Martin Marietta
Administrative Assistant
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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 & 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, prioritizePosition 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 & 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, 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.
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