Amentum is a integral leader in advanced engineering and innovative technology solutions, trusted by the United States and its allies to address their most significant and complex challenges in science, security and sustainability. Our people apply undaunted curiosity, relentless ambition and boundless imagination to challenge convention and drive progress. Our commitments are underpinned by the belief that safety, collaboration and well-being are integral to success.

Amentum is seeking an Administrative Assistant to support a unique US Navy program on the island of Diego Garcia. The Administrative Assistant provides administrative and clerical support to ensure the operation of the department. This position is responsible for managing communications, processing invoices and payroll documentation, coordinating travel arrangements, maintaining records, and supporting onboarding activities.

Job Responsibilities:
- Screen and direct telephone calls, visitors, and incoming correspondence in a professional and courteous manner.
- Perform administrative duties to include typing, filing,



faxing, scanning, mailing, and distributing correspondence and documents.
- Confirm, code, and distribute invoices for payment processing.
- Process employee timesheets and expense reports and verify the accuracy of charge codes.
- Coordinate travel arrangements for mobilizing employees and departmental personnel, including domestic and international travel.
- Review outgoing correspondence and materials for accuracy, consistency, and compliance with established procedures.
- Order, receive, and maintain office and departmental supplies.
- Process new hire paperwork, prepare and mail employment packets, and generate offer letters and other onboarding documentation.
- Maintain organized records and filing systems, both electronic and hard copy.
- Perform other job-related duties as assigned that are consistent with the nature and level of the position.

Required Qualifications:
- High schoo

📌 Administrative Assistant (Garcia)
🏢 Amentum
📍 Garcia