Construction Project Admin & Billing Specialist

Green Key Resources; Fort Laramie (WY); On-site; USD 42,000 - 64,000; Full time

Job summary

Green Key Resources partners with a leading construction and infrastructure organization to identify a Project Administrator for a large-scale Fort Laramie, Wyoming project. You will support payroll, invoicing, purchasing, documentation, and daily project operations.

The role requires strong Excel/MS Office skills and a detail-oriented, organized approach to manage multiple priorities in a fast-paced construction environment.

Qualifications

• 1–3 years in administrative, accounting, project coordination or related roles.
• Invoicing, billing, purchasing, payroll, document management or financial admin experience.
• Strong Excel and MS Office skills with attention to detail.

Responsibilities

• Support project payroll by reviewing timecards and updates.
• Assist onboarding and administrative processing for project staff.
• Review subcontractor docs and follow up on compliance items.
• Process purchase orders, invoices, and vendor docs with coding.
• Assist with monthly billing and payments for customers and subcontractors.
• Maintain project records, reports, and supporting documentation.
• Organize contracts, lien waivers, insurance certificates, and paperwork.
• Prepare documentation and billing support for change orders.
• Assist vendor setup and ongoing vendor administration.
• Support equipment and inventory tracking at the site.

Skills

Administrative coordination

Invoicing

Payroll support

Purchasing

Document management

Excel

MS Office

Organizational skills

Communication

Tools

SAP

Textura

LCP Tracker

Coupa

Job description

Green Key Resources partners with a leading construction and infrastructure organization to identify a Project Administrator for a large-scale Fort Laramie, Wyoming project. You will support payroll, invoicing, purchasing, documentation, and daily project operations.

The role requires strong Excel/MS Office skills and a detail-oriented, organized approach to manage multiple priorities in a fast-paced construction environment.