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Nuclear Security Jobs in California (NOW HIRING)

$103K - $123K/yr

Job Title: Nuclear Engineer (Naval Reactors Engineer) Category / Component: Officer • Active ... Eligibility for a security clearance when required for your rating or designator * Additional ...

Nuclear Engineer

Manila, CA

$102K - $122K/yr

Job Title: Nuclear Engineer (Naval Reactors Engineer) Category / Component: Officer • Active ... Eligibility for a security clearance when required for your rating or designator * Additional ...

Nuclear Engineer

Midway City, CA

$105K - $126K/yr

Job Title: Nuclear Engineer (Naval Reactors Engineer) Category / Component: Officer • Active ... Eligibility for a security clearance when required for your rating or designator * Additional ...

Nuclear Engineer

Kernville, CA

$93K - $112K/yr

Job Title: Nuclear Engineer (Naval Reactors Engineer) Category / Component: Officer • Active ... Eligibility for a security clearance when required for your rating or designator * Additional ...

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Nuclear Security information

See California salary details

$17

$25

$36

How much do nuclear security jobs pay per hour?

As of Aug 25, 2026, the average hourly pay for nuclear security in California is $25.49, according to ZipRecruiter salary data. Most workers in this role earn between $18.75 and $36.06 per hour, depending on experience, location, and employer.

What is nuclear security?

Nuclear security refers to the measures taken to prevent, detect, and respond to theft, sabotage, unauthorized access, or illegal transfer of nuclear materials and facilities. These measures are essential to protect people and the environment from the dangers associated with nuclear materials, including potential use in weapons or radiological attacks. Nuclear security involves physical protection systems, cyber security, regulatory controls, and international cooperation to ensure nuclear materials remain secure at all times.

What are the key skills and qualifications needed to thrive in nuclear security?

To thrive in Nuclear Security, you need a solid background in security operations, risk assessment, and regulatory compliance, often supported by a relevant degree and security clearance. Familiarity with surveillance systems, access control technologies, and incident response protocols is typically required, as well as certifications such as CPP (Certified Protection Professional). Strong attention to detail, critical thinking, and effective communication are essential soft skills for identifying risks and coordinating with multidisciplinary teams. These skills and qualities are vital to ensure the safe, secure management of nuclear facilities and protect against potential threats.

What are some of the typical challenges faced by professionals working in nuclear security roles?

Professionals in nuclear security often encounter challenges such as maintaining high vigilance during long or repetitive monitoring shifts, staying updated on evolving security threats and protocols, and ensuring strict compliance with regulatory standards. They must also be able to respond quickly and effectively to potential breaches or emergencies, often collaborating closely with law enforcement and emergency response teams. Continuous training and clear communication within multidisciplinary teams are vital for maintaining a secure environment at nuclear facilities.

What is the difference between Nuclear Security vs Nuclear Security Guard?

AspectNuclear SecurityNuclear Security Guard
CertificationsSecurity clearances, nuclear security trainingBasic security training, site-specific certifications
Work EnvironmentGovernment facilities, nuclear plants, security agenciesNuclear facilities, security posts, restricted areas
Employer & IndustryGovernment agencies, nuclear industryPrivate security firms, nuclear sites

Nuclear Security involves developing policies, managing security programs, and overseeing nuclear safety at high-level facilities. In contrast, a Nuclear Security Guard primarily performs physical security duties, patrols, and access control at nuclear sites. Both roles require security training, but Nuclear Security professionals focus on strategic security management, while guards focus on on-the-ground security operations.

How much do nuclear security officers make?

Nuclear security officers typically earn a median annual salary of around $50,000 to $70,000, depending on experience, location, and employer. They often require specialized training and security clearances, and may work in shifts to ensure 24/7 security at nuclear facilities.

How to become a nuclear security guard?

To become a nuclear security guard, candidates typically need a high school diploma or equivalent, pass background checks and drug screenings, and complete specialized training in security procedures and emergency response. Some positions may require security clearances or certifications such as the Nuclear Security Officer Certification. Physical fitness and good judgment are also important for this role.

What cities in California are hiring for Nuclear Security jobs?

Cities in California with the most Nuclear Security job openings:

Infographic showing various Nuclear Security job openings in California as of August 2026, with employment types broken down into 85% Full Time, and 15% Part Time. Highlights an 100% In-person job distribution, with an average salary of $53,010 per year, or $25.5 per hour.

Principal Technologist

Santa Barbara, CA • On-site

Nevada National Security Sites
Public Administration • 51 - 200 employees

Other

Re-posted 20 days ago


Job description

Principal Technologist

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. 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 seeking a highly capable Principal Technologist to support the assembly, fabrication and deployment of advanced prototype systems in a fast-paced R&D environment. This role blends hands-on technical work with problem-solving across mechanical and electrical domains. You will work closely with scientists and engineers to build, modify and test one-of-a-kind systems, often under evolving requirements. Success in this role requires adaptability, craftmanship and curiosity.

Located in Santa Barbara, California, the Special Technologies Laboratory is a key 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 diverse team of experts composed of scientists, engineers, technicians, facilities specialists, academic collaborators, and professional support staff.

Key Responsibilities

  • Assemble, integrate, and modify prototype systems spanning mechanical, electrical and sensor components in support of R&D efforts.
  • Fabricate custom parts and fixtures in a machine shop environment, including machining, drilling, tapping and finishing operations.
  • Plans and conducts work, often in the fabrication of components, that requires judgment in the evaluation, selection, application, adaptation, and modification of standard techniques, guidelines, procedures, and criteria.
  • Support field deployment and data collection activities, including setup, operation and troubleshooting of sensing systems in operational environments
  • Create and ensure effective resolutions and improvements across mechanical and electrical systems, adapting quickly to changing requirements and contributing to iterative design improvements.
  • Devises new approaches to maintenance, operations, or testing of mechanical or electronic systems.
  • Performs work that involves conventional practices including conventional machine shop techniques, and is able to utilizes novel and emerging techniques, such as mechanical part printing, to meet specialized fabrication needs.

Qualifications

  • Associate degree in field related to the position plus at least 9 years' progressive related experience or High School diploma plus 11 years' progressive related experience.
  • 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: $83,491.20 - $125,236.80.

Starting salary is determined based on the position market value, the individual candidate education and experience and internal equity.