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Business Assistant III - Supply Chain

Nevada National Security Sites
United Statesfull_timeVerifiedPosted 5 Mar 2026
💰 $74,000/yr($50,000/yr$74,000/yr)

About the role

Mission Support and Test Services, LLC (MSTS) manages and operates the Nevada National Security Site (NNSS) for the U.S. National Nuclear Security Administration (NNSA).  Our MISSION is to help ensure the security of the United States and its allies by providing high-hazard experimentation and incident response capabilities through operations, engineering, education, field, and integration services and by acting as environmental stewards to the Site’s Cold War legacy.  Our VISION is to be the user site of choice for large-scale, high-hazard, national security experimentation, with premier facilities and capabilities below ground, on the ground, and in the air. (See NNSS.gov for our unique capabilities.) Our 2,750+ professional, craft, and support employees are called upon to innovate, collaborate, and deliver on some of the more difficult nuclear security challenges facing the world today.   

  • MSTS offers our full-time employees highly competitive salaries and benefits packages including medical, dental, and vision; both a pension and a 401k; paid time off and 96 hours of paid holidays; relocation (if located more than 75 miles from work location); tuition assistance and reimbursement; and more.  
  • MSTS is a limited liability company consisting of Honeywell International Inc. (Honeywell), Jacobs Engineering Group Inc. (Jacobs), and HII Nuclear Inc.

The Business Assistant III – Supply Chain serves as the primary logistical and procurement point of contact for the Protective Force (ProForce). This role is responsible for managing the complete supply chain lifecycle, from submitting purchase orders for tactical equipment, uniforms, and office supplies to ensuring compliance with all procurement guidelines. This position maintains an accurate inventory of all ProForce equipment and clothing through regular counts and asset tracking, issuing items to personnel, and processing returns or excess equipment. Key duties include coordinating with vendors, managing stock levels to prevent shortages, and delivering supplies to various security stations and facilities.

 

Key Responsibilities

  • Perform various complex administrative, clerical, and/or operations support duties and responsibilities.  
  • Manage the procurement process for all Protective Force (ProForce) supplies, including tactical equipment, clothing, office supplies, etc.
  • Submit purchase orders, ensure compliance with procurement guidelines and policies, and coordinate with vendors and buyers. Order and deliver supplies across various security stations and facilities.
  • Maintain an accurate inventory of ProForce equipment and clothing through monthly counts and management of sensitive items in asset tracking systems.
  • Provide critical logistical support for ProForce operations and facilities. Prepare, issue and track equipment and resources for training events and projects.
  • Submit and keep track of Facility Maintenance work requests.
  • Coordinates equipment repairs (e.g., radios) and act as the alternate MESA Shipping Requester to move equipment on and off site.
  • Implement records management program. Maintain files of various historical data.
  • Submit Ergonomic Assessment requests for approved furniture.

     

 

  • High School diploma or equivalent, and at least 3 years of related experience.
  • Knowledge of supply chain, procurement, and inventory management principles and practices.
  • Able to use personal computer, printers, copiers, telephones, fax machines, calculators, and other general office equipment.
  • Able to follow oral and written instruction and follow through on all assignments.
  • Able to apply knowledge of a broad range of specialized functions and assist in coordinating activities with those of other work groups.
  • Able to demonstrate creativity in how work is performed and in addressing work processes.
  • Able to plan/organize work to complete in the most efficient manner and meet required deadlines.
  • Able to deal with pressure of handling multiple tasks, complaints, frequent interruptions, and time constraints.
  • Knowledge of basic math, grammar, spelling, and punctuation.
  • Able to engage in bending, stooping, reaching, and physical exertion. Work is performed in an office, warehouse setting, and frequent travel between security stations.
  • The primary work location will be at the Nevada National Security Site (located 65 miles northwest of Las Vegas, Nevada).
  • Work schedule will be 4/10s Monday through Thursday (subject to change).
  • Pre-placement physical examination, which includes a drug screen, is required. MSTS maintains a substance abuse policy that includes random drug testing.
  • Must possess a valid driver’s license.

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Company

Nevada National Security Sites

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