On-Site Admin & Payroll Support

IEA Constructors; Irving (TX); On-site; USD 30,307 - 31,684; Full time

Benefits offered by this job

401(k) with company match

Health insurance

Paid time off

Job summary

MasTec Renewables is seeking a Site Admin I to provide essential administrative support to the on-site project management team in US-TX/DFW area. Responsibilities include greeting visitors, handling mail, coordinating between field offices and corporate, and maintaining project tracking spreadsheets.

The role supports onboarding, benefits queries, payroll-related activities, and timesheet audits, ensuring compliance with SOPs and safety culture. Prior experience in admin roles is required.

Qualifications

• One to three years’ experience in administrative support position.
• Proficient in Microsoft Word, Excel, Teams, Outlook, and Internet.
• Strong verbal and written communication skills.
• Strong ability to multi‑task and attention to detail.

Responsibilities

• Greet visitors, direct them, handle mail, and assist with copying and scanning.
• Act as liaison between Field office and Corporate offices.
• Maintain tracking and reporting spreadsheets for the project.
• Assist with project set-up activities and maintain office contacts and services.
• Maintain adequate office supplies and a clean, organized office environment.
• Assist employees with benefits, payroll, timesheets, and employee records updates.
• Lead daily timesheet audits and notify management of errors.
• Assist with onboarding, including I-9 documentation and new hire orientation.
• Coordinate with Payroll on onsite check printing and weekly paystubs (Union only).
• Ensure payroll policies (per diem, PTO, rotation) are followed and train site leadership where needed.

Skills

Microsoft Word

Excel

Teams

Outlook

Internet

Communication skills

Multi-tasking

Job description

MasTec Renewables is seeking a Site Admin I to provide essential administrative support to the on-site project management team in US-TX/DFW area. Responsibilities include greeting visitors, handling mail, coordinating between field offices and corporate, and maintaining project tracking spreadsheets.

The role supports onboarding, benefits queries, payroll-related activities, and timesheet audits, ensuring compliance with SOPs and safety culture. Prior experience in admin roles is required.