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Nnss Jobs (NOW HIRING)

Prin Nuc Fac Ops Spec

NV ยท On-site

$86K - $103K/yr

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 ...

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$124.7K

$169K

How much do nnss jobs pay per year?

As of Jun 16, 2026, the average yearly pay for nnss in the United States is $124,724.00, according to ZipRecruiter salary data. Most workers in this role earn between $107,500.00 and $140,000.00 per year, depending on experience, location, and employer.

What is the difference between Nnss vs Emergency Medical Technician (EMT)?

AspectNnssEmergency Medical Technician (EMT)
Required CredentialsCertification or license specific to Nnss roles, often including specialized trainingState-certified EMT license, CPR certification, and basic life support training
Work EnvironmentHealthcare facilities, clinics, or specialized medical settingsAmbulances, emergency scenes, hospitals
Industry UsageHealthcare, medical servicesPre-hospital emergency care, ambulance services
Common Search/ComparisonNnss vs EMTEmergency Medical Technician (EMT)

While Nnss and EMT roles both involve healthcare and emergency response, Nnss typically refers to specialized healthcare support roles within medical facilities, whereas EMTs focus on providing pre-hospital emergency care. Both require certification, but EMTs are specifically trained for emergency situations outside of healthcare facilities.

What are common challenges faced by professionals working at the Nevada National Security Site (NNSS), and how are they addressed?

Professionals at the NNSS often work in highly regulated environments where safety, security, and confidentiality are paramount. Common challenges include adhering to strict safety protocols, managing sensitive information, and working on complex, multidisciplinary projects with diverse teams. These challenges are addressed through comprehensive training, strong teamwork, and ongoing professional development. Employees also have access to robust support systems and clear communication channels to ensure compliance and collaboration.

What is an NNSS job?

An NNSS job typically refers to a position at the Nevada National Security Site (NNSS), a U.S. Department of Energy facility focused on nuclear security, defense research, and environmental management. Jobs at NNSS span various fields, including engineering, security, emergency response, and scientific research. Employees contribute to national security initiatives, nuclear stockpile stewardship, and other critical missions. Many positions require security clearances and specialized expertise in fields like radiation safety, explosives testing, or cybersecurity.

What are the key skills and qualifications needed to thrive as an NNSS (National Nuclear Security Site) professional, and why are they important?

To thrive as an NNSS professional, you need a strong background in nuclear science, engineering, or a related technical field, often supported by a relevant degree and security clearance. Familiarity with radiation detection equipment, data analysis software, and compliance with DOE safety protocols is essential. Strong problem-solving abilities, attention to detail, and effective teamwork are vital soft skills. These competencies ensure safe, secure, and compliant operations in a highly regulated and sensitive environment.

What are NNSS?

NNSS stands for Nevada National Security Site, a U.S. government facility located in Nevada that is primarily used for nuclear testing, research, and development. The site supports national security programs, including nuclear stockpile stewardship, emergency response training, and environmental management. Employees at NNSS may work in areas such as engineering, science, security, and environmental monitoring. The facility is managed by the U.S. Department of Energy's National Nuclear Security Administration (NNSA) and plays a key role in ensuring the safety and reliability of the nation's nuclear arsenal.
More about Nnss jobs
What cities are hiring for Nnss jobs? Cities with the most Nnss job openings:
What states have the most Nnss jobs? States with the most job openings for Nnss jobs include:
Infographic showing various Nnss job openings in the United States as of June 2026, with employment types broken down into 98% Full Time, 1% Part Time, and 1% Contract. Highlights an 93% Physical, 3% Hybrid, and 4% Remote job distribution, with an average salary of $124,724 per year, or $60 per hour.

Full-time

Medical, Dental, Vision, Retirement, PTO

Posted 20 days ago


Job description

Job Description
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.
  • MSTS offers our full-time employees highly competitive salaries and benefits packages including medical, dental, and vision; both a pension and a 401k; paid time off and 96 hours of paid holidays; relocation (if located more than 75 miles from work location); tuition assistance and reimbursement; and more.
  • MSTS is a limited liability company consisting of Honeywell International Inc. (Honeywell), Jacobs Engineering Group Inc. (Jacobs), and HII Nuclear Inc.

Responsibilities
The Special Technologies Laboratory (STL) is a diverse, multi-mission laboratory delivering timely, innovative, high-impact national security solutions. STL is a key player and leader that provides the Nevada National Security Sites (NNSS), National Nuclear Security Administration (NNSA), and inter-agencies with capabilities that address national security requirements.
STL is seeking outstanding candidates for a Data Scientist position to work at STL located in Santa Barbara, CA. This position will support STL's core portfolios in Dynamic Experiments, Nonproliferation Research and Development, Cyber Physical Defense, and Strategic Systems and Intelligence by applying advanced data science techniques to complex problems.
In this role, you will apply data science principles to support engineering and scientific efforts, focusing on developing and deploying models for analysis, prediction, and optimization. You will work with diverse datasets to extract insights, develop predictive models, and contribute to decision-making processes. Collaboration with a team of engineers, scientists, and technicians covering all phases of technology development, from concept to deployment, will be essential.
Key Responsibilities
Develop new and unique data-driven solutions to highly complex technical problems of broad scope. Solutions may require resolving conflicting customer expectations and design requirements, utilizing unconventional data sources, and cross-portfolio integration.
  • Develop and implement reinforcement learning models for various applications.
  • Conduct data analysis, develop statistical models, and build machine learning algorithms.
  • Design and evaluate experiments to validate model performance and impact.
  • Provide data-driven insights and recommendations to support strategic initiatives.

Qualifications
  • Bachelor's in calculus-based technical (STEM) field plus at least 5 years relevant experience. Skill building experience must demonstrate either deeper technical specialization or additional cross-disciplinary knowledge. Graduate research experience may be recognized.
  • Bachelor's degree in a quantitative field preferred, such as Computer Science, Statistics, Mathematics, Computer Engineering.
  • Demonstrated experience in developing and implementing reinforcement learning models.
  • Proficiency in programming languages commonly used in data science (e.g., Python, R).
  • Familiarity with machine learning frameworks and libraries (e.g., TensorFlow, PyTorch).
  • Strong interest in chemical process optimization.
  • Should be self-motivated and able to complete assigned tasks with minimal supervision.
  • Excellent oral and written communication skills, including the ability to write reports and technical documents.
  • The primary work location will be at the Special Technologies Laboratory (STL) located in Santa Barbara, CA.
  • Work schedule for this position will be negotiated with the supervisor; employees can work 5-8, 9-80, or 4-10 work-weeks.
  • 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.

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: $101,524.80 - $152,297.60.
Starting salary is determined based on the position market value, the individual candidate education and experience and internal equity.