Administrative Assistant

Amentum is a global 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 school diploma or equivalent.
• Minimum of two (2) years of clerical or administrative assistant experience.
• Proficiency in Microsoft Office applications, including Word and Excel.
• Typing speed of 50-60 words per minute.
• Ability to operate standard office equipment.
• Must be in possession of a valid passport and be able to travel internationally.
• Passport must be valid for a minimum of one (1) year or more at the time of hiring.
• Ability to obtain country-specific visas per the U.S. Department of State Foreign Clearance Guide.
• Ability to successfully pass contract medical requirements and maintain compliance throughout the duration of deployment.
• Must be able to obtain and maintain facility credentials/authorization.
• Employees must read, speak, and comprehend English to the extent that they can perform the contract requirements and comply with installation emergency procedures.

Preferred Qualifications:

• Prior experience working in an austere OCONUS (Outside the Continental United States) environment with a multi-national workforce
• A valid driver’s license to legally operate a motor vehicle. Valid country driver’s license. and passport.
• Experience using PeopleSoft or similar systems.
• Strong organizational, time management, and customer service skills.

Other Responsibilities:

Safety: Amentum enforces a safety culture whereby all employees have the responsibility for continuously developing and maintaining a safe work environment. As appropriate, each employee is responsible for completing all training requirements, fulfilling all self-aid/buddy aid responsibilities, participating in emergency response tasks, and serving on safety committees and teams.

Quality: Quality is the foundation for the management of our business and the keystone to our goal of customer satisfaction. It is our policy to consistently provide services that meet customer expectations. Accordingly, each employee must conform to the Amentum Quality Policy and carry out job activities in compliance with applicable Amentum Quality System documents and customer contracts. Each employee must read and understand their Quality Management and Customer Satisfaction responsibilities.

Procedure Compliance: Each employee must read, understand, and implement the general and specific operational, safety, quality, and environmental requirements of all plans, procedures, and policies pertaining to the job.

Working Environment

This position is located on Diego Garcia, British Indian Ocean Territory (BIOT), a remote overseas location supporting U.S. Government operations. Employees may work in office, industrial, warehouse, port, airfield, and outdoor environments and may be exposed to high temperatures, humidity, inclement weather, noise, dust, and uneven terrain. Work schedules may include evenings, weekends, holidays, and extended hours based on operational requirements.

Physical Requirements

Requirements may include prolonged sitting, standing, walking, climbing stairs, and working in both indoor and outdoor environments. Must be able to meet all medical, security, and deployment requirements associated with assignment to a remote overseas location.