Post Clerk – Mail Services

Amentum

Post Clerk OCN supporting US Navy program on Diego Garcia. Responsible for mail delivery, distribution, and personnel supervision.

Posted 7/6/2026full-time🇬🇧 United KingdomMid-LevelSeniorWebsite

About the role

Key responsibilities & impact

Provides daily operational support for mil services operations, ensuring timely delivery, distribution, and handling of mail, supplies, material, packages and related items.
Oversees the receipt, processing, sorting, tracking, and distribution of incoming and outgoing mail, parcels, and deliveries in accordance with established standard operating procedures, safety guidelines, and security requirements.
Supervise mail services personnel responsible for mail collection, sorting, metering, scanning, and delivery activities to ensure accurate and efficient operations.
Provide guidance on the proper use of mail equipment, including postage meters, scales, barcode scanners, and other related systems.
Maintain knowledge of all Mail Services functions to train, mentor, and support staff in daily operations and procedures.
Address and resolve all employee concerns, operational challenges, and job related issues to maintain a productive work environment.
Promote teamwork and collaboration to ensure seamless delivery of Mail Services support across the organization.
Performs other job related duties as assigned that are consistent with the nature and level of the position.

Requirements

What you’ll need

Must complete required training and obtain qualification in accordance with the Department of Defense (DoD) Postal Manual 4525.6-M, dated August 15, 2002, and applicable USPS Domestic Mail Manual (DMM) requirements prior to performing postal duties.
Knowledge and understanding of U.S. Postal Service operations, including postage metering equipment, mail processing procedures, domestic and international mailing requirements, and customs practices.
Ability to work independently with minimal supervision and effectively manage routine operational issues.
Ability to maintain confidentiality and protect customer privacy and sensitive information.
Previous experience handling cash and ability to maintain accountability for financial transactions.
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 successfully pass contract medical requirements and maintain compliance throughout the duration of deployment.
Ability to stand, walk, bend, and lift materials weighing up to 70 pounds for extended periods.
Must be available to work a flexible schedule, including early mornings, daytime, and evening hours based on operational and flight schedules.
High School Diploma or equivalent required.
Minimum of three (3) years experience in mail services, postal operations, or a related field.
Must be able to obtain and maintain facility credentials/authorization.
Must be able to speak, read, and comprehend English.

Benefits

Comp & perks

Safety: Amentum enforces a safety culture whereby all employees have the responsibility for continuously developing and maintaining a safe work environment.
Quality: Quality is the foundation for the management of our business and the keystone to our goal of customer satisfaction.
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.

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

Mail Processing ProceduresMail SortingMail DeliveryBarcode ScanningCash HandlingOperational Issue ManagementCustoms PracticesPhysical Lifting (up to 70 pounds)Training and MentoringConfidentiality Maintenance

Soft Skills

TeamworkCollaborationProblem SolvingCommunicationIndependence

Certifications

DoD Postal Manual QualificationFacility Credentials/Authorization