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SUPPLY SPECIALIST SR.
This Supply Specialist Sr. position located at Stone Bay, Camp Lejeune, NC. In support of Marine Forces Special Operations Command (MARFORSOC).
As a Supply Specialist Sr (Admin Associate Sr.) the incumbent will perform the full spectrum of Supply Administrative function duties and responsibilities to include, but not limited to, requisitioning, reconciliation, Due and Status File (DASF), Mechanized Allowance List (MAL), Consolidated Memorandum Receipt (CMR), Fiscal, inventory, accountability, and other related specialty areas. The incumbent will serve as a senior Supply Administration Subject Matter Expert (SME), advisor, supervise daily task, manage the production of other contractors on task, mentor, and a potential command inspection team member and as such must possess a high degree of proficiency in all supply functional areas, and in-depth knowledge and understanding of DoD and Marine Corps organizational structure, policies, guidelines, and procedures.
The contractor will as requested provide training, coaching, etc., to the supported customer.
The Contractor shall maintain and prepare necessary accounting and supply documents, custody records, perform reconciliations using AIS such as: GCSS-MC; Defense Agencies System (DAI), G-Invoicing, Wide Area Workflow (WAWF), and SSAVIE.
Minimum Education/Experience Requirements: High School or GED equivalent and 12 twelve years of relevant, progressive experience or equivalent combination of education and experience.
Must possess current experience and expert level proficiency in the use of GCSS-MC and common MS Office Suite tools (Word, Excel, PowerPoint, Outlook, etc.). Knowledge of/proficiency in SharePoint preferred but not required.
Experience on USMC component level staff or as part of FSMAO/SMAT inspection teams is preferred but not required.
Must possess an active Secret Security Clearance.
Essential Functions
Work will be performed inside a large facility. Work assignments vary based on client requirements. Position could require some night and weekend work. Some travel may be required based on client requirements.
Physical Requirements
Work may involve sitting or standing for extended periods of time. Phone use and PC or laptop. Filing required. May require lifting and carrying boxes of supplies or files up to 50 lbs. Must have sufficient mobility, included but not limited to: bending, reaching, turning and kneeling to complete daily duties in a timely and efficient manner.
Equipment and Machines
General office equipment, which includes: telephone, fax machine, copier, PC/laptop, and other work related tools as required. Must be proficient in the use of common Microsoft Office suite products (Word, Excel, PowerPoint, etc.).
Attendance
Work assignments dependent on requirements by the client. It is important to be able to work at least 8 hours a day for 5 days per week (Monday through Friday). Must exhibit flexibility of work hours to adjust to surge situations based on critical mission requirements.
Other Essential Functions
Candidate must exhibit a professional behavior that promotes teamwork, fosters cooperation, and enhances productivity in the workplace. Must be well organized with the ability to coordinate, prioritize and execute multiple tasks simultaneously in a high-pressure environment. Ability to communicate verbally and in writing to work effectively with a variety of government, military and contractor personnel at all levels. Must be able to interface effectively with individuals at all levels of the organization. Grooming and dress usually business casual, but dependent on client's standards. Must not pose a safety hazard to employees working in the same general area.
The position for which you are applying for requires a US government security clearance. This is to advise you, that should you be extended an offer, if you possess a dual citizenship (i.e., citizen of the US and another country), in order to be granted a clearance you will be required to relinquish your citizenship in the foreign country.
Compensation Details:
$48k
The compensation range or hourly rate listed for this position is provided as a good-faith estimate of what the company intends to offer for this role at the time this posting was issued. Actual compensation may vary based on factors such as job responsibilities, education, experience, skills, internal equity, market data, applicable collective bargaining agreements, and relevant laws.
Benefits Overview:
Our health and welfare benefits are designed to support you and your priorities. Offerings include:

• Health, dental, and vision insurance
• Paid time off and holidays
• Retirement benefits (including 401(k) matching)
• Educational reimbursement
• Parental leave
• Employee stock purchase plan
• Tax-saving options
• Disability and life insurance
• Pet insurance

Note: Benefits may vary based on employment type, location, and applicable agreements. Positions governed by a Collective Bargaining Agreement (CBA), the McNamara-O'Hara Service Contract Act (SCA), or other employment contracts may include different provisions/benefits.
Original Posting:
08/24/2026 - Until Filled
Amentum anticipates this job requisition will remain open for at least three days, with a closing date no earlier than three days after the original posting. This timeline may change based on business needs.
Amentum is proud to be an Equal Opportunity Employer. Our hiring practices provide equal opportunity for employment without regard to race, sex, sexual orientation, pregnancy (including pregnancy, childbirth, breastfeeding, or medical conditions related to pregnancy, childbirth, or breastfeeding), age, ancestry, United States military or veteran status, color, religion, creed, marital or domestic partner status, medical condition, genetic information, national origin, citizenship status, low-income status, or mental or physical disability so long as the essential functions of the job can be performed with or without reasonable accommodation, or any other protected category under federal, state, or local law. Learn more about your rights under Federal laws and supplemental language at Labor Laws Posters.