Entry-Level Project & Administrative Assistant

West Plains Engineering; Sioux Falls (SD); On-site; USD 25,000 - 30,000; Full time

Benefits offered by this job

Medical, Dental, Vision insurance

401(k) with company match

Paid leave and holidays

Telehealth

Job summary

West Plains Engineering in Sioux Falls, SD seeks an entry-level Administrative Assistant to support our engineering and project teams. This full-time, hourly role reports to the Office Manager and helps track schedules, coordinate documents, and monitor basic budget and billing information, with front-desk duties as needed.

You’ll assist Project Managers with schedules, budgets, and invoices, prepare project documents, support billing, and learn Unanet and Cosential tools while growing in a

Qualifications

• High school diploma or GED required.
• Strong communication and organizational skills.
• Proficiency in Microsoft Office Suite, particularly Word and Excel.
• Valid driver’s license required to run office errands; company vehicle available.
• Friendly, professional demeanor and team-oriented mindset.
• Ability to manage multiple deadlines and switch between administrative and project-support tasks.

Responsibilities

• Serve as the first point of contact for visitors and callers.
• Maintain office supplies and coordinate with vendors.
• Support and coordinate office activities for staff.
• Assemble project documents, bid packets, and promotional materials.
• Provide quality control checks on project deliverables.
• Track shop drawing submittals and manage project data in CRM/ERP systems.
• Assist Project Managers with tracking project schedules, budgets, timelines, and milestones; flag changes or delays.
• Compile budgets, expense logs, and invoices for PM review.
• Support billing and basic bookkeeping tasks.
• Coordinate meeting logistics and distribute notes for teams and clients.
• Track accounts receivable and provide status updates to clients.

Skills

Microsoft Office

Excel

Word

Communication

Organization

Driver's license

Team orientation

Education

High school diploma or GED

Tools

Unanet CRM

Unanet AE ERP

Cosential

Shipping platforms

SpecLink

PDF software

Job description

West Plains Engineering in Sioux Falls, SD seeks an entry-level Administrative Assistant to support our engineering and project teams. This full-time, hourly role reports to the Office Manager and helps track schedules, coordinate documents, and monitor basic budget and billing information, with front-desk duties as needed.

You’ll assist Project Managers with schedules, budgets, and invoices, prepare project documents, support billing, and learn Unanet and Cosential tools while growing in a