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MasTec Inc

Site Admin - Construction

MOUNTAIN HOME, ID, United States

$28 to $36 USD / hour

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Job details

Pay: $28 to $36 USD / hour
Apply by: Nov 3, 2027
Experience: Associates Degree (A.A) or 3 years’ experience in administrative support position
Posting language: English
Posted: Nov 3, 2026

Original job description

Overview

The Site Administrative II provides administrative and operational support to the project site, helping ensure efficient daily operations and providing support to project leadership, employees, and corporate support teams. This position is responsible for maintaining accurate records, coordinating administrative activities, supporting timekeeping and reporting processes, and assisting with project and employee-related administrative needs.

TRAVEL:

Travel required up to 100%. Position requires presence directly on the Project Site location in Rapid City, SD.

COMPANY OVERVIEW:

MasTec Industrial, alongside its sister company Phoenix Industrial, has been in operation since 1947. We serve a diverse clientele, including utilities, independent power producers, developers, and municipal utilities.

Specializing in projects using natural gas, oil, biomass, and other combustible fuels, our team boasts over 30 years of expertise in the power industry. We provide EPC (Engineering, Procurement, and Construction) services and assist in project development. Our experience spans various systems for utility and industrial facilities, including simple and combined cycle plants, reciprocating engines, and waste-to-energy projects. MasTec Industrial delivers value throughout all project phases, from conceptual design to operations and maintenance.

At MasTec Industrial, we are dedicated to delivering the highest quality, safety, and value in every project. We focus on attracting, developing, and retaining top talent within our organization. Our goal is to foster a respectful work environment where all employees feel valued, included, and empowered to become innovative leaders in the industry.

The MasTec Industrial 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. In addition to our industrial market sector; In infrastructure, we specialize in general heavy civil construction, underground utilities, structures, electrical work, material production, roadways, bridges, specialty pavement overlays, environmental projects and commercial buildings. 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

Perform general administrative duties, including answering phones, managing email and mail correspondence, filing, and maintaining organized records.
Schedule and coordinate meetings, appointments, and travel arrangements for project staff.
Prepare, format, and edit reports, presentations, and other documents using Microsoft Office applications.
Maintain office supplies and coordinate purchasing.
Collect, enter, review, and verify employee timesheets for accuracy and timely submission to Payroll.
Maintain project tracking logs, reports, databases, and spreadsheets.
Reconcile management purchasing card statements on a monthly basis.
Assist employees and project personnel with expense report preparation and submission.
Maintain accurate records and support documentation related to project administrative and financial activities.
Provide administrative support to project teams, including data entry, document control, and record maintenance.
Assist Corporate HR with new hire paperwork, I-9s onboarding documentation, and other administrative requirements.
Support employee onboarding activities by coordinating required paperwork and documentation with HR.
Maintain confidentiality when handling employee, payroll, financial, and project-related information.
Follow company policies, procedures, and established administrative processes.
Perform other duties and special projects as assigned.

Qualifications

EDUCATION AND WORK EXPERIENCE REQUIREMENTS:

Associates Degree (A.A) or 3 years’ experience in administrative support position

KNOWLEDGE, SKILLS, AND ABILITIES REQUIRED:

Be knowledgeable of MIC Health and Safety programs and project specific regulations.
When on-site, actively participate in daily toolbox meetings with crews and subcontractors.
Set a personal example of safe behavior.
Proficient in Microsoft Word, Excel, PowerPoint, Outlook and Internet
Strong verbal and written communication skills
Ability to multi-task
Other may duties may be assigned

PHYSICAL DEMANDS:

Work up to a 12-hour shift doing hard physical work in varying temperatures and outside conditions.
May need to maintain physical strength and stamina; Use arms, hands, and legs fully; Push, pull, and frequently lift and carry objects weighing up to 50 pounds; and stoop, kneel, balance, crouch, crawl, and climb to perform job tasks.
Stamina to perform this task repetitively and continuously for several hour intervals.
Uncontrolled environmental conditions: Constant change in weather and site conditions.
This work environment may involve moderate exposure to unusual elements, such as extreme temperatures, dirt, dust, fumes, smoke, unpleasant odors and/or loud noises.
Ability to wear personal protective equipment is required (including but not limited to- safety toed shoes, gloves, safety glasses, hearing protection, hardhat, vest, etc.).
Move in and around confined, cluttered, and uneven areas.
May need to work at heights and must be able to abide by all safety and fall-protection requirements; must be able to wear and utilize all safety equipment required for work at heights.
Evaluate information based on measurable standards; and see details in objects or drawings and recognize slight differences in shapes and shadings.
Visualize objects in three dimensions from drawings.
Keep good balance and work at heights.
See well (either naturally or with correction).
Hear well (either naturally or with correction.)
Coordinate the use of eyes, hands, and feet.

What's in it for you:

Financial Wellbeing

Compensation $28 - $36 per hour, 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

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

Position may be subject to pre-employment screening, which may include background check and drug testing. Accessibility: If you need an accommodation as part of the employment process, contact ceicareers@mastec.com. 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.

MasTec, Inc. is an Equal Employment Opportunity Employer/Disability/Veteran. The Company's policy is not to unlawfully discriminate against any applicant or employee on the basis of race, color, sex, sexual orientation, gender identity, religion, national origin, age, disability, genetic information, military 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.

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.

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More about this job

Skills

Reporting
Administrative support
Health and safety
Microsoft Word
Microsoft Excel
Microsoft PowerPoint
Microsoft Outlook
Communication skills
Carry objects
Wear protective equipment against industrial noise
Fall protection
Evaluate information

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