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. In this environment, the best ideas need to be voiced and every opinion matters. As such, MSTS places great value on Diversity, Equity, and Inclusion and is committed to a diverse and equitable workforce, with an inclusive culture that values and celebrates the diversity of our people, talents, ideas, and perspectives.
NNSS COVID-19 attestation requirements: https://www.nnss.gov/pages/nfo/WorkingForMSTS.html
THIS IS A CASUAL POSITION WORKING A MAXIMUM OF 900 HOURS PER CALENDAR YEAR.
STEM Interns will work under the direct supervision of a manager and mentor and will be provided with hands-on participation in ongoing projects at one of the most unique experimental sites in the United States, or one of our outlying location sites.
Internships are available at the following locations:
We are looking for qualified and motivated Graduate students that are pursuing a degree in:
Duties and Responsibilities (may include and will vary depending on which department you are assigned to):
Please note these important dates for our 2025 Summer Internship Program:
Due to the nature of our work, US Citizenship is required for all positions.
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/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.
Graduate MSIPP-NNSTC Interns are paid by their University, not MSTS.