Site Admin I

Provide administrative support to the on-site project management team and site-based employees. Company Overview MasTec Renewables, comprised of Wanzek Construction, IEA Constructors, and White Construction, combines over 20 years of experience in renewable energy construction. Depending on your position and project, you may work for one or more of our companies over your career with us. Join one of the largest construction firms in the country (Engineering News-Record [ENR]: #1 in Power, #17 Top 50 Domestic Heavy Contractors, #20 Transportation Contractor). We embrace diverse perspectives among our employees and across all levels of our business, including our suppliers, community partners, and clients. We have built a multidimensional workforce that brings valuable differences in perspectives, work ethics, and approaches to our organization. By collaborating across departments, we foster innovation and encourage everyone—from interns to executives—to share their ideas and make an impact. Our goal is to create a respectful work environment where all employees feel valued, included, and empowered to become innovative leaders in our industry. The MasTec Renewables market sector is part of the MasTec Clean Energy & Infrastructure business segment. MasTec’s Clean Energy & Infrastructure (CE&I) segment generates over $4 billion in annual revenue, providing construction services across industrial, renewables and infrastructure sectors. Our renewables sector focuses on solar, wind and battery storage. Sustainability and safety are foundational to our culture and influence everything we do. MasTec, a minority-owned Fortune 500 company, has shaped the construction industry for more than 90 years. With over 35,000 employees and 400 offices nationwide, we provide flexibility and career growth in dynamic work environments.

Essential Job Functions: Greet visitors and direct them, handle incoming and outgoing mail, and assist with copying and scanning as needed Act as liaison between the Field office and Corporate offices Maintain tracking and reporting spreadsheets needed for the project Assist with project set-up activities, including but not limited to setting up office contacts and services Maintain an adequate amount of office supplies Utilize a cleaning schedule with other office personnel to maintain a clean and organized office throughout the duration of the project Assist employees with questions related to benefits, training, payroll, timesheets, time off requests, and employee record updates Assign Standard Operating Procedure (SOP) quizzes in Mastec University within 24 hours of receiving the completed training roster from site supervision Serve as a champion of the organization’s Safety culture Lead daily timesheet audits, ensuring accuracy and compliance Notify management of timesheet errors as they arise Assist with the correction process for craft payroll to ensure accuracy Work with Payroll to ensure adequate training within our various time keeping systems for supervisors onsite Coordinate with Payroll for onsite check printing and distribute weekly paystubs (Union only) Ensure payroll policies are being followed (i.e. per diem, PTO, rotation, etc.) and following up with site leadership with issues Assist with onboarding of employees, including validating assigned paperwork is complete, collecting and verifying I-9 documentation, and participating in new hire orientation Initiate and coordinate Union Hall referrals for Craft employee hiring (Union only) Maintain site roster and time off calendar Complete I=9 audits to ensure all cases are closed and employees are authorized to work Submit mileage mobilization reimbursement for eligible employees when applicable Ensure job/salary changes are submitted in a timely manner and that site management is aware of the process and provide training as needed Audit site roster and Last Day Worked report regularly to ensure that employee’s files