Demo

Business Assistant III

Mission Support and Test Services, LLC
Las Vegas, NV Full Time
POSTED ON 9/28/2025
AVAILABLE BEFORE 10/27/2025
Job Description

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.

Responsiblities

The Nuclear Testing Archive is in search of a Business Assistant III to conduct support duties at the Desert Research Institute.

Key Responsibilities

  • Perform various complex administrative, clerical, and or operations support duties and responsibilities associated with the Nuclear Testing Archives.
  • Scan documents at the Nuclear Testing Archive in Las Vegas, Nevada.
  • Index documents into the Nuclear Testing Archive database.
  • Assist with Freedom of Information Act (FOIA) and Privacy Act requests
  • Interface with outside agencies including planning, operations support as requested.
  • Compose routine correspondence in response to requests for department services; answers inquiries from other departments, area offices, or outside entities.
  • Review deliverables of assigned staff and monitors quality to ensure that all documents conform to established standards and procedures.
  • Assist in cross-training other personnel in project/organizational unit techniques, and procedures.
  • Perform other duties assigned by Management.

Qualifications

Due to the nature of our work, US Citizenship is required for all positions.

  • High School diploma or equivalent, and at least 3 years of related experience.
  • Able to use personal computer, printers, copiers, telephones, fax machines, calculators, and other general office equipment.
  • Working knowledge of Excel and Word software.
  • 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.
  • Customer service experience.
  • The primary work location will be at the Desert Research Institute (DRI) facility in Las Vegas, Nevada.
  • The work schedule is Monday - Thursday (4/10s) (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.

Ability to obtain a HSPD-12 Personal Identity Verification credential under the Department of Energy Order 206.2, ' Identity, Credential, and Access Management ,' and Supplemental Directive NNSA SD 206.2, ' Implementation of Personal Identity Verification for Uncleared Contractors .'

MSTS is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, national origin, disability, veteran status or other characteristics protected by law. MSTS is a background screening, drug-free workplace.

The hourly range for this position is: $24.22 - $36.33.

Starting salary is determined based on the position market value, the individual candidate education and experience and internal equity.

Salary : $24 - $36

If your compensation planning software is too rigid to deploy winning incentive strategies, it’s time to find an adaptable solution. Compensation Planning
Enhance your organization's compensation strategy with salary data sets that HR and team managers can use to pay your staff right. Surveys & Data Sets

What is the career path for a Business Assistant III?

Sign up to receive alerts about other jobs on the Business Assistant III career path by checking the boxes next to the positions that interest you.
Income Estimation: 
$107,623 - $139,321
Income Estimation: 
$133,494 - $170,282
Income Estimation: 
$131,105 - $151,214
Income Estimation: 
$128,269 - $173,633
Income Estimation: 
$157,111 - $225,157
Income Estimation: 
$59,158 - $74,794
Income Estimation: 
$72,615 - $89,381
Income Estimation: 
$40,950 - $50,639
Income Estimation: 
$59,158 - $74,794
Income Estimation: 
$42,423 - $53,300
Income Estimation: 
$49,359 - $62,131
Income Estimation: 
$40,950 - $50,639

Sign up to receive alerts about other jobs with skills like those required for the Business Assistant III.

Click the checkbox next to the jobs that you are interested in.

  • Heavy Equipment Operation Skill

    • Income Estimation: $63,211 - $86,677
    • Income Estimation: $66,645 - $93,368
  • Machine Operation Skill

    • Income Estimation: $54,738 - $70,072
    • Income Estimation: $52,767 - $69,377
View Core, Job Family, and Industry Job Skills and Competency Data for more than 15,000 Job Titles Skills Library

Job openings at Mission Support and Test Services, LLC

Mission Support and Test Services, LLC
Hired Organization Address North Las Vegas, NV Full Time
Mission Support and Test Services, LLC (MSTS) manages and operates the Nevada National Security Site (NNSS) for the U.S....
Mission Support and Test Services, LLC
Hired Organization Address Norfolk, VA Full Time
Responsibilities We are seeking a Technical Lead to guide a team of 10 in the design, implementation, and optimization o...
Mission Support and Test Services, LLC
Hired Organization Address North Las Vegas, NV Full Time
Job Description Mission Support and Test Services, LLC (MSTS) manages and operates the Nevada National Security Site (NN...
Mission Support and Test Services, LLC
Hired Organization Address Mercury, NV Full Time
Mission Support and Test Services, LLC (MSTS) manages and operates the Nevada National Security Site (NNSS) for the U.S....

Not the job you're looking for? Here are some other Business Assistant III jobs in the Las Vegas, NV area that may be a better fit.

Business Assistant III

Nevada National Security Sites, Las Vegas, NV

Assistant Sales Manager - Part Time

G-III LEATHER FASHIONS, Las Vegas, NV

AI Assistant is available now!

Feel free to start your new journey!