Administrative Assistant

About Plateau

Plateau Excavation is one of the Southeast’s leading full-service sitework contractors, specializing in excavation, grading, utilities, blasting, crushing, and mission-critical infrastructure projects. With one of the largest and most modern fleets in the Southeast, our teams help build the groundwork for industrial, commercial, e-commerce, and data center developments across the region.

Plateau Excavation is seeking a highly organized and dependable Administrative Assistant to support daily office operations and project teams. This role is ideal for someone who thrives in a fast-paced construction environment and enjoys supporting multiple departments while keeping operations organized and efficient.

• Provide administrative support to office leadership and project teams
• Manage phone calls, emails, scheduling, and office coordination
• Assist with document preparation, filing, and data entry
• Organize meeting schedules, calendars, and conference room coordination
• Support onboarding paperwork and office administration tasks
• Maintain office supplies and coordinate vendor/service needs
• Assist with reports, spreadsheets, and internal communication documents
• Help organize company events, meetings, and team functions
• Maintain professionalism and confidentiality in all interactions

• Previous administrative or office support experience preferred
• Construction industry experience is a plus
• Strong organization and multitasking skills
• Proficiency in Microsoft Office Suite
• Excellent communication and professionalism
• Ability to work independently and in a team environment
• Detail-oriented with strong time management skills

• Industry-leading projects across the Southeast
• Strong company culture focused on people and safety
• Growth opportunities within a rapidly expanding organization
• Competitive compensation and benefits
• Team-oriented environment with long-term career potential