Overseas Administrative Assistant — Diego Garcia

Amentum; Manila; On-site; PHP 2,602,000 - 3,717,000; Full time

Job summary

Amentum is seeking an Administrative Assistant to support a US Navy program on Diego Garcia. The role provides administrative and clerical support to ensure department operations, including communications, invoicing, payroll documentation, travel coordination, and onboarding activities.

Located on Diego Garcia, BIOT, this position requires scheduling flexibility, travel readiness, and adherence to safety, quality, and procedural policies.

Qualifications

• High school diploma or equivalent.
• 2+ years clerical or administrative experience.
• Proficiency in Microsoft Office applications (Word and Excel).
• Typing speed 50-60 wpm.
• Capable of operating standard office equipment.
• Passport valid for travel internationally.
• Ability to obtain country-specific visas.
• Able to pass contract medical requirements and deployment clearance.
• English reading, writing, and comprehension sufficient for contract requirements.

Responsibilities

• Screen and direct telephone calls, visitors, and correspondence.
• Perform typing, filing, faxing, scanning, mailing, and distributing documents.
• Process invoices and payroll documentation for payment.
• Process timesheets and expense reports and verify charge codes.
• Coordinate travel arrangements for mobilization of employees and department personnel.
• Review outgoing materials for accuracy and compliance with procedures.
• Order and maintain office supplies.
• Process new hire paperwork and generate offers and onboarding documents.
• Maintain organized electronic and hard-copy records.

Skills

MS Office proficiency

Typing 50–60 wpm

International travel

Communication skills

Education

High school diploma

Tools

PeopleSoft

Job description

Amentum is seeking an Administrative Assistant to support a US Navy program on Diego Garcia. The role provides administrative and clerical support to ensure department operations, including communications, invoicing, payroll documentation, travel coordination, and onboarding activities.

Located on Diego Garcia, BIOT, this position requires scheduling flexibility, travel readiness, and adherence to safety, quality, and procedural policies.