Construction Site Administrator & Billing Specialist

Southern Industrial Constructors, Inc.; Oklahoma City (OK); On-site; USD 42,000 - 60,000; Full time

Job summary

Southern Industrial Constructors, Inc. seeks a Site Administrator for a job-site in Stillwater, OK. The role combines office administration with processing duties at the client site, supporting foremen and project teams.

Responsibilities include preparing time sheets, billing support, expense processing, and basic HR questions. Strong organizational skills and a positive, professional attitude are essential for daily operations in a busy construction office.

Qualifications

• Associates Degree preferred in business administration, safety or related field.
• Strong communication, organization and detail-orientation required.
• Proficient with MS Office and basic database skills.
• Valid driving record and license required.

Responsibilities

• Type daily T&M time sheets by cost code from foreman time sheets.
• Prepare weekly group time and per diem sheets and process time off requests.
• Create cost codes as needed.
• Order construction consumables and safety supplies.
• Compile signed time sheets for billing.
• Assist with preparing billing invoices.
• Process expense forms (credit card and cash).
• Answer HR questions and assist employees with pay stubs and benefits.
• Approve invoices in document management and run cost reports.

Skills

MS Word

Excel

Outlook

Data entry

Attention to detail

Organization

Communication

Education

Associates Degree in business administration, safety or related field preferred

Tools

MS Word

Excel

Outlook

Database management

Job description

Southern Industrial Constructors, Inc. seeks a Site Administrator for a job-site in Stillwater, OK. The role combines office administration with processing duties at the client site, supporting foremen and project teams.

Responsibilities include preparing time sheets, billing support, expense processing, and basic HR questions. Strong organizational skills and a positive, professional attitude are essential for daily operations in a busy construction office.