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Work Control Specialist

Yokohama, JPN; Yokohama; Yokohama,; Japan
Full Time On-site

Summary

Job Description

Summary:

In addition to meeting the necessary qualifications the selected candidate must be comfortable working in a dynamic environment supporting US military bases throughout Japan, including Okinawa. This position will support a General Services Administration (GSA) contract for Global Supply Logistics Operations Solutions Support Services in the Japan Area of Operation (AOR).

Performance Location: The individual filling this position will be supporting Amentum on a contract by GSA and working with Federal and Department of Defense (DoD) customers across Japan, including Okinawa.

Working Environment: Typical office environment with occasional visits to the warehouse that may include hazardous materials, occasional lifting to 20 pounds, kneeling, standing, and walking. Constant use of sight abilities while reviewing documents, constant use of speech/hearing abilities for communication, constant mental alertness, must possess planning/organizing skills, and must be able to work under deadlines.

Work Schedule: This position works eight hours per day, five days per week minimum at an hourly rate. This is a hybrid position where in-person attendance is required 2-3 days per week. Occasional participation in training scheduled during US/CONUS hours of operations may be required

Position Responsibilities:

  • Works independently and professionally with minimal supervision under the direction of Customer Service Manager and Operations Manager
  • Assists in managing, processing, researching, and resolving customer orders and inquiries
  • Receives, processes, schedules and monitors customer orders
  • Assists with follow ups to the customer, follow ups with suppliers and record keeping of all communication
  • Assists with scheduling and coordinating deliveries to customers
  • Perform general office administrative duties such as preparing reports, tables, summaries and other documents using standard office software
  • Performs and monitors transactions and generates reports in one or more automated ERP/inventory management systems
  • Perform other duties as assigned

Minimum Acceptable Experience and Qualification Levels:

  • Proficiency in Microsoft Office to include Outlook, Word, and Excel
  • High School Diploma or Equivalent
  • 1 year work experience or exposure to Quality, Safety, Administration or Maintenance processes

Expected Skills and Competencies:

  • Ability to analyze data, and generate meaningful reports
  • Excellent oral and written communication skills
  • Good organizational and planning skills
  • Possesses and demonstrates a positive focus on achieving outstanding customer satisfaction
  • Work well as part of a team and independently and can handle issues with tact and diplomacy.
  • Good organizational, time management, and communication skills with the ability to exercise sound judgment and make independent decisions.
  • Cross-cultural sensitivity with an international perspective.
  • Able to multi-task and not lose focus
  • Prior experience utilizing automated ERP, inventory management, or maintenance management systems preferred.
  • Understanding of inventory and supply chain management preferred

Education:

  • High school diploma or GED required.

Language Requirements:

  • Must be fluent in speaking, reading, writing and typing English with a minimum TOEIC score of 750, CASEC of 800, EIKEN Quasi-Level 1 (or similar tests)
  • Speaking, reading and writing Japanese experience preferred
  • Primary communication is in English
  • Must have oral and written communication skills sufficient to effectively communicate with employees, management, and the client.

Professional Licenses & Certifications: N/A

Other Requirements:

  • Candidate must possess a valid passport of home country with a minimum of 12 months remaining to expiration date, if not currently a resident of Japan
  • Applicants in-country must hold their own visa sponsorship or residency.
  • Applicants must be eligible for employment within the country of Japan.
  • Company will assist applicant in obtaining access to customer work site if required.
  • Applicant may be required to apply and be accepted for a DBIDS enrollment and identification issuance SOFA dependents will be required to hold Contractor Identification IAW Installation Access Control policies.
  • Position does not typically require the applicant to drive in the performance of work duties. If applicant is eligible to operate a Company provided vehicle the applicant must be legally authorized to operate a vehicle safely in the Country of Japan

Transportation is not provided to locally hired personnel for the purpose of commute to and from the workplace.

About Amentum

Amentum

Amentum is one of the largest government services and engineering companies supporting the U.S. military, intelligence community, and federal agencies. Headquartered in Virginia with more than 50,000 employees worldwide, Amentum delivers mission-critical support across defense, cybersecurity, engineering, logistics, intelligence, aviation, nuclear, and space operations. The company plays a major role in helping government agencies solve complex national security and infrastructure challenges.

For job seekers, Amentum offers a wide variety of career opportunities across engineering, cybersecurity, intelligence, logistics, IT, aviation maintenance, program management, and cleared government support roles. The company is especially attractive to veterans, transitioning military personnel, and security-cleared professionals looking to continue supporting national security missions while building long-term career stability. Amentum also has a strong reputation for career mobility, education support, and mission-focused work across hundreds of federal programs.

Unlike many companies focused on a single niche, Amentum supports a broad range of high-impact missions—from military readiness and intelligence operations to NASA programs, cyber modernization, and critical infrastructure support. Employees often work on programs that directly support the Department of Defense, intelligence agencies, and federal civilian missions, creating opportunities to build diverse experience while contributing to meaningful national security outcomes.

As government investment continues to grow in cyber, space, engineering, and mission modernization, Amentum remains one of the strongest employers in the government contracting sector. For professionals seeking a stable, mission-driven career with opportunities for advancement, technical growth, and meaningful impact, Amentum continues to stand out as a top employer in defense and federal services.

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