Site Admin - Construction

MasTec’s Clean Energy and Infrastructure Group (CE&I) is a $2 billion annual revenue business unit providing construction services for industrial facilities, building products manufacturers, power generation facilities, manufacturing plants, solar, wind, thermal energy plants, buildings, and infrastructure. Within CE&I, the MasTec Industrial sector includes sister companies Casey Industrial, Phoenix Industrial, and Wanzek Industrial, offering a merit shop, multi-craft industrial contractor capable of self-performing all major craft trades. This ensures greater safety, quality, flexibility, and economy in project delivery. The team provides comprehensive project development, pre-construction planning, and project management to meet deliverable and budgetary requirements while maintaining high standards of quality, safety, and value.

MasTec Industrial, alongside Phoenix Industrial, has operated since 1947, serving utilities, independent power producers, developers, and municipal utilities. Specializing in projects using natural gas, oil, biomass, and other combustible fuels, the team has over 30 years of expertise in the power industry, offering EPC (Engineering, Procurement, and Construction) services and project development. Experience spans utility and industrial facilities, including simple and combined cycle plants, reciprocating engines, and waste-to-energy projects. MasTec Industrial delivers value across all project phases, from conceptual design to operations and maintenance, fostering a respectful work environment where employees feel valued and empowered.

The MasTec Industrial market sector is part of the MasTec Clean Energy & Infrastructure business segment, which generates over $4 billion in annual revenue. CE&I provides construction services across industrial, renewables, and infrastructure sectors. In infrastructure, the company specializes in heavy civil construction, underground utilities, structures, electrical work, material production, roadways, bridges, specialty pavement overlays, environmental projects, and commercial buildings. The renewables sector focuses on solar, wind, and battery storage. Sustainability and safety are foundational to the culture. MasTec, a minority-owned Fortune 500 company, has shaped the construction industry for over 90 years, with over 35,000 employees and 400 offices nationwide.

About the role

The Site Admin II provides administrative support to on-site project management and staff, including administrative functions, accounting reporting, and serving as a liaison for employees. This role assists corporate HR with new hire paperwork and onboarding requirements.

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

Responsibilities

• Serve as receptionist, including answering phones, greeting visitors, handling incoming and outgoing mail, copying, ordering, and maintaining office supplies.
• Set up and maintain reports and databases as requested.
• Assist corporate HR with new hire paperwork and onboarding requirements.
• Assist the Site Safety Coordinator as needed.
• Input, verify, and process timesheets for payroll.
• Maintain tracking, reporting, and database spreadsheets for the project.
• Reconcile management’s purchasing card statements monthly.
• Assist all employees with questions on payroll and timesheets.
• Assist with equipment questions (scanner, copy machine, etc.).
• Maintain a filing system of all documents and drawings, tracking distribution.
• Be knowledgeable of MIC Health and Safety programs and project-specific regulations.
• Actively participate in daily toolbox meetings with crews and subcontractors when on-site.
• Set a personal example of safe behavior.
• Perform other duties as assigned.

Requirements

• Associate’s Degree (A.A.) or 3 years’ experience in an administrative support position.
• Proficient in Microsoft Word, Excel, PowerPoint, Outlook, and Internet.
• Strong verbal and written communication skills.
• Ability to multi-task and be highly organized.

Qualifications

Physical Demands

• Work up to a 12-hour shift doing hard physical work in varying temperatures and outside conditions.
• Maintain physical strength and stamina; use arms, hands, and legs fully.
• Push, pull, and frequently lift and carry objects weighing up to 50 pounds.
• Stoop, kneel, balance, crouch, crawl, and climb to perform job tasks.
• Stamina to perform tasks repetitively and continuously for several hour intervals.
• Work in uncontrolled environmental conditions with constant changes in weather and site conditions.
• 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 (safety-toed shoes, gloves, safety glasses, hearing protection, hardhat, vest, etc.).
• Move in and around confined, cluttered, and uneven areas.
• Work at heights and abide by all safety and fall-protection requirements; wear and utilize all required safety equipment.
• Evaluate information based on measurable standards; 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.

Benefits

Financial Wellbeing

• 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.

Pay

$28 - $36 per hour, commensurate with experience.