Administrative Assistant – US Navy Program (Diego Garcia)

About the role

Amentum is looking for an Administrative Assistant to support a unique U.S. Navy program on Diego Garcia. The role provides essential clerical and administrative services that keep the department running smoothly, from handling communications to processing payroll documentation.

Key responsibilities

• Screen and direct telephone calls, visitors, and incoming correspondence professionally.
• Perform routine office tasks such as typing, filing, faxing, scanning, mailing, and distributing documents.
• Confirm, code, and distribute invoices for payment processing.
• Process employee timesheets, expense reports, and verify charge codes.
• Coordinate domestic and international travel arrangements for staff.
• Review outgoing correspondence for accuracy and compliance.
• Order, receive, and maintain office supplies.
• Process new‑hire paperwork, prepare employment packets, and generate offer letters.
• Maintain organized electronic and hard‑copy filing systems.

Required profile

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

Required skills

• Proficiency with Microsoft Office, especially Word and Excel.
• Typing speed of 50‑60 words per minute.
• Ability to operate standard office equipment.