Mission Support and Test Services, LLC

Senior Principal Scientist

Posted Date 4 weeks ago(2/21/2018 9:33 AM)
Job ID
# of Openings
Location : City
Los Alamos
Location : State/Province (Full Name)
New Mexico


If you’re looking for an interesting, fulfilling career, you’ve come to the right place!


At Mission Support and Test Services, LLC (MSTS), we’re a dynamic team of employees who manage and operate the Nevada National Security Site (NNSS), formerly known as the Nevada Test Site. A premier outdoor, indoor and underground national laboratory for unique, high-level experiments, the NNSS has offices across the country, including Southern Nevada; Santa Barbara and Livermore, California; Washington, D.C.; and Albuquerque and Los Alamos, New Mexico. We’re dedicated to working together as a team to keep our nation safe. Join us!


MSTS is a limited liability company consisting of Honeywell International Inc. (Honeywell), Jacobs Engineering Group Inc. (Jacobs), and Stoller Newport News Nuclear, Inc. (SN3).



  • Bachelor's degree in Physics or in a calculus-based Science, Technology, Engineering & Mathematics (STEM) field, plus 14 years’ relevant experience. 
  • PhD. preferred. 
  • Experience in theory and operation of linear induction accelerators.
  • Experience using charged particle beam transport modeling and simulation software is desirable.
  • Self-motivated and able to complete assigned tasks with minimal supervision.
  • Ability to work in a team environment engaging a broad range of professional scientists, engineers, and technicians is required. 
  • Strong time-management skills, be well organized, maintain safe work habits and have a broad range of technical interests and education.
  • Must demonstrate effective interpersonal skills to communicate with coworkers, customers, and management/supervisor along with the ability to follow oral and written instructions and established procedures. Excellent oral and written communication skills are required.
  • Ability to read and understand work orders, technical manuals, software documentation, procedures, diagrams and illustrations, blueprints, schematics and other technical information is desirable.
  • Must possess a driver’s license.

Department of Energy Q Clearance (position will be cleared to this level) and Human Reliability Program (reference 10 CFR Part 712, “Human Reliability Program”) certification. Reviews and tests for the absence of any illegal drug as defined in 10 CFR Part 707.4, “Workplace Substance Abuse Programs at DOE Sites,” will be conducted. Applicant selected will be subject to a Federal background investigation, and subsequent reinvestigations, and must meet the eligibility requirements for access to classified matter. Successful completion of a counterintelligence evaluation, which may include a counterintelligence-scope polygraph examination, will be required. Reference 10 CFR Part 709, “Counterintelligence Evaluation Program.”


Eligibility Requirements - To obtain a clearance, an individual must be a U.S. citizen at least 18 years of age. Reference DOE Order 472.2, "Personnel Security."


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


  • Work closely with world-renowned experts in the field of linear induction accelerators (LIA) to design, fabricate, commission, and ultimately operate a new world class hydro-test facility at the Nevada National Security Site (NNSS).
  • Initially this role will serve as a mentee to provide technical LIA experts while designing and fabricating the accelerator system.  Future possibilities for this role include taking a lead role in commissioning and bringing to operation the hydro-test facility at the NNSS. 
  • Responsible for helping prepare Mission Support and Test Services, LLC (MSTS) for its long-term responsibilities in maintaining this new machine. 
  • Work with a team of experts in optimizing radiographic performance of the system and will conduct long-term research to continuously improve system performance and maintain applicability to future U.S. nuclear stockpile and global security needs