Benefits:

Bonus based on performance

Competitive salary

Flexible schedule

Health insurance

Opportunity for advancement

Paid time off

Position Overview

The Construction Office Administrator will provide administrative and financial support across multiple departments, including accounting, project management, and human resources. This position requires a highly organized individual who can multitask in a fast-paced environment and who understands the construction industry’s unique needs—especially around billing, compliance, and documentation.

Accounting & Billing Support:

Process accounts payable and accounts receivable transactions

Prepare, track, and submit AIA billing, lien waivers, and insurance certificates.

Reconcile invoices, purchase orders, and credit card statements

Maintain accurate records in accounting software and assist with monthly closeout

HR & Administrative Support:

Assist with onboarding new employees and maintaining personnel files

Manage time tracking, payroll support, and benefits coordination

Maintain office supply inventory and order materials as needed

Answer phones, coordinate mail and deliveries, and support project teams with document management

General Office Management:

Organize and maintain digital and physical filing systems

Schedule meetings, manage calendars, and assist with internal communications

Provide support to project managers, estimators, and executives as needed

Requirements

Minimum of 5 years’ experience in a construction office or similar administrative role

Working knowledge of AIA billing, lien waivers, and construction compliance documentation

Familiarity with accounting software such as Sage Intacct, QuickBooks, or similar platforms

Proficient with Microsoft Office Suite (Word, Excel, Outlook)

Strong communication and organizational skills

Able to prioritize tasks and work independently with minimal supervision

What We Offer

Competitive compensation based on experience

Health, dental, and vision insurance

Paid time off and holidays

Opportunities for growth within a fast-paced construction environment

Laid back working environment and flexible schedule

About Key Construction Group

Key Construction Group is a full-service general contracting and construction management firm serving Michigan and Ohio. We specialize in commercial, industrial, institutional, and multi-family construction projects. As our company continues to grow, we’re looking for a detail-oriented and proactive Office Administrator to join our team and support the daily operations of our office and field staff.