Office Manager/ Administrative Assistant Job at Robert Half (O'Fallon)

Office Manager/ Administrative Assistant

Robert Half

Location:
United States , O'Fallon

Category:
Office Administration

Contract Type:
Employment contract

Salary:

50000.00 USD / Year

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Job Description:

The Office Manager/ Administrative Assistant will assist with the many events the organization attends on a national basis. The Office Manager/ Administrative Assistant will keep registration lists, create name tags, get signs for the golf tournament, for hole sponsorships, send out invitations, etc... This position will answer office phone, update Excel Spreadsheets with month dues and information for events, send out invoices and order office supplies. The Office Manager/ Administrative Assistant will prepare reports and PowerPoint presentations for the Board of Directors.

Job Responsibility:

Supervise and coordinate daily office operations to ensure seamless functionality
Manage procurement and inventory of office supplies, ensuring availability and cost-effectiveness
Oversee accounts payable processes, including accurate record-keeping and timely payments
Perform receptionist duties by welcoming visitors, handling incoming calls, and managing correspondence
Maintain organized filing systems for documentation and records
Collaborate with team members to support administrative needs and resolve operational challenges
Ensure adherence to company policies and procedures in all office activities
Monitor and manage budgets related to office expenses
Identify opportunities to improve office efficiency and implement solutions
Train and guide staff on administrative practices and office protocols
Assist with the many events the organization attends on a national basis
Keep registration lists, create name tags, get signs for the golf tournament, for hole sponsorships, send out invitations
Answer office phone, update Excel Spreadsheets with month dues and information for events, send out invoices and order office supplies
Prepare reports and PowerPoint presentations for the Board of Directors

Requirements:

Minimum of 5 years of experience in office management or a similar administrative role
Proficiency in handling accounts payable processes
Strong organizational and time-management skills
Ability to manage office supply procurement and inventory effectively
Excellent communication skills for receptionist duties and team collaboration
Familiarity with maintaining filing systems and records
Proven ability to adhere to company policies and procedures
Competence in identifying and implementing process improvements

What we offer:

Benefits are fully covered at no cost for employees
medical, vision, dental, and life and disability insurance
eligible to enroll in our company 401(k) plan

Additional Information:

Job Posted:
January 15, 2026

Employment Type:

Fulltime

Work Type:

On-site work

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Office Manager/ Administrative Assistant

Robert Half

Location:
United States , O'Fallon

Category:
Office Administration

Contract Type:
Employment contract

Salary:

Job Description:

Job Responsibility:

Requirements:

Additional Information:

Job Posted:
January 15, 2026

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Job Description:

Job Responsibility:

Requirements:

Additional Information:

Job Posted:January 15, 2026

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