Administrative Assistant

00002 Martin Marietta Materials, Inc.; United States; On-site; USD 25,000 - 34,000; Full time

Job summary

Martin Marietta Materials, Inc. seeks an Office Coordinator / Administrative Assistant to serve as the first point of contact for visitors and callers, manage front desk activities, coordinate fleet vehicle requests, and support administrative functions across multiple departments.

This full-time role emphasizes a welcoming, professional office atmosphere and strong organizational support. This position also contributes to planning meetings and events, mail handling, supplies management, and

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 departments
• Sort, distribute, and process incoming mail; prepare outgoing mail and packages
• Provide administrative support across departments and maintain office organization
• Monitor and replenish office supplies
• Assist with scheduling meetings and events, including reserving meeting 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

Professional telephone presence

Office management

Driver's license

Education

High School Diploma or equivalent

Tools

Microsoft Office Suite

Job description

Position Summary

The Office Coordinator / Administrative Assistant serves as the first point of contact for visitors and callers while ensuring efficient day-to-day office operations. This role is responsible for managing front desk activities, coordinating fleet vehicle requests, handling mail distribution, and supporting administrative functions across multiple departments. The position also maintains office organization, supports meetings and events, and contributes to a safe, professional, and welcoming environment. Additionally, this role provides support to the Executive and HR teams on special projects and serves as backup for other office personnel as needed.

Key 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
• Maintain shared office spaces, kitchen areas, and overall office organization
• Monitor and replenish office supplies
• Assist with scheduling meetings and events, including
• Reserving meeting spaces
• Coordinating meals and refreshments
• 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

Qualifications andamp; Requirements

• 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
• Ability to multitask, prioritize, and manage office operations independently
• Exceptional attention to detail with strong 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

Preferred Attributes

• Proactive and self-motivated approach to work
• Ability to handle confidential information with discretion
• Strong problem-solving skills and adaptability in a fast-paced environment
• Team-oriented mindset with a willingness to support others

Work Environment

This position operates in-person (not remote) and in an office setting.

Physical Demands

While performing the duties of this job, the employee is occasionally required to stand; walk; sit; use hands to feel, or handle objects, tools or controls; reach with hands and arms; climb stairs; balance; stoop, kneel, crouch or crawl; talk or hear; and taste or smell. The employee must lift or move up to 25 pounds. Specific vision abilities required by the job include close vision, distance vision, peripheral vision, depth perception and the ability to adjust focus.

Position Type/Expected Hours of Work

This is a full-time position. Typical hours would be Monday-Friday 8:00 AM - 5:00 PM with some OT expectations. Every member of our ONE Martin Marietta team is driven by our shared values of safety, integrity, excellence, community and stewardship. We are a member of the S&P 500 Index and a leading supplier of aggregates and heavy building materials. Through a network of operations spanning 29 states, Canada and the Bahamas, our teammates supply the foundational resources on which our communities thrive and grow. Our Specialties business provides high-purity magnesia and dolomitic lime products used worldwide in environmental, industrial, agricultural and specialty applications. In a world that's focused on the power of many, we believe in the power of ONE - the magic of bringing together our unique perspectives, experiences and talents to evolve a shared vision and future. Our backgrounds may vary, but our voices come together in support of the same goals. We want to build legacies for ourselves and our loved ones, strengthen our communities and safely and responsibly engage in work we know will make a difference.