Onsite Administrative Assistant — Scheduling & Invoicing

Stefanini; Missouri; On-site; USD 36,000 - 39,000; Full time

Job summary

Stefanini is seeking an Administrative Assistant for our St. Louis, MO location. This role will manage daily office functions, arrange travel and meetings, and support onboarding. The ideal candidate will have strong MS Office skills, excellent communication, and the ability to work across teams.

Travel between offices is required (10%). The position is 100% onsite with a 34-hour work week and a competitive pay range of $26.00–$28.00 per hour.

Qualifications

• 100% onsite.
• Two years of administrative support experience in a business environment.
• Travel scheduling, expense reporting, invoice processing, event scheduling/planning.
• Technical, administrative, people, and organizational skills.
• Supports onboarding and training processes.
• Strong MS Office and email skills.

Responsibilities

• Independently manage daily office functions for efficiency.
• Schedule appointments and maintain calendars.
• Oversee onboarding process.
• Coordinate meetings, MS Teams conferences, and travel logistics (domestic and international).
• Monitor and assist with fiscal administration for sites and vendors.
• Process and track invoices and payments; manage procurement.
• Maintain data integrity in SAP/SharePoint systems.
• Build relationships across teams and with external vendors.

Skills

Strong communications

Organization skills

Professional demeanor

Team oriented

Multi-tasking

People skills

Education

High school diploma / GED

Associate or Bachelor degree in Business or Marketing

Tools

SAP reporting tools

SharePoint

Dakota

LMS

Outlook

Microsoft Office

MS Teams

Job description

Stefanini is seeking an Administrative Assistant for our St. Louis, MO location. This role will manage daily office functions, arrange travel and meetings, and support onboarding. The ideal candidate will have strong MS Office skills, excellent communication, and the ability to work across teams.

Travel between offices is required (10%). The position is 100% onsite with a 34-hour work week and a competitive pay range of $26.00–$28.00 per hour.