Apply online at: https://www.interstates.com/careers/jobs?gh_jid=4080189009

At Interstates, we believe great work happens when leaders are supported and teams are aligned. We’re looking for a proactive Administrative Assistant who thrives behind the scenes—anticipating needs, organizing moving parts, and helping people do their best work.

This role goes beyond traditional administrative support. You’ll be a trusted partner to business leaders and cross‑functional teams, helping coordinate priorities, keep initiatives moving, and strengthen how teams work together. If you enjoy managing details, supporting multiple efforts at once, and bringing calm and clarity to a fast‑paced environment, this could be a great fit.

This position is on‑site at our Sioux Center, IA or Sioux Falls, SD office.

What You’ll Do

Support Leaders & Teams

• Manage leader calendars, schedules, and meeting coordination
• Coordinate travel arrangements and expense reporting
• Assist with day‑to‑day administrative and operational needs
• Provide first‑pass support on reports, presentations, and business documents

Keep Work Moving

• Provide light project management support for small initiatives
• Coordinate recurring meetings (weekly, quarterly, and planning sessions)
• Prepare agendas, capture meeting notes, and track follow‑up actions
• Help maintain accountability across teams and initiatives

Strengthen Team Effectiveness

• Support planning and execution of meetings and initiatives
• Assist with quarterly planning and budget tracking activities
• Help plan and support sales meetings, trade shows, and internal workshops
• Encourage collaboration and help foster strong team connection and communication

What You Bring

• 3+ years of experience in an administrative, assistant, or coordinator role
• Strong organizational skills and the ability to manage multiple priorities
• Proficiency in Microsoft Office (Outlook, Word, Excel, PowerPoint, Teams)
• Experience supporting leaders or managers in a fast‑paced environment
• Clear, professional written and verbal communication skills
• Ability to handle sensitive information with discretion and professionalism
• Comfort working independently while supporting multiple stakeholders

Why Interstates

You’ll be part of a company that values clarity, collaboration, and continuous improvement. Your work will directly support leaders and teams as they deliver meaningful results for our customers and communities—and your attention to detail will make a visible difference every day.