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Administrative Assistant

GCC

Rapid City, SD, USAPosted Oct 9, 2026

Job description

We are seeking a highly organized and proactive Administrative Assistant who thrives in a fast-paced industrial environment and enjoys supporting leaders and teams. The ideal candidate has experience supporting executive-level management, exceptional communication skills, and strong proficiency in Microsoft Office. They excel at managing schedules, coordinating travel, processing reports and invoices, and handling a variety of administrative responsibilities with accuracy, professionalism, and attention to detail.

Experience supporting operations in an industrial, manufacturing, or production setting is preferred. Bilingual English/Spanish skills are a plus. Work Hours 7:30 AM to 4:00 PM, Monday through Friday.

What You Will Do

Provide administrative support to department leadership and team members. Coordinate calendars, schedule meetings, and organize department activities. Arrange business travel, lodging, and related logistics. Manage office and kitchen supply purchases and inventory. Process expense reports, invoices, and other administrative records in a timely manner.

Answer and direct phone calls, greet visitors, and ensure messages are routed appropriately. Create reports, presentations, correspondence, and other business documents. Maintain accurate data and records in company and external systems. Support day-to-day office operations and assist with special projects and other administrative duties as assigned.

Education

High School Diploma or Equivalent Required Experience: A minimum of one year’s recent experience working as an Administrative Assistant supporting executive level management is required. Excellent verbal and written communication in English. Intermediate to advanced knowledge of Outlook, Word, Excel, PowerPoint and Access.

Desired: Associate's Degree Bilingual Spanish/English Who we are: GCC is a world-class company that produces, distributes and markets cement, ready-mixed concrete, aggregates, and innovative products related to the construction industries in Mexico and the United States. We take pride in being a market leader with a culture of innovation, high performance and safety.

GCC offers a very competitive benefits program including paid time off, medical, dental, vision, short and long-term disability insurance plans, and a 401K. You will love working here because: At GCC, employees are our most important resource. As a part of the GCC family, you'll be welcomed into a culture that promotes the company vision and internal career growth.

Our company vision is to have our customers recognize us as a business partner that generates the most value for their construction projects. We're a sustainable growing company, a great place to work, and a solid investment for our shareholders. GCC is an enterprise with a global and sustainable approach. Our production is mainly devoted to the manufacture and sale of gray Portland cement, mortar, premixed concrete, concrete blocks, plaster, aggregates, and other construction materials.

Join the family! An Equal Opportunity Employer GCC does not discriminate on the basis of race, color, religion, national origin, sex, age, disability, genetic information, or any other status protected by law or regulation. It is our intention that all qualified applicants be given equal opportunity and that selection decisions are based on job-related factors.

We hold each other accountable to live our core values of health and safety, attitude of service, integrity, teamwork, innovation and excellence. GCC employees demonstrate these values every day. An Equal Opportunity Employer GCC does not discriminate on the basis of race, color, religion, national origin, sex, age, disability, genetic information or any other status protected by law or regulation.

It is our intention that all qualified applicants be given equal opportunity and that selection decisions are based on job-related factors, including skills, abilities and experience. Please click the links to view the federal compliance posters

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