Senior Administrative Assistant - Executive Support

Northrop Grumman; Warner Robins (GA); On-site; USD 48,000 - 81,000; Full time

Job summary

Northrop Grumman in Warner Robins, GA is seeking an Administrative Assistant 3 to support the OU Director and leadership team. Responsibilities include managing calendars, travel, expenses, and document workflows using SharePoint, Microsoft Office, and Concur.

The role requires 4+ years of administrative experience, strong organization, discretion with confidential information, and the ability to work in a fast-paced environment.

Qualifications

• High school diploma or equivalent; 4+ years administrative experience or a Bachelor’s Degree in Business or related discipline with 0-1+ years of related experience.
• Proficiency with SharePoint, Microsoft Office, and Concur.
• Experience supporting managers or senior leaders in a fast-paced environment.
• Strong organizational skills with the ability to prioritize, multi-task, and meet deadlines.
• Excellent written and verbal communication; attention to detail; ability to handle sensitive information discreetly.

Responsibilities

• Provide direct administrative support to the OU Director and leadership team, maintaining professionalism and discretion.
• Manage complex calendars; schedule meetings; coordinate conference rooms; arrange virtual/hybrid meeting logistics.
• Coordinate travel arrangements and prepare itineraries; create and submit expense reports using Concur.
• Prepare, edit, and proofread correspondence, reports, presentations, and meeting materials using Microsoft Office.
• Create, organize, and maintain SharePoint sites, document libraries, and lists to support information sharing and version control.
• Maintain electronic and physical files, records, and distribution lists; ensure information is accurate and up-to-date.
• Organize staff meetings, leadership reviews, and special events (agendas, materials, minutes, action item tracking).
• Track action items and deliverables; assist in monitoring deadlines, priorities, and status.
• Serve as a point of contact for internal and external stakeholders on behalf of the OU Director and leadership team.
• Support onboarding of new team members (workspace coordination, distribution lists, basic system access requests, orientation materials).
• Perform simple data entry, tracking, and reporting in Excel and SharePoint; generate basic summaries or status reports.

Skills

Administrative support

Calendar management

Communication skills

Organization

Discretion with confidential info

Education

Bachelor's Degree in Business or related

Tools

SharePoint

Microsoft Office

Concur

Job description

Northrop Grumman in Warner Robins, GA is seeking an Administrative Assistant 3 to support the OU Director and leadership team. Responsibilities include managing calendars, travel, expenses, and document workflows using SharePoint, Microsoft Office, and Concur.

The role requires 4+ years of administrative experience, strong organization, discretion with confidential information, and the ability to work in a fast-paced environment.