Design Physicist - Active Security Clearance Required

Design Physicist - Active Security Clearance Required

Join to apply for the Design Physicist - Active Security Clearance Required role at Lawrence Livermore National Laboratory

Design Physicist - Active Security Clearance Required

3 days ago Be among the first 25 applicants

Join to apply for the Design Physicist - Active Security Clearance Required role at Lawrence Livermore National Laboratory

Company Description

Join us and make YOUR mark on the World!

Are you interested in joining some of the brightest talent in the world to strengthen the United States’ security? Come join Lawrence Livermore National Laboratory (LLNL) where our employees apply their expertise to create solutions for BIG ideas that make our world a better place.

Company Description

Join us and make YOUR mark on the World!

Are you interested in joining some of the brightest talent in the world to strengthen the United States’ security? Come join Lawrence Livermore National Laboratory (LLNL) where our employees apply their expertise to create solutions for BIG ideas that make our world a better place.

We are dedicated to fostering a culture that values individuals, talents, partnerships, ideas, experiences, and different perspectives, recognizing their importance to the continued success of the Laboratory’s mission.

Pay Range

$140,700 - $214,032 Annually

$140,700 - $178,392 Annually for the SES.2 level

$168,780 - $214,032 Annually for the SES.3 level

This is the lowest to highest salary we in good faith believe we would pay for this role at the time of this posting; pay will not be below any applicable local minimum wage. An employee’s position within the salary range will be based on several factors including, but not limited to, specific competencies, relevant education, qualifications, certifications, experience, skills, seniority, geographic location, performance, and business or organizational needs.

Job Description

We are seeking exceptional Physical Scientists and Engineers with backgrounds in fields such as plasma physics, radiation transport, atomic physics, nuclear physics, physical chemistry, condensed matter physics, computational physics, or hydrodynamics. Our national-security mission encompasses aspects of computational, theoretical, and experimental physics associated with the complex processes of nuclear explosives. Under limited direction, you will be responsible for advancing our understanding and developing methodologies for important national-security challenges. These positions are in the Design Physics Division within the Strategic Deterrence Directorate.

These positions may offer a hybrid schedule, which includes the flexibility to work from home one or more days per week, after a probationary period. The specifics of the hybrid schedule, including the exact number of days required in the office and virtual work options may vary based on the needs of the team and the organization.

These positions will be filled at either level based on knowledge and related experience as assessed by the hiring team. Additional job responsibilities (outlined below) will be assigned if hired at the higher level.

In this role, you will

• Assess the complex physics interactions that take place in nuclear explosion.
• Design and provide analysis of experiments exploring the physics of nuclear explosives.
• Simulate weapons phenomena and perform weapons assessment and certification tasks using physical models in computer codes.
• Define and implement stockpile stewardship for specific weapons systems.
• Present and disseminate research results at scientific conferences and in peer-reviewed publications, in both open and classified environments, internal and external to LLNL. Responsibilities may also include interacting with external stakeholders, both at DOE / NNSA and across the broader interagency, as well as via offsite assignments.
• Develop expertise in interrelated fields of physics important to weapons assessment and certification.
• Travel minimally or substantially based on needs of projects.
• Perform other duties as assigned.

Additional Job Responsibilities At The SES.3 Level

Qualifications

Additional Qualifications At The SES.3 Level

Please include a personalized cover letter with your application, highlighting your qualifications and why you're interested in this position.

Additional Information

All your information will be kept confidential according to EEO guidelines.

Position Information

This is a Career Indefinite position, open to Lab employees and external candidates.

Why Lawrence Livermore National Laboratory?

Security Clearance

This position requires an active Department of Energy (DOE) Q-level clearance or active Top Secret clearance issued by another U.S. government agency at time of hire.

Pre-Employment Drug Test

External applicant(s) selected for this position must pass a post-offer, pre-employment drug test. This includes testing for use of marijuana as Federal Law applies to us as a Federal Contractor.

Wireless and Medical Devices

Per the Department of Energy (DOE), Lawrence Livermore National Laboratory must meet certain restrictions with the use and / or possession of mobile devices in Limited Areas. Depending on your job duties, you may be required to work in a Limited Area where you are not permitted to have a personal and / or laboratory mobile device in your possession. This includes, but not limited to cell phones, tablets, fitness devices, wireless headphones, and other Bluetooth / wireless enabled devices.

