Onsite Executive Assistant & Facilities Coordinator

Interface Systems, LLC; St. Louis, Northern (MO, KY); Hybrid; USD 45,000 - 60,000; Full time

Job summary

Interface Systems, LLC in St. Louis, MO, is seeking a Corporate Assistant & Facilities Coordinator to serve as the face of the organization, managing front desk, facilities, and executive support activities.

The role requires 3+ years in executive support or office administration, strong organizational and communication skills, and proficiency with Microsoft Office. It is a 100% onsite, Monday–Friday, 8:00 AM–5:00 PM position.

Qualifications

• 3+ years of executive support or office administration experience.
• Strong organizational and time-management skills.
• Excellent verbal and written communication skills.
• Proficiency in Microsoft Office Suite (Outlook, Word, Excel, PowerPoint, Teams).

Responsibilities

• Serve as primary point of contact for visitors, clients, and vendors; manage front desk operations.
• Support senior leaders with calendar management, travel arrangements, and expense reporting.
• Coordinate team meetings, conferencing, and room setup; manage office supplies and vendor relationships.
• Assist with onboarding logistics for new employees and coordinate with internal teams.
• Coordinate company events, trainings, and recognition activities; handle mail and deliveries.

Skills

Executive support

Calendar management

MS Office proficiency

Communication

Tools

Microsoft Office Suite

Word

Excel

PowerPoint

Outlook/Teams

Job description

Interface Systems, LLC in St. Louis, MO, is seeking a Corporate Assistant & Facilities Coordinator to serve as the face of the organization, managing front desk, facilities, and executive support activities.

The role requires 3+ years in executive support or office administration, strong organizational and communication skills, and proficiency with Microsoft Office. It is a 100% onsite, Monday–Friday, 8:00 AM–5:00 PM position.