Mission Support and Test Services, LLC

  • Senior Principal Scientist

    Posted Date 2 months ago(2 months ago)
    Job ID
    # of Openings
    Location : City
    North Las Vegas
    Location : State/Province (Full Name)
    USD $123,988.80/Yr.
    USD $192,192.00/Yr.
  • Qualifications

    • Bachelor’s degree in nuclear science or in a calculus-based Science, Technology, Engineering or Mathematics (STEM) field, plus at least 14 years’ relevant experience and progressively responsible experience in a recognized science or engineering specialty.
    • At least 10 years of Department of Energy (DOE) complex experience preferred.
    • Master's degree in nuclear science plus at least three years' relevant experience, or a Ph.D. in a recognized science or engineering specialty preferred.
    • Knowledge of nuclear weapons technologies and design, nuclear weapons testing, science and engineering in support of experimental activities, nuclear weapons modeling and simulation, and the integration of experimental data into code validation is desired, with a specific focused expertise on working with photon and neutron diagnostic data from underground nuclear tests.
    • Additional expertise in uncertainty quantification or multi-source data analysis is also preferred, with a demonstrated research record, as evidenced by publications, presentations, and extramural funding.
    • Significant experience with personnel and project management is also desired.
    • Must have excellent oral/written communications skills.
    • Must possess planning/organizing skills and initiative, and be capable of employing independent judgment and knowledge to ensure that requirements are completed efficiently and on time. 
    • Must be able to effectively deal with pressures of deadlines and multiple tasks. 
    • Demonstrated leadership qualities with emphasis on continuous improvement and team building.
    • 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.

    Department of Energy Q Clearance (position will be cleared to this level). 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, may also 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.


    The Senior Principal Scientist will serve as the lead scientist for the North Las Vegas Nuclear Event Analysis (NEA) team within the Diagnostic Research and Materials Studies group, providing visionary leadership and acting as the primary interface between NNSS scientists and National Security Laboratory partners.

    • Developing physics-based models, algorithms, and software for the analysis of legacy Underground Test (UGT) data.
    • Coordinating with the National Security Laboratories (NSL) to determine their UGT analysis needs and priorities.
    • Acting as the scientific lead for the NEA team in North Las Vegas.
    • Mentoring junior scientists, including defining project scope for team members.
    • Working with the NEA project manager to prioritize and define deliverables to the NSL’s and the National Nuclear Security Administration.
    • Candidate must have an ability to critically evaluate experimental data to identify sources of error and must have experience with statistical signal and image processing, inverse problems, modeling and simulation, uncertainty quantification, and photon and neutron diagnostics from UGT’s that are used for hydrodynamics code validation.
    • Coordination with project team members will also be required to define the scope of work for various assignments and integration into other projects.
    • Participate in the Site-Directed Research and Development program, writing proposals, building diverse research teams, assisting junior scientists and engineers with proposal development, mentoring junior principal investigators, and reviewing proposals.
    • Will develop inter-laboratory and university collaborations, overseeing and mentoring student and post-doctoral researchers.
    • Work assignments will also require work at the Nevada National Security Site, Los Alamos, NM and Livermore, CA.


    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).