Front Desk & Administrative Coordinator

Martin Marietta; Dallas (TX); On-site; USD 42,000 - 52,000; Full time

Job summary

Martin Marietta is seeking an Administrative Assistant to serve as the first point of contact for visitors and callers while supporting day-to-day office operations.

The role includes front desk duties, fleet-vehicle coordination, mail handling, and cross-departmental administrative support across multiple teams, with backup for other staff as needed and a focus on maintaining a professional, welcoming environment.

Qualifications

• High School Diploma or equivalent required.
• 1–2 years of experience in an office or administrative support role.
• Strong organizational, communication, and customer service skills.
• Ability to multitask, prioritize, and manage office operations independently.
• Exceptional attention to detail with proofreading, writing, spelling, and grammar skills.
• Proficiency in Microsoft Office Suite (Word, Excel, Outlook, etc.).
• Strong interpersonal skills with a clear, friendly, and professional telephone presence.
• Professional appearance and demeanor at all times.
• Valid, unrestricted driver’s license required.

Responsibilities

• Answer and route incoming phone calls to appropriate personnel.
• Greet visitors and customers in a professional and welcoming manner.
• Validate parking passes as needed.
• Coordinate fleet vehicle requests and communicate status updates with relevant departments.
• Sort, distribute, and process incoming mail; prepare outgoing mail and packages.
• Provide administrative support across departments, including maintenance of shared spaces.
• Maintain shared office spaces, kitchen areas, and overall office organization.
• Monitor and replenish office supplies.
• Assist with scheduling meetings and events, including reserving spaces and coordinating meals.
• Support Executive and HR teams with special projects.
• Provide backup support for other office personnel when needed.
• Ensure a safe, clean, and organized work environment at all times.
• Perform additional administrative duties as assigned.

Skills

Organizational skills

Communication skills

Customer service

Multitasking

Attention to detail

Microsoft Office

Telephone etiquette

Professional appearance

Driver's license

Education

High School Diploma or equivalent

Tools

Microsoft Office Suite

Job description

Martin Marietta is seeking an Administrative Assistant to serve as the first point of contact for visitors and callers while supporting day-to-day office operations.

The role includes front desk duties, fleet-vehicle coordination, mail handling, and cross-departmental administrative support across multiple teams, with backup for other staff as needed and a focus on maintaining a professional, welcoming environment.