If you use a medical device, which pairs with a mobile device, you must still follow the rules concerning the mobile device in individual sections within Limited Areas. Sensitive Compartmented Information Facilities require separate approval. Hearing aids without wireless capabilities or wireless that has been disabled are allowed in Limited Areas, Secure Space and Transit / Buffer Space within buildings.

How To Identify Fake Job Advertisements

Please be aware of recruitment scams where people or entities are misusing the name of Lawrence Livermore National Laboratory (LLNL) to post fake job advertisements. LLNL never extends an offer without a personal interview and will never charge a fee for joining our company. All current job openings are displayed on the Career Page under “Find Your Job” of our website. If you have encountered a job posting or have been approached with a job offer that you suspect may be fraudulent, we strongly recommend you do not respond.

To learn more about recruitment scams : Employment Opportunity

We are an equal opportunity employer that is committed to providing all with a work environment free of discrimination and harassment. All qualified applicants will receive consideration for employment without regard to race, color, religion, marital status, national origin, ancestry, sex, sexual orientation, gender identity, disability, medical condition, pregnancy, protected veteran status, age, citizenship, or any other characteristic protected by applicable laws.

Reasonable Accommodation

Our goal is to create an accessible and inclusive experience for all candidates applying and interviewing at the Laboratory. If you need a reasonable accommodation during the application or the recruiting process, please use our online form to submit a request.

California Privacy Notice

The California Consumer Privacy Act (CCPA) grants privacy rights to all California residents. The law also entitles job applicants, employees, and non-employee workers to be notified of what personal information LLNL collects and for what purpose. The Employee Privacy Notice can be accessed here.

Seniority level

Seniority level

Associate

Employment type

Employment type

Full-time

Job function

Job function

Science

Industries

Research

Referrals increase your chances of interviewing at Lawrence Livermore National Laboratory by 2x

Get notified about new Physicist jobs in Livermore, CA .

Fremont, CA $110,000.00-$140,000.00 1 month ago

Fremont, CA $110,000.00-$140,000.00 1 month ago

Science : Physics School Year Eligibility Pool)

Physics and Engineering Research Associate

Atomic, Molecular, and Optical Physicist

Pleasanton, CA $115,000.00-$155, hours ago

Milpitas, CA $130,400.00-$221,700.00 1 week ago

Postdoc - Conductive Oxide Device Physics

San Jose, CA $134,800.00-$179,700.00 2 weeks ago

Optical Scientist - Display Optics System - Pico

San Jose, CA $126,000.00-$306,000.00 6 days ago

2025 Fall - Physicist / Scientist Co-Op (PhD)

Livermore, CA $175,000.00-$190,000.00 1 week ago

Hewlett Packard Labs Silicon Photonics Research Scientist (Early Career)

Milpitas, CA $101,900.00-$234,500.00 2 months ago

Livermore, CA $124,200.00-$188,880.00 2 weeks ago

John S. Foster, Jr. Postdoctoral Fellowship and the Harold Brown Postdoctoral Fellowship

Laboratory Astrophysics : experimental, theoretical, modeling, and / or database research

Computational Physicist III (Plasma Modeling / AI), College Grad-Doctorate - Santa Clara, CA

Livermore, CA $124,200.00-$188,880.00 1 week ago

Design Physics Division - Postdoctoral Researcher

San Francisco Bay Area $240,000.00-$300,000.00 2 weeks ago

San Jose, CA $98,144.00-$216,646.00 1 month ago

Design Physicist - Active Security Clearance Required

Livermore, CA $140,700.00-$214,032.00 2 days ago

John S. Foster, Jr. Postdoctoral Fellowship and the Harold Brown Postdoctoral Fellowship

Design Physics Division - Postdoctoral Researcher

Space Science : Theoretical and Experimental Studies of Planetary Atmospheres

We’re unlocking community knowledge in a new way. Experts add insights directly into each article, started with the help of AI.

#J-18808-Ljbffr