Administrative Assistant - Miami

MasTec Inc
Miami, FL

: Overview:

The Administrative Assistant will provide administrative and general office support to the site and regional operations. The Administrative Assistant directly impacts business operations by providing efficient and effective support directly to the field. The Administrative Assistant will act as the primary point of contact for site personnel, Operations Managers, and Regional Support Managers.

Who Are We:

Founded in 1987, MasTec Civil (formerly known as Condotte America), a MasTec Company, is a heavy highway contractor specializing in the construction of complex transportation projects that include roadway, bridges, interchanges, mass transit, and tolling facilities. In short, we build the roads and bridges connecting our families, communities, and nation. In doing so, client satisfaction is of primary importance to us, and our record reflects our emphasis on understanding our client needs in order to exceed their expectations. MasTec's Clean Energy and Infrastructure Group (CE&I) is a $4 billion annual revenue business unit that provides construction services for industrial facilities; building products manufacturers, power generation facilities, manufacturing plants; solar, wind, and thermal energy plants; buildings, and infrastructure. Responsibilities:
  • Establish and maintain a filing system, ensuring documentation/information is current and can be readily retrieved.
  • Assist with external and internal vendor relations, including but not limited to, payment of invoices, new vendor setup, and resolution of any vendor issues.
  • Handle incoming calls, emails, and company related correspondence daily, including customer inquiries and complaints, routing inquiries/requests to appropriate individual/department for response, following up and providing any coordination necessary to ensure response occurs in timely, efficient manner.
  • Assist customers with immediate needs and help employees with tasks related to customer requests.
  • Track paperwork, process new work/projects, change the status of work/projects, create invoices for all jobs and keep a detailed record of start and end dates in a separate log.
  • Organize and coordinate staff and other meetings, including preparing materials pertaining to agenda items, following up with staff members regarding status of action items, etc.
  • Respond timely to requests from Resource Management and Field Operations.
  • Keep site bulletin boards updated and neatly organized with company newsletters, safety bingo, daily scorecards, federal posters, workers compensation information, etc.
  • Attend crew meetings as needed to collect documents, communicate information, and respond to inquiries.
  • Maintain safe work environment by following and supporting safe practices.
  • Prepare and submit expense reports weekly in accordance with company policy, including for traveling technicians and new hires.
  • Receive payroll timesheets and input in a timely fashion to ensure employees get paid on time.
  • Assist/provide backup support to other office support employees as required.
  • Coordinate special projects as assigned.
  • Assist and support field management on projects and daily business needs.
Qualifications: Qualifications

Minimum

  • High school diploma or equivalent.
  • 1 year of clerical or administrative experience related to work orders and invoice processing.

Preferred

  • Associate degree in business management or similar, including computer and accounting courses.
  • Experience in a construction or project environment.
What's in it for You 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
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 [email protected]. 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. 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 . 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. #LI-EL1 #L1-Onsite

Posted 2026-04-30

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