Design Physicist - Active Security Clearance Required

LLNL$146K — $222K *
Aerospace & Defense
Less than 5 years of experience
Job Overview by Ladders

Qualifications

  • Active DOE Q-level clearance or active Top-Secret clearance required at time of hire.
  • PhD in physics, engineering, or a related field, or equivalent demonstrated knowledge.
  • Proven track record in completing outstanding research in relevant physics and engineering areas.
  • Experience in computer-based design and experimentation analysis.
  • Ability to master new physics fields and apply complex physical processes creatively.
  • Hands-on experience with advanced computational facilities for applied physics research.
  • Strong verbal and written communication skills for technical documentation and presentations.
  • Capability to work effectively both independently and in multidisciplinary teams.

Responsibilities

  • Assess complex physics interactions in nuclear explosions.
  • Design and analyze experiments related to nuclear explosives.
  • Simulate weapon phenomena and perform assessments 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.
  • Develop expertise in interrelated physics fields critical to weapons assessment.
  • Manage travel requirements based on project needs.

Benefits

  • Hybrid work schedule offering flexibility to work from home after probation.
  • Opportunity for collaborative research in national security initiatives.
  • Engagement with external stakeholders across the DOE/NNSA and interagency teams.
  • Professional development through attending scientific conferences and publishing in peer-reviewed journals.
Full Job Description
Job Description

We are seeking an exceptional Physical Scientist and Engineer with a background 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. This position is in the Design Physics Division within the Strategic Deterrence Directorate.

This position 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.

This position 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.

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
  • Independently develop, assess and provide in depth analysis of the complex physics interactions that take place in nuclear explosion where problems may not be well defined.
  • Work as technical expert on multidisciplinary team.
  • Guide the analysis and lead the design of experiments exploring the physics of nuclear explosives.


Qualifications
  • 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 the time of hire.
  • PhD in physics, engineering, or a related field or equivalent level of demonstrated knowledge.
  • Record of completing outstanding research in relevant areas of physics and engineering.
  • Experience with computer-based design and analysis of experiments.
  • Aptitude for mastering new fields of physics; a record of creativity, physical insight, and breadth of understanding in applications of complex physical processes.
  • Experience in using advanced computational facilities for applied physics analysis and conducting applied physics research.
  • Proficient verbal and written communication and presentation skills necessary to author technical and scientific reports, publications, invited papers, and to deliver scientific presentations.
  • Experience working effectively independently and in a multidisciplinary, team-research environment.
  • Self-motivation and initiative in addressing challenging problems.

Additional qualifications at the SES.3 Level
  • Advanced knowledge of physics, engineering, or a related field.
  • Significant experience and ability to lead independent work conducting applied physics research.
  • Record of leading top quality research in relevant areas of physics and engineering

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

Pay Range

$146,340 - $222,564 Annually

$146,340 - $185,544 Annually for the SES.2 level
$175,530 - $222,564 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.

Additional Information

#LI-Hybrid

Position Information

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

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