Onsite Administrative Pro & Office Concierge

Interstate Engineering, Inc.; Mandan, Northern (ND, KY); Hybrid; USD 45,000 - 65,000; Full time

Benefits offered by this job

Competitive wages

Bonus opportunities

Family-oriented environment

Work-life balance

Paid holidays

Travel opportunities

Health insurance for employee

Job summary

Interstate Engineering, Inc. seeks an Administrative Assistant for our Mandan office to maintain a welcoming front desk and keep daily operations running smoothly.

You’ll coordinate schedules, support engineers and project teams, manage documents and invoices, and assist with onboarding, all in a collaborative, on-site role within an employee-owned company that values growth and community impact.

Qualifications

• 3-5 years of administrative or office support experience.
• Proficiency in Microsoft Office, including Word, Excel, Outlook, and PowerPoint.
• Strong organizational, communication, and time management skills.
• An associate's degree in Business Administration or a related field is a plus.

Responsibilities

• Be the face of our office. Welcome visitors, answer calls, and create a friendly, professional first impression for everyone who walks through our doors.
• Keep things moving. Coordinate schedules, organize meetings, manage correspondence, and help employees stay organized and productive.
• Support our teams. Work alongside engineers, surveyors, planners, and other professionals to assist with documents, reports, contracts, and project-related administrative tasks.
• Take ownership. Anticipate needs, identify opportunities for improvement, and take initiative to help the office operate more efficiently.
• Bring people together. Help coordinate office activities, company events, meetings, and new employee onboarding.
• Stay on top of the details. Maintain records, process invoices and expenses, assist with document management, and support day-to-day office operations.

Skills

Word

Excel

Outlook

PowerPoint

Communication

Education

Associate's degree in Business Administration

Tools

Microsoft Office Suite

Job description

Interstate Engineering, Inc. seeks an Administrative Assistant for our Mandan office to maintain a welcoming front desk and keep daily operations running smoothly.

You’ll coordinate schedules, support engineers and project teams, manage documents and invoices, and assist with onboarding, all in a collaborative, on-site role within an employee-owned company that values growth and community impact.