Site Admin I (Multiple Locations)

IEA Infrastructure and Energy Alternatives; Dallas (TX); On-site; USD 30,000 - 32,000; Full time

Benefits offered by this job

401(k) match

Employee Stock Purchase Plan (ESPP)

Flexible Spending Account (FSA)

Medical insurance

Dental insurance

Vision insurance

Paid time off

Holidays & Bereavement leave

Employee Assistance Program (EAP)

Disability insurance

Life insurance

Gym membership

Job summary

MasTec Renewables is seeking an on-site Administrative Assistant to support the project management team and site personnel. This role requires travel and working at project sites, with duties spanning front-desk reception, mail handling, timekeeping coordination, and payroll support.

Ideal candidates have 1–3 years of admin experience, strong communication skills, and proficiency with MS Word/Excel/Outlook.

Qualifications

• 1–3 years of administrative support experience
• Proficient in MS Word, Excel, Teams, Outlook, and Internet
• Strong verbal and written communication skills

Responsibilities

• Greet visitors, handle mail, and assist with copying/scanning
• Act as liaison between Field office and Corporate offices
• Maintain tracking and reporting spreadsheets for the project
• Assist with project setup activities and onboarding
• Maintain office supplies and a clean, organized workspace
• Assist employees with benefits, payroll, timesheets, and records updates
• Lead SOP quizzes in MasTec University within 24 hours of roster reception
• Support payroll processes and on-site timekeeping systems
• Coordinate union referrals and employee onboarding activities
• Ensure proper I-9 audits and work authorization
• Assist with equipment questions and IT support onsite
• Other duties as assigned

Skills

Microsoft Word

Excel

Teams

Outlook

Communication

Multitasking

Safety awareness

Tools

MS Office Suite

Job description

Overview

NOTE: PLEASE BE ADVISED THAT THIS ROLE REQUIRES TRAVEL AND YOU ARE REQUIRED TO WORK AT THE PROJECT ONSITE.

Position Summary:

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.

Responsibilities

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 are up to date
• Work with employees as issues arise to provide the proper point of contact to solve their matters
• Assist users with logging into company software accounts
• Assist with equipment questions (scanner, copy machine, etc.)
• Partner with the IT department to help users troubleshoot onsite equipment issues
• Other duties as assigned

Qualifications

Education and Work Experience Requirements:

• One to three years’ experience in administrative support position

Knowledge, Skills and Abilities Required:

• Take reasonable care of your own and others’ health and safety and of those who may be affected by the day‑to‑day delivery of this role by taking personal responsibility for working toward the Company’s Zero Injury principles
• Proficient in Microsoft Word, Excel, Teams, Outlook, and Internet
• Strong verbal and written communication skills
• Strong ability to multi‑task and attention to detail

Working Environment

• When visiting jobsites the work environment involves some exposure to hazards or physical risks, which require following basic safety precautions
• This work environment may involve moderate exposure to unusual elements, such as extreme temperatures, dirt, dust, fumes, smoke, unpleasant odors and/or loud noises

What's in it for you:

Financial Wellbeing

• Compensation $22 - $23.50 hourly, commensurate with experience
• Competitive pay with ongoing performance review and merit increase
• 401(k) with company match & Employee Stock Purchase Plan (ESPP)
• Flexible spending account (Healthcare & Dependent care)

Health & Wellness

• Medical, Dental, and Vision insurance (plan choice) - coverage for spouse, domestic partner, and children
• Diabetes Management, Telehealth Coverage, Prescription Drug Plan, Pet Insurance, Weight Management Drug Discount
• Discounted National Gym Membership Network

Family & Lifestyle

• Paid Time Off, Paid Holidays, Bereavement Leave
• Military Leave, including Differential Pay and Benefits Continuation
• Employee Assistance Program

Planning for the Unexpected

• Short and long‑term disability, life insurance, and accidental death & dismemberment
• Voluntary life insurance, accident, critical illness, hospital indemnity coverage
• Emergency Travel Assistance Program
• Group legal plan

MasTec, Inc. is an equal employment opportunity employer. The Company's policy is not to unlawfully discriminate against any applicant or employee on the basis of race, gender, sex, sexual orientation, gender identity, color, religion, national origin, age, disability, genetic information, veteran status or any other consideration made unlawful by applicable federal, state, or local laws. The Company also prohibits harassment of applicants and employees based on any of these protected categories. It is also MasTec's policy to comply with all applicable state, federal and local laws respecting consideration of unemployment status in making hiring decisions.

Position may be subject to pre‑employment screening, which may include background check and drug testing. Accessibility: If you need accommodation as part of the employment process, contact [e-mail]. Due to the high volume of applications received, we are unable to respond to individual requests regarding application status. Please log into your candidate profile for up‑to‑date information.

Disclaimer: MasTec and our Subsidiaries will never ask prospective employees for any form of payment or money transfer as part of job application or onboarding. We do not ask prospective employees for information about credit cards or personal passwords, and it does not require applicants to purchase equipment or software. Ensure that all recruiter email addresses end in @mastec.com or @talent.icims.com. If you suspect you are the target of a scam, we advise you to contact your local law enforcement agency and report fraud at https://reportfraud.ftc.gov/.

MasTec Clean Energy & Infrastructure and our subsidiaries do not work with any third‑party recruiters or agencies without a valid signed agreement and partnership with the Corporate Talent Acquisition Team.