Administrative Assistant

About the role

Amentum is seeking an Administrative Assistant to support a unique US Navy program on the island of Diego Garcia. The role provides essential clerical and administrative support to ensure smooth department operations.

Key responsibilities

• Screen and direct telephone calls, visitors, and incoming correspondence professionally.
• Perform administrative duties including typing, filing, faxing, scanning, mailing, and distributing documents.
• Process invoices, employee timesheets, expense reports, and verify charge codes.
• Coordinate domestic and international travel arrangements for staff.
• Maintain organized electronic and hard‑copy filing systems and manage office supplies.
• Support onboarding activities such as preparing employment packets and generating offer letters.

Required profile

• High school diploma or equivalent.
• Minimum two years of clerical or administrative assistant experience.
• Valid passport with at least one year remaining and ability to obtain required visas.
• Ability to pass contract medical requirements and maintain facility credentials.
• Proficiency in English for reading, speaking, and comprehension.

Required skills

• Microsoft Office applications, especially Word and Excel.
• Typing speed of 50‑60 words per minute.
• Experience with PeopleSoft or similar enterprise systems (preferred).