
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.
The Special Technologies Laboratory (STL) is a key R&D innovator that provides the Nevada National Security Sites (NNSS), National Nuclear Security Administration (NNSA), and other government organizations with capabilities that address Department of Energy and Department of Defense national security requirements. Located in Santa Barbara, California, the laboratory is a unique satellite location within the NNSS and is responsive to NNSA nuclear security mission requirements and broader national security objectives. At STL “problem solving is in the DNA,” using a multidisciplinary team of experts composed of scientists, engineers, technicians, facilities specialists, academic collaborators, and professional support staff.
As a manager and leader, you will be responsible for a professional workforce to deliver on our current commitments and innovate to tackle future national security threats. The NNSS is committed to an empowered workforce and encourages innovation through our people, talents, ideas, experiences, and perspectives. This is essential to enable the innovation and creativity we need to ensure the success of the NNSS and continued delivery on our missions.
This role offers a unique blend of leadership and hands-on scientific contribution. Approximately 20% of your time will be dedicated to management responsibilities, including team mentorship, project coordination, and strategic planning. The remaining 80% will involve direct technical work on customer-facing projects, applying your scientific expertise to solve complex challenges and deliver innovative solutions, to include research and development activities in areas compatible with the missions of the Laboratory. Some acceptable technical areas include: remote sensing, optical and mass spectrometry, chemistry and chemical physics (analytical systems, lasers and optics, inorganic materials synthesis, radiochemistry), quantum sensing.
Key Responsibilities
MSTS is required by DOE directive to conduct a pre-employment drug test and background review that includes checks of personal references, credit, law enforcement records, and employment/education verifications. Applicants offered employment with MSTS are also subject to a federal background investigation to meet the requirements for access to classified information or matter if the duties of the position require a DOE security clearance. Substance abuse or illegal drug use, falsification of information, criminal activity, serious misconduct or other indicators of untrustworthiness can cause a clearance to be denied or terminated by DOE, resulting in the inability to perform the duties assigned and subsequent termination of employment. In addition, Applicants for employment must be able to obtain and maintain a DOE Q-level security clearance, which requires U.S. citizenship, at least 18 years of age. Reference DOE Order 472.2, “Personnel Security”. If you hold more than one citizenship (i.e., of the U.S. and another country), your ability to obtain a security clearance may be impacted.
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, required to participate in 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.”
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.
Annual salary range for this position is: $151,881.60 to $243,006.40.
Starting salary is determined based on the position market value, the individual candidate education and experience and internal equity.

The Nevada National Security Sites help ensure the security of the United States and its allies by: supporting the stewardship of the nation’s nuclear deterrent; providing nuclear and radiological emergency response capabilities and training; contributing to key nonproliferation and arms control initiatives; executing national-level experiments in support of the National Laboratories; working with national security customers and other federal agencies on important national security activities; and providing long-term environmental stewardship of the NNSS’s Cold War legacy.