Company · 148 open roles

Careers at Mission Support & Test Services, LLC (MSTS)

Mission Support & Test Services, LLC (MSTS) has 148 active roles on ResuMinder right now. Score your CV instantly and use the ResuMinder extension to apply in seconds — no manual form-filling.

Active roles
148

Refreshed continuously

Median salary
$84,817–$128,785

Across active listings

Top of band reaches $229,091 for senior tracks.
Hottest cities
Mercury, NV, United States58North Las Vegas, NV, United States46Andrews Afb, MD, United States7North Las Vegas, Nevada, United States7Santa Barbara, CA, United States7Mercury, Nevada, United States5Las Vegas, NV, United States5Las Vegas, Nevada, United States3

All open roles

148 positions at Mission Support & Test Services, LLC (MSTS)

Security Engineering Manager I

Mission Support & Test Services, LLC (MSTS)·North Las Vegas, Nevada, United States

OnsiteFull Time156d ago

Security Engineering Manager I at Mission Support & Test Services, LLC (MSTS). Location: North Las Vegas, Nevada, United States. Role: leading team, managing vulnerabilities, ensuring compliance Requirements: Bachelor's (or equivalent) plus 11+ years related experience; strong ne…

Senior Nuclear Facility Operations Specialist

Mission Support & Test Services, LLC (MSTS)·North Las Vegas, NV, United States

OnsiteFull-time137d ago

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 experi…

Senior Records Coordinator (Senior Admin Specialist)

Mission Support & Test Services, LLC (MSTS)·Mercury, NV, United States

OnsiteFull-time137d ago

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 experi…

Principal Technologist

Mission Support & Test Services, LLC (MSTS)·Santa Barbara, CA, United States

OnsiteFull-time159d ago

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 experi…

Senior Scientist - Beamline Scientist

Mission Support & Test Services, LLC (MSTS)·Livermore or Menlo Park

OnsiteFull Time125d ago

Senior Scientist - Beamline Scientist at Mission Support & Test Services, LLC (MSTS). Location: Livermore or Menlo Park. Role: maintaining readiness, training users, configuring beamline Requirements: Bachelor’s in calculus-based STEM + 5+ years relevant experience; experience wi…

Senior Scientist - Beamline Scientist

Mission Support & Test Services, LLC (MSTS)·Livermore, CA, United States

OnsiteFull-time165d ago

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 experi…

Sr Mission Communication Spec (Data)

Mission Support & Test Services, LLC (MSTS)·Las Vegas, NV, United States

OnsiteFull-time165d ago

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 experi…

Administrative Specialist II

Mission Support & Test Services, LLC (MSTS)·Mercury, NV, United States

OnsiteFull-time137d ago

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 experi…

Engineer I - Casual

Mission Support & Test Services, LLC (MSTS)·Santa Barbara, CA, United States

OnsiteFull-time171d ago

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 experi…

Principal CMPC Safeguards & Security Specialist

Mission Support & Test Services, LLC (MSTS)·North Las Vegas, NV, United States

OnsiteFull-time137d ago

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 experi…

Senior Mechanical Engineer

Mission Support & Test Services, LLC (MSTS)·Mercury, NV, United States

OnsiteFull-time137d ago

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 experi…

Electrical Engineer (Engineer II)

Mission Support & Test Services, LLC (MSTS)·Mercury, NV, United States

OnsiteFull-time137d ago

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 experi…

Senior Engineer Instrument & Control

Mission Support & Test Services, LLC (MSTS)·North Las Vegas, NV, United States

OnsiteFull-time137d ago

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 experi…

Senior Electrical Engineer

Mission Support & Test Services, LLC (MSTS)·Mercury, NV, United States

OnsiteFull-time137d ago

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 experi…

Principal Structural Engineer

Mission Support & Test Services, LLC (MSTS)·North Las Vegas, NV, United States

OnsiteFull-time137d ago

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 experi…

Principal Engineer Architect

Mission Support & Test Services, LLC (MSTS)·North Las Vegas, NV, United States

OnsiteFull-time137d ago

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 experi…

Senior Fire Protection Engineer

Mission Support & Test Services, LLC (MSTS)·North Las Vegas, NV, United States

OnsiteFull-time137d ago

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 experi…

Senior Scientist

Mission Support & Test Services, LLC (MSTS)·Mercury, NV, United States

OnsiteFull-time137d ago

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 experi…

Supervisor II - Lead Nuclear Facility Operations Specialist

Mission Support & Test Services, LLC (MSTS)·Mercury, NV, United States

OnsiteFull-time188d ago

The Device Assembly Facility (DAF) has an opening for a Supervisor II (Lead Nuclear Facility Operations Specialist). The position reports to the DAF Nuclear Operations Manager. The Lead Nuclear Facility Operations Specialist will support operations at the NNSS Device Assembly Fac…

Cygnus Supervisor II

Mission Support & Test Services, LLC (MSTS)·Mercury, NV, United States

OnsiteFull-time137d ago

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 experi…

Design Drafting Supervisor II

Mission Support & Test Services, LLC (MSTS)·North Las Vegas, NV, United States

OnsiteFull-time137d ago

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 experi…

Principal Scientist

Mission Support & Test Services, LLC (MSTS)·Andrews Afb, MD, United States

OnsiteFull-time193d ago

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 experi…

Senior Scientist

Mission Support & Test Services, LLC (MSTS)·Las Vegas, NV, United States

OnsiteFull-time193d ago

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 experi…

Principal Scientist

Mission Support & Test Services, LLC (MSTS)·Las Vegas, NV, United States

OnsiteFull-time193d ago

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 experi…