Admin Assistant II

Interstates • Sioux Falls, SD

7h • Onsite

About The Position

Interstates is seeking a proactive, organized Administrative Assistant II to support its Organizational Development (OD) team. The team works to strengthen how people and teams work, grow, and lead by developing employee capabilities, improving organizational effectiveness, and helping the company achieve its goals.

This role involves more than routine administrative support. The Administrative Assistant II coordinates OD projects and programs, prepares meetings and trainings, drafts communications and presentations, and tracks details from planning through follow-up. The role works with the OD team to keep priorities visible, action items moving, and materials ready when needed. The position is office-based at either Interstates’ Sioux Center, Iowa, or Sioux Falls, South Dakota, location. It is full-time, generally Monday through Friday, with hours that may vary based on business needs. Occasional travel of up to 10% may be required.

Requirements

• Strong project coordination and organizational skills, including the ability to manage multiple priorities.
• Initiative and sound judgment, including the ability to get started, ask useful questions, and anticipate next steps.
• Excellent written and verbal communication skills, including the ability to prepare polished drafts and presentations.
• Adaptability, attention to detail, and confidence learning new systems.
• Strong understanding of Microsoft Outlook, Word, Excel, PowerPoint, and Teams.
• Professionalism, discretion, and a collaborative approach.

Nice To Haves

• 2–3 years of administrative, office support, or project coordination experience preferred.

Responsibilities

• Coordinate OD projects and initiatives from planning through follow-up, organizing timelines, next steps, and key details.
• Track deadlines, action items, and dependencies; flag upcoming needs or potential roadblocks.
• Coordinate meetings, trainings, and workshops, including agendas, materials, logistics, notes, and follow-up.
• Prepare first drafts of presentations, documents, communications, and meeting materials for review.
• Maintain accurate project information, schedules, documentation, and records.
• Handle sensitive information with professionalism and discretion.
• Adapt as priorities change while maintaining accuracy and dependable follow-through.

Benefits

• 401(k) retirement plan with company match
• Health, dental, and vision insurance, plus disability and life insurance
• Paid time off and holiday pay
• Company discount program
• Bonus incentives, including year-end incentives and merit increases
• Career coaching and development support
• Advancement opportunities
• Company-sponsored celebrations, holiday events, and community outreach volunteer time
• A family- and safety-focused culture

What This Job Offers

• Job Type: Full-time
• Career Level: Mid Level
• Education Level: No Education Listed