Office Coordinator

Office Coordinator – Part time

Location: Aberdeen, SD
Hours: 22-30 hours per week

Interstates is looking for a Part-Time Office Coordinator to support our fast-paced construction office in Aberdeen, SD. You'll work closely with a team of 20 hardworking field/office employees, helping to keep operations running smoothly through strong administrative support, organization, and communication.

• Payroll & Time Entry – Process time tracking for on-call, after-hours, and per diem.
• Office & Job Site Support – Assist with scheduling, data entry, and document management using Microsoft Office and internal systems.
• Organization & Attention to Detail – Keep files, schedules, and records accurate and up to date. Support leadership with meeting agendas, communication, and planning.
• Customer Service & Communication – Act as a go-to resource for field employees, vendors, and leadership. Answer phones, coordinate travel, and assist with office inquiries.
• General Office Duties – Process invoices, order supplies, and help coordinate office events.

Preferred Skills:

• Comfortable working in a construction office environment with a team of field employees
• Strong Microsoft Office skills (Word, Excel, Outlook, Teams)
• Excellent organization and attention to detail
• Ability to multitask and work independently
• Professional and friendly communication skills
• High School Diploma or equivalent. 2 years of relevant experience preferred or a combination of education and related experience/training.

Travel: Travel will be minimal for this position under 5% per year.  The position is in person located in Aberdeen, SD.

Interstates is an Equal Opportunity/AA Employer and provides a drug-free work environment.