Construction Site Admin & Project Office Lead

Wanzek Construction, Inc.; Boise (ID); On-site; USD 37,000 - 44,000; Full time

Benefits offered by this job

401(k) with company match

Employee Stock Purchase Plan (ESPP)

Healthcare, Dental, Vision insurance

Paid time off

Job summary

MasTec Industrial is seeking a Site Admin to serve as the organizational backbone for field crews, project managers, and corporate teams in a fast-paced construction setting. You will handle receptionist duties, set up and maintain reports and databases, and assist HR with onboarding while juggling multiple priorities with precision.

You should be detail-driven, proficient in Microsoft Office, and comfortable working on a busy site.

Qualifications

• Associates Degree (A.A) or 1–3 years of administrative support experience.
• Proficient in Microsoft Word, Excel, PowerPoint, Outlook and Internet.
• Excellent verbal and written communication; strong multitasking.

Responsibilities

• Serve as receptionist and handle phones, visitors, mail, and supplies.
• Set up and maintain reports and databases.
• Assist HR with new hire paperwork and onboarding.
• Input and process timesheets for payroll.
• Maintain project tracking and purchasing records.
• Support Site Safety Coordinator as needed.
• Answer questions on payroll and timesheets.

Skills

Verbal communication

Written communication

Multi-tasking

Safety knowledge

Organizational skills

Education

Associate degree / admin exp

Tools

Microsoft Word

Microsoft Excel

PowerPoint

Outlook

Internet

Job description

MasTec Industrial is seeking a Site Admin to serve as the organizational backbone for field crews, project managers, and corporate teams in a fast-paced construction setting. You will handle receptionist duties, set up and maintain reports and databases, and assist HR with onboarding while juggling multiple priorities with precision.

You should be detail-driven, proficient in Microsoft Office, and comfortable working on a busy site.