monitor office safety and emergency supplies.
• Assist with employee onboarding and offboarding logistics.
• Maintain office policies, forms, and administrative records.
• Coordinate office keys, access cards, and equipment inventory.
• Support leadership with administrative projects and special assignments.

Qualifications

• Previous bookkeeping or office management experience preferred.
• Strong organizational and multitasking abilities.
• Excellent customer service and communication skills.
• High level of accuracy and attention to detail.
• Proficiency in Microsoft Office and accounting software.
• Ability to maintain confidentiality and work independently